127 jobs found in Marston

WAN Architect - DV Cleared Location: Corsham / Hybrid, with travel to other MOD sites as required Clearance: Active DV clearance required Contract: 6 Months Rate: Circa £700pd DOE (Inside IR35) We are looking for an experienced WAN Architect to support a major Defence programme within a large-scale Fixed Networks environment. You will provide technical leadership and architectural assurance across enterprise WAN services, working closely with Defence Digital, Managed Service Providers, technical authorities and third-party suppliers. This is primarily an architecture, design assurance and technical governance role, rather than a hands-on network engineering position. You will be responsible for challenging supplier designs, supporting service transition and helping shape the ongoing modernisation of complex, secure network services. Key Responsibilities Provide architecture and design assurance across large-scale WAN services. Review and challenge HLDs, LLDs, RFCs, Impact...

Wintel Engineer Length: Until May 2027 Rate: £725 per day via umbrella Location: Corsham (3 days per week onsite) ***CANDIDATES MUST HOLD ACTIVE SC CLERANCE OR BE ELIGIBLE TO UNDERGO SC CLEARANCE*** Overview The WINTEL Engineer will deliver hands-on engineering support to the OpNET programme, designing, building, and maintaining Windows-based enterprise infrastructure platforms. The role focuses on Microsoft server technologies and enterprise services within highly virtualised environments, supporting full lifecycle delivery from installation and configuration through to integration, testing, and operational support within secure or regulated environments. Main Responsibilities will include, but are not limited to: Install, configure, and maintain Windows Server operating systems across enterprise environments. Deploy and support Microsoft enterprise services including Active Directory, Group Policy, Exchange, SQL, Skype, WSUS, PKI, and supporting applications....

IT&T Test Engineer Day Rate: £625 per day (Umbrella) Location: Corsham (Hybrid, 3 days onsite per week) Clearance: Active SC Clearance Required Contract Length: 9 Months Overview We are seeking an experienced IT&T Test Engineer to support a high-profile, secure technology programme within a defence and national security environment. The successful candidate will provide hands-on engineering support across the full testing lifecycle, developing and executing verification, validation, interoperability, and compliance testing activities to support solution acceptance and operational readiness. This role will focus on the creation, execution, and reporting of test activities spanning infrastructure, security, identity management, interoperability, and information exchange capabilities within a highly regulated environment. Key Responsibilities Develop, maintain, and execute test scripts to support verification, validation, and acceptance activities. Support the...

Capacity & Performance Manager - DV Cleared 12-Month Contract | South West | £600 to £700 per day (DOE) | Outside IR35 We are seeking an experienced Capacity & Performance Manager to join a high-profile programme in the South West. This is a 12-month contract, paying up to £700 per day, with hybrid working available. The successful candidate will bring extensive experience across capacity management, performance analysis, infrastructure planning and project management, ideally gained within large-scale, complex or secure environments. Key Responsibilities Lead capacity and performance management across complex IT infrastructure and services. Develop demand, capacity and performance models, forecasts and long-term capacity plans. Analyse infrastructure performance and utilisation across physical, virtual and cloud environments. Produce dashboards, reports and management information to support technical and business decisions. Work closely with technical teams, service...

WAN Architect + 12 month contract + Hybrid working from Corsham + £600 to £650 per day - Inside IR35 + DV Cleared role Location: Hybrid / Corsham / MOD Sites (UK and Overseas as Required) Security Clearance: Active DV Clearance Required We are seeking an experienced WAN Architect to provide technical leadership, architecture assurance and design governance across a complex Fixed Networks portfolio. You will assure WAN designs and supplier deliverables, support service transition and new service introduction, manage technology lifecycle and obsolescence, and contribute to future network transformation initiatives. Key Responsibilities Provide WAN architecture expertise and technical assurance across enterprise network services. Review and assure HLDs, LLDs, RFCs, impact assessments, security and accreditation documentation. Ensure solutions align with Defence Digital standards, security requirements and strategic roadmaps. Support service transition, onboarding, testing and...

