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Project Engineer, Systems Engineer

Job in St Athan, Barry, Vale of Glamorgan, CF62, Wales, UK
Listing for: Sierra Nevada Corporation Mission Systems UK Ltd
Full Time position
Listed on 2026-10-18
Job specializations:
  • Engineering
    Systems Engineer
Salary/Wage Range or Industry Benchmark: 42000 - 64000 GBP Yearly GBP 42000.00 64000.00 YEAR
Job Description & How to Apply Below
Location: St Athan

Project Engineer

We are looking for a Project Engineer to join us at SNC Mission Systems UK in St Athan. We provide tailored mission systems integration and intelligence, surveillance and reconnaissance (ISR) solutions for the UK Government and its allies.

Our unique strength is our mission partner approach delivered by people who have first-hand operational experience. We understand the challenges, have theknow-howto overcome them, and work together to succeed.

Operating for over a decade, we deliver cutting-edge capabilities from open-source intelligence (OSINT) to uncrewed surface vessels and high-altitude one-way effectors that deliver true interoperability across all security levels.

As Project Engineer you will support the delivery of secure, reliable communications and information system solutions in complex operational environments. Working with programme managers, engineers, customers and suppliers, you will help translate requirements into practical solutions, coordinate engineering activities, support integration and delivery, and produce key technical documentation.

You will act as a technical point of contact throughout the project lifecycle, helping manage risks, assurance, acceptance and compliance with relevant Defence standards and security requirements. This role offers the opportunity to contribute to high-impact projects from concept through to operational use, ensuring solutions are delivered safely, effectively and to a high standard.

Some of your responsibilities include...
  • Act as the primary technical interface between SNCMS UK, customers, suppliers, delivery partners and internal project teams
  • Translate customer and operational needs into clear, achievable and traceable engineering requirements.
  • Plan, coordinate and monitor assigned engineering activities throughout the project lifecycle.

Occasional travel is part of the role and depends on the weekly priorities. Certain periods will require you to be on site in Bristol for customer engagement or St Athan for engineering planning and supporting test trials or evaluation.

It is essential that you have...
  • Degree, HNC/HND, apprenticeship, or equivalent experience in a relevant engineering discipline.
  • Experience supporting engineering or technical projects through the project lifecycle.
  • Ability to translate customer requirements into practical technical solutions.
  • Experience producing technical documentation and project records.
  • Strong communication and stakeholder management skills.
  • Strong analytical, problem-solving and organisational abilities.
  • Ability to work effectively with customers, suppliers and multidisciplinary teams.
Ideally, you have...
  • Experience with in Defence, aerospace, secure communications, C5

    ISR, CEMA or mission systems environments.
  • Knowledge of MoD, NATO or Defence standards and processes.
  • Experience with secure communications, networks, RF, encryption or satellite systems.
  • Experience supporting product development or product ownership activities.
What we offer…
  • 28 holidays
  • Competitive pension scheme (we contribute 10%, you contribute 5%)
  • Tusker car scheme (salary sacrifice)
  • Employeeassistanceprogramme Scheme via TELUS
  • Private medical scheme via BUPA
  • Discounts on eye tests,glasses and contact lenses
  • Life Assurance
  • Dental health plan (claim back money towards routine & restorative treatments)
  • Cycle to work scheme
  • Sage employee benefits including high street, health & wellbeing discounts
  • Income protection

Please be aware that many roles at SNC MS UK are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard.

Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role, to allow for meaningful security vetting checks.

SNC MS UK is an equal opportunity employer and values diversity. We encourage applications from all qualified individuals.

If you have an accessibility need, disability, condition or need any additional support that means you might require changes to the application or recruitment process (for example, you might need to submit your application in a different format), please get in touch with our Talent Team at  We are here…

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