CBSbutler Holdings Limited trading as CBSbutler

Assurance Consultant Location: Hampshire (Onsite) Duration: 18 Months Clearance: D V Clearance required (Active) Rate: (Apply online only) per day - Outside IR35 Overview We are seeking an Assurance Consultant to provide specialist oversight and assurance across a highly secure government IT infrastructure programme. This role will focus on managing and governing the test and trial activity, ensuring that infrastructure capabilities are validated, risks are identified early, and delivery remains aligned to operational requirements. The successful candidate will act as a trusted adviser to programme leadership, providing independent challenge, structured guidance, and leadership across complex test environments. Key Responsibilities Provide strategic oversight and assurance of Test & Trials activity across the programme Review and shape Test & Trials Strategies, Plans, and governance frameworks Advise programme leadership on test readiness, risks, and delivery confidence Provide independent challenge to ensure robust validation and assurance practices Support planning and execution of system integration, acceptance, and operational trials Engage with engineering, cyber, and operational stakeholders to ensure coordinated test delivery Produce high-level assurance reporting and readiness assessments Identify delivery risks and recommend mitigation strategies Support transition into service and operational acceptance activities Essential Skills & Experience Active DV Clearance (mandatory) Strong experience delivering Test & Trials consultancy or leadership within secure government or defence environments Demonstrable experience shaping test governance, strategy, and assurance frameworks Background working on secure IT infrastructure or complex systems programmes Experience advising senior stakeholders on test readiness and delivery risk Strong understanding of integration, system, and operational testing principles Ability to operate effectively within highly controlled, security-sensitive environments If you'd like to discuss this role in more detail, please send your updated CV to (url removed) and I will get in touch.

Security Architect (Defence DevSecOps & AI/ML) Portsmouth/ Hybrid (3 days onsite) 645 per day Inside IR35 5-Month Contract Active SC or DV Clearance Required Are you an experienced Security Architect looking to shape the future of secure AI and cloud technologies within the UK Defence sector? We are looking for a Security Architect to join a high-profile defence programme, leading the design and assurance of secure AI/ML solutions across multi-cloud and edge environments. This is an opportunity to play a key role in delivering innovative capabilities while ensuring security is embedded throughout the programme lifecycle. You'll work alongside senior technical leaders, architects and engineering teams to define security strategy, influence governance and enable secure DevSecOps practices across a complex, mission-critical environment. What You'll Be Doing Leading the security architecture across AI/ML development and trial programmes. Driving the Secure by Design approach throughout project delivery. Owning the end-to-end security assurance process. Designing secure multi-cloud and edge architectures aligned with Defence requirements. Defining trust boundaries, classification-aware architectures and secure cross-domain data controls. Developing the security roadmap covering DevSecOps, policy-as-code and secure CI/CD pipelines. Leading software supply chain security, including SBOMs, artefact signing and software provenance. Conducting threat modelling and security risk assessments. Chairing security working groups and collaborating with multinational stakeholders. Engaging with senior leadership to communicate security risks, assurance activities and programme outcomes. Mentoring junior security professionals and promoting security best practice across delivery teams. What We're Looking For Proven experience as a Security Architect within complex enterprise or Defence environments. Strong background in cloud security architecture across multi-cloud and edge platforms. Experience implementing Secure by Design principles and DevSecOps practices. Expertise in: Threat modelling and risk management Policy-as-Code CI/CD security controls Software Supply Chain Security SBOMs, artefact signing and software provenance Excellent stakeholder management and communication skills. Previous experience working within UK Defence or other highly regulated environments. Experience leading technical security governance forums. Essential Requirements Active SC or DV Clearance. Sole UK National. CISSP (or equivalent security certification). TOGAF (or equivalent architecture certification). Previous experience supporting Defence programmes.

