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

ALTEN is a global engineering and technology consultancy operating across over 30 countries worldwide. We partner with industry leaders across sectors including Aeronautics, Aerospace, Defence, Naval, Automotive, Energy, Rail, 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 to help deliver fast-paced, high-impact Defence software solutions that translate complex algorithms into operational capabilities. You’ll work closely with algorithm engineers to integrate mathematical and software models into production-ready, reliable, and maintainable systems. This is a unique opportunity to apply your full software lifecycle experience in a rapid capability deployment environment, where your work has a direct impact on operational outcomes.

Location: Templecombe
On-site: Monday – Thursday minimum
Seniority: Senior (8+ years’ experience)
Clearance: SC clearable (no caveats)

Key Responsibilities

• Develop, integrate, and maintain software for rapid deployment projects in the Defence domain.
• Collaborate with algorithm engineers to implement and optimise complex mathematical models.
• Apply full software lifecycle experience, including design, coding, testing, and integration.
• Contribute to unit and wider software testing to ensure robust, high-quality systems.
• Work within defined software development processes, adhering to best practices and configuration management.
• Maintain technical documentation, reporting, and risk management in alignment with project standards.
• Support continuous improvement in build pipelines