On behalf of our client, we are seeking to recruit a SCC Database Manager on an initial 6 -month contract. As the SCC Database Manager you will support the administration, maintenance, and configuration of mission-critical database systems within a spacecraft operations environment. You will be responsible for ensuring system availability, data integrity, and effective resolution of technical issues. Role: SCC Database Manager Pay: Up to £41.71 per hour Via Umbrella Location: Chippenham Contract: Monday - Friday 37 Hours per week, 6 Months contract IR35 Status: Inside Security Clearance: Security Clearance on submission, UK Eyes only project Responsibilities Perform database maintenance and update activities Implement database changes as requested through change management procedures Release new databases on system Maintain database change control documentation Perform routine data and software backup and archiving activities Perform routine system maintenance and...

Cyber Security Operations Specialist We are looking for an experienced Cyber Security Operations Specialist to join a growing security team responsible for protecting a complex IT, cloud and operational technology environment. You will play a key role in detecting, investigating and responding to cyber threats, while helping to improve the organisation's overall security monitoring and incident response capabilities. The role combines hands-on security operations, tooling optimisation and continuous improvement across a varied technology estate. Key responsibilities: Monitor, triage and investigate security alerts and incidents across IT, cloud and OT environments. Lead or support incident response, including containment, eradication, recovery and escalation. Develop and optimise SIEM detection rules, EDR policies and security monitoring capabilities. Reduce false positives and improve detection coverage using threat intelligence and incident learnings. Investigate threats...

SAP S/4HANA Technical Consultant / SAP Basis Consultant (SC Cleared) Location: Bristol, UK (Hybrid - 3 days per week onsite) Contract Length: 6 Months (Extension Likely) Day Rate: £500 - £550 per day (Inside IR35) Security Clearance: Active SC Clearance Required Overview We are seeking an experienced SC Cleared SAP S/4HANA Technical Consultant / SAP Basis Consultant to join a major transformation programme delivering SAP S/4HANA within a secure environment. This is a hands-on technical role requiring strong expertise in SAP S/4HANA system provisioning, installation, landscape management, HANA database administration, and system lifecycle activities. The successful consultant will play a key role in building and maintaining SAP environments hosted on a hyperscaler platform, with AWS experience highly desirable. Key Responsibilities Lead SAP S/4HANA system provisioning and landscape setup activities. Perform initial SAP S/4HANA system builds within AWS and other cloud...

We are looking for an IT Support Technician to join the IT group of a major client, supporting day-to-day IT activities and ensuring seamless service for users. You'll be part of a collaborative IT team of 10 (including 7 technicians), providing front-line technical assistance and working closely with colleagues in the UK and France. This role is an excellent opportunity for someone with a solid grounding in IT support, strong communication skills, and a proactive approach to solving problems. Key Responsibilities Provide desktop support and troubleshooting for users across the organisation Ensure user identities and authorisations are correctly managed Deploy, configure, and maintain workstations, computers, telephones, and IT equipment. Provide access to applications, shared networks, and SharePoint sites. Manage and resolve level 1 incidents, escalating to level 2 support in France when necessary. Administer Active Directory (user and computer scope). Maintain and update the...

Project Controls Management South West 6 months - contract - INSIDE IR35 Responsible for managing and undertaking project control elements for a high complexity and high-risk programme. Manage a team delivering Schedule and Risk expertise and provide strategic direction and input into the wider programme via the PMO. Assure the quality and accuracy of all project controls data and artefacts produced and utilised by the programme. Ensure consistent application of Project controls processes and procedures across the programme. Develop schedules towards a Performance Measurement Baseline (PMB) to aid effective performance analysis and project management

