Senior Embedded Software Engineer

Join our team to develop embedded C software for highreliability communication and informationexchange systems used in defence environments. Youll contribute to nextgeneration communication and signalprocessing technologies working across embedded platforms that demand robustness security and deterministic performance. This role is ideal for an engineer experienced in embedded C who enjoys contributing to complex systems that underpin secure and missioncritical operations.

Location: Crawley
Onsite: 4 days per week
Seniority: Senior (8 years of experience)
Clearance: Candidates must be willing and eligible to obtain SC clearance.

Key Responsibilities

• Design implement and maintain embedded C software for realtime communication and signalprocessing systems.
• Develop and support software for embedded communication modules modems and RFadjacent components.
• Conduct debugging optimisation and performance testing across embedded targets to ensure reliability under operational loads.
• Produce clear and traceable design specifications requirements and documentation aligned with regulated development practices.
• Ensure adherence to secure coding standards governance policies and safetycritical development procedures.
• Support integration activities with wider engineering teams and contribute to architecture and design reviews.

Qualifications :

Required Skills

• Strong proficiency in C for embedded systems (C11/14/17).
• Experience in embedded development for communications or signalling systems (modems radios data links or similar).
• Familiarity with embedded debugging performance optimisation and hardwaresoftware interaction.
• Understanding of secure coding practices configuration management and development governance.
• Experience with requirements traceability verification and systemlevel testing.

Soft Skills & Collaboration

• Strong communication skills for crossdiscipline collaboration.
• Ability to work rigorously within regulated environments.
• Proactive problemsolving mindset with attention to detail.

Required Qualifications

• Bachelors or Masters degree in Software Engineering Computer Science or related discipline or  relevant technical military background with equivalent experience.
• Must be eligible to hold or already hold UK SC Security Clearance. 

Desirable Skills

• Experience with communication stacks DSP concepts or RFadjacent technologies.
• Familiarity with embedded Linux or RTOS environments.
• Experience with CI/CD tooling modelbased design or static analysis tools.
• Background in defence avionics or securesystems engineering.

Additional Information :

Why join us 

We bring together entrepreneurial tech-driven people to deliver innovative solutions for leading companies.

At ALTEN youll work on exciting projects supported by ongoing learning mentoring and clear career development tailored to your goals.

Join a passionate team and help build tomorrow today.

In short you get: 

• A personalised career path and a rewarding management style 
• A huge diversity of engineering projects and industries
• Private Medical Insurance
• Cycle & Tech Scheme 
• Employee assistance programme
• Life insurance & Pension Scheme
• Social atmosphere regular gatherings & team buildings
• Flexible way of working (role dependent)

We are proud to support the Armed Forces Covenant & actively encourage applications from members of the Armed Forces community including veterans reservists service leavers and military spouses/partners. We recognise the value of military skills and experience and are committed to ensuring that no applicant is unfairly disadvantaged during our recruitment and selection processes. 

ALTEN is committed to fostering a diverse and inclusive workplace and values the strength that comes from a global mix of backgrounds and perspectives. We welcome applications from all suitably qualified candidates regardless of background or protected characteristics under the Equality Act 2010. If you require any reasonable adjustments during the recruitment process please let us know. 

This role may require you to have or be willing to go through Security Clearance. As part of the onboarding process candidates will be asked to complete a Baseline Personnel Security Standard; details of the evidence required to apply may be found on the government website . If you are unable to meet this and any associated criteria then your employment may be delayed or rejected . Details of this will be discussed with you at interview.

Remote Work :

No

Employment Type :

Full-time