Square One Resources

Job Title: Verification & Validation Engineer - RF Satellites Location: United Kingdom - Hertfordshire on site Salary: Up to £60,000 per annum Start Date: 03 November 2025 Job Type: Permanent Overview: We are currently seeking a highly skilled Verification & Validation Engineer with extensive experience in RF systems to join a dynamic team focused on satellite communications technology. This role will involve validating complex RF payload systems, ensuring their performance, functionality, and reliability across a range of hardware platforms, including ASICs, DSPs, and FPGAs. Key Responsibilities/Objectives: Perform functional validation and RF testing for satellite payload systems on hardware testbenches. Design, develop, and execute test procedures to validate firmware and flight software. Troubleshoot and resolve integration issues between software and hardware, ensuring seamless performance. Collaborate with engineering teams to define test specifications and document results clearly. Ensure compliance with safety-critical software standards and contribute to process improvements in testing and validation. Required Skills & Experience: Proven expertise in RF testing and firmware validation across hardware platforms such as ASICs, DSPs, and FPGAs. Strong experience in software-hardware integration and debugging. Ability to develop comprehensive test specifications and validation plans. Familiarity with safety-critical software standards (eg, MISRA, DO-178C). Experience using configuration management tools such as Git, Jira, and DOORS. Proficient in working within Linux environments and navigating the software development life cycle. Knowledge of CCSDS standards and tools like Eclipse or Java would be advantageous. What We Offer: The opportunity to work on cutting-edge technology in the field of satellite communications. A collaborative and innovative work environment with ample room for professional growth. Competitive salary and benefits, with long-term career progression opportunities. If you are interested in this opportunity, please apply now with your updated CV in Microsoft Word/PDF format. Disclaimer: Notwithstanding any guidelines given to level of experience sought, we will consider candidates from outside this range if they can demonstrate the necessary competencies. Square One is acting as both an employment agency and an employment business, and is an equal opportunities recruitment business. Square One embraces diversity and will treat everyone equally. Please see our website for our full diversity statement.

Job Title: Civil Lead x2 Civil helper x2 Location: Scotland - Glasgow, Kilmarnock,Livingston, Hamilton, Edinburgh Salary/Rate : 38-40k Start Date : 03/11/25 Job Type: Perm Company Introduction: We are currently seeking to recruit experienced Civil operatives in the UK. Under the direction of the Manager & Site supervisors, applicants will be required to perform excavations, repairs and reinstatement, installation of duct, street cabinets, pulling of draw rope on telecoms infrastructure located within the public highway, streets and up to customers premises using up to date client standard operating procedures and in full compliance to current legislation, health and safety requirements and company policies. Job Responsibilities/Objectives: Perform general civils and maintenance tasks, including trench excavation, duct laying and repair, and back-filling. Operate machinery and tools such as generators, jack hammers, compactors, cable detectors, petrol saws, drills, shovels, pickaxes, trowels, and hammers. Maintain a tidy site and care for tools and equipment. Assist the site team with various tasks and ensure safe working practices. Ensure quality workmanship and compliance with health and safety policies. Work outdoors in all weather conditions. Use approved equipment and protect utilities before digging. Submit accurate paperwork promptly. Pavement reinstatement, slabbing and tarmacking Wear PPE: high visibility clothing, hard hats, safety glasses, boots, and gloves. Manage spoil on site and complete risk assessments. Have understanding on civil and telecoms ground work is necessary Experience with Openreach network and fibre network work is essential Laying fibre cable from cabinet through the track work Range of practical tasks including excavating/digging trenches, placing and compacting bedding material, laying and jointing/repairing ducts Required Skills/Experience: The ideal candidate will have the following: SA006 (Mandatory) NRSWA O1 TO O8 (Mandatory) Q019 (Mandatory) Q020 (Mandatory) SA004 (Mandatory) SA004 (Abrasive wheel) Mandatory K008 (Good to have) Driving Licence Benefits & Perks: The company offers standard corporate benefits, including: Progression to supervisor Extra training Overtime Digs as and when Van fuel card all tools provided If you are interested in this opportunity, please apply now with your updated CV in Microsoft Word/PDF format. Disclaimer: Notwithstanding any guidelines given to level of experience sought, we will consider candidates from outside this range if they can demonstrate the necessary competencies. Square One is acting as both an employment agency and an employment business, and is an equal opportunities recruitment business. Square One embraces diversity and will treat everyone equally. Please see our website for our full diversity statement.

Job Title: Civil Lead, Civil Helper Location: Leeds and Manchester Salary/Rate: 32-40k Start Date : 03/11/2025 Job Type: Perm Company Introduction: We are currently seeking to recruit experienced Civil operatives in the UK. Under the direction of the Manager & Site supervisors, applicants will be required to perform excavations, repairs and reinstatement, installation of duct, street cabinets, pulling of draw rope on telecoms infrastructure located within the public highway, streets and up to customers premises using up to date client standard operating procedures and in full compliance to current legislation, health and safety requirements and company policies. Job Responsibilities/Objectives: Perform general civils and maintenance tasks, including trench excavation, duct laying and repair, and back-filling. Operate machinery and tools such as generators, jack hammers, compactors, cable detectors, petrol saws, drills, shovels, pickaxes, trowels, and hammers. Maintain a tidy site and care for tools and equipment. Assist the site team with various tasks and ensure safe working practices. Ensure quality workmanship and compliance with health and safety policies. Work outdoors in all weather conditions. Use approved equipment and protect utilities before digging. Submit accurate paperwork promptly. Pavement reinstatement, slabbing and tarmacking Wear PPE: high visibility clothing, hard hats, safety glasses, boots, and gloves. Manage spoil on site and complete risk assessments. Have understanding on civil and telecoms ground work is necessary Experience with Openreach network and fibre network work is essential Laying fibre cable from cabinet through the track work Range of practical tasks including excavating/digging trenches, placing and compacting bedding material, laying and jointing/repairing ducts Required Skills/Experience: The ideal candidate will have the following: SA006 (Mandatory) NRSWA O1 TO O8 (Mandatory) Q019 (Mandatory) Q020 (Mandatory) SA004 (Mandatory) SA004 (Abrasive wheel) Mandatory Benefits & Perks: The company offers standard corporate benefits, including: Progression to supervisor Extra training Overtime Digs as and when Van fuel card all tools provided If you are interested in this opportunity, please apply now with your updated CV in Microsoft Word/PDF format. Disclaimer: Notwithstanding any guidelines given to level of experience sought, we will consider candidates from outside this range if they can demonstrate the necessary competencies. Square One is acting as both an employment agency and an employment business, and is an equal opportunities recruitment business. Square One embraces diversity and will treat everyone equally. Please see our website for our full diversity statement.

