Find a job 
Featured Companies 
Featured Universities 
For Companies At a Glance
- Tasks: Design and develop embedded C++ software for mission-critical systems in defence.
- Company: ALTEN, a global engineering consultancy with a focus on innovation.
- Benefits: Personalised career path, private medical insurance, flexible working, and team-building events.
- Other info: Diverse workplace committed to inclusion and supporting military community.
- Why this job: Join a passionate team and work on exciting projects that shape the future.
- Qualifications: 8+ years of experience in embedded C++ and safety-critical environments.
The predicted salary is between 60000 - 80000 ÂŁ per year.
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 and 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 our team as a Senior Embedded Software Engineer and contribute to the development of mission‑critical embedded software used within defence and other highly regulated engineering environments. You will work on complex real‑time systems where software robustness, determinism, and safety assurance are essential. This role offers the opportunity to apply deep embedded C++ expertise in high‑integrity programmes, supporting the delivery of reliable software solutions within demanding, process‑driven environments.
Location: London
On-site: 4 days per week
Seniority: Senior (8+ years’ experience)
Clearance: Candidates must be willing and eligible to obtain SC clearance.
Key Responsibilities:
- Design, develop, and maintain embedded C++ software for real‑time, mission‑critical systems
- Contribute to development within safety‑regulated environments, following high‑integrity software practices
- Develop and integrate low‑level software components and system interfaces
- Support unit, integration, and system‑level testing to ensure deterministic and reliable behaviour
- Collaborate with systems, electronics, and test engineers to integrate software into complex platforms
- Produce clear and traceable technical documentation suitable for regulated engineering environments
Qualifications:
Required Skills:
- Strong experience with embedded C++ (C++11/14/17 or later)
- Proven background delivering software in defence, safety‑critical, or regulated environments
- Solid understanding of real‑time software constraints and deterministic behaviour
- Experience contributing to verification, validation, and requirements traceability activities
- Familiarity with configuration management and development lifecycle tooling
- Strong debugging and problem‑solving ability within complex systems
Soft Skills & Collaboration:
- Clear and confident communicator across multi‑disciplinary teams
- Detail‑oriented, quality‑driven mindset
- Strong ownership of technical delivery and accountability
- Comfortable operating in process‑heavy, high‑assurance programmes
Required Qualifications:
- Bachelor’s or Master’s degree in Software Engineering, Computer Science, or related discipline, or a relevant technical military background with equivalent hands‑on experience.
- Candidates must be eligible to hold UK SC security clearance.
Desirable Skills:
- Exposure to safety‑critical standards such as DO‑178 or equivalent
- Experience with Ada within high‑integrity or regulated systems
- Knowledge of MISRA C/C++ or secure coding practices
- Familiarity with automated testing, static analysis, or CI/CD pipelines
Additional Information:
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 and 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.
Senior Embedded C++ Engineer in London employer: ALTEN LTD - UK
Contact Detail:
ALTEN LTD - UK Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Senior Embedded C++ Engineer in London
✨Tip Number 1
Network like a pro! Reach out to your connections in the industry, attend meetups, and engage with professionals on platforms like LinkedIn. You never know who might have the inside scoop on job openings or can refer you directly.
✨Tip Number 2
Prepare for interviews by practising common questions and showcasing your embedded C++ expertise. Think about real-world examples from your experience that demonstrate your problem-solving skills and ability to work in regulated environments.
✨Tip Number 3
Don’t just apply blindly! Tailor your approach for each role by highlighting relevant projects and skills in your conversations. Show how your background aligns with ALTEN’s mission of delivering innovative engineering solutions.
✨Tip Number 4
Keep an eye on our website for the latest job openings and updates. Applying through our site not only gives you a better chance but also keeps you in the loop about what we’re looking for in candidates!
We think you need these skills to ace Senior Embedded C++ Engineer in London
Some tips for your application 🫡
Tailor Your CV: Make sure your CV highlights your experience with embedded C++ and any relevant projects you've worked on. We want to see how your skills align with the role, so don’t be shy about showcasing your achievements!
Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Use it to explain why you're passionate about working in defence and safety-critical environments. Let us know how your background makes you a perfect fit for our team.
Showcase Your Problem-Solving Skills: In your application, mention specific examples where you've tackled complex challenges in real-time systems. We love seeing how you approach problems and deliver reliable solutions, so make it count!
Apply Through Our Website: We encourage you to apply directly through our website. It’s the best way to ensure your application gets into the right hands. Plus, it shows us you’re keen to join our team at ALTEN!
How to prepare for a job interview at ALTEN LTD - UK
✨Know Your C++ Inside Out
Make sure you brush up on your embedded C++ skills, especially the features from C++11/14/17. Be ready to discuss how you've applied these in real-time systems and safety-critical environments. Prepare examples that showcase your problem-solving abilities and debugging skills.
✨Understand the Safety Standards
Familiarise yourself with safety-critical standards like DO-178 or MISRA C/C++. Be prepared to explain how you've adhered to these standards in past projects. This will show your commitment to quality and safety in software development.
✨Showcase Your Collaboration Skills
Since this role involves working with multi-disciplinary teams, think of examples where you've successfully collaborated with systems, electronics, or test engineers. Highlight your communication skills and how you ensure everyone is on the same page during complex projects.
✨Prepare for Technical Questions
Expect technical questions related to real-time software constraints and deterministic behaviour. Practice explaining your thought process when tackling complex problems. This will demonstrate your depth of knowledge and ability to think critically under pressure.