Principal System Engineer

We are currently seeking a Systems Engineer to join an innovative company that specialise in the defence and secure communications sector. This role offers the opportunity to support the delivery of advanced Cyber and Information Assurance solutions. You will play a key role shaping technical solutions, contributing across the full systems engineering lifecycle, and supporting multi-disciplinary product development that will address real-world operational challenges.

Key Responsibilities

• Lead or contribute to systems engineering activities across cyber and Information Assurance (IA) development programmes
• Collaborate with cross-functional teams (hardware, software, FPGA, mechanical) to develop integrated technical solutions
• Define, manage, and maintain system requirements across all engineering disciplines
• Support the full system lifecycle from concept through development, integration, and verification
• Work closely with project leadership to ensure delivery against time, cost, quality, and performance objectives
• Provide technical input into bid and proposal activities
• Engage with stakeholders to clarify requirements and ensure solutions meet end-user needs
• Produce clear, high-quality technical documentation
• Ensure alignment and coherence across all technical areas

Skills & Experience Required

• Experience working across the systems engineering lifecycle (requirements, design, integration, V&V)
• Strong understanding of multi-disciplinary engineering environments, with expertise in at least one area (e.g. software, electronics, FPGA)
• Experience with requirements management tools (e.g. DOORS or similar)
• Ability to apply system-level thinking to complex technical challenges
• Familiarity with systems modelling approaches (e.g. UML, SysML, use cases, trade studies)
• Strong documentation and communication skills
• Degree qualified in a relevant engineering or technical discipline (or equivalent experience)
• Eligibility to obtain UK Security Clearance (SC)
• Experience supporting technical bids and proposals
• Knowledge of environmental and mechanical qualification processes
• Comfortable working in complex, fast-paced environments with competing priorities
• Strong problem-solving ability and attention to detail

What’s on Offer

• Opportunity to work on cutting-edge secure and defence-related technologies
• Exposure to end-to-end product development across advanced systems
• Career development and progression opportunities
• Collaborative and supportive team environment
• Competitive salary and benefits package

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