Job Title: Charles River Technical Consultant Location: UK/Remote Salary/Rate: Up to £715 per day inside IR35 Start Date: 03/11/2025 Job Type: Contract Company Introduction We have an exciting opportunity now available with one of our sector-leading financial services clients! They are currently looking for a skilled Charles River Consultant to join their team for a six-month contract. Job Responsibilities/Objectives Requires application knowledge as well as technical expertise in running, troubleshooting, and configuring all Charles River components on premise. Experience in supporting one of the later versions (at least 21Rx) required As application manager cover change and run activities for Charles River on premise instance; discuss requirements and support cases with business; support ongoing release migration to release 23R3 Experience in supporting one of the later versions (at least 21Rx) on premise Detailed Technical knowledge on Charles River components (client, middle tier, database) Ability to work and test precisely Highly engaged and proactive way of working Language skills: fluent in English or German If you are interested in this opportunity, please apply now with your updated CV in Microsoft Word/PDF format. Disclaimer Notwithstanding any guidelines given to level of experience sought, we will consider candidates from outside this range if they can demonstrate the necessary competencies. Square One is acting as both an employment agency and an employment business, and is an equal opportunities recruitment business. Square One embraces diversity and will treat everyone equally. Please see our website for our full diversity statement.

Job Title: Civil lead Location: West Sussex (Crawley, burgess Hill, Haywards Heath, Horsham) Salary/Rate: 40k Start Date: 03/11/2025 Job Type: Perm Company Introduction: We are currently seeking to recruit experienced Civil operatives in the UK. Under the direction of the Manager & Site supervisors, applicants will be required to perform excavations, repairs and reinstatement, installation of duct, street cabinets, pulling of draw rope on telecoms infrastructure located within the public highway, streets and up to customers premises using up to date client standard operating procedures and in full compliance to current legislation, health and safety requirements and company policies. Job Responsibilities/Objectives: Perform general civils and maintenance tasks, including trench excavation, duct laying and repair, and back-filling. Operate machinery and tools such as generators, jack hammers, compactors, cable detectors, petrol saws, drills, shovels, pickaxes, trowels, and hammers. Maintain a tidy site and care for tools and equipment. Assist the site team with various tasks and ensure safe working practices. Ensure quality workmanship and compliance with health and safety policies. Work outdoors in all weather conditions. Use approved equipment and protect utilities before digging. Submit accurate paperwork promptly. Pavement reinstatement, slabbing and tarmacking Wear PPE: high visibility clothing, hard hats, safety glasses, boots, and gloves. Manage spoil on site and complete risk assessments. Have understanding on civil and telecoms ground work is necessary Experience with Openreach network and fibre network work is essential Laying fibre cable from cabinet through the track work Range of practical tasks including excavating/digging trenches, placing and compacting bedding material, laying and jointing/repairing ducts Required Skills/Experience: The ideal candidate will have the following: Track record in telecoms and civil works SA006 (Mandatory) NRSWA O1 TO O8 (Mandatory) Q019 (Mandatory) Q020 (Mandatory) SA004 (Mandatory) Benefits & Perks: The company offers standard corporate benefits, including: Training Overtime Company van and fuel card Growth opportunities If you are interested in this opportunity, please apply now with your updated CV in Microsoft Word/PDF format. Disclaimer: Notwithstanding any guidelines given to level of experience sought, we will consider candidates from outside this range if they can demonstrate the necessary competencies. Square One is acting as both an employment agency and an employment business, and is an equal opportunities recruitment business. Square One embraces diversity and will treat everyone equally. Please see our website for our full diversity statement.

Job Title: Verification & Validation Engineer/RF Satellites Location: United Kingdom Salary/Rate: Up to £60k per annum Start Date: 03/11/2025 Job Type: Permanent Job Responsibilities/Objectives To succeed in this role, you should bring deep expertise in RF testing and functional validation of satellite payloads on hardware testbenches. A strong grasp of software-hardware integration and debugging is essential, along with hands-on experience validating firmware features across ASIC, DSP, and FPGA platforms. You'll be comfortable working in Linux environments, familiar with safety-critical software standards, and confident navigating configuration management tools and the software development life cycle. Required Skills/Experience The ideal candidate will have the following: To succeed in this role, you should bring deep expertise in RF testing and functional validation of satellite payloads on hardware testbenches. A strong grasp of software-hardware integration and debugging is essential, along with hands-on experience validating firmware features across ASIC, DSP, and FPGA platforms. You'll be comfortable working in Linux environments, familiar with safety-critical software standards, and confident navigating configuration management tools and the software development life cycle. Proven experience in RF testing and firmware validation on hardware boards (ASIC, DSP, FPGA) Strong understanding of software-hardware integration, issue debugging, and test specification development Familiarity with safety-critical software standards (eg MISRA, DO178-C) and tools like Git, Jira, DOORS Working knowledge of CCSDS standards, with Eclipse and Java experience considered a plus If you are interested in this opportunity, please apply now with your updated CV in Microsoft Word/PDF format. Disclaimer Notwithstanding any guidelines given to level of experience sought, we will consider candidates from outside this range if they can demonstrate the necessary competencies. Square One is acting as both an employment agency and an employment business, and is an equal opportunities recruitment business. Square One embraces diversity and will treat everyone equally. Please see our website for our full diversity statement.