Database Administrator (Oracle / SQL Server) Location: Manchester or Barrow-in-Furness (Hybrid - 4 days onsite, 1 day remote) Contract: 3 Months (Initial) Rate: 470 per day Inside IR35 Security Clearance: Active SC Clearance required Are you an experienced Database Administrator with strong Oracle and SQL Server expertise? We're looking for a skilled DBA to join a high-profile programme supporting business-critical database infrastructure within a secure enterprise environment. This is an exciting opportunity to work on complex, mission-critical systems where reliability, performance and security are paramount. The Role You'll be responsible for ensuring the performance, availability and stability of Oracle and SQL Server databases, supporting BAU operations while maintaining high service standards in a secure environment. Working as part of an experienced infrastructure team, you'll play a key role in monitoring, maintaining and optimising database services, resolving incidents and supporting ongoing improvements. Key Responsibilities Monitor, administer and maintain Oracle and SQL Server databases. Proactively manage database performance, health and availability. Investigate and resolve database incidents and carry out root cause analysis. Perform database backups, restores, patching and upgrades. Support High Availability and Disaster Recovery solutions, including Always On Availability Groups, Oracle Data Guard and RAC. Ensure database security, integrity and compliance within a secure environment. Work collaboratively with infrastructure and application support teams to maintain service excellence. Follow ITIL best practices for incident, problem and change management. Required Skills & Experience Strong commercial experience administering Oracle and/or Microsoft SQL Server databases. Proven expertise in database performance tuning and optimisation. Experience with backup, recovery and disaster recovery processes. Knowledge of High Availability technologies such as Oracle RAC, Data Guard and SQL Server Always On. Strong troubleshooting and analytical skills. Experience working within enterprise or managed service environments. Understanding of ITIL processes is desirable. Active SC Clearance is essential.

Software Developer - Thermo Fisher SampleManager (LIMS) 540 per day (Inside IR35) Remote BPSS required to start. Eligible for SC clearance. We're looking for 2 experienced Lead Software Developers with strong Thermo Fisher SampleManager (LIMS) expertise to join a major public sector digital transformation programme. This is an excellent opportunity to work on the upgrade and enhancement of a critical Laboratory Information Management System (LIMS), supporting the delivery of complex technical solutions within a regulated environment. What you'll be doing Developing and customising Thermo Fisher SampleManager LIMS Designing and implementing laboratory workflows and system enhancements Building integrations with enterprise systems and laboratory instruments Supporting the migration from Oracle to PostgreSQL Troubleshooting technical issues and providing ongoing system support Working closely with technical teams and business stakeholders to deliver high-quality solutions Essential Skills Proven experience with Thermo Fisher SampleManager LIMS (v12.1 or v21.3) Strong development skills in VGL, C#/.NET and SQL Experience configuring and customising SampleManager Knowledge of REST/SOAP APIs and systems integration Experience with Oracle and/or PostgreSQL databases Understanding of laboratory workflows and Laboratory Information Management Systems Experience working within regulated environments (GxP, GMP, ISO 17025 or FDA 21 CFR Part 11) Desirable Experience with both SampleManager v12.1 and v21.3 Oracle to PostgreSQL migration experience Previous public sector or scientific/laboratory systems experience

Test Manager Location: Basingstoke (Onsite) Contract Length: 18 Months Clearance: Active DV Clearance Required Rate: 650- 700 per day Outside IR35 The Opportunity We are looking for an experienced Project Test Manager to join a high-profile, secure government infrastructure programme delivering critical national capabilities. This role offers the opportunity to lead and assure complex Test & Trials activity across a large-scale IT infrastructure environment. You will work closely with programme leadership, engineering teams, cyber specialists, and operational stakeholders to ensure solutions are validated, risks are identified early, and delivery meets operational and security expectations. The successful candidate will bring strong leadership, governance, and assurance experience within highly secure defence or government environments and be comfortable operating at programme level, providing independent challenge and strategic oversight. Key Responsibilities Lead the governance, assurance, and oversight of Test & Trials activities across the programme Develop, review, and enhance Test Strategies, Plans, and assurance frameworks Provide expert guidance to programme leadership on test readiness, delivery confidence, and risk Deliver independent challenge to ensure robust validation, compliance, and assurance standards are maintained Coordinate integration, system, acceptance, and operational testing activities Work collaboratively with engineering, cyber security, delivery, and operational teams to ensure aligned execution Produce senior-level assurance reports, readiness assessments, and risk evaluations Identify programme risks and recommend pragmatic mitigation strategies Support transition into service, operational acceptance, and go-live activities Ensure testing activity aligns with operational, technical, and security requirements Essential Experience Active DV Clearance (mandatory) Proven experience leading or consulting on Test & Trials activities within secure government, defence, or national security environments Strong background in test governance, assurance, and strategic test management Experience delivering within complex IT infrastructure or secure systems programmes Ability to advise and influence senior stakeholders on readiness, risk, and delivery confidence Strong understanding of integration, system, operational, and acceptance testing methodologies Experience operating within highly controlled, security-sensitive environments Excellent stakeholder engagement and communication skills Desirable Experience Experience supporting MOD, Defence, or National Security programmes Knowledge of secure networks, infrastructure delivery, or classified environments Experience providing independent assurance or programme-level consultancy Familiarity with delivery methodologies such as PRINCE2, Agile, or ITIL Why Apply? Long-term programme on a critical national infrastructure initiative High-impact role with significant stakeholder exposure Opportunity to shape assurance and testing strategy across a complex secure environment Outside IR35 engagement with competitive day rate Work alongside senior technical and operational specialists on mission-critical delivery programmes

