Senior Electrical Engineer.

At SNC Mission Systems UK we provide tailored mission systems integration and intelligence, surveillance and reconnaissance (ISR) solutions for the UK Government and its allies. Our unique strength is our mission partner approach delivered by people who have first‑hand operational experience. We understand the challenges you face, have the know‑how to overcome them and work with you to succeed. Operating for over a decade, we deliver cutting‑edge capabilities from open‑source intelligence (OSINT) to uncrewed surface vessels and high‑altitude one‑way effectors that deliver true interoperability across all security levels. With our in‑house R&D team, BabelwX®, we deliver innovation at scale and pace. A wholly‑owned subsidiary of SNC, we also leverage their extensive heritage in innovation and advanced technologies to offer solutions of the highest standard and for any circumstance – peacetime or battlefield.

As a Senior Electrical Engineer, you will provide technical leadership across the design, integration, testing, and support of electrical systems used within mission‑critical defence environments. You will play a key role in leading engineering activities, supporting project delivery, mentoring junior engineers, and ensuring systems are delivered to the highest technical, safety, and regulatory standards. This is an excellent opportunity for an experienced engineer looking to work on innovative defence technologies within a collaborative and fast‑paced environment.

Key responsibilities

• Lead the design, development, integration, and implementation of electrical systems for defence and communication platforms.
• Provide technical oversight and guidance across electrical engineering activities throughout the project lifecycle.
• Support the integration of electrical systems into wider network and communication architectures.
• Lead system installation, configuration, testing, and acceptance activities.
• Diagnose and resolve complex electrical and systems‑related issues.
• Produce and review technical documentation including schematics, test procedures, reports, and design packs.
• Ensure compliance with applicable electrical regulations, safety standards, and defence requirements.
• Collaborate with multidisciplinary engineering teams, project managers, suppliers, and customers to deliver integrated solutions.
• Support continuous improvement initiatives, engineering best practice, and innovation activities.
• Mentor and support junior engineers and technicians.
• Contribute technical expertise to bids, proposals, and future capability development activities where required.

Person specification

Qualifications & experience

• Minimum of 5 years’ experience within electrical engineering, ideally within defence, aerospace, communications, systems integration, or other highly regulated environments.
• Experience designing, integrating, and supporting complex electrical systems.
• Strong understanding of electrical engineering principles, system integration, and network infrastructures.
• Experience working with electrical schematics, technical drawings, and engineering documentation.
• Knowledge of relevant UK electrical standards, safety regulations, and compliance requirements.
• Experience supporting testing, fault finding, and system acceptance activities.
• Experience working within project‑based engineering environments.
• Experience within the defence sector and familiarity with secure or mission‑critical systems is highly desirable.

Skills & Abilities

• Strong technical and analytical problem‑solving capability.
• Excellent communication skills with the ability to engage with both technical and non‑technical stakeholders.
• Ability to manage multiple priorities and support project delivery deadlines.
• Strong attention to detail and commitment to engineering quality.
• Collaborative approach with the ability to work effectively across multidisciplinary teams.
• Proactive mindset with a focus on continuous improvement and innovation.
• Comfortable operating within fast‑paced and evolving environments.

Additional information

• Benefits: Excellent benefits package – Salary Sacrifice Car Scheme, Holiday entitlement, 28 per year plus public holidays, Company Sick Pay Scheme, Pension Scheme through Scottish Widows, EAP Scheme via TELUS, Private Medical Scheme with BUPA, Life Assurance, Income Protection, Bike to Work scheme through Cycle scheme, Performance and pro‑rated related bonus up to 10%.
• Work schedule: Full‑time role based in St Athan with occasional travel to business and customer sites, as well as the United States.
• Professional development: SNC MS UK provides sample opportunities for training and development, working on cutting‑edge technologies and projects.
• Support for Armed Forces: SNC MS UK is a proud Armed Forces Covenant member and offers 15 days paid leave for reservists and 5 days paid leave for Cadet Forces Adult Volunteers.

Please be aware that many roles at SNC MS UK are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role, to allow for meaningful security vetting checks.