Job Title: Lead PAM Security Solution Architect Location: Sheffield (on-site 3 days per week) Salary/Rate: 537 per day inside IR35 Start Date: 09/10/2025 Job Type: Contract until end of the year with potential extension Company Introduction: We have an exciting opportunity now available with one of our sector-leading consultancy clients! They are currently looking for a skilled Lead PAM Security Solution Architect that can complement an existing team of Solution Architects to progress with designs of different components of the PAM solution and other supporting systems it will need to integrate with as part of the end-to-end journey. Project Overview: Our client is working on a strategic Identity and Access Management programme and is re-shaping the way Authentication, Federation, Privileged Access Management, Access Governance, Secrets Management and API Security is done across the bank. One of the pillars of that programme is Privileged Access Management (PAM). Our client is working on uplifting controls and capabilities in privileged access for the Group and introducing the strategic password vaulting solution that will enable to meet strategic requirements. Security Solution Architects manage end-to-end solution design and are responsible for delivering architecture design documents in line with functional and non-functional business requirements, strategies, principles, standards, and patterns. Alongside the creation of high-level designs, Security Solution Architects will be required to record key decisions, design deviations, and technical risks and issues where appropriate. Security Solution Architects should be comfortable presenting and sharing solutions at design authorities and senior leadership & stakeholders. Job Responsibilities/Objectives: You will be responsible for leading the end-to-end design and delivery of secure, scalable architecture solutions within the Privileged Access Management (PAM) programme, ensuring alignment with business requirements, security principles, and architectural standards while providing technical thought leadership, managing design teams across onshore and offshore locations, and driving governance, risk management, and stakeholder engagement throughout the project lifecycle. Architecture & Design: ? Produce, manage, and update end-to-end solution designs in line with reference architecture & business requirements (including High and Low Level Designs. ? Articulate and publish key design decision records and options to ensure all solutions follow a logical, transparent decision-making process. ? Articulate, publish, and ensure approval of any design deviations resulting in technical debt. ? Ensure any technical risks or issues arising from a solution design are recorded and mitigated. ? Produces, manages and translates the requirements into the architecture for that solution, ensuring technology and services meet the customer needs and expected business outcomes. ? Ensures the design of the solutions are efficient, timely and cost effective throughout the project lifecycle. ? Clear understanding of both the motivations of the business and technical security. ? Promote strong documentation and clerkship. Governance: ? Ensures all high-level designs, architecture patterns, decision records, deviation requests, and technical risks or issue records undergo architectural and project governance processes. ? Ensure all architecture artefacts undergo appropriate peer review prior to design authority presentation. ? Present publications at technical design authorities for input, feedback, and approval. Risk and Dependency Management: ? Effectively manages and escalates both technical and project risks or issues. ? Articulates solutions and remediation steps to technical risks & issues. ? Ability to map design decisions to resultant technical risks & issues to articulate the cause and rationale which leads to any negatively impacting change. Leadership & Teamwork: ? Provides technical thought leadership to the Design Team and the Project. ? Ability to manage a project team of technical architects, engineers, and/or analysts. ? Ability to take a deputised role in programme management-related tasks where necessary." Required Skills/Experience The ideal candidate will have the following: Cybersecurity Expertise: ? Significant experience and proven technical depth within one of the following domains of cybersecurity; security operations & incident response, threat & vulnerability management, identity & access management, cryptography, infrastructure, network, application, data, cloud. ? Broad background across information technology with the ability to communicate clearly with non-security technical SMEs at a comfortable level. ? Experience in both operational and transformation cybersecurity roles or a clear working understanding of both perspectives. ? Experience working in large-scale IT transformation programmes. ? Experience working with PAM solutions such as CyberArk, Centrify, Delinea and OneIdentity. ? Preparing end-to-end configuration of the strategic PAM capability - including on-prem deployments as well as Cloud native toolings. ? Assisting in preparation of demonstrable journeys on the configured PAM tooling Platform & Technology: ? BizzDesign, Archi, or generic UML visualisation experience for high-level designs. ? High proficiency and expertise in Jira for project & tasks management. ? Working proficiency in Confluence for documentation. Desirable Skills/Experience Although not essential, the following skills are desired by the client: Qualifications & Certifications: ? Masters or doctorate degree in cybersecurity, computer science, software engineering, or related field. ? CISSP/CISM certification or other broad cybersecurity industry-recognised certificate. ? SABSA or TOGAF certified preferred. If you are interested in this opportunity, please apply now with your updated CV in Microsoft Word/PDF format. Disclaimer: Notwithstanding any guidelines given to level of experience sought, we will consider candidates from outside this range if they can demonstrate the necessary competencies. Square One is acting as both an employment agency and an employment business, and is an equal opportunities recruitment business. Square One embraces diversity and will treat everyone equally. Please see our website for our full diversity statement.