SQL Developer +3 months + +Hybrid working 2 days a week on site in Towcester + 40- 45 ph +Inside IR35 We are seeking an experienced SQL Developer to join a major PROMIS Manufacturing Execution System (MES) Upgrade Project . Working alongside the MES Subject Matter Expert (SME), you will play a key role in supporting, developing, and optimising the Manufacturing Execution System that underpins production operations at the Caswell manufacturing facility. A key part of the role will involve rewriting existing GUI scripts into Oracle SQL to enable them to operate via the Operational Data Store (ODS) . About the Role The MES SME is responsible for managing, configuring, and optimising the Manufacturing Execution System (MES) within the manufacturing environment at the Caswell plant. This role ensures the MES operates efficiently to support production processes while maintaining compliance with industry standards. As the SQL Developer, you will develop and support database solutions, troubleshoot issues, and contribute to the successful delivery of the PROMIS MES upgrade. Key Responsibilities Develop, maintain and optimise Oracle SQL code to support the PROMIS MES platform. Rewrite existing GUI scripts into Oracle SQL to operate via the ODS (Operational Data Store). Work closely with the MES SME and project stakeholders throughout the upgrade project. Support data migration, system integration and testing activities. Troubleshoot and resolve database and application issues. Ensure solutions meet performance, reliability and manufacturing compliance requirements. Produce technical documentation and support knowledge transfer. Essential Skills & Experience Minimum 5 years' commercial experience developing with Oracle SQL . Experience with Python and/or DCL scripting. Strong SQL performance tuning and database optimisation skills. Experience working with manufacturing systems or MES environments is highly desirable. Experience migrating or refactoring legacy scripts into SQL-based solutions is advantageous. Excellent analytical and problem-solving skills. Ability to work collaboratively within a project team. If you'd like to discuss the SQL Developer role in more detail, please send your updated CV to (url removed) and I will get in touch.

Android Developer Rate: 350 - 400 a day IR35 status: Inside Location: Glasgow - hybrid one day a week You will join a global IT consultancy who are delivering digital transformation to an enterprise scale end customer. As an Android Engineer you will be be building high quality mobile applications and you'll value writing clean, maintainable, and well tested code while thriving in a fast moving Agile environment. Your responsibilities will include: Developing and maintaining features across our Android applications Collaborating closely with cross functional teams to deliver high quality digital products Building intuitive, visually engaging, and user friendly mobile experiences Writing clean, scalable, maintainable, and testable Kotlin code Supporting development activities across the family of Digital platforms Driving continuous improvement across development processes, tooling, and customer experiences Identifying opportunities to enhance app performance, usability, and engineering practices Skills: Strong commercial experience with Kotlin and/or Java Experience using Android Studio Experience building Android applications using MVVM architecture Strong understanding of Jetpack Compose Familiarity with Android Jetpack libraries such as LiveData, Navigation Component/NavGraph, and local persistence solutions such as ObjectBox Experience working with Coroutines for asynchronous programming Comfortable integrating with RESTful APIs using tools such as Retrofit Familiarity with version control systems such as Git Experience with Gradle Understanding of the Google Play release process Experience working within Agile/Scrum delivery teams Strong debugging and problem solving skills

