Maritime Embedded Software Engineer

Are you passionate about engineering? Do you want to make a difference?

You could be one of our 54k+ colleagues in over 30 countries working on inspiring projects in the most innovative companies.

Join us and start building tomorrow’s world today!

What will you be doing?

As a Maritime Embedded Software Engineer, you will join our South-Coast team to support our activities within the Maritime/Defence sector.

Step aboard a cutting-edge maritime defence project with ALTEN Ltd, where your expertise in embedded systems will contribute to the next generation of submarine-based intelligent electronics. You’ll work on-site alongside leading engineers, delivering high-integrity software solutions in one of the most demanding environments. This is an exciting opportunity to combine Embedded C, hardware integration, and PLC knowledge to deliver impactful innovation below the surface.

Key Responsibilities

• Develop and maintain embedded software in C, working directly with custom hardware platforms used in marine defence environments.
• Support the design, integration, and verification of submarine embedded systems with real-time and mission-critical constraints.
• Collaborate with hardware engineers to troubleshoot and debug low-level software/hardware interfaces.
• Apply and support PLC-based logic within embedded environments (desirable).
• Ensure system compliance with defence-grade software standards and documentation requirements.
• Participate in lab and field testing to verify embedded performance in harsh environments.
  
  

Essential Skills & Experience

• 5+ years of professional experience in Embedded C software development, ideally for safety- or mission-critical systems.
• Strong understanding of embedded hardware interfaces and real-time embedded systems.
• Experience with debugging, integration, and hardware bring-up.
• Familiarity with PLC systems, control logic, or industrial automation platforms (advantageous).
• Experience working in regulated sectors, particularly defence, aerospace, or maritime.
• Bachelor’s degree (Master’s preferred) in Software Engineering, Computer Science, Electronics, or related discipline – or equivalent experience from UK military/defence technical roles.
• Must be eligible for, or already hold, UK SC-Level Security Clearance.

Who are we looking for? You are...

• Passionate about engineering
• result-oriented
• proactive
  
  

Why join us?

We foster a community of dually talented individuals who are both entrepreneurs and technology specialists. Our teams embody the spirit of innovation and entrepreneurship, enabling us to develop solutions most efficiently.

Our commitment to sustainable growth is unwavering, and we continuously strive for accelerated transformation and continuous improvement. Through ALTEN labs, mentoring programs, internal universities, and more, we are always pushing boundaries and embracing new possibilities.

We offer incredible opportunities to join inspiring projects in the most innovative companies.

We prioritise your career development with personalised support plans tailored to your own aspirations. We're here to empower you and help you reach your full potential.

Join our passionate team and start building tomorrow, today!

In short you get:

• A personalised career path and a rewarding management style
• A chance to work on the most exciting engineering projects and technologies along with Premium Customers
• A huge diversity of engineering projects and industries
• A competitive salary
• Private Medical Insurance
• Pension Scheme
• Cycle-to-work Scheme among many additional benefits
• Social atmosphere, regular gatherings, and team buildings
• Flexible way of working (role dependent)