Job Title: ForgeRock/PingID Developer Location: Bristol or Edinburgh - 3 days per week in the office Salary/Rate: Up to 523 per day inside IR35 Start Date: 06/10/2025 Job Type: Contract - 6 months Company Introduction You will play a critical role in securing digital identities and access across global financial platforms. You will manage the onboarding and verification of users using PingID for multi-factor authentication and ForgeRock for identity governance, ensuring compliance with financial regulations and internal security policies. Job Responsibilities/Objectives Facilitate onboarding of employees, contractors, and third-party users across Finance's global operations. Verify user identities in alignment with Know Your Employee (KYE) and compliance standards. Ensure secure MFA enrollment and device registration using PingID. Configure and maintain role-based access controls (RBAC) and lifecycle policies in ForgeRock. Support access reviews, certifications, and entitlement audits. Integrate ForgeRock with financial systems and internal platforms. Ensure IAM processes align with regulatory frameworks (e.g., SOX, GDPR, PSD2). Monitor authentication logs and respond to anomalies or access violations. Assist in internal and external audits related to IAM. Provide Tier 1 and Tier 2 support for PingID and ForgeRock-related issues. Troubleshoot MFA failures, access provisioning errors, and identity sync issues. Collaborate with IAM engineering and vendor support for escalations. Develop onboarding guides, compliance checklists, and training materials. Conduct training sessions for new hires and support teams. Maintain technical documentation and contribute to the IAM knowledge base. Required Skills/Experience The ideal candidate will have the following: Experience with PingID and ForgeRock in a financial or enterprise environment. Strong understanding of IAM principles, MFA, SSO, and identity federation. Familiarity with authentication protocols (SAML, OAuth2, OpenID Connect). Knowledge of financial compliance frameworks and audit practices. Excellent communication and stakeholder engagement skills. Desirable Skills/Experience Although not essential, the following skills are desired by the client: Certifications in Ping Identity and/or ForgeRock technologies. Experience with IAM integrations in financial systems and cloud platforms (e.g., Azure AD, AWS). Knowledge of scripting (e.g., PowerShell, Python) and RESTful APIs. Experience with identity lifecycle automation and governance tools. If you are interested in this opportunity, please apply now with your updated CV in Microsoft Word/PDF format. Disclaimer Notwithstanding any guidelines given to level of experience sought, we will consider candidates from outside this range if they can demonstrate the necessary competencies. Square One is acting as both an employment agency and an employment business, and is an equal opportunities recruitment business. Square One embraces diversity and will treat everyone equally. Please see our website for our full diversity statement.

Job Title: Cybersecurity Architect Location: Sheffield - 3 days per week in the office Salary/Rate: Up to 537 per day inside IR35 Start Date: 06/10/2025 Job Type: Contract Company Introduction We have an exciting opportunity now available with one of our sector-leading financial services clients! They are currently looking for a skilled Cybersecurity Architect to join their team for an initial contract until the end of the year. Job Responsibilities/Objectives You will manage end-to-end solution design and are responsible for delivering architecture design documents in line with functional and non-functional business requirements, strategies, principles, standards, and patterns. Alongside the creation of high-level designs, you will be required to publish new architecture patterns, key decisions, design deviations, and technical risks and issues where appropriate. Produce, manage, and update end-to-end solution designs in line with reference architecture & business requirements Articulate and publish key design decision records and options to ensure all solutions follow a logical, transparent decision-making process Articulate, publish, and ensure approval of any design deviations resulting in technical debt Ensure any technical risks or issues arising from a solution design are recorded and mitigated. Produces, manages and translates the requirements into the architecture for that solution, ensuring technology and services meet the customer needs and expected business outcomes Ensures the design of the solutions are efficient, timely and cost effective throughout the project lifecycle Ensures all high-level designs, architecture patterns, decision records, deviation requests, and technical risks or issue records undergo architectural and project governance processes Ensure all architecture artefacts undergo appropriate peer review prior to design authority presentation Articulates solutions and remediation steps to technical risks & issues Ability to map design decisions to resultant technical risks & issues to articulate the cause and rationale which leads to any negatively impacting change Willingness and ability to work across information technology as a cybersecurity SME Ability to take a deputised role in programme management-related tasks where necessary Required Skills/Experience The ideal candidate will have the following: Significant experience and proven technical depth within one of the following domains of cybersecurity; security operations & incident response, threat & vulnerability management, identity & access management, cryptography, infrastructure, network, application, data, cloud Broad background across information technology with the ability to communicate clearly with non-security technical SMEs at a comfortable level Excellent command of cybersecurity organisation practices, operations risk management processes, principles, architectural requirements, engineering threats and vulnerabilities, including incident response methodologies Experience and understanding of both the roles and interlock between enterprise & solution architecture Experience in both operational and transformation cybersecurity roles or a clear working understanding of both perspectives Experience working in large-scale IT transformation programmes Experience of designing solutions using SM tools such as HashiCorp Vault Experience of developing secrets management patterns and championing designs through architecture governance forums Capable of defining secrets management strategy and influencing the future direction of secrets management within the bank Enabling identity sharing and single sign-on across different organisations or domains. Securing, controlling, and monitoring access to critical systems by privileged users. Implementing secure authentication mechanisms like Kerberos, OAuth, and SAML. CISSP/CISM certification SABSA or TOGAF certified preferred If you are interested in this opportunity, please apply now with your updated CV in Microsoft Word/PDF format. Disclaimer Notwithstanding any guidelines given to level of experience sought, we will consider candidates from outside this range if they can demonstrate the necessary competencies.