iOS Developer Rate: 350 - 400 a day IR35 status: Inside Location: Glasgow - hybrid one day a week You will join a global IT consultancy who are delivering digital transformation to an enterprise scale end customer. As an iOS Engineer you will build high quality mobile applications and you'll value writing clean, maintainable, and well tested code while thriving in a fast moving Agile environment. Your responsibilities will include: Developing and maintaining features across our iOS applications Collaborating closely with cross functional teams to deliver high quality digital products Building intuitive, visually engaging, and user friendly mobile experiences Writing clean, scalable, maintainable, and well tested Swift code Supporting continuous improvement initiatives across our Digital platforms Identifying opportunities to improve performance, usability, and development processes Contributing to technical discussions, architecture decisions, and code reviews Working collaboratively with Analysts, Testers, and Designers to deliver solutions that meet stakeholder and customer needs Supporting the delivery of Digital objectives through technical innovation and best practice engineering Skills: Strong commercial experience with Swift Experience building apps using MVVM architecture Comfortable integrating with RESTful APIs without relying heavily on third party frameworks Experience with SwiftUI, UIKit, Storyboards, Nibs, Auto Layout, and Size Classes Familiarity with navigation patterns such as Coordinators Experience with CoreData or similar local persistence frameworks Familiarity with version control systems such as Git Understanding of the App Store release process, including provisioning profiles and certificates Experience working within Agile/Scrum delivery teams Familiarity with reactive programming concepts (e.g. RxSwift/Combine) Strong debugging and problem solving skills

IT Change Manager - SC Cleared Contract: 6-Month Rolling Contract Rate: 75- 85 per hour (Inside IR35) Location: Reading (Hybrid - 3 days per week onsite) Security Clearance: Active SC Clearance required The Opportunity We are seeking an experienced IT Change Manager to take ownership of the end-to-end IT change management process, ensuring all changes across the IT environment are managed in a controlled, compliant, and risk-aware manner. You will play a critical role in maintaining service stability and operational excellence by overseeing the planning, assessment, authorisation, scheduling, implementation, and review of IT changes while working closely with stakeholders across Digital Information and the wider business. Key Responsibilities Change Management Governance Manage the complete IT change management lifecycle, ensuring all changes are logged, assessed, authorised, implemented, and reviewed in line with established governance processes. Maintain robust controls to minimise risk to service availability and business operations. Risk & Impact Assessment Evaluate the potential impact and risks associated with proposed changes to infrastructure, applications, and business services. Ensure appropriate mitigation strategies are identified and implemented. Change Advisory Board (CAB) Management Organise, facilitate, and lead Change Advisory Board (CAB) meetings. Collaborate with technical teams, service owners, and business stakeholders to review and approve changes. Change Scheduling & Communications Coordinate change calendars and implementation schedules. Ensure effective communication of planned changes to all impacted stakeholders. Performance & Continuous Improvement Develop, monitor, and report on key change management metrics, including: Change success rates Failed changes Emergency changes Change-related incidents Drive continual improvement initiatives to enhance change efficiency and reduce service disruption. Post-Implementation Review Conduct post-change reviews to assess outcomes, identify lessons learned, and improve future change delivery. Key Objectives Ensure IT changes are delivered in a controlled, timely, and risk-managed manner. Minimise disruption to critical business services. Maintain transparency, governance, and accountability across all change activities. Support effective planning and alignment with business priorities. Ensure compliance with internal governance standards and external regulatory requirements. Essential Skills & Experience Active SC Clearance . Sole UK National status. Minimum of 5 years' experience in IT service delivery and/or IT change management. Strong experience operating within ITIL-based service environments . Experience establishing and managing SLAs, KPIs, and service performance metrics . Strong understanding of ITSM platforms , particularly ServiceNow . Good understanding of core IT infrastructure, including servers, networks, and enterprise technology environments. Experience with service monitoring tools and technologies. Excellent stakeholder management, communication, and facilitation skills. Strong analytical and problem-solving abilities. High levels of professionalism and integrity when handling sensitive information. Proficiency with Microsoft Office applications. Qualifications Essential IT Service Management certification (e.g., ITIL v3/v4 ). Desirable Bachelor's degree in Information Technology, Computer Science, or a related discipline. PMP or other recognised project management qualifications. Experience with data analysis and reporting tools. Ability to manage multiple priorities in a fast-paced environment. What's on Offer? 6-month rolling contract 75- 85 per hour (Inside IR35) Hybrid working - 3 days per week onsite in Reading Opportunity to contribute to a business shaping the future of international defence collaboration Work within a highly secure, mission-critical environment alongside industry-leading experts If you hold active SC clearance, meet the nationality requirements, and have a strong background in IT Change Management within enterprise environments, we'd welcome your application.

