Senior Software Engineer

1 day ago


Maidenhead, Windsor and Maidenhead, United Kingdom Ultra I&C Full time £74,000 - £110,000 per year

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, architect, 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

  • Architect, specify requirements, design, implement and test embedded and 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 knowledge of best practice development processes, language standards and tools, e.g. TDD/BDD, Continuous Integration, DevSecOps, static and run-time analysis tools, C/C++ standards and secure software development.
  • Estimate time and effort required for software activities and deliver to these time and effort estimates to ensure cost and schedule adherence.
  • Propose improvements in tools, processes and techniques that support quality and innovation and make the software development more efficient and effective.
  • Actively contribute to and/or lead defined aspects of the project to achieve optimal balance between requirements, schedule and cost.
  • Generate and review technical proposals, and provide accurate estimates for the associated effort, costs and risks, for bids and proposals, leading to contract awards.
  • Explain technically complex concepts clearly to less technical/involved parties.
  • Manage security of information as defined in the Security manual to ensure compliance with Government regulations.
  • SFIA Programming / software development: Level 2-3
  • SFIA Programming / software development: Level 4

  • Designs, codes, verifies, tests, documents, amends and refactors complex programs/scripts and integration software services.

  • Contributes to the selection of the software development methods, tools and techniques.
  • Applies agreed standards and tools to achieve well-engineered outcomes.
  • Participates in reviews of own work and leads reviews of colleagues' work.

Role Requirements

  • Essential:

  • Willing and able to obtain, and maintain, SC security clearance.

  • Willing and able to obtain, and maintain, DV security clearance (following attainment of SC clearance).

Qualifications / Skills Required

  • Essential:

  • Degree in an engineering, mathematical or science-based subject or equivalent experience.

  • Experience of at least one of the following;

  • Embedded product development (including bare-metal and RTOSes such as ThreadX, QNX or Linux)

  • Embedded Linux application, kernel and/or driver development.
  • C / C++

  • Experience of best practice software development processes/lifecycles

  • Experience of Object Oriented Design and Design Patterns
  • Experience of software testing and design for test

  • Desirable:

  • Javascript, ,

  • Python
  • Rust
  • Communications protocols – e.g. TCP/IP
  • Experience of using version control, continuous integration and automated test tools and frameworks
  • Exposure to defensive coding techniques and standards such as MISRA
  • Knowledge of software engineering practices, methodologies, processes, techniques and technology trends
  • Experience of DOORS, RSA, Enterprise Architect, UML and SysML
IC

Notice
Due to the nature of the programs we deliver for our customers, candidates may need to obtain the relevant security clearance or handle export-controlled material as defined by the role's requirements.

Our Benefits
Every employee is critical to our success, and as such, we offer a range of flexible employee benefits, including:

  • Participation in an Annual Bonus Scheme
  • Private Medical Cover
  • 25 days' holiday (plus Bank Holidays) with the option to buy an extra 5 days
  • Pension Contribution
  • 4 x Life Assurance Cover
  • Flexible working hours with opportunity for a 1pm finish on a Friday
  • Flexible benefits including cycle to work scheme, will writing and more
  • Security Clearance Allowance – where relevant and subject to you holding the required security clearance

Diversity, Equity & Inclusion Statement
At Ultra I&C, we are an equal opportunity employer and value diversity and inclusivity. Underpinned by our values, behaviours, and policies, we want you to feel empowered to be the best version of yourself. We also believe that people from different backgrounds and cultures will increase our diversity of thinking, ensuring we successfully deliver to our customers. We, therefore, do not discriminate based on race, religion, colour, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status. We also support requests for flexible working arrangements wherever possible. If you have any issues with your application, please email us at -


  • Software Engineer

    2 weeks ago


    Maidenhead, Windsor and Maidenhead, United Kingdom Wave Talent Full time £60,000 - £85,000 per year

    Full Stack Software Engineer | TypeScript | React | | £60,000–£85,000 | Hybrid (3 Days in Maidenhead)This is an opportunity to join a high-performing engineering team where you will play a key role in delivering modern, reliable software across multiple products. If you enjoy a mixture of hands-on coding, technical ownership and helping others grow,...