Job Title: Application Services Engineer - Trading - Low Latency Location: London - 3 days per week in the office Salary/Rate: Up to 500 per day INSIDE IR35 Start Date: 18/10/2025 Job Type: Contract Job Responsibilities/Objectives You will be a member of the team that is responsible for the support and management of the of the infrastructure that supports the Bank's electronic business. Team members will work closely with core Infrastructure teams, development and the business responding to requests, fault reports, often being required to resolve issues quickly, under pressure and sometimes out of hours. In addition to business as usual activity there are a great number of infrastructure projects and tasks that must be completed. Deliver and support low latency connectivity and monitoring solutions for the Global Markets business, aligned with front-office trading and regulatory needs. Apply SRE principles to improve availability, latency, performance, and capacity planning across trading infrastructure. Collaborate with network and platform engineers to design reliable, self-healing systems and reduce manual intervention through automation. Own and execute the Global Markets connectivity roadmap, from project delivery through to operational handoff and lifecycle management. Partner with business stakeholders and platform owners to ensure infrastructure and observability tooling meets evolving trading requirements. Monitor and manage capacity and performance of global connectivity systems, working with regional teams to aggregate local intelligence. Conduct deep-dive post-incident analysis and forensic reviews during high-impact market events (e.g., non-farm payroll), using packet analysis to identify systemic improvements. Develop and maintain automated alerting, health checks, and dashboards, supporting proactive detection of issues and system degradation. Lead lab-based testing and benchmarking initiatives for new connectivity solutions, ensuring readiness for production deployment. Produce operational and performance KPIs, SLO/SLI metrics, and executive summaries to support senior decision-making. Champion continuous improvement and innovation, driving technology adoption in monitoring, resiliency, and incident response tooling. Required Skills/Experience The ideal candidate will have the following: Strong background in low latency network engineering, including TCP/IP, multicast, traffic shaping, and performance analysis. Proven experience with packet capture and analysis tools (Wireshark, tcpdump, Corvil/PICO); ability to build custom decoders is highly advantageous. Familiarity with SRE tools and practices, including infrastructure as code (IaC), CI/CD pipelines, error budgets, and reliability-focused SLIs/SLOs. Experience supporting real-time trading applications, including feed handlers, matching engines, and algo trading platforms. Strong working knowledge of messaging middleware (Solace, 29West, Tibco, LBM, or equivalent) in performance-sensitive environments. Proficient in scripting and automation using Python, Bash, or PowerShell to streamline monitoring, alerting, and recovery workflows. Knowledge of FIX, market data, and order routing protocols in a trading environment. Exposure to observability platforms such as ITRS Geneos, Prometheus, Grafana, or custom telemetry stacks. Comfortable working across Linux systems, hybrid infrastructure, and global production environments. Excellent communication and reporting skills, with ability to translate technical data into actionable business insights. If you are interested in this opportunity, please apply now with your updated CV in Microsoft Word/PDF format. Disclaimer Notwithstanding any guidelines given to level of experience sought, we will consider candidates from outside this range if they can demonstrate the necessary competencies. Square One is acting as both an employment agency and an employment business, and is an equal opportunities recruitment business. Square One embraces diversity and will treat everyone equally. Please see our website for our full diversity statement.

Job Title: Business Analyst - Asset Servicing & Management Location: London (Hybrid) Salary/Rate: (Apply online only) per day Start Date: 29/09/25 Job Type: Outside IR35 Contract Company Introduction: We have an exciting opportunity now available with one of our sector-leading consultancy clients! They are currently looking for a Business Analyst to support a critical transformation programme across a Financial Services firm as Asset Servicing and Asset Management functions , with a particular focus on mixed money market fund operations and operating model optimisation . Job Responsibilities/Objectives: You will be responsible for Analysing and map existing business processes across Asset Servicing and Asset Management. Define and design Target Operating Models (TOMs) to support business transformation objectives Document business requirements (BRDs), functional specifications, and process flows Lead workshops with SMEs, operations teams, and technology stakeholders Collaborate with technology teams on solution design and implementation Work closely with compliance and regulatory teams to ensure adherence to industry standards Conduct gap analysis between current and target states for MMFs and related products Support the development of test strategies and validate solutions during UAT Drive stakeholder engagement across global teams (operations, IT, product, finance) Required Skills/Experience: The ideal candidate will have the following: Proven Business Analyst experience in Asset Servicing and Asset Management Strong knowledge of money market funds , including mixed MMF structures Deep understanding of operational workflows across trade lifecycle, settlements, NAV, and reconciliations Experience designing and implementing Target Operating Models (TOMs) Strong understanding of regulatory and compliance frameworks (e.g., UCITS, MMFR) Experience working with fund administrators, custodians, and asset managers Proficient in business analysis tools: Visio, Confluence, JIRA, Excel Excellent communication and stakeholder management skills Desirable Skills/Experience Although not essential, the following skills are desired by the client: Previous experience working in Financial Services industry or similar global service providers Understanding of transfer agency, fund accounting, and custody operations Agile delivery experience (Scrum/Kanban methodologies) If you are interested in this opportunity, please apply now with your updated CV in Microsoft Word/PDF format. Disclaimer: Notwithstanding any guidelines given to level of experience sought, we will consider candidates from outside this range if they can demonstrate the necessary competencies. Square One is acting as both an employment agency and an employment business, and is an equal opportunities recruitment business. Square One embraces diversity and will treat everyone equally. Please see our website for our full diversity statement.

