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# Senior Software Engineer

- **Company:** Ultra
- **Location:** Cheltenham, UK
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** UClibc (C Standard Library), C++ (Programming Language), Software Debugging, Linux, Hardware Interface Design, Hardware-In-The-Loop Simulation, Real-Time Operating Systems, Systems Integration, Git, Yocto
- **Published:** May 31, 2026
- **Apply:** https://www.apply4u.co.uk/jobs/x/37786409/

## About the Role

testing.BenefitsFlexible working within core working hours.25 days holiday (185 hrs) with the option to buy/sell 5 days (37 hrs) plus bank holidays.4 times your annual salary in life assurance.Flexible benefits package.Pension scheme - less than 5 years' service up to 5.5% employer contributions; 5 years' service + up to 7.5% employer contributions.Sports and social club.Supportive and friendly working environment with regular team events.Nationality RequirementsCandidates must be able to work in the UK without restrictions in accordance with UK National Law and be prepared to successfully undertake an appropriate level of UK National Security Vetting according to UK Government National Security Vetting criteria.Diverse & Inclusive EmployerUltra PCS is an equal opportunities employer that values diversity, inclusion, equity and equality. Underpinned by our values, behaviours and policies, we want you to feel empowered to be your best and authentic self. We promote

## Description

code reviews to maintain high-quality standards.Debug in embedded environments.Required Skills and ExperienceTechnical ExpertiseHigh proficiency in C and C++ with cross-compiling and debugging on embedded targets.Embedded Linux knowledge (Yocto, Buildroot).Proficiency in real-time software design and RTOS concepts.CI/CD workflow experience.Experience with Git, containerised development environments, and CI/CD.Familiarity with debugging tools, hardware interfaces, and safety analysis techniques.Personal AttributesStrong organisational skills with the ability to collaborate in a wider team.Excellent communication skills, capable of effectively liaising with technical and non-technical stakeholders.Desirable QualificationsWorking knowledge of Rust.Experience with aerospace systems or similar high-reliability domains.Familiarity with other safety-critical standards (ARP4754, ARINC 653, DO-254, DO-248).Understanding of hardware/software integration and hardware-in-the-loop (HIL)


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