Senior Software Developer

Senior Software Developer

Location: RNAS Yeovilton, Somerset
Salary: £50,000 - £65,000
Working Pattern: Full-time, On-site (Monday to Thursday 08:30-17:00, Friday 08:30-15:00)

Looking for a role where your software expertise directly supports NATO Electronic Warfare training capabilities?

At MASS, we help our customers make better decisions in critical situations. We are looking for a Senior Software Developer to join our team, providing in-hangar support to the NATO Joint Electronic Warfare Core Staff (NATO JEWCS) fleet of Electronic Warfare training assets.

Working within a highly specialised environment, you will play a key role in the development, maintenance and enhancement of Electronic Warfare software and hardware systems, ensuring the continued availability and effectiveness of mission‑critical training capabilities.

This is a hands‑on role that offers the opportunity to work across software development, systems integration, RF technologies and Electronic Warfare applications, supporting both project delivery and operational activities.

What you'll be doing

• Acting as a software subject matter expert, providing development, maintenance and training support to ensure the continued availability, utility and relevance of EW training assets.
• Undertaking integrated software and hardware modifications to enhance Electronic Warfare training capabilities.
• Developing and maintaining control software and Graphical User Interfaces (GUI) / Man Machine Interfaces (MMI).
• Performing configuration management activities for customer-owned source code and bespoke EW application software.
• Supporting trials, evaluation activities and exercises, including occasional deployment to exercise locations or NATO platforms.
• Troubleshooting, investigating and resolving software and hardware issues within complex Electronic Warfare systems.
• Collaborating with engineers, technicians and customers to deliver innovative technical solutions.

General Profile

• Requires in-depth knowledge of principles and practices in at least one of the working areas of software development and basic knowledge of other areas.
• Works with a high degree of autonomy, applying professional judgement and technical expertise to solve complex problems.
• Responds flexibly to emerging challenges and is able to deliver effective solutions with minimal supervision.
• Contributes to the continuous improvement of Electronic Warfare training capabilities and associated systems.

Job Functional Knowledge

• Requires in-depth practical knowledge in at least one of the working areas of software development and basic practical knowledge of other areas.
• Applies software engineering and software development principles to develop, integrate and maintain systems and applications.
• Able to identify faults, investigate root causes and implement effective corrective actions.
• Understands software lifecycle practices, configuration management and system integration activities.

Essential Skills & Experience

• Degree, HND, HNC or equivalent experience in Software Engineering, Computer Science, Electronic Engineering or a related discipline.
• Experience developing, integrating and maintaining software systems.
• C++ and/or C#.
• Experience developing and maintaining software applications within a technical or engineering environment.
• Strong problem‑solving, communication and interpersonal skills.
• Ability to obtain and maintain NATO Secret (NS) Security Clearance
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Desirable Skills & Experience

• LabVIEW developer
• Experience working with API interfaces.
• Knowledge and/or experience working on one or more of: radar/microwave, avionics, communications, electronic warfare. Competency working with RF sub‑systems and associated test equipment.
• Evaluation and testing of RF systems or components.
• Digital and analogue…