Principal Mission & Complex Systems Engineer​/Consultant

Department: Technical Capability

Employment Type: Full Time

Location: United Kingdom

Reporting To: Mick Dewhirst

Job Title:
Principal Mission & Complex Systems Engineer / Consultant

Contract Type:
Permanent

Flexibility: Full-time role, with flexible working considered in line with business and customer needs.

We understand that everyone’s circumstances are different, so we’re always happy to discuss what flexibility might look like for you. While we can’t guarantee every request, we will always listen and explore options that support both you and the needs of the role.

Location:

• UK location flexible, with attendance at BMT and customer sites determined by assigned work.
• Office, remote and hybrid working may be considered subject to customer, security and delivery requirements.

The post-holder must be able to obtain and maintain the level of UK security clearance required for assigned work. Individual assignments may carry additional nationality, residency or vetting requirements.

BMT is dedicated to solving some of the most important engineering challenges of our time. Our people use their technical excellence to deliver practical, meaningful solutions that make a real difference.

We are committed to building a safer, more efficient, and more sustainable future. Diversity, equity, and inclusion are central to our mission, shaping our culture and supporting our purpose. Learn more about us at www.bmt.org
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Joining BMT means joining a company that invests in you. As an Employee Benefit Trust (EBT) organisation, we’re independent and free from external shareholders — allowing us to reinvest in our people and make decisions that support long‑term success.

You’ll have access to a wide range of benefits that support your health, family life, financial wellbeing, and personal development, including:

• Private Medical Insurance (including family cover)
• Enhanced Pension
• 18 weeks’ enhanced maternity pay (after 1 year’s service)
• Family‑friendly policies
• Inclusive and supportive culture
• Annual Wellbeing Fund for hobbies and personal interests
• 26 days' annual leave plus bank holidays
• Holiday trading
• Retail and lifestyle discounts
• Professional subscriptions paid

As a Principal Mission & Complex Systems Engineer / Consultant, you’ll take a senior technical and consultancy role in delivering complex, mission-critical and operational systems. Combining Mission & Complex Systems expertise with Systems Engineering, Cyber and other specialist disciplines, you’ll lead technically challenging assignments and substantial work packages with a high degree of autonomy. You’ll work across the engineering lifecycle, from development and integration through assurance and in-service evolution, translating complex operational needs and evidence into clear engineering strategies, solutions and defensible recommendations.

You’ll build trusted relationships with senior customers, shape delivery approaches and provide authoritative technical advice, while contributing to bids, proposals and future opportunities. You’ll also play an important role in strengthening our Operational Systems capability through mentoring, recruitment, skills development, professional communities, innovation and the development of reusable methods and assets.

You’ll be a recognised senior Mission & Complex Systems practitioner with substantial experience in complex operational systems engineering, technical consultancy, integration, assurance or acquisition. You’ll bring strong systems thinking and system‑of‑systems expertise, with the ability to translate complex operational needs into clear, practical and deliverable engineering outcomes. Comfortable…