Embedded Software Engineer

SII Group delivers Digital Services, IT, Engineering, and Consulting to diverse industries, enabling digital transformation through our commitment to Growth, People, and CSR.

With over 16,000 professionals across 21 countries, we’re recognised as a “Great Place to Work” for fostering a high-trust culture. Our core values of Trust, Commitment, Accountability, Passion,  Creativity, and Transparency drive our work package delivery, ensuring we meet and exceed client expectations as a committed partner.

Since 2016, SII UK has supported top Aerospace & Defence, Aviation, Transportation, and Finance clients, empowering digital transformation with industry-leading engineering expertise.

Let’s Tech Together is our promise to encourage innovation and teamwork. We support our engineers with development opportunities and a collaborative, inclusive environment where every voice is valued and empowered.

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THE OPPORTUNITY

We are looking for a Senior Autonomous Embedded C Engineer to develop and enhance the code for payload software in communication satellites. This role requires hands-on development in embedded C, working closely with hardware and systems teams to ensure the software meets performance and reliability standards.

KEY RESPONSIBILITIES:

• Develop and maintain embedded C code for satellite payload systems.
• Collaborate with systems engineers and hardware teams to ensure smooth integration.
• Optimise and troubleshoot software to meet stringent performance criteria.
• Participate in code reviews, unit testing, and system testing to ensure quality.
• Onsite presence required for 3 days per week for collaboration and system testing.

SKILLS:

• Proven experience in embedded C software development.
• Strong background in satellite communication or mission-critical systems.
• Familiarity with real-time operating systems (RTOS).
• Experience with payload software development and testing methodologies.
• Excellent problem-solving and debugging skills.

Desirable Skills:

• Knowledge of satellite payload architectures and communication protocols.
• Familiarity with Git, JIRA, and CI/CD pipelines.
• Experience in autonomous software systems or machine learning in embedded environments.

BENEFITS:

• Competitive Basic Salary
• 6% Employers Contribution + 6% as a salary sacrifice
• Private Medical Insurance, Life Cover and Income Protection
• 25 days holiday
• 5 days full sick pay per year
• Flexible working
• Cycle to Work & TechScheme
• Continuous professional development
• Corporate access to the Udemy platform

* If you're applying for a role requiring security clearance, please be aware that foreign or dual nationality is not an automatic bar, however certain posts may have restrictions which could affect those who do not have sole British nationality or who have personal connections with certain countries outside the UK.