WNTD

We are seeking an experienced Network Security Engineer to join an Endpoint Security team within a leading global financial services firm. This is a high-level operational (BAU) role focused on supporting and troubleshooting a Menlo Security browser isolation solution. The successful candidate will act as a technical point of escalation for complex support tickets, ensuring seamless secure web browsing for end-users. You will investigate the entire transaction path-from the desktop icon to the Firewall-to resolve connectivity and performance issues. Core Responsibilities Operational Support: Provide L2/L3 support for the browser isolation environment, investigating and resolving tickets where users cannot connect to or use the secure browsing service. Network & Firewall Management: Carry out necessary changes to Firewalls and network equipment to resolve identified connectivity issues. Incident Diagnosis: Troubleshoot the full transaction life cycle, identifying whether faults lie within the local network, the isolation layer, or the web application architecture. Collaboration: Work closely with security analysts and wider infrastructure teams to maintain compliance with security policies. Documentation: Develop and maintain technical documentation for network configurations and troubleshooting processes. Technical Requirements Network Expertise (Advanced): Proficient in configuring and managing Routers, Switches, and Firewalls. Deep understanding of TCP/IP, DNS, DHCP, VLANs, and VPNs. Web Architecture Knowledge: Intermediate understanding of HTML, CSS, and JavaScript is required to diagnose browser behaviour and identifies issues within the isolation environment. Security & Isolation: Experience with Menlo Security or similar browser isolation/Proxy products (eg, Zscaler, Symantec BlueCoat). Automation & Scripting: Ability to work within a highly automated environment; Scripting skills (Python/Bash) are beneficial for identifying issues. Troubleshooting: Strong analytical skills to resolve complex L2/L3 issues that cannot be handled by a standard helpdesk. Desirable Attributes Sector Experience: Previous experience working within the financial services sector. Certifications: CCNA, CCNP, or equivalent networking/security certifications. Communication: Ability to explain technical resolutions clearly to stakeholders and document changes effectively. Notes: Site location is London (London Wall) - Hybrid (3 days on-site, 2 days remote) Rate: £470 per day (Inside IR35) Duration: 12 Months Start Date: ASAP.

Network Engineer - Financial Services (Inside IR35) Location: Remote with flexibility to go onsite Rate: £480 per day (Inside IR35, all-inclusive) Contract: Initial contract until March 2026 6-month renewal thereafter (annual funding approved, released in 6-month cycles) Overview We are seeking a Contract Network Engineer to join a high-performance capital markets infrastructure environment , supporting the core networks that underpin trading platforms, market data distribution, and exchange connectivity. This is a delivery-focused role , operating within an in-house data centre and infrastructure estate where availability, latency, and resilience are critical . You will be responsible for translating project and business requirements into Low-Level Designs (LLDs) and implementing those designs end-to-end. Key Responsibilities Deliver network projects and changes within a capital markets/trading environment Translate business and project requirements into: Low-Level Designs (LLDs) Implemented, tested, and deployed network solutions Design, build, and support large-scale Arista routing & switching environments Support and troubleshoot multicast market data feeds delivered to internal and external consumers Configure and support F5 load balancing in a dedicated F5 environment Use Arista CloudVision for network management and visibility Implement and support Firewall platforms , primarily Fortinet Palo Alto exposure is an added bonus Perform advanced troubleshooting and root-cause analysis across complex network issues Collaborate closely with infrastructure, application, and trading teams Required Skills & Experience Proven experience as a Network Engineer in low-latency, mission-critical environments Multicast networking (essential) Arista Networks - routing and switching at scale Firewall technologies Fortinet (hands-on, essential) Palo Alto (desirable) F5 Load Balancing (hands-on experience required) Experience with Arista CloudVision Strong experience producing and delivering Low-Level Designs (LLDs) Excellent troubleshooting and problem-solving skills CCNP-level knowledge (certification preferred, not mandatory) Environment Capital markets/trading platforms In-house data centre and infrastructure environment Performance-sensitive, high-availability networks Additional Information Inside IR35 £480 per day , all-inclusive Contract funded through March 2026 , with expected 6-month extension

