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Principal Systems Engineer

BAE SystemsPetersfield, Hampshire🇬🇧United KingdomPosted 25 Mar 2026

Why This Role Stands Out

As a Principal Systems Engineer at BAE Systems, you'll tackle complex, multi-domain challenges, shaping the architecture of cutting-edge defence and aerospace solutions and driving progress in a globally recognized company. This role is ideal for experienced systems engineers passionate about leadership, MBSE, and making a significant impact, offering up to £58,000 with a 10% bonus. Embrace this opportunity to advance your career in a dynamic and forward-thinking environment.

Quick Overview

Work Type
On Site
Level
Leader

Job Description

Principal Systems Engineer | Petersfield, United Kingdom | On-site | Up to £58,000 + 10% bonus

This employer is a globally recognised leader in defence, aerospace, and security solutions, dedicated to pioneering progress and protecting what matters. They offer a dynamic environment where cutting-edge technology meets a commitment to building a safer future for all. Join a global colleague network and be trusted to play a pivotal role in delivering advanced solutions.

The Role

  • Apply Systems Thinking to understand complex problem spaces, manage constraints, and balance trade-offs.
  • Lead and manage requirements, including capturing, decomposing, and agreeing to them with traceability.
  • Champion Model-Based Systems Engineering (MBSE) by modelling system behaviour, structure, and interfaces.
  • Contribute to lifecycle delivery and systems integration, including tailoring processes and planning integration.
  • Provide technical leadership, acting as a technical authority and engaging with customers and suppliers.
  • Mentor and coach engineers, promoting best practices and embodying company values.

What You'll Need

  • Strong experience in 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) for traceability and interface control.
  • Knowledge of applying systems engineering standards and principles, such as ISO 15288.
  • Degree qualified (or equivalent experience) in a STEM or systems-related discipline, working towards or operating at CEng level.
  • Exposure to system integration and verification activities.

What's On Offer

  • A career with purpose and limitless possibilities in advanced technology sectors.
  • Opportunities for lifelong learning and meaningful work that allows for career growth.
  • Recognition for contributions and rewards tailored to individual and family needs.
  • A supportive culture committed to building an inclusive workplace where everyone can thrive.

Apply via Haystack today!

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