Embedded Software Engineer

ALTEN is a global engineering and technology consultancy operating across over 35 countries worldwide. We partner with industry leaders across sectors including Aeronautics, Aerospace, Defence, Naval, Automotive, Energy, Rail, IT and many more to deliver innovative engineering solutions that drive technological advancement & support sustainable transformation.

Our teams of passionate and agile engineers work on cutting-edge projects that shape the future of technology and sustainability. At ALTEN, we empower talented engineers to innovate, solve complex challenges, and deliver impactful solutions that build tomorrow’s world—today.

Join us and start building tomorrow’s world today!

Engage in the development of complex embedded software systems for safety‑critical defence and maritime applications with ALTEN Ltd. Join our team as an Embedded Software Engineer, where you’ll work on the design, development and integration of high‑integrity software using modern C++ and embedded technologies. You’ll collaborate closely with multidisciplinary engineering teams to deliver robust, production‑ready code that underpins mission‑critical systems, contributing across the full software development lifecycle within a regulated environment.

Location: Manchester (Stockport)

On‑site: Hybrid, up to 4 days per week on site

Seniority: Mid to Senior level roles available

Security Clearance: Candidates must be willing and eligible to obtain SC clearance.

Key Responsibilities

• Design, develop and maintain embedded software for safety‑critical systems
• Produce high‑quality, efficient and maintainable code primarily using C++, with exposure to C, Java and Python
• Work with hardware abstraction layers and low‑level software components
• Apply high‑integrity coding standards such as MISRA, JSF++, HIC++ and AUTOSAR
• Perform code refactoring, unit testing and static analysis to ensure software quality
• Contribute to model‑driven development using UML
• Collaborate within Agile development environments, using modern ticketing and version‑control tools
• Support integration, verification and validation activities across the software lifecycle

Required Skills

• Strong experience in embedded software development
• Advanced proficiency in C/C++ within safety‑critical or regulated environments
• Experience with unit testing and static analysis
• Knowledge of Linux OS programming and build tooling
• Understanding of real‑time systems and real‑time signal processing
• Familiarity with TCP/IP networking protocols and system architectures
• Experience working with Agile SDLC methodologies

Soft Skills & Collaboration

• Ability to work effectively as part of a multidisciplinary engineering team
• Strong problem‑solving and analytical skills
• Comfortable working with complex requirements and system constraints
• Proactive mindset with a focus on quality and continuous improvement

Required Qualifications:

• Bachelor’s or Master’s degree in Software Engineering, Computer Science, Electronics Engineering, or related discipline, or relevant technical military background with equivalent experience.

Desirable Skills

• Experience with Java and Python in engineering applications
• Exposure to containerisation and virtualisation technologies
• Experience with CI/CD and build automation tools such as Jenkins or Bamboo
• Familiarity with GitLab, JIRA, or similar ticketing/version‑control systems
• Background in defence, aerospace, or other safety‑critical industries

Why join us? 

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

At ALTEN, you’ll 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 Gov.UK. 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.