Senior Networking & Security Specialist / Technical Lead 📍 Location: Newbury - Hybrid, 1-2 days per week onsite ⏳ Contract: 6 months rolling 🔐 Security Clearance: Active or eligible for UK SC Clearance 💷 Rate: £500-£600 per day, inside IR35 We are looking for an experienced Senior Networking & Security Specialist / Technical Lead to join a high-level technical delivery team, leading the design and hands-on implementation of complex, multi-vendor network and security solutions across enterprise environments. This is a hands-on role combining technical leadership, solution design, implementation and stakeholder engagement. 🔧 Key Responsibilities Lead the design and implementation of complex network and security solutions across greenfield and brownfield environments Produce high-quality HLDs, LLDs, implementation plans and operational runbooks Perform design validation, PoC testing and pre/post-implementation verification Configure, deploy and optimise network and...

Job title: Senior Network Security Architect Rate: £650 per day Inside IR35 Location: Remote (some travel to Newbury required) Contract: 6 months rolling Active SC clearance is required We're looking for an experienced Senior Network & Security Specialist who can be the technical lead to join a high-profile enterprise environment, working across networking, security, data centre fabrics and load balancing. Responsibilities: Lead the design and hands-on implementation of complex network and security solutions Create professional HLDs, LLDs, implementation plans and operational runbooks Work across Cisco, Juniper, Fortinet and F5 technologies Design and troubleshoot Cisco ACI environments, including spine/leaf, multi-site and multi-pod Engineer advanced BGP, OSPF, IS-IS, EIGRP, VXLAN, VLAN, STP, VPC/LACP and QoS solutions Design and implement NGFW, VPN, security policy and HA architectures Deliver F5 L4/L7 load balancing, SSL offload and GSLB Lead PoCs, design...

Network Security Architect Hampshire / Hybrid 6 month contract SC cleared circa £600 per day We are looking for a Senior Networking & Security Specialist to take a technical lead role in the design, implementation and delivery of complex multi-vendor network and security solutions. This is a hands-on position requiring strong expertise across routing & switching, network security, data centre networking and SD-WAN, alongside the ability to produce high-quality technical designs and lead delivery. Key Responsibilities Lead the design and implementation of complex network and security solutions. Produce HLDs, LLDs, implementation plans and operational runbooks. Configure and troubleshoot enterprise and service-provider network infrastructure. Provide technical leadership and act as a senior escalation point. Work with customers, architects, project teams and vendors to deliver solutions. Lead technical discussions and present solutions to technical and non-technical...

QA Test Infrastructure Engineer - Contract - MOD/Defence Somerset| £600 per day | Outside IR35 | DV Security Clearance Required Are you an Infrastructure Test Engineer with strong QA and testing experience across networks, platforms and Infrastructure as Code? This is an opportunity to work on complex Defence and National Security projects, taking responsibility for testing and validating infrastructure before deployment into highly secure production environments. Working alongside Infrastructure Engineers, Architects and DevSecOps specialists, you'll assure infrastructure across physical, virtualised and cloud environments, ensuring it meets the required standards for functionality, resilience and security. What you'll do Create infrastructure-focused test strategies, plans and test cases. Carry out functional, integration, regression, resilience and security testing. Test and validate Infrastructure as Code deployments. Validate physical, virtualised and cloud...

Cyber Security Engagement and Community Coordinator 6-month contract with potential extension £325-£340 per day, neg on experience, Outside IR35 Hybrid - 1 day per week near Slough We are recruiting on behalf of a fantastic global organisation looking for a Cyber Security Engagement and Community Coordinator to join its friendly and collaborative EMEA cyber security team. This is not a deeply technical cyber security role. It is an interesting and varied opportunity for someone with experience in cyber security awareness, communications, events, community engagement or programme coordination who would like to broaden their exposure to cyber security. You will work closely with the EMEA Head of Cyber Security and a fabulous group of colleagues across the UK, Europe and internationally. The environment is supportive, collaborative and genuinely interesting, with plenty of opportunity to get involved in high-profile regional activities. What you'll be doing Helping organise...

