Senior Consultant – Complex Systems Engineering Join Frazer-Nash Consultancy as a Senior Consultant – Complex Systems Engineering. We are working at the forefront of safety-critical, secure, and high-integrity systems. From advanced aerospace projects to national defence programmes, we help clients navigate complexity, assure safety, and deliver high-quality results. Position: Senior Complex Systems Engineer – Digital Systems Assurance team. Location: Bristol, Burton-on-Trent, Glasgow, or Leatherhead Salary: £60,000 – £70,000 (depending on experience) Closing Date: 15th November 2025 – we encourage early applications Shape the Future of High-Integrity Systems Why This Role? Work across some of the UK’s most complex and innovative systems. Collaborate with MOD, OEMs, Primes, and regulators. Shape in-service and next‑gen technology – from autonomous air systems to complex avionics upgrades. Have a voice at the table in both technical direction and strategic decisions. Enjoy the variety and pace of consultancy life – where your skills help clients solve real‑world challenges with systems that must work first time, every time. What You’ll Do

Manage the development and assurance of high-integrity, safety-critical systems Provide systems engineering leadership across complex projects Guide clients through regulatory requirements (e.g., ARP4754A, DO-178C, DO-254) Support design and assurance strategies using MBSE and architecture modelling tools Engage with senior stakeholders to define and deliver impactful solutions Contribute to business development and proposal leadership Play a key role in national programmes (e.g., INVICTUS) and advanced autonomous technologies

We're Looking For Someone With

Experience in developing, assuring, or certifying safety-critical systems (preferably aerospace, defence, or high-integrity domains) Knowledge of key standards: ARP4754A, DO-178C, DO-254, DO-326A, IEC 61508, or MOD DEF STANs (00-055, 00-056) Proficient systems thinking, with tools like Cameo, Sparx EA, SysML/UML, MBSE Effective communication and stakeholder engagement skills A strategic mindset – with the ability to shape programme-level engineering outcomes

It Is Beneficial If You Have

Chartered Engineer (CEng) status (or working towards it) Degree in Systems Engineering, Computer Science, or a related discipline Experience navigating MOD acquisition frameworks or supporting OEMs/Primes

Benefits

Flexible working arrangements Generous holiday entitlement: 25 days (plus bank holidays), with a holiday purchase scheme Company pension scheme Targeted professional development Life assurance Private healthcare membership Performance-linked bonus scheme Paid membership fees to a professional institution Support in attaining professional membership Cycle to work scheme Share purchase scheme Season rail ticket loan

A Note on Security Clearance Due to the nature of our work, candidates who meet UK national security vetting criteria will be required. Seniority level Mid‑Senior level Employment type Full-time Job function Engineering and Information Technology #J-18808-Ljbffr