System Engineer

Systems Engineer - Defence / MOD Programme

• Location: Cheltenham (3-4 days onsite per week)
• Duration: 12 months +
• Start Date: ASAP
• Hours: 37.5 per week
• Hourly Rate: £100 Per hour Inside IR35

Are you a high-calibre System Engineer looking to support a major MOD defence programme, contributing to the design, integration, and assurance of complex, mission-critical systems that underpin national security.
This is a rare opportunity to work at the forefront of secure systems engineering in a highly regulated defence environment, where your expertise will directly influence the resilience, performance, and safety of next-generation systems.
You will join a collaborative, multidisciplinary engineering team operating at the intersection of systems engineering, digital transformation, and secure infrastructure delivery.

Key Responsibilities
System Design & Engineering

• Design end-to-end system solutions aligned to functional, non-functional, and operational requirements
• Develop and maintain system architectures, technical specifications, and interface control documentation
• Support system build, configuration, integration, testing, and deployment activities across complex environments
• Integration & Technical Assurance
• Integrate systems across infrastructure, applications, networks, and secure services
• Ensure compliance with security, resilience, and MOD-grade assurance standards
• Identify, assess, and manage technical risks, dependencies, and system-level issues

Operations & Through-Life Support

• Support systems through transition into live service and operational environments
• Diagnose and resolve complex system performance and reliability issues
• Provide technical input into change, incident, and problem management processe

Stakeholder & Delivery Collaboration

• Translate operational and business requirements into robust technical solutions
• Collaborate with architects, engineers, developers, delivery managers, and defence stakeholders
• Communicate complex engineering concepts clearly across both technical and non-technical audiences

Essential Skills & Experience

• Proven experience as a System Engineer (or similar systems-focused technical role)
• Strong understanding of full system lifecycle delivery (requirements through to live operation)
• Experience integrating systems in complex, multi-technology environments
• Strong troubleshooting, analytical, and problem-solving capability
• Excellent written and verbal communication skills

Desirable Skills & Experience

• Experience with cloud, hybrid, or distributed system architectures
• Exposure to secure, regulated, defence, or mission-critical environments
• Knowledge of systems engineering, enterprise architecture, or service management frameworks
• Experience working in Agile, DevOps, or iterative delivery environments

Qualifications

• Degree (or equivalent experience) in Engineering, Computer Science, or a related discipline
• Relevant systems engineering or technical certifications (desirable)
• SFIA 4-5

Please note that this role requires an active UK Security Clearance.
If you are qualified and interested, please apply or email (url removed)