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    GE

    General Dynamics Missions System International

    Defense and Security

    Principal System Design Engineer

    Oakdale, United KingdomOn-SiteFull-time£59.2k – £80k / yearPosted 1mo ago
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    Job description

    As a Principal Systems Design Engineer, you will be a key engineering lead shaping the architecture and design of advanced C4I systems for critical defence programmes. This role seeks leadership elements for an experienced systems engineer who thrives on solving complex challenges, influencing strategy, and mentoring others. You will drive innovation, ensure technical excellence, and deliver integrated solutions that meet demanding operational requirements.

    • Lead system architecture and design for complex, mission-critical defence systems, translating operational concepts into robust solutions.
    • Define and implement technical strategy, ensuring alignment with programme objectives and future capability needs.
    • Guide design reviews and ensure technical integrity throughout the lifecycle, including integration of specialty disciplines (Safety, Security, Human Factors, ILS, Training).
    • Conduct trade studies, performance modelling, and evaluate emerging technologies to inform strategic decisions.
    • Mentor junior engineers and engage with senior stakeholders, including MoD representatives, to influence programme-level decisions.

    Click here for the full job description

    Essential:

    • Extensive experience in systems engineering and system design leadership.
    • Proven ability to resolve complex design challenges and make strategic trade-offs.
    • Strong track record of leading cross-functional teams and engaging specialist disciplines.
    • Expertise in structured design methods and requirements management.
    • Exceptional communication skills—able to present confidently at senior-level reviews.
    • Skilled in producing high-quality technical documentation and delivering to schedule.
    • Proficiency in Microsoft tools (Word, Excel, PowerPoint, Visio).
    • Proven track record in system architecture and design for complex, mission-critical systems.
    • Experience across the full engineering lifecycle (requirements, design, integration, verification).

    Desirable:

    • Deep understanding of network architectures, OSI model, and open standards.
    • Familiarity with Open and Military Standards and compliance frameworks.
    • Experience with Model-Based Systems Engineering (MBSE), SysML and structured design methodologies.
    • Knowledge of TOGAF or NATO Architecture Framework.
    • Awareness of Safety, Security, and ILS processes within defence programmes.
    • Experience working with or familiarity with AI/ML models is preferred.

    Salary for this position is £59,200 to £80,000, depending on experience plus our excellent flexible benefits package.

    We offer hybrid working - for this role ideally we are looking for an average of 2 days per week per month on site.

    We pride ourselves in being a great place to work with a shared sense of purpose, offering impressive benefits:

    • A compressed nine-day fortnight and compressed hours - which means every other Friday off.
    • A personalized career development plan, alongside regular progress reviews - supporting and valuing your progression within the Company.
    • A flexible working environment where your contributions are recognized and rewarded with flexible benefits

    We believe in maintaining a diverse workplace - inclusive of beliefs, cultural background, job experiences, thoughts and ideas. If who we are and what we do resonates with you, we welcome you to join our inclusive team!

    Our success is fuelled by our colleagues and the wide variety of backgrounds, perspectives, and skills they bring to the Company.

    We are a Disability Confident Employer, as such we offer an interview to disabled people who meet the minimum criteria for the job.
    Please email [email protected] if you would like your application to be considered under the DC Scheme.

    All successful/appointed applicants must be able to obtain a level of UK Security clearance that is appropriate for the role and undertake suitable Right to work checks

    Every application matters to us. We want you to know that each application we receive is reviewed by a real person—not just an algorithm. Our screening questions are also carefully considered to help us understand your experience and fit for the role.

    We appreciate the time you take to apply.

    Job details are sourced from the employer's original posting.

    Open job posting
    GE

    About the company

    General Dynamics Missions System International

    Build bold. Deliver impact. Win together. At General Dynamics Mission Systems–Canada, we’re not just engineering technology — we’re shaping the future of defence and security. Our teams design and deliver advanced, mission-critical solutions that enhance national security, strengthen communities, and protect the people we serve. If you’re looking for meaningful work that contributes to a safer, more secure world, you’ll find purpose here. Every day, your skills will directly impact programs that matter.

    View all General Dynamics Missions System International jobs
    Industry
    Defense and Security
    Open roles
    109

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