Job Title: Financial Analyst Location: London Rate: £220 Per Day Inside IR35 Start Date: 27th October Company Introduction We have an exciting opportunity now available with one of our sector-leading consultancy clients! They are currently looking for a skilled Financial Analyst to join their team for a Four-month contract Job Responsibilities/Objectives You'll play a key role in managing the full Order to Cash (O2C) process - from invoicing and collections through to cash applications - ensuring accuracy, compliance, and strong customer relationships. Manage the end-to-end Order to Cash cycle , including invoicing, collections, and cash applications. Proactively communicate with customers regarding outstanding payments, providing clear explanations and resolution options. Negotiate payment terms and instalment plans while maintaining positive relationships. Ensure accurate bookkeeping, account reconciliation, and timely allocation of payments. Required Skills/Experience The ideal candidate will have the following: Fluent in French (written and spoken). Proven experience within Accounts Receivable or Order to Cash (billing, cash allocation, collections). Strong understanding of financial principles and regulatory requirements . Killed in negotiation , conflict resolution , and customer relationship management . Proficient in ERP systems such as SAP, Oracle, Workday , or similar. If you are interested in this opportunity, please apply now with your updated CV in Microsoft Word/PDF format. Disclaimer Notwithstanding any guidelines given to level of experience sought, we will consider candidates from outside this range if they can demonstrate the necessary competencies. Square One is acting as both an employment agency and an employment business, and is an equal opportunities recruitment business. Square One embraces diversity and will treat everyone equally. Please see our website for our full diversity statement.

Job Title: Senior Digital Accessibility Specialist - Audit Specialist Location: Fully remote working in the UK Salary/Rate: £500/day £550/day inside IR35 Start Date: October 2025 Job Type: 12 - month contract Company Introduction: We are currently representing a global publishing client, who are recruiting a Senior Digital Accessibility Specialist with very strong Accessibility Auditing experience for an exciting 12-month contract. Required Skills/Experience: The ideal candidate will have the following: Strong Accessibility Auditing experience is crucial. Specific experience conducting technical accessibility audits is extremely important. Being able to identify and solve technical accessibility defects is very important, too. Being able to negotiate effectively with stakeholders and work autonomously is a must. Being able to make high-level decisions is also required. Candidates will be asked to provide an audit report that they have written, and to provide evidence on how they conducted the report. They will also be asked to show the solutions that they provided. Strong experience in authoring high quality VPATs/ACRs for enterprise web applications. Expert knowledge of how to recommend WCAG 2.2 techniques around websites and digital content. Rich experience using accessibility testing tools (WAVE, aXe, Microsoft Insights, Color Contrast Analyzer) and with screen readers (JAWS, NVDA, VoiceOver). High degree of initiative and autonomy coupled with an ability to function successfully as part of a virtual team. Generosity in sharing knowledge, skills, and positive attitude in mentoring people to learn accessibility concepts. Job Responsibilities/Objectives: Strong experience authoring VPAT/Accessibility Conformance Reports (ACRs) against W3C WCAG 2.2 AA standards. Troubleshoots user accessibility issues, guiding product teams to solutions and coaching on appropriate testing tools. Author detailed specifications for remediating websites, mobile applications, and PDFs to meet the W3C WCAG 2.2 A standards. Work with core team developers and UX to test, steer, and validate designs and code to accessibility standards. Author product accessibility statements. Desirable Skills/Experience Although not essential, the following skills are desired by the client: IAAP Web Accessibility Specialist Certification or US DHS 508 Trusted Tester Certification. Previous roles or degree(s) in fields of Digital Accessibility, User Experience, Digital Design, or Software Engineering. Expert knowledge of and mobile application accessibility testing and techniques. Wide experience with user interface design patterns including rich Internet applications, single page web applications, and AI/chatbots. If you are interested in this opportunity, please apply now with your updated CV in Microsoft Word/PDF format. Disclaimer Notwithstanding any guidelines given to level of experience sought, we will consider candidates from outside this range if they can demonstrate the necessary competencies. Square One is acting as both an employment agency and an employment business, and is an equal opportunities recruitment business. Square One embraces diversity and will treat everyone equally. Please see our website for our full diversity statement.

Job Title: Head of Finance/Financial Controller (Life & Pensions) Location: Bristol (1-2 days per week) Salary/Rate: £85k-£90k Per Annum base salary Start Date: 27th October Job Type: Full time, Permanent Company Introduction: We have an exciting opportunity now available with one of our sector-leading consultancy clients! They are currently looking for a Head Of Finance/Financial Controller within Life & Pensions to join their Fintech customer in Bristol on a permanent basis. Job Responsibilities/Objectives: You will be responsible for financial & SII reporting, finance operations, business partnering, people management and training. Quarterly reporting to our Client, in line with requirements Production of accurate statutory accounts Interact with actuarial and tax as necessary as part of this role Ensure that controls and reconciliations are appropriate, monitored and developed on an ongoing basis and consistently look to proactively review and improve. Have a detailed understanding of all processes and the dependencies/impact with the Finance team. Provide a key role in the production of the SII quarterly returns (QRTs) and annual returns (QRTs, SFCR, RSR) Oversight and day to day management of finance team, including ensuring all appropriate tasks have been dealt with Ensure team remains appropriately resourced Interaction with policy administration team as necessary Support implementation of the IFRS 17 programme from a finance perspective Act as the key business partner point of contact for the Client in support of the annual budget cycle and business plan activity and for undertaking forecasting as required. Line management of the finance ops team, ensuring tasks are appropriately allocated Play a key role in supporting the financial reporting integration with the company Build relationships with key personnel from the company to support this process Required Skills/Experience: The ideal candidate will have the following: Must be a qualified accountant in the life insurance sector IFRS 17 experience preferable Excellent interpersonal and communication skills Strong management skills. Excellent MS Office (word and excel) skills Solutions oriented and strong problem solving skills. Excellent analytical skills. High level of analytical skills and a commercial approach to resolving issues and providing advice. If you are interested in this opportunity, please apply now with your updated CV in Microsoft Word/PDF format. Disclaimer: Notwithstanding any guidelines given to level of experience sought, we will consider candidates from outside this range if they can demonstrate the necessary competencies. Square One is acting as both an employment agency and an employment business, and is an equal opportunities recruitment business. Square One embraces diversity and will treat everyone equally. Please see our website for our full diversity statement.

