Principal Software Engineer

Location: Isle of Wight – Cowes. Enjoy the flexibility of part-time hours and the option to accrue hours. We’re excited to discuss how we can accommodate your needs!

Salary: Up to £75,900, based on your skills and experience.

As a Principal Software Engineer, you will play a pivotal role in shaping our software solutions. Your responsibilities will include:

• Deriving and maintaining software requirements from a baseline of systems requirements.
• Producing and maintaining software designs that meet specified requirements.
• Transforming designs into deliverable software solutions.
• Conducting peer reviews and verifying solutions across Maritime Services.
• Leading technical reviews and authorizing software engineering designs.
• Acting as a technical lead for software solutions at the sub-system level.
• Maintaining software solutions to address defects and introduce new functionalities.
• Supporting the development of individuals and teams to enhance skills and competencies.
• Assisting in the creation of software estimates for sub-systems.

We’re looking for candidates who bring a wealth of experience and knowledge:

• Proficiency in at least one high-level programming language.
• Extensive experience with high-level design methodologies, including UML.
• Strong understanding of the software lifecycle and various lifecycle models (e.g., Waterfall, Agile).
• A BEng/BSc in Computer Science or a relevant engineering or numerate subject.
• Familiarity with software standards (e.g., ISO/IEC/IEE 12207).
• Knowledge of Ada95 is a plus.
• Chartered Engineer (CEng) status or working towards it.
• Comprehensive understanding of configuration management and experience with related tools.
• Experience with model-based techniques is advantageous.

At BAE Systems, we offer more than just a job; we provide a pathway to growth and development:

• Competitive Benefits: Enjoy a robust pension scheme, employee share plans, and a wide range of flexible health and lifestyle benefits, including a green car scheme and private health plans.
• Growth Opportunities: Be part of the Sampson Radar Software team, a dynamic group dedicated to supporting the Royal Navy. You’ll have the chance to enhance your skills and potentially step into senior roles within our global business.
• Inclusive Culture: We value diversity and are committed to creating an inclusive environment where everyone can thrive. If you have a disability or health condition that may affect your performance, we encourage you to discuss potential adjustments with us.

Please note that many roles at BAE Systems are subject to security and export control restrictions. Factors such as nationality and residency may affect your eligibility for certain positions. All applicants must meet the Baseline Personnel Security Standard, with many roles requiring higher levels of National Security Vetting.

Closing Date: 25th November 2025. We may close this vacancy early if we receive sufficient applications, so don’t wait—apply today!

Join us and make a real difference in a supportive and innovative environment!