Principal Systems Engineer jobs in Stevenage

You will be represented by a specialist technical recruiter who will guide you through each stage of the process.

You will be responsible for leading data link systems engineering work on a new weapons system programme, interfacing with both suppliers and customers, and providing technical leadership for ju...

Principal Systems Engineer Location: Stevenage or Bristol (Hybrid 2–3 Days Per Week) Job Type: Permanent Salary: Up to £65,000 Overview An excellent opportunity has arisen for a Systems Engineer to join a leading defence engineering programme working on some of the UK’s most advanced and secure systems. We are hiring across two core focus areas : Governance & Process Specialists – Expertise in...

Airborne Launcher Functional Systems Engineer Location: Bristol/Stevenage, 2-3 days on site Duration: 6 Months Rate: Up to £70 ph Umbrella SC Clearance required Responsibilities: - Analyse high level design documentation to elaborate and capture required sub-system functional behaviour - Review evidence and produce certification statements - Build good working relationships with...

Job Description Satellite AIT Electrical Systems Engineer - £55ph via Umbrella, 37-hour week + paid overtime - Initial 12-month contract with extensions likely - Full-time, on-site in Stevenage - Work on advanced spacecraft systems in a secure and high-tech environment - SC Clearance required ABOUT THE CLIENT: Our client is a global leader in aerospace and defence innovation, delivering...

You will support in reverse engineering and deep understanding of vulnerabilities, including impact analysis and automation.

You must relish the challenge of findings critical vulnerabilities in complex software binaries through automation and manual practices. Creativity is highly valued; being able to find novel vulnerabilities is essential in this role.

You will be involved in: - Take ownership of delivering packages of thermal analysis work - Provide mechanical analysis support to develop designs and deliver thermal performance evidence - Deliver analysis evidence in clear reports with firm conclusion statements - Participate in team meetings and design reviews

World Class Defence Organisation based in Stevenage, Hertfordshire is currently looking to recruit a Principal Thermal Engineer Subcontractor on an initial 12 month contract. Hourly Rate: £50.00 Overtime Rate: Hours worked over the standard 37 hours per week, will be paid at time and a quarter Location: Stevenage Hybrid / Remote working: The role will likely be onsite 3 days per week. Duration:...

Principal Scene Generation Engineer Location: Stevenage or Bristol Salary: £45,000 – £65,000 (depending on experience) Contract: Full time, Permanent | SC Eligible (British Citizenship Required) Hybrid Working: 3-4 days per week on-site We’re looking for a Principal Scene Generation Engineer to join a growing team developing advanced modelling and simulation capabilities that replicate...

You will be the 'architect of the satellite's brain,' managing the end-to-end data chain from sensors to transmitters. This role bridges the gap between high-level mission design and hardware implementation, requirin...

You will be responsible for the electrical architecture and requirements for missiles and/or their associated launcher systems with duties including: - Specifying/determining - system electrical requirements - interface definitions and characteristics between subsystems/equipment

Principal Software Engineer Fully Remote | Permanent | Competitive Salary + Benefits Harrington Starr has partnered with a leading Global Payments Technology company who are seeking to hire a Principal Software Engineer to join their senior engineering leadership team. This is a rare opportunity to combine hands-on development with strategic influence, guiding architecture decisions and shaping...

You will define technical strategy, design scalable data systems, mentor senior engineers, and partner closely with product, engineering, analytics, and business leaders to transform strategic goals into robust, data-driven solutions.

Contract – 8 Months Inside IR35 Remote – UK Power Systems Consultant (EMT & RMS Studies) The consultant will support power system projects across multiple phases by delivering high-quality electrical studies and technical documentation. Key Responsibilities - Develop and validate EMT and RMS models for assets such as WTGs, PPCs, and STATCOMs. - Plan and execute design and Grid Code...

You will be a vital part of this evolution, contributing your expertise to our strategy and helping us redefine what services we offer our clients.

You will ensure buildings are designed to minimise fire risks, through contributing to the development of fire strategy reports, calculations and fire risk assessments.

Systems Engineer - Undergraduate Placement 2026 Salary: £23,495 Dynamic (Hybrid Working): Up to 5 days per week on-site dependant on workload and/or classification Security clearance: British Citizen or a Dual UK national with British citizenship. Restrictions and/or limitations relating to nationality and/or rights to work may apply. As a minimum and after offer stage, all successful...

World Class Defence Organisation based in Stevenage and Bristol is currently looking to recruit a Systems Engineer subcontractor on an initial 6 month contract. The department are looking for Systems Engineers ideally from the defence / aerospace background. Previous experience of DOORS is required. Hourly Rate: £70.00ph (Umbrella). Overtime Rate: Hours worked over the standard 37 hours per...

Space Satellite Systems Engineer - OBDH The Digital System Engineer is tasked with electrical engineering responsibilities associated with various System Components: - On-Board Computer (OBC) - Remote Interface Unit (RIU) - Mass Memory & Formatting Unit (MMFU) - Other digital equipment as required, such as Instrument Control Unit (ICU) or Authenticating Unit (AU), among others. This role...

You will be responsible for defining and owning the electrical architecture and requirements for complex platforms and/or associated launch or deployment systems. Key activities include: - Defining system-level electrical requirements - Specifying and managing interfaces between subsystems and equipment

You should also expect to work across the full stack and every stage of the product lifecycle, from system design through to build, test, deployment and supporting systems in production, so you should be skilled in practices like TDD, CI/CD, IaC and Observability.