Regulatory Consultant - Open Banking - SQL skills 6-Month Contract 400 - 480/day (Inside IR35) Hybrid London - 3 days per week A global technology organisation is seeking an experienced Open Banking Regulatory Consultant to support regulatory compliance and operational governance across multiple international markets. This is an exciting opportunity to join a high-performing global team responsible for ensuring compliance with Open Banking and payment regulations while working closely with engineering, product and risk stakeholders. Responsibilities: Produce and submit regulatory reports relating to Open Banking and payment regulations Monitor API performance, availability and operational metrics to ensure compliance with regulatory requirements. Investigate incidents, reporting discrepancies and operational issues, working alongside engineering teams to identify root causes. Support incident reporting and regulatory notification processes. Maintain reporting documentation, governance processes and regulatory reporting schedules. Collaborate with Product, Engineering, Compliance and Risk teams to ensure regulatory requirements are translated into operational processes. Support internal audits, regulatory reviews and ad hoc compliance requests. Contribute to the development and improvement of reporting automation and data quality. Skills & Experience: Previous experience in regulatory reporting, compliance analytics or regulatory operations within payments, banking or fintech. Strong understanding of UK and/or EU payment regulations (PSD2, Payment Services Regulations, FCA or related frameworks). Experience working with large transactional datasets. Strong SQL skills for querying and validating data. Strong analytical and problem-solving ability. Excellent stakeholder management skills with experience working across technical and non-technical teams. Comfortable working independently within a fast-paced global environment. Please apply for immediate interview! CBSbutler is operating and advertising as an Employment Agency for permanent positions and as an Employment Business for interim / contract / temporary positions. CBSbutler is an Equal Opportunities employer and we encourage applicants from all backgrounds.

IAM Service Lead Location: On-site, Inverness (IV2) Start: ASAP Contract: Initial 6 months Rate: up to 473/day A high-impact contract opportunity for an experienced Identity & Access Management (IAM) Service Lead to take ownership of IAM service delivery-driving SLA performance, robust governance, and continuous improvement across a complex environment. What you'll be doing Lead end-to-end IAM service delivery (SLAs, BAU performance, service reporting) Own incident & problem management for IAM, ensuring rapid, effective resolution Define and improve IAM policies, standards, and processes to meet security/compliance needs Partner with technical and business stakeholders to integrate IAM across platforms Coach/lead the IAM team and raise operational maturity and service quality What you'll bring Proven experience leading IAM in a large/complex organisation Strong hands-on knowledge of IAM protocols/standards: LDAP, SAML, OAuth, OpenID Connect Track record managing service operations (incidents, problems, SLAs, stakeholder comms) Excellent stakeholder management and ability to juggle competing priorities Certifications (preferred): CISSP / CISM / IAM-related Nice to have Cloud IAM experience, automation/scripting, multi-region IAM rollouts, regulatory exposure

Service Architect +Current DV Clearance is essential +On site in Hampshire months + +Outside IR35 + 650 - 750 a day We're seeking an experienced Service Architect to join a high-profile Ministry of Defence (MOD) programme on a long-term contract. This is an excellent opportunity to play a key role in designing and delivering secure, resilient, and supportable services within a complex defence environment. Key Responsibilities Design and develop end-to-end service architecture aligned with business and technical requirements. Produce service designs that meet operational, security, and supportability standards. Work closely with technical architects, engineering teams, service management, and stakeholders. Ensure service transition and operational readiness for new and enhanced services. Contribute to service governance, risk management, and continual service improvement. Create and maintain service design documentation, operating models, and support processes. Essential Skills & Experience Proven experience as a Service Architect within complex enterprise or government environments. Strong understanding of IT service design and service management principles. Experience working on secure or defence-related programmes. Ability to engage with senior stakeholders and translate business requirements into effective service solutions. Excellent documentation and communication skills. Active DV (Developed Vetting) clearance is mandatory. If you'd like to discuss this Service Architect role in more detail, please send your updated CV to (url removed) and I will get in touch.

