https://jobs.co.uk/job/principal-systems-engineer-addition--d07e0b51-8eb0-4aa7-a166-eb6a9127e316 RSS feed for Principal Systems Engineer at Addition. en-gb Wed, 16 Sep 2026 16:16:21 GMT https://jobs.co.uk/job/principal-systems-engineer-addition--d07e0b51-8eb0-4aa7-a166-eb6a9127e316 https://jobs.co.uk/job/principal-systems-engineer-addition--d07e0b51-8eb0-4aa7-a166-eb6a9127e316 Wed, 16 Sep 2026 11:52:06 GMT Location: Maidenhead | Salary: 10000-500000 Annual | Type: Permanent | Principal Systems Engineer Permanent Full-time Salary DOE Location: Berkshire Working Pattern: Five days per week on-site Clearance: Eligibility for SC clearance and willingness to obtain and maintain DV clearance We''re partnering with a leading organisation within the UK Defence sector to appoint an experienced Principal Systems Engineer. This is an excellent opportunity for a senior engineering professional to provide technical leadership across the full Systems Engineering lifecycle, supporting the delivery of complex, security-critical programmes and working closely with multidisciplinary engineering teams. The Opportunity As Principal Systems Engineer, you''ll lead Systems Engineering activities across complex projects and work packages, providing technical direction across systems, hardware, software and firmware. You''ll play a key role in developing and assuring requirements, architectures, designs and technical documentation, while supporting design reviews, stakeholder engagement and technical risk management. This is a senior position requiring strong Systems Engineering expertise, confident technical leadership and the ability to mentor and develop other engineers.... Permanent