  • Maidenhead, Windsor and Maidenhead, United Kingdom BoF Careers Full time £40,000 - £80,000 per year

    Job DescriptionHere at De Beers we are passionate about the work that we do and the challenges in the diamond industry we address. Working within a dedicated product team as part of De Beers Science and Technology, you will be a core part of a multidisciplinary development team. You will use your creativity, passion, and development skills to deliver value...


  • Maidenhead, Windsor and Maidenhead, United Kingdom Sweco Full time £60,000 - £90,000 per year

    Do you have what it takes to transform society?We are currently looking for a talented and motivated Senior Electrical Engineer to join our Building Services design team in our Maidenhead office. You'll be part of a multi-disciplinary department providing detailed Building Services designs for buildings related projects in the UK and overseas. This role can...


  • Maidenhead, Windsor and Maidenhead, United Kingdom Matchtech Full time £100,000 - £140,000 per year

    Principal Systems Engineer – MaidenheadPowering Decision. Protecting the Future.Join the Cyber Team and help shape the next generation of defence and secure communication technologies. The team delivers advanced cryptographic and key-management solutions that protect critical information at tactical and strategic levels.The RoleWe're looking for aPrincipal...

  • Principal Engineer

    2 weeks ago


    Maidenhead, Windsor and Maidenhead, United Kingdom RWS Group Full time £100,000 - £150,000 per year

    This role is a hands-on technical leadership position. You will design and build new services, drive engineering excellence, and help shape our modern delivery culture, delivering working software early and iteratively to real customers. You will set technical direction, establish engineering standards, and mentor engineers as our capability grows.This is an...

  • Engineering Team Lead

    2 weeks ago


    Maidenhead, Windsor and Maidenhead, United Kingdom Wave Talent Full time £60,000 - £120,000 per year

    Engineering Team Lead | TypeScript | React | | AWS | £110, % Bonus | Hybrid (3 Days in Maidenhead)This is an opportunity to step into a hands-on engineering leadership role where your technical judgement, communication skills and delivery focus will shape the next stage of a major digital transformation programme.The organisation is modernising...


  • Maidenhead, Windsor and Maidenhead, United Kingdom Ultra Electronics Full time £60,000 - £100,000 per year

    Company: Ultra Intelligence & CommunicationsCyber (UK) BusinessPowering DecisionJoin 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 BusinessOur Cyber business unit is at the forefront of pioneering advanced cryptographic and key...

  • Principle Engineer

    1 week ago


    Maidenhead, Windsor and Maidenhead, United Kingdom myGwork - LGBTQ+ Business Community Full time £50,000 - £75,000 per year

    This job is with RWS, an inclusive employer and a member of myGwork – the largest global platform for the LGBTQ+ business community. Please do not contact the recruiter directly.Principle Engineer - ProtectJob LocationsUK-Maidenhead | CZ-BrnoPosted Date16 hours ago(20/11/2025 05:20)Job ID # of Openings1CategoryInformation TechnologyBanding5Job PurposeRWS's...

  • Principle Engineer

    2 weeks ago


    Maidenhead, Windsor and Maidenhead, United Kingdom RWS Full time £60,000 - £120,000 per year

    Job PurposeRWS's Protect pillar is in an exciting growth phase, building on a profitable, established foundation while investing in the next generation of products. With strong executive sponsorship, a long-term innovation horizon and a rapidly evolving security and compliance landscape, we are modernising our technology stack, adopting emerging capabilities...


  • Maidenhead, Windsor and Maidenhead, United Kingdom b10bfc30-7831-4ab4-9ba0-74f06ff0f5f6 Full time £50,000 - £60,000 per year

    Become part of our society.Sweco's integrated building services engineering & consultancy solutions fuse ESG-focused performance advisory with innovative, wellbeing-first design.Our highly regarded mechanical, electrical and public health experts, sustainability teams and certification specialists collaborate with clients across the UK to transform vision...