Systems Engineer Location: Hampshire / Hybrid (2 days onsite) Salary: Up to 60,000 per annum Security Clearance: SC Clearance required Are you an experienced Systems Engineer looking to work on complex, cutting-edge defence technology? We're looking for a technically driven engineer to play a key role in the design, development and delivery of advanced systems supporting critical defence capabilities. This is an opportunity to work across the full engineering lifecycle, from early-stage research and concept development through to product delivery and in-service support, collaborating with multidisciplinary teams on innovative projects involving RF communications, sensors, Position, Navigation & Timing (PNT) and Electronic Warfare (EW) technologies. The Role As a Systems Engineer, you'll provide technical leadership across a range of programmes, acting as a System Design Authority and ensuring solutions are delivered to the highest technical standards. You'll be responsible for: Leading system design activities across the full engineering lifecycle. Providing technical leadership to multidisciplinary engineering teams. Developing innovative solutions from concept through to delivery. Working closely with customers to understand requirements and shape technical solutions. Supporting bids, research activities and technology development programmes. Managing technical risks and ensuring projects meet performance, quality and delivery objectives. Contributing to equipment trials, integration activities and rapid prototyping where required. What We're Looking For You'll have: A degree in Engineering, Computer Science or a related discipline. Proven Systems Engineering experience across the product development lifecycle. Experience leading technical teams or acting as a technical authority. Knowledge of sensor systems and RF communications. Excellent stakeholder management and communication skills. Current SC Clearance. Desirable Experience Experience in any of the following would be highly beneficial: Electronic Warfare (EA, ES, ECM, ESM or RF Cyber) Software Defined Radios (SDR) Digital Signal Processing (DSP) FPGA technologies RF systems and antennas Open architectures such as SOSA, OpenVPX, MORA, OpenCPI or STICS Agile, SAFe, Waterfall or Spiral delivery methodologies Technical risk and RAID management

We have a fantastic and rare opportunity for an organised Executive Assistant to support a VP of a multinational and well known gaming and entertainment company. This is a 3 month hybrid working contract from the company's central London offices. Your Key Responsibilities will include: Manage a complex international calendar, travel, expenses and executive administration. Meeting co-ordination, meeting materials and presentations Supporting the delivery of ESG, CSR, sustainability and compliance initiatives Coordinating governance meetings, leadership forums and cross-functional working groups. Handling confidential information with discretion About you: You will have solid EA experience supporting a senior executive in a large, multi tiered international organisation You have excellent organisational, planning and communication skills. You will have an ability to manage multiple priorities and work independently. Experience supporting Legal, ESG, Sustainability or Compliance teams would be ideal, but not essential. Experience coordinating international projects or executive events would be beneficial.

Java Developer Telford / Hybrid - 2 days per week onsite 6 months Up to 450 per day inside ir35 BPSS / SC eligible Are you an experienced Java Developer looking to work on large-scale, business-critical enterprise applications? We're looking for a talented developer to join a collaborative team supporting and enhancing a suite of internal applications within a complex enterprise environment. You'll play a key role in maintaining live services, supporting batch processing, and delivering high-quality enhancements while ensuring system stability and performance. This is an excellent opportunity for someone who enjoys balancing production support with ongoing development and continuous improvement. What you'll be doing Developing, maintaining and enhancing enterprise Java applications. Supporting live production services and resolving technical issues. Working with Oracle databases, writing and optimising SQL queries. Deploying and supporting applications running on WebLogic. Managing code using Git and Maven within controlled release processes. Working with containerised applications deployed on Kubernetes. Collaborating with technical teams to deliver reliable, high-quality solutions. What we're looking for Strong commercial experience developing Java applications in enterprise environments. Experience supporting live production systems. Hands-on experience with Oracle WebLogic. Strong Oracle SQL knowledge. Experience using Git and Maven. Experience working with Kubernetes and containerised applications. A proactive approach with excellent problem-solving skills. Ability to work effectively within a collaborative Agile team. Desirable Experience with Shell scripting. Linux command line experience. Eligibility to obtain SC Security Clearance.

Security Architect +On site in Hampshire +DV cleared role + 700 - 750 a day +Outside IR35 We are seeking a DV Cleared Security Architect to join a Joint Design Team, working on a highly sensitive and mission-critical programme. Reporting directly to the Security Lead, you will play a key role in assuring that Managed Service Provider (MSP) designs and implementations meet the client's stringent security standards and MOD requirements. This is a hands-on assurance and advisory role, operating at both strategic and technical levels within a secure environment. The Role Review and assure high-level and low-level designs produced by MSPs Review MSP security compliance tests, assessments, and evidence Assess and challenge security cases, risks, and design decisions Undertake formal security assessments in line with MOD and client standards Maintain and administer STREAM Provide clear, pragmatic security advice and guidance to the client and stakeholders Skills & Experience Proven experience in Security Architecture within secure or defence environments Strong background in security assessment and assurance Experience conducting security audits and compliance reviews Familiarity with MOD security frameworks, processes, and standards Ability to work confidently with senior stakeholders, suppliers, and delivery teams Active DV clearance is essential If you'd like to discuss this Security Architect role in more detail, please send your updated CV to (url removed) and I will get in touch.

