Senior Embedded Software and Integration Engineer

Company Description

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 us and start building tomorrow's world today!

Join our team as a Senior Embedded Communications and Integration Engineer and play a key role in delivering complex, mission‑critical systems within the defence sector. This role sits at the intersection of embedded software, communications, and system integration, supporting the integration of imposed COTS/MOTS equipment into larger, safety‑critical architectures.

You will work in a hands‑on engineering environment, translating between dissimilar communication standards, debugging real hardware in the lab, and supporting system de‑risking activities in close collaboration with systems and electronics teams.

Location:

Stevenage
On‑site:
Remote with occasional site visits
Seniority:
Senior (8+ years' experience)
Clearance:
Candidates must be willing and eligible to obtain SC clearance.

• Design, develop, and document application‑level drivers for imposed COTS/MOTS equipment
• Implement and validate communications translations across multiple protocols (e.g. Ethernet, CAN, Modbus)
• Support lab‑based integration, compatibility testing, and system bring‑up activities
• Identify, diagnose, and resolve interoperability and communications issues early in the integration lifecycle
• Work closely with the Systems Architect to close technical risks and support architectural decisions
• Interface with electronics and software SMEs to agree and implement low‑level integration solutions

• Strong background as an embedded software or systems integration engineer
• Excellent low‑level software capability using C and/or C++
• Experience working with black‑box COTS/MOTS equipment and vendor‑supplied APIs
• Proven hands‑on lab and debug experience using tools such as logic analysers, protocol sniffers, and similar
• Demonstrated experience translating between dissimilar communications standards
• Background delivering solutions in defence, avionics, or other safety‑critical environments

• Pragmatic, solutions‑focused engineering mindset
• Strong communicator across systems, software, and electronics disciplines
• Comfortable working in ambiguous problem spaces and de‑risking complex integrations
• Takes ownership of technical problems through to resolution

• Bachelor's or Master's degree in Software Engineering, Electronic Engineering, Systems Engineering, or related discipline, or relevant technical military background with equivalent experience.

• Experience with additional communications protocols or networked systems
• Exposure to avionics, defence, or safety‑regulated programmes
• Understanding of integration and verification activities at system level
• Familiarity with working alongside suppliers and external technical stakeholders

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…