The role will support the development of a privacy-preserving generative AI ecosystem designed to protect personal and sensitive corporate data by design, including data residency, anonymisation and secure deployment protocols and principles, as well as model-based data protection achieved during both training and inference time. Working within a multidisciplinary and multi-partner environment, the postholder will research technical concepts core to the program and contribute towards developing them into dependable systems and components that can be used in live settings, while also supporting the broader technical development of the Lab and its collaboration with CODAS and other project partners. Additionally, the postholder will create publishable material based on the work carried out in the program, and attend events such as conferences and workshops to disseminate the progress made. Responsibilities: * Lead or substantially contribute to technical research workstreams...

Data Migration Analyst Short-Term Contract | Approx. 30 Days | Day Rate - Outside IR35 | Remote (UK) About the Role Company is building a brand-new internal contract hub to replace its legacy contract tracking tools. Ahead of the technical build, they need a data-savvy analyst to lead a time-boxed project: extracting, profiling, and migrating their entire back-catalogue of executed contracts into the new repository - cleaned, de-duplicated, and mapped against a proper metadata schema. This is a data quality and data engineering problem as much as anything else. You'll be working across multiple disconnected sources - eSignature platforms, a legacy SQL database, SharePoint, and old ticketing systems - to build a single, reconciled, trustworthy dataset. What You'll Be Doing Source discovery and profiling - inventory every source system, produce actual record/document counts, and assess data quality, access routes, and risk (week one deliverable) Scripted extraction - write and...

Linux Administrator - DV Clearance - 12 Months - Inside IR35 - Reading (Onsite) | My client a leading technology company is looking for a Linux Administrator to join a high-profile programme. This role will focus on supporting and maintaining Linux infrastructure, managing VMware environments, automating administration tasks, and ensuring platform stability, performance and security. Key Skills & Experience: Strong Linux administration experience (RHEL, Rocky Linux or similar) VMware vSphere / ESXi administration Ansible automation Bash / Shell scripting Infrastructure troubleshooting and performance monitoring Security hardening and patch management Networking, storage and permissions management Experience with Docker or Podman beneficial Familiarity with Git and CI/CD practicesDue to the nature of the project and the programme's onboarding timescales, candidates must hold active DV clearance If the role aligns with your experience please apply with your updated CV

Senior Systems Engineer - Secure Digital Platform (SDP) Data & Integration Location: Reading - 3 days onsite / 2 days remote Rate: £65-£71 per hour, inside IR35 Security Clearance: Active SC Clearance required Nationality: Sole British National required Contract: 6 Months + The Role We are seeking an experienced Senior Systems Engineer to support a secure digital platform within a highly regulated defence and aerospace environment. You will be responsible for the design, implementation, operation, support and continuous improvement of enterprise infrastructure, cloud platforms and hosting services. The role provides technical leadership across hybrid environments, ensuring systems are secure, resilient, scalable and aligned with business and programme objectives. You will work across Microsoft Azure, on-premises infrastructure, virtualisation, storage, networking and container platforms including Kubernetes and Red Hat OpenShift. Working closely with security,...

Systems Engineer - Secure Digital Platform (SDP) Data & Integration 📍 Reading (Hybrid - 3 days per week onsite) 💰 £60.00 - £66.96 per hour (Inside IR35) 📅 12-Month Contract 🔒 Active SC Clearance Required 🇬🇧 Sole UK Nationals Only We are seeking an experienced Systems Engineer to join a high-profile Secure Digital Platform (SDP) programme supporting critical UK Defence and Aerospace projects. This is an excellent opportunity to work within a secure environment, delivering and supporting modern enterprise infrastructure across cloud and on-premise platforms. Essential Requirements Active SC Clearance (must already hold current clearance). Sole UK National due to project security requirements. Previous experience within UK Defence, MOD, Defence Digital or Aerospace environments. Ability to work 3 days per week onsite in Reading. The Role Working within the Infrastructure & Platform Services team, you will help support, maintain and enhance enterprise infrastructure,...