Software Engineer
ultra · Maidenhead (GBR) · On-site
Posted Aug 13, 2026
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Company: Ultra Intelligence & Communications
Cyber (UK) Business
Powering Decision
Join the team redefining defense technology. From engineering systems that save lives to leading programs that change the battlefield—find your place in the future of defense.
Cyber Business
Our Cyber business unit is at the forefront of pioneering advanced cryptographic and key management solutions, facilitating the confidential exchange of vital information for customers operating at both tactical and strategic echelons. Join our team and participate in the innovation that ensures the highest security and trust worldwide.
Job Description
The Ultra Engineering function manages a portfolio of specialist capabilities, generating highly differentiated solutions and products by applying electronic, mechanical, and software technologies in demanding and critical environments to meet customer needs. The Software Engineering function in Ultra supports the software development lifecycle consisting of requirements analysis, design, implementation, test and verification in order to deliver software components into projects and products and supports the deployment and maintenance of software components. A professional at this grade possesses knowledge for specific fields and performs structured work assignments. Uses established procedures to solve problems by making judgments and gets work done with quality under moderate supervision. Has limited discretion to vary from established procedures.
Scope
Define, design, develop, document and test embedded and/or application software as part of a software engineering team of 5-20 engineers, within the Cyber UK Business Unit, delivering multiple concurrent research, development and production programmes ranging from tens of £k to several £m.
Responsible for / Key responsibilities
Current: Implement software under the direction of the project’s software lead and engineering software lead.
SFIA Programming / software development: Level 2 Designs, codes, verifies, tests, documents, amends and refactors simple programs/scripts.
Applies agreed standards and tools to achieve a well-engineered result.
Reviews own work
Manage security of information as defined in the Security manual to ensure compliance with Government regulations.
Developing into: Specify requirements, design, implement and test embedded software and/ or application software in accordance with the project software development process to ensure high quality and timely software deliverables.
Apply object-oriented design techniques to enable code re-use and integration with testing frameworks
Review and understand system design artefacts to enable the derivation of software requirements and architecture that meet the high-level system requirements.
Design, document, review and maintain the software design using modelling tools such as RSA and EA, ensuring model can be used for accurate code generation as required.
Develop and maintain…