JOB TITLE: DevOps Engineer - DV Cleared Rate: 550- 600/day (Outside IR35) Location: Onsite Clearance: DV Cleared (Mandatory) Flexible Work Option: Condensed working week (e.g., 3 long days, paid for 5) Job Summary We are seeking a technically skilled DevOps & Software Engineer with DV clearance to contribute across the full software development lifecycle and DevOps toolchain. You will design, implement, and maintain scalable, secure, and automated CI/CD pipelines, infrastructure-as-code (IaC), and system monitoring frameworks to support the continuous delivery of secure and reliable software. This role demands a strong grasp of modern DevOps practices, cloud and container technologies, automation tooling, and software engineering principles. You will work closely with development, security, and operations teams to drive a culture of DevSecOps and continuous improvement. Key Responsibilities Design, build, and maintain scalable CI/CD pipelines using modern DevOps tooling. Implement Infrastructure-as-Code (IaC) to provision and manage cloud/on-prem infrastructure. Manage container orchestration platforms and develop containerized solutions. Monitor systems and applications for availability, performance, and security compliance. Automate operational tasks including testing, deployment, patching, and scaling. Apply DevSecOps principles to secure applications and infrastructure across SDLC. Collaborate with cross-functional teams (developers, testers, security analysts) to streamline software delivery. Participate in code reviews, architecture design, and incident resolution. Contribute to the development and documentation of internal DevOps standards and best practices. Mentor junior engineers and foster a DevOps-first mindset within delivery teams. DevOps & Tooling Proficiency (Preferred) Category Tools & Technologies CI/CD GitLab CI/CD, Jenkins, GitHub Actions, CircleCI, Azure DevOps Pipelines Infrastructure-as-Code Terraform, Ansible, AWS CloudFormation, Pulumi Cloud Platforms AWS, Azure, GCP, or private cloud (OpenStack) Containerization Docker, Podman Orchestration Kubernetes (EKS, AKS, GKE), Helm, OpenShift Version Control Git, GitLab, Bitbucket Monitoring & Logging Prometheus, Grafana, ELK Stack, Splunk, Datadog Security & Compliance HashiCorp Vault, Snyk, SonarQube, Trivy, AWS IAM, CIS Benchmarks Configuration Mgmt. Ansible, Puppet, Chef Build Tools Maven, Gradle, NPM, Webpack Testing Tools Selenium, JUnit, Postman, Cypress Other Nexus/Artifactory (artifact repositories), REST APIs, JSON/YAML, Linux system admin

DV Cleared 2nd/3rd Line Infrastructure Engineer (Wintel) Location: London (Full-time, 100% onsite) Salary: 60,000 - 70,000 + Bonus Security Clearance: Active DV Clearance Required Overview We are seeking an experienced DV Cleared 2nd/3rd Line Infrastructure Engineer to join a highly secure and mission-critical environment based in London. This is a hands-on technical role focused on supporting, maintaining, and enhancing enterprise Wintel infrastructure within a complex, high-security setting. Working as part of an established infrastructure team, you will provide 2nd and 3rd line support across core services and platforms, taking ownership of technical incidents, problem resolution, system improvements, and infrastructure lifecycle activities. Key Responsibilities Provide 2nd and 3rd line support for Windows-based infrastructure and core services Administer and support Active Directory environments, including Group Policy, DNS, DHCP, and user/device management Support and maintain VMware virtualised infrastructure environments Investigate, troubleshoot, and resolve complex infrastructure incidents and problems Perform system patching, upgrades, maintenance, and lifecycle management activities Implement and maintain security best practices within a highly regulated environment Create and maintain technical documentation, support procedures, and operational runbooks Work closely with infrastructure, network, and security teams to support business-critical services Contribute to continuous improvement initiatives and infrastructure optimisation projects Participate in technical escalations and provide support for major incidents when required Essential Skills & Experience Active Developed Vetting (DV) clearance - must be current and transferable Proven experience in a 2nd/3rd line infrastructure support or engineering role Strong Wintel infrastructure support experience within enterprise environments In-depth knowledge of: Windows Server (2016/2019/2022) Active Directory, Group Policy, DNS, and DHCP VMware vSphere / ESXi Excellent troubleshooting and diagnostic skills across core infrastructure technologies Experience working within secure, enterprise, government, or defence environments Ability to work full-time onsite in London Desirable Skills PowerShell scripting and automation Experience with backup and recovery solutions Knowledge of infrastructure monitoring tools (e.g. SCOM or equivalent) Exposure to highly secure, classified, or air-gapped environments Experience supporting mission-critical systems and services What's on Offer Competitive salary of 60,000 - 70,000 Annual bonus scheme Opportunity to work within a highly secure, mission-critical environment Long-term career opportunity supporting nationally important systems Collaborative and technically challenging working environment