3rd Line Analyst (Wintel/AD Specialist) Location: Remote with occasional visits to Derby Contract: 12-month FTC Clearance: Current SC clearance (or above) required - no dual nationality Day Rate: up to £500 - £550 Role Purpose We are seeking an experienced 3rd Line Analyst to join our team, specialising in Wintel and Active Directory environments . You will be responsible for resolving complex technical incidents, supporting a large-scale hybrid infrastructure, and ensuring service excellence across authentication, authorisation, and access services. This role combines business-as-usual support with the opportunity to contribute to solution design and implementation. Key Responsibilities Technical (80%) Respond to incidents and service calls, ensuring SLA targets are consistently met. Deliver higher First Time Fix rates and resolve escalated technical issues. Monitor call queues, liaise with specialist teams, and drive timely resolution. Provide operational support for Microsoft Windows Server, Active Directory, Entra ID, VMware/Hyper-V, and Azure. Manage identity services including Authentication, Federation, and Access Control. Support Windows networking services (DNS, DHCP) and anti-virus solutions. Troubleshoot hybrid infrastructure environments. Create and maintain accurate operational documentation. Administration (20%) Maintain incident records and reporting in ITSM systems. Contribute to SLA reporting and performance metrics. Participate in team/sector meetings and knowledge sharing sessions. Ensure compliance with customer and security policies. Required Skills & Experience 5+ years' experience supporting large hybrid IT environments. 3+ years working with Microsoft Windows Server (all current versions), Active Directory, Entra ID, VMware/Hyper-V. Current SC clearance (or higher) . Strong understanding of ITIL Service Operations (Incident, Request, Problem, Change). Proficiency in PowerShell for automation and reporting. Relevant technical certifications (Microsoft, VMware, Azure). Excellent communication, documentation, and stakeholder management skills. Ability to work under pressure and manage multiple priorities effectively. Desired Skills (Advantageous) In-depth 3rd Line Support experience resolving complex incidents. Modern device management (Intune, Workspace One). Azure PIM & Identity Governance. Microsoft Certifications (eg, AZ-800/801, SC-300). Strong Active Directory deployment, configuration, and troubleshooting experience. Knowledge of enterprise app deployment and conditional access policies. Familiarity with converged technologies (Simplivity, UCS). Personal Attributes Strong analytical and problem-solving skills. Organised, systematic, and detail-oriented. Effective interpersonal skills, with the ability to influence at all levels. Self-driven, adaptable, and collaborative in approach.

Job Opportunity: Azure DevOps Support & Training Specialist Location: Derby (5 days per week, on-site) Clearance: Must hold valid SC clearance Nationality Requirement: British nationals only (no dual nationality permitted) About the Role We are seeking an Azure DevOps Support & Training Specialist to join our clients team in Derby. This role is critical in supporting, maintaining, and enabling the use of Azure DevOps across the organisation, while ensuring operational excellence and knowledge sharing. This is a secure site role , requiring valid SC clearance and strict eligibility criteria. Key Responsibilities Setup & Training: Creation of Azure DevOps Knowledge Base articles on ServiceNow. Delivery of high-level base training and enablement for Azure DevOps concepts. Support & BAU Activities: Provision of Azure DevOps support services, including updates, patching, and security fixes. Operational support for Azure DevOps usage (configuring pipelines, resolving tickets, addressing queries). Discovery and documentation of the existing environment and configuration. Knowledge & Process Improvement: Issue logging and knowledge article creation. Quarterly ticket volume analysis to drive continuous improvement. Requirements Valid SC clearance (mandatory). British nationality only (no dual nationals permitted). Proven experience in Azure DevOps support, configuration, and training. Strong documentation and knowledge management skills. Familiarity with ServiceNow for knowledge base creation.