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Senior Software Engineer

STSdefenceGosport, Hampshire🇬🇧United KingdomPosted 25 Sept 2026

Quick Overview

Seniority
Mid Senior
Employment type
Full Time
Work mode
Hybrid
Location
Gosport, Hampshire, United Kingdom
Posted
16 hours ago
ShellBashC#CSSC++HTMLJava

Job Description

The Senior Software Engineer will be a key member of the Systems and Software team within the Programmes area at STS Defence, playing an active role in designing, developing, and maintaining software across the full Software Development Lifecycle; from requirements elicitation through to in-service delivery.

The post will provide technical leadership on software projects for key stakeholders and on software development activities undertaken by the company. This includes responsibility for managing code and quality reviews to ensure relevant quality standards are met across the software team.

The Senior Software Engineer will also assist in support of wider business objectives exploring new technologies for product creation, development and R&D to grow our software development capability stream; and provide support to existing software projects as required.

Duties:

The Senior Software Engineer responsible for co-ordination of day to day software development in a small team

Designing and implementing software changes through change control process as part of spiral development

Continuous improvement of Software Engineering capabilities, maintaining a leading edge capability

Leading the planning, delivery and assurance of software work packages and ensuring software engineering process and best practice followed

Oversight, direction and guidance to the allocated project team members, through the planning and delivery of installation tasks and projects

The provision of software engineering technical input into bid preparation and contracts

Ongoing review and improvement of policies, standards and procedures for software engineering activities

Support project software requirements including supporting customer and other stakeholder meetings as required

The exploitation of opportunities for further business development

Skills/Qualifications:

Degree Qualified (BSc or equivalent) in Software Engineering, Computer Science or equivalent experience

Experience with C++, C#, Java, and web development (HTML, CSS, JS, etc.)

Exposure to other embedded development (Linux, bash/shell scripting, terminal command-line scripts, Qt/QML)

Strong experience architecting cradle-to-grave software solutions including Technology Readiness level (TRL) process

Proven track record with creating and maintaining servers, primarily those with versioning control, Bugzilla, project management capabilities and automated testing capabilities

Strong experience of software development lifecycle processes, ensuring both a quality of process and firm traceability from requirements to implementation

Experience of creating and managing cloud-based big data solutions desirable

Proven track record of working collaboratively with a diverse range of internal and external stakeholders

Additional Information

SECURITY All candidates must be in a position to obtain UK security clearance to SC level. Additional restrictions may apply on certain defence programmes.


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