Are you an experienced Software Engineer ready to take the lead on cutting-edge defence technology? Join a specialist engineering company based in Chertsey, delivering bespoke software and integrated systems for mission-critical military applications.

My client designs, develops, and integrates advanced solutions that operate in some of the most demanding environments. This is an opportunity to work at the forefront of innovation, contributing to projects that truly matter.

As a Senior Software Engineer based in Chertsey, you’ll play a key role in leading the design and delivery of high-integrity software systems. Working closely with multidisciplinary teams, you’ll transform complex system requirements into robust, innovative software solutions.

You’ll also take on a leadership role-guiding, mentoring, and supporting a team of engineers to deliver projects on time, within budget, and to the highest standards.

What you’ll be doing as a Senior Software Engineer based in Chertsey

Lead the architectural and detailed design of software within complex systems

Translate system requirements into effective, high-quality software solutions

Develop and test software (primarily in C++) to industry and company standards

Collaborate with electronics, firmware, and systems engineers to ensure full system integration

Present technical designs internally and to customers at all project stages

Ensure compliance with company processes, standards, and best practices

Support project planning, estimation, and delivery alongside the Project Manager

Manage and mentor a team of software engineers, driving performance and development

Contribute to system integration, verification, validation, and customer acceptance

What we are looking for

Essential:

Strong experience in software architecture and detailed design

Proven background in C++ development and testing

Experience working with Linux and Windows development environments

Familiarity with version control and structured development processes

Experience leading or mentoring software teams

Excellent communication skills and ability to produce clear technical documentation

Experience with UML-based design tools (e.G. Enterprise Architect)

Qualifications & Requirements

Degree in Engineering, Mathematics, Science (or equivalent experience)

Ability to obtain UK SC or DV security clearance

Sole UK nationality

Full UK driving licence

Willingness to travel between Chertsey and Portland as required

What you’ll get

Full lifecycle exposure - shape your career across design, development, and integration

Flexible working hours - core hours with flexibility around your day

Paid overtime or time off in lieu - up to 24 additional days leave per year

Holiday shutdown - enjoy time off over Christmas

Competitive pension scheme

Private medical care - access to a nationwide network of clinics

Training & development - continuous upskilling opportunities

Salary sacrifice schemes - including tech and bike options

Gym benefits - discounts or onsite gym access in Chertsey

Company tech - full home and office setup provided

Relocation support - making your move easier

If you are keen to hear more about this interesting Senior software engineer position for my client based in Chertsey, please send over an updated CV to or call 01582 878839 to discuss the opportunity in more detail.

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