C++ Software Engineer

• Compensation: GBP 35,000 - GBP 65,000 - yearly

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!

Join our team as an
Software Engineer and contribute to the development of complex, safety‑critical embedded software for defence and other highly regulated engineering environments. You will be involved in the design, development, and integration of high‑integrity software, working on technically challenging systems where quality, robustness, and reliability are critical.

This is a hands‑on, on‑site role within a fast‑moving programme, working alongside multi‑disciplinary engineering teams to deliver embedded software solutions that meet demanding functional and safety requirements.

Location:Central belt of Scotland (Multiple sites)
On‑site:3-4 days per week
Seniority: Mid‑Senior (5+ years’ experience)
Clearance: Candidates must be willing and eligible to obtain SC clearance.

Key Responsibilities

• Design, develop, and maintain embedded C++ software for complex, safety‑critical systems
• Apply structured and model‑based design approaches to support scalable and maintainable software architectures
• Collaborate closely with systems and hardware engineers to integrate software onto target platforms
• Ensure compliance with safety and coding standards such as DO‑178C and MISRA C/C++
• Support system integration, verification, and validation activities within lab‑based environments
• Contribute to delivery within an Agile development framework
  , supporting continuous improvement and quality

Required Skills

• Strong experience developing C++ software within embedded or safety‑critical environments
• Solid grasp of object‑oriented design (OOD) principles
• Background working in defence, aerospace, or similarly regulated industries
• Familiarity with safety‑critical development standards (e.g. DO‑178C, MISRA C/C++)
• Experience working in Agile teams
  , using tools such as Jira, Confluence, and Git‑based version control
• Analytical mindset with strong problem‑solving ability
• Confident communicator within cross‑disciplinary engineering teams
• Proactive approach to quality, compliance, and technical ownership

Required Qualifications

• A
  Bachelor’s or Master’s degree
  in
  Software Engineering, Computer Science,or a related disciplineor relevant
  technical military background
  with equivalent hands‑on experience.
• Must be eligible for or already hold
  UK Security Clearance (SC)
• Exposure to model‑based or UML‑driven development
  , using tools such as IBM Rhapsody or similar
• Experience with requirements or configuration management tools (e.g. DOORS, Dimension)
• Hands‑on involvement in software integration, verification, or lab‑based testing
• Background in real‑time systems
  , embedded platforms, or complex system development

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.

• A personalised career path and a rewarding management style
• A…