ServiceNow Developer Contract - Hybrid Based in London 400 - 500 per day insideIR35 We are hiring for a ServiceNow Developer to join a collaborative engineering team responsible for enhancing a business-critical enterprise platform used by partners and customers across multiple international markets. As a ServiceNow Developer, you will be responsible for designing, developing and supporting scalable solutions across the ServiceNow platform. Working alongside Product Managers, Business Analysts and Engineers, you will help deliver high-quality features that improve business processes and user experience. Responsibilities: Design, develop and maintain ServiceNow applications and platform enhancements. Translate business requirements into robust technical solutions. Develop and support Service Portal/Employee Centre functionality. Build integrations using REST APIs and modern web technologies. Participate in Agile ceremonies including sprint planning, refinement, etc. Troubleshoot production issues and perform root cause analysis. Contribute to code reviews, technical documentation and engineering best practices. Work closely with cross-functional teams to deliver high-quality software. Skills & Experience: 3-7+ years commercial ServiceNow development experience. Strong JavaScript development skills. Experience with Service Portal or Employee Centre development. Solid knowledge of Business Rules, Flow Designer, Client Scripts, UI Policies and Script Includes. Experience building and consuming REST APIs. Agile development experience. Excellent analytical, troubleshooting and communication skills. It would be an advantage if you had any experience with the following: ServiceNow Customer Service Management (CSM) and experience of working in large enterprise or global technology environments. If you are an experienced ServiceNow Developer looking to work on large-scale enterprise solutions within a collaborative and forward-thinking team, please apply for immediate interview! CBSbutler is operating and advertising as an Employment Agency for permanent positions and as an Employment Business for interim / contract / temporary positions. CBSbutler is an Equal Opportunities employer and we encourage applicants from all backgrounds.

SAP Security Consultant Telford / Hybrid - 3 days onsite Up to 390 per day inside ir35 6 months Clearance Required: SC eligible We are looking for an experienced SAP Security Consultant to join a well-established delivery team supporting a large-scale enterprise SAP environment. This is an exciting opportunity to work across a range of projects, enhancements and live service activities, delivering secure and compliant SAP solutions within a complex business landscape. You'll play a key role in designing, implementing and supporting SAP Security across multiple SAP platforms, working closely with functional consultants, technical teams and business stakeholders to ensure security requirements are met throughout the project lifecycle. What You'll Be Doing Designing and implementing SAP Security solutions for projects and system enhancements. Creating and maintaining SAP users, roles and authorisations. Producing security role specifications and supporting end-to-end solution design. Supporting SAP upgrades and security activities, including SU25. Investigating and resolving SAP Security incidents through root cause analysis. Providing ongoing support for live SAP environments. Working collaboratively with technical and functional teams to deliver secure SAP solutions. Ensuring SAP Security governance and best practices are maintained. What We're Looking For Proven experience as an SAP Security Consultant. Strong experience administering SAP Security using Central User Administration (CUA). Hands-on experience with SAP roles, authorisations and user administration. Knowledge of SAP ECC, BW and Enterprise Portal security. Strong experience with SAP S/4HANA Security and SAP BTP Security . Experience supporting SAP upgrades and security implementations. Excellent problem-solving and stakeholder management skills. Ability to work effectively within a collaborative delivery team. Desirable Experience with SAP SuccessFactors Security. Knowledge of cloud-based SAP Security administration. Experience working within large, complex enterprise environments. If this role is of interest, apply now or email your CV to me at (url removed)