Principal Systems Engineer

Principal Systems Engineer | Gosport, United Kingdom | On-site | £58,000 (dependent on skills and experience) + 10% bonus

This employer is a globally recognised leader in advanced defence, aerospace, and security solutions. They are committed to pioneering progress and protecting what matters most, offering a career with purpose and limitless possibilities in a supportive and inclusive environment. Join a team that shapes a safer future through innovative technology.

The Role

• Apply Systems Thinking to understand complex problem spaces, manage constraints, and balance trade-offs.
• Shape system architectures and interfaces, ensuring clear definition of system interactions.
• Provide strong Requirements Leadership and Management by capturing, decomposing, and agreeing requirements, maintaining traceability.
• Champion Model-Based Systems Engineering (MBSE) by modeling system behaviour, structure, and interfaces.
• Contribute to Lifecycle Delivery & Systems Integration by tailoring processes and planning integration activities.
• Provide technical leadership, engage with customers and suppliers, and mentor engineers.

What You'll Need

• Strong experience in applying systems engineering across the lifecycle, including requirements management, architecture definition, integration, MBSE, and V&V.
• Experience with high-level design methodologies and architectures (e.g., UAF, NAF, TOGAF, SysML, UML) and practical MBSE capability using tools like Enterprise Architect.
• Experience using requirements and interface management toolsets (e.g., DOORS).
• Knowledge of applying Systems Engineering standards and principles, including ISO 15288.
• Exposure to system integration and verification activities.
• Degree-qualified (or equivalent experience) in a STEM or systems-related discipline, working towards CEng or operating at that capability level.

What's On Offer

• A career with purpose and opportunities for growth and advancement.
• Lifelong learning and support for professional development.
• Competitive salary and bonus structure.
• Recognition for contributions and a supportive, inclusive culture.

Apply via Haystack today!