Job Title: AI Core Senior Software Developer Location: Cambridge - 3 days a week on-site Salary/Rate: £600-£630/day inside IR35. Start Date: October 2025 Job Type: Contract We are looking for passionate and skilled Software Developers to join our Core AI Services team. In this role, you will help design, develop, and scale AI-enabling platform services and public APIs that are secure, reliable, and cloud-native. These services will act as foundational building blocks for AI adoption across our client's portfolio and partner ecosystem. You will be part of a Scrum team to build innovative, standards-compliant, secure, and production-grade AI capabilities, with a builder mindset - rapid prototyping and continuous improvement with the agility of a start-up. Key Responsibilities: Build scalable, fault-tolerant cloud-native services on Microsoft Azure, ensuring high performance and reliability. 3 Develop secure, well-documented public APIs and SDKs for consumption by internal and external developers. 2 Collaborate with cross-functional teams to deliver end-to-end solutions across data pipelines, orchestration, and service APIs. 3 Embed robust security controls to protect sensitive data and ensure secure access to AI services. 3 Contribute to design reviews, code reviews, and architectural discussions to ensure engineering excellence. 3 Mentor junior developers, encourage continuous learning, and contribute to a culture of innovation. 3 Work with multiple teams to create AI solutions, which include AI model deployment, training, and AI tooling development. 2 AI & Cloud Expertise Experience working with Large Language Models (LLMs) and understanding of trade-offs between performance, cost, and capability. Understanding of Retrieval-Augmented Generation (RAG), agent orchestration, prompt engineering, and tool calling. Familiarity with AI standards such as Model Context Protocol (MCP) and Agent2Agent (A2A). Strong knowledge or experience in working with various ML algorithms (regression, classification, clustering, deep learning) Knowledge of AI ethics and regulations (eg, NIST AI RMF, EU AI Act), and commitment to responsible AI development. Fluent in developing code using AI Tools such as GitHub Copilot. Must be able to use prompt engineering to carry out multiple development tasks. Familiar with AI orchestration, including tools like AI Foundry and/or Semantic Kernel. Experience with tools for automated testing and evaluation of AI outputs is a plus. Experience in Python and AI frameworks/ools such as PyTorch and TensorFlow. Core Skills and Qualifications: Experience in software engineering, preferably in platform or cloud-native service development using Microsoft and .NET technologies. Hands-on experience with Microsoft Azure and associated PaaS services (eg, Azure Functions, AKS, API Management). Strong expertise in RESTful API design, versioning, testing, and life cycle management. Proficient in securing APIs, managing authentication/authorization and data privacy practices. Excellent problem-solving skills, with the ability to analyse complex technical challenges and propose scalable solutions. Experience working in Agile teams and collaborating across global R&D locations Demonstrated ability to mentor junior team members fostering a culture of continuous learning and innovation Demonstrated experience with AI frameworks, tools and Python

Job Title: Oracle Supply Chain Lead Location: Remote Start Date: October Our client, a leading enterprise, is looking for a skilled Oracle EBS Supply Chain Functional Consultant to lead critical design and implementation workstreams within Oracle SCM modules. The successful candidate will serve as the subject matter expert (SME) for key business stakeholders, guiding the design and execution of Oracle Supply Chain Management solutions. Key Responsibilities: Lead the functional design and implementation of EBS SCM modules, including Inventory, Order Management, and Product Hub. Act as the primary liaison between business stakeholders and technical teams, facilitating workshops, gathering requirements, and ensuring alignment with Oracle best practices. Translate complex business processes into Oracle Cloud solutions, ensuring optimal configuration and functionality. Support key project phases including configuration, testing (SIT/UAT), and deployment. Provide leadership and guidance to offshore teams, ensuring smooth issue resolution during go-live and post-go-live phases. Create functional documentation and support the development of training materials as needed. Essential Experience: Proven track record of successfully delivering Oracle Cloud Supply Chain implementations, ideally within large-scale, global enterprises. Strong hands-on configuration experience with at least two to three of the following Oracle SCM modules: Inventory, Order Management, Product Hub. Deep functional understanding of Supply Chain Management (SCM) business processes and industry best practices. Exceptional stakeholder engagement skills, with the ability to communicate complex concepts effectively. Comfortable working remotely, managing tasks independently, and collaborating within a distributed team environment. If you are interested in this opportunity, please apply now with your updated CV in Microsoft Word/PDF format. Disclaimer Notwithstanding any guidelines given to level of experience sought, we will consider candidates from outside this range if they can demonstrate the necessary competencies. Square One is acting as both an employment agency and an employment business, and is an equal opportunities recruitment business. Square One embraces diversity and will treat everyone equally. Please see our website for our full diversity statement.

