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Principal Software Engineer

Job in Luton, Bedfordshire, EX14, England, UK
Listing for: ARM
Contract position
Listed on 2026-05-18
Job specializations:
  • Software Development
    Software Engineer
Job Description & How to Apply Below

Principal Software Engineer

Luton

12-Month Contract

Paying up to 79p/h (Inside IR35)

Please note - due to the nature of the work, you will need to hold or be eligible to obtain a high level of UK Security clearance - please only apply if suitable

Key Responsibilities:

  • Support the specification, design, coding, and testing of complex real-time embedded software in Ada, producing mission-critical quality software, to high integrity levels, company standard,s and customer requirements.
  • Take ownership of complex tasks across the full software lifecycle from requirements to integration, testing, and delivery.
  • Collaborate with hardware, firmware, and systems engineering teams, working closely across disciplines to develop robust solutions whilst maintaining independence in your work.

Required Skillset:

  • Expert knowledge of the Ada software language, including OO design principles.
  • Expert capability in debugging in an embedded real-time environment with a COTS RTOS.
  • Good knowledge of UML.
  • Expert knowledge of a variety of Verification & Validation techniques, and the value of each.
  • Experience of requirements engineering, hands-on integration and target testing.
  • Good knowledge of developing software within a mature development process framework.
  • Defence / EW business domain experience - desirable
  • Experience of Dimensions, DOORS, Rhapsody, VxWorks, Ada Core GNAT Pro & Vector

    CAST.
  • Experience and understanding of development to RTCA/DO-178B or equivalent standards

Disclaimer:

This vacancy is being advertised by either Advanced Resource Managers Limited, Advanced Resource Managers IT Limited or Advanced Resource Managers Engineering Limited ("ARM"). ARM is a specialist talent acquisition and management consultancy. We provide technical contingency recruitment and a portfolio of more complex resource solutions. Our specialist recruitment divisions cover the entire technical arena, including some of the most economically and strategically important industries in the UK and the world today.

We will never send your CV without your permission. Where the role is marked as Outside IR35 in the advertisement this is subject to receipt of a final Status Determination Statement from the end Client and may be subject to change.

Note that applications are not being accepted from your jurisdiction for this job currently via this jobsite. Candidate preferences are the decision of the Employer or Recruiting Agent, and are controlled by them alone.
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