Senior System Engineer

UK CITIZENSHIP REQUIRED FOR THIS POSITION: Yes

RELOCATION ASSISTANCE: No relocation assistance available

TRAVEL: Yes, 10% of the Time

What's your possible? At Northrop Grumman UK, you are part of a team driving innovation where it matters most, solving tomorrow's challenges and shaping the technology solutions of the future. We call it Defining Possible. This mindset goes beyond the solutions we deliver to our customers. It underpins how we invest in our people, support career growth, and create opportunities to make a meaningful impact in the communities where we live and work. This is more than just a job. It's a mission.

We are looking for a Senior Systems Engineer to join our Multi‑Domain Integration (MDI) Systems Engineering team, supporting some of the UK's most critical defence and maritime programmes. Working within a highly collaborative engineering environment, you will play a key role in delivering complex mission systems from concept through to deployment and in-service support. You will help shape technical solutions that directly contribute to national security, while working alongside software, test and systems specialists who are passionate about engineering excellence.

As a senior member of the team, you will lead systems engineering activities across the full engineering lifecycle, ensuring programmes are delivered to the required scope, schedule and quality standards. You will also work closely with customers, suppliers and internal stakeholders to drive successful programme outcomes in a regulated and safety-critical environment.

What You'll Do

• Lead systems engineering activities across the full Systems Engineering V‑Lifecycle, from concept definition through to delivery and in-service support
• Develop, review and maintain key technical documentation, ensuring delivery against programme schedules
• Plan and successfully deliver major design reviews, including SDR, PDR and CDR milestones
• Manage technical interfaces with suppliers, ensuring requirements, designs and baselines remain aligned
• Review and challenge customer and supplier technical documentation to maintain quality and compliance standards
• Support and lead technical reviews and stakeholder engagements with customers, partners and suppliers
• Contribute to systems integration, verification, validation, safety and acceptance activities across mission‑critical programmes

What We're Looking For

We're interested in engineers who bring strong systems thinking, technical leadership and experience delivering complex solutions within regulated industries.

Essential experience and qualifications:

• Degree qualified in Electrical Engineering, Systems Engineering or a related technical discipline
• Significant experience in a Systems Engineering role within defence, maritime, aerospace or another highly regulated sector
• Strong understanding of systems requirements management, design, integration, verification, validation and acceptance
• Experience working with engineering safety‑related systems, including SIL 2/SIL 3 environments and IEC 61508 standards
• Knowledge of Systems Engineering methodologies, models and best practice
• Proven ability to influence, engage and collaborate effectively with stakeholders at all levels

Desirable:

• Experience supporting complex command‑and‑control, mission systems or defence platforms
• Experience managing supplier technical deliverables and design baselines
• Familiarity with customer‑facing engineering reviews and governance processes

Security Clearance

Due to the nature of our work, you must be a UK national and able to gain and maintain UK Government Security Check (SC) clearance in line with the role requirements. Clearance is not required to start employment.

Benefits

• Flexible and hybrid working arrangements
• Compressed fortnight working pattern available, including every other Friday off where programme commitments allow
• Private healthcare, dental cover, life assurance and pension
• Flexible benefits package including critical illness cover, health cash plan and health assessments
• Holiday buy and sell scheme
• Annual performance incentive programme
• Professional development, training and career progression opportunities
• Opportunities to work on meaningful programmes that directly support UK national security

Why Join Us?

A Mission to Believe In Every day, our people contribute to building a more secure and connected world. Whether supporting the UK Defence business, developing mission systems or helping modernise critical national infrastructure, your work will have real purpose and impact. You'll also have opportunities to support STEM initiatives, volunteering programmes and employee networks that strengthen our communities.

A Place to Belong and Thrive Our engineering community is built on collaboration, respect and inclusion. We are proud of the diversity of experiences and perspectives within our teams and are committed to creating an environment where everyone can contribute, grow and succeed.

Your Career, Your Way With approximately 60 engineers spanning software, systems and test disciplines, you'll be surrounded by experts who are committed to helping one another develop. Our matrix organisation provides exposure to a wide range of programmes, technologies and career pathways, giving you the opportunity to continuously broaden your skills and discover your possible.

Northrop Grumman is committed to hiring and retaining a diverse workforce, and encourages individuals from all backgrounds and all abilities to apply and consider becoming a part of our diverse and inclusive workforce.

Northrop Grumman UK. Define Possible. We're continuing to grow across the UK and are always looking for talented people who want to help define what's possible.

Northrop Grumman careers and internships are as varied as your interests, with a lifetime of potential that will give you every opportunity to do your best work. Working together with people from many backgrounds, personal passions and disciplines, we share a drive to push the boundaries of science, technology and engineering to meet the ever evolving needs of our customers worldwide. We are a pioneering company. With careers across all areas: air, cyber, land, sea and space - our 90,000 employees work as one to defend and define the future.