Job Title: Senior Digital Accessibility Specialist - Audit Specialist Location: Fully remote working in the UK Salary/Rate: £500/day-£600/day Start Date: October 2025 Job Type: 12 -month contract Company Introduction: We are currently representing a global academic research company who are recruiting a Senior Digital Accessibility Specialist with very strong Accessibility Auditing experience for an exciting 12-month contract. Required Skills/Experience: The ideal candidate will have the following: Strong Accessibility Auditing experience is crucial. Specific experience conducting technical accessibility audits is extremely important. Being able to identify and solve technical accessibility defects is very important, too. Being able to negotiate effectively with stakeholders and work autonomously is a must. Being able to make high-level decisions is also required. Candidates will be asked to provide an audit report that they have written, and to provide evidence how they conducted the report. They will also be asked to show the solutions that they provided. Strong experience in authoring high quality VPATs/ACRs for enterprise web applications. Expert knowledge of how to recommend WCAG 2.2 techniques around websites and digital content. Rich experience using accessibility testing tools (WAVE, aXe, Microsoft Insights, Color Contrast Analyzer) and with screen readers (JAWS, NVDA, VoiceOver). High degree of initiative and autonomy coupled with an ability to function successfully as part of a virtual team. Generosity in sharing knowledge, skills, and positive attitude in mentoring people to learn accessibility concepts. Job Responsibilities/Objectives: Author VPAT/Accessibility Conformance Reports (ACRs) against W3C WCAG 2.2 AA standards. Troubleshoots user accessibility issues, guiding product teams to solutions and coaching on appropriate testing tools. Author detailed specifications for remediating websites, mobile applications, and PDFs to meet the W3C WCAG 2.2 A standards. Work with core team developers and UX to test, steer, and validate designs and code to accessibility standards. Author product accessibility statements. Desirable Skills/Experience Although not essential, the following skills are desired by the client: IAAP Web Accessibility Specialist Certification or US DHS 508 Trusted Tester Certification. Previous roles or degree(s) in fields of Digital Accessibility, User Experience, Digital Design, or Software Engineering. Expert knowledge of and mobile application accessibility testing and techniques. Wide experience with user interface design patterns including rich Internet applications, single page web applications, and AI/chatbots. If you are interested in this opportunity, please apply now with your updated CV in Microsoft Word/PDF format. Disclaimer Notwithstanding any guidelines given to level of experience sought, we will consider candidates from outside this range if they can demonstrate the necessary competencies. Square One is acting as both an employment agency and an employment business, and is an equal opportunities recruitment business. Square One embraces diversity and will treat everyone equally. Please see our website for our full diversity statement.

Job Title: Python/Golang Engineer with AWS Location: Sheffield/Birmingham/Edinburgh - 3 days per week Salary/Rate: Up to £540 per day inside IR35 Start Date: 20/10/2025 Job Type: Contract Company Introduction We have an exciting opportunity now available with one of our sector-leading financial services clients! They are currently looking for a skilled Python and Golang Engineer to join their team for an initial contract until the end of the year. Job Responsibilities/Objectives Design, develop and maintain highly available, secure, and performant Back End REST API services along with Front End client usingPython,Golang, Docker and Cloud-Native services. Implement and manage database schema changes usingLiquibase, ensuring alignment with compliance and audit standards. Collaborate closely with Architecture and DevOps teams to enhance, maintain Product capabilities/features. Perform root cause analysis and implement solutions for incidents and performance bottlenecks. Required Skills/Experience The ideal candidate will have the following: Strong development experience with a strong focus on large-scale, distributed systems. Proficient in Python, Golang and PostgreSQL. Experience withLiquibaseor similar tools for database change management and version control. Hands-on experience with AWS, including cloud-native services, storage, IAM, and KMS. Familiarity withDevOps practices, including Infrastructure as Code (eg, Terraform), CI/CD tools (eg, Jenkins, GitLab CI) and containerization. Strong understanding of security principles in cloud and enterprise systems. Familiarity with audit and compliance considerations in regulated industries, particularly finance or banking. Excellent written and spoken communication skills; an ability to communicate with impact, ensuring complex information is articulated in a meaningful way to wide and varied audiences. A successful track record of delivering complex projects and/or programmes, using appropriate techniques and tools to ensure and measure success. If you are interested in this opportunity, please apply now with your updated CV in Microsoft Word/PDF format. Disclaimer Notwithstanding any guidelines given to level of experience sought, we will consider candidates from outside this range if they can demonstrate the necessary competencies. Square One is acting as both an employment agency and an employment business, and is an equal opportunities recruitment business. Square One embraces diversity and will treat everyone equally. Please see our website for our full diversity statement.

Position: Server Engineer - Contract Role Location: Staffordshire - Onsite (Full-Time) Day Rate: £200 Per Day - Inside IR35 Contract Length: Initial 3-month contract (possible extension) Company Introduction We are seeking an experienced Server Engineer to join our client on a full-time, onsite contract basis in Staffordshire. This role focuses on server upgrades, disaster recovery (DR) documentation, and ensuring strong security practices across IT infrastructure. The ideal candidate will have a solid foundation in server administration, backup strategies, and security, with a focus on delivering high-quality technical solutions in a fast-paced environment. Job Responsibilities/Objectives Server Upgrades & Patching: Manage and execute server upgrades, migrations, and system patching to ensure seamless operations. Disaster Recovery (DR) Documentation: Assist in the creation and maintenance of DR plans, documentation, and business continuity strategies. Security Best Practices: Support and implement security practices, including OS hardening, certificate management, and management of access control lists (ACLs). Server Infrastructure Management: Provide hands-on administration and support for Windows Server and related technologies. Backup & Data Protection: Contribute to backup strategies and data protection processes, ensuring optimal protection of critical systems. Technical Support: Provide third-line support for server-related issues, contributing to troubleshooting and resolution of complex incidents. Documentation: Develop and maintain detailed technical documentation for server environments and infrastructure management. Required Skills/Experience The ideal candidate will have the following: Strong experience in server upgrades, patching, and migration processes. Proven ability to manage and document disaster recovery (DR) strategies and systems. Solid knowledge of security best practices such as OS hardening, certificate management, and managing ACLs. Experience with Windows Server administration and supporting server environments. Ability to contribute to backup and data protection strategies. If you are interested in this opportunity, please apply now with your updated CV in Microsoft Word/PDF format. Disclaimer Notwithstanding any guidelines given to level of experience sought, we will consider candidates from outside this range if they can demonstrate the necessary competencies. Square One is acting as both an employment agency and an employment business, and is an equal opportunities recruitment business. Square One embraces diversity and will treat everyone equally. Please see our website for our full diversity statement.