C++ Software Engineer
Possible
Sponsorship likelihood
This employer issued few or no visas recently
Not disclosed
Salary
Not disclosed by employer
£54,700
Going rate
Skilled Worker going rate
This role likely qualifies for a Skilled Worker visa
SOC 2134 (90% match) is an eligible occupation, with a going rate of £54,700, and L3Harris Commercial Training Solutions Limited is a licensed sponsor. That is our reading of the rules. Whether they issue a Certificate of Sponsorship is still their call.
New graduate or PhD holder? Pick one of the lower rates.
What each route needs for this job
| Occupation code | New entrant 70% of going rate | STEM PhD 80% of going rate | Relevant PhD 90% of going rate | Standard rate 100% of going rate |
|---|---|---|---|---|
2134 Programmers and software development professionals Most likely code | £38,300 | £43,700 | £49,200 | £54,700 |
2129 Engineering professionals not elsewhere classified Also possible | £33,400 | £36,900 | £41,500 | £46,100 |
We use the lowest threshold across the plausible codes. Likelihood is Possible at most when the pay clears only a lower rate, or only under a less likely code. How the Home Office picks the code
About the role
Job Title – C++ Software Engineer
Job Location – Portchester, UK
Job ID – 44403
About this opportunity and L3Harris UK
Operating at 10 sites in the United Kingdom, L3Harris supports Britain's mission to secure and strengthen the country by delivering sovereign innovation across the space, air, land, sea and cyber domains.
L3Harris in Portchester is part of our Maritime UK business - a leading global supplier of integrated marine control systems and simulation products for warships, submarines and high-end commercial marine vessels worldwide. Our Maritime UK business has 4 UK locations and together we are powering the Royal Navy’s adoption of autonomous surface vehicle technology as well as delivering autonomous capability to UK ports, harbours and offshore energy service providers.
Join our Maritime Global Systems team and play a key role in delivering next-generation digital maritime solutions across vessels and offshore assets worldwide. We are seeking a skilled Software Engineer with experience in C++ development and exposure to Ruby to join our growing ASV Software Engineering team. The successful candidate will contribute to the design, development, integration, and sustainment of software solutions supporting maritime autonomy, collision avoidance systems, and other mission-critical applications. Working within a collaborative Agile environment, the role will support both current programmes and future technology development initiatives, including IRAD activities and customer-funded projects. The position offers the opportunity to work across the full software lifecycle while contributing to innovative maritime technologies.
A few of our employee benefits are:
- Hybrid working where possible, three days onsite per week
- Flexible or part-time working arrangements considered upon request
- Half day finish on a Friday
What the role will involve
The responsibilities of your role will include the following:
- Design, develop and maintain software applications using C++ and Ruby.
- Support Collision Avoidance (CA), autonomy and other maritime software development activities.
- Contribute to software architecture, implementation, integration, testing and sustainment activities.
- Collaborate with systems engineers, UX designers, QA engineers and product stakeholders to deliver high-quality software solutions.
- Participate in Agile software development processes, including sprint planning, reviews and retrospectives.
- Utilise JIRA and related development tools to manage tasks and track progress.
- Contribute to Qt-based user interface development where required.
- Develop and support software solutions within Linux (RHEL 8) environments.
- Support IRAD activities, prototyping, technology development and future customer programmes.
- Work closely with integration and test teams to resolve issues and support programme delivery.
What you’ll bring
The role requires the following experience and skills:
- Bachelor’s degree in Computer science, Software Engineering, or equivalent practical experience.
Preferred Additional Skills:
- Experience with the Qt framework for GUI development.
- Understanding of UX principles and user-centred design.
- Experience with maritime software systems, autonomy or collision avoidance technologies.
- Experience with embedded or real-time software development.
- Experience supporting IRAD or research and development activities.
- Familiarity with DevOps practices, CI/CD pipelines and automated testing approaches.
Important to know
Applicants who accept a conditional offer of employment must meet the requirement of right to work in the UK and must meet eligibility requirements for access to classified information and will be subject to government security checks.
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This description is the source posting as it read when we added it. We are not affiliated with L3Harris Commercial Training Solutions Limited, so check their own site for the current details.
Where this offer sits in the market
Programmers and software development professionals (SOC 2134) · UK · ONS ASHE 2025 · basic pay · ~399k in sample- Middle half £42,536–76,752
- Median £56,784
- Going rate £54,700
- Threshold £41,700
- New entrant £38,300–49,200
Similar sponsored roles
See all UK visa jobsAbout sponsorship for this role
Does this job guarantee visa sponsorship?
Not necessarily. L3Harris Commercial Training Solutions Limited holds a sponsor licence, but sponsorship for a specific hire is always the employer's decision. Be upfront in your application that you'll require it.
What salary is needed for this role to be eligible?
The offer must clear both the general threshold and the SOC 2134 going rate of £54,700. New-entrant and shortage discounts can lower it.