Snr Principal Systems Engineer

Raytheon Technologies Winnersh, England May 8, 2026

Type Full Time
Pay Not listed
Work Hybrid
Level Senior

As a Snr Principal Systems Engineer in Science, the work centres on supporting Software-in-the-Loop, Hardware-in-the-Loop and full-scale aircraft systems testbed activity, including Iron Bird development and validation. It would suit someone who can bring technical judgement, safe working habits, careful diagnostics, and practical problem-solving to the role.

Where the work sits

Sell up to 5 days per year. Design high-fidelity 6-DOF digital models of complex unmanned systems, accurately representing vehicle dynamics, behaviours and mission performance.

Engineering work involved

Supporting Software-in-the-Loop, Hardware-in-the-Loop and full-scale aircraft systems testbed activity, including Iron Bird development and validation. Implement and compile control and autonomy code onto embedded systems. Repair complex UAS onboard control systems in both lab and field environments.

What helps in this technical role

Technical judgement, safe working habits, careful diagnostics, and practical problem-solving.

Practical details

  • 25 days Annual Leave + Public Holidays + option to buy.
  • Generous Employer Contribution Pension Scheme with 2:1 matched contributions up to 10%.
  • Additional detail: Pension support may be included.

Technical skills and requirements

  • Strong experience using Stateflow for state-machine driven system design.
  • Experience creating automated scripts for test data processing and analysis.
  • Experience developing simulation model test harnesses for verification and validation against requirements.

Job details

  • Benefits mentioned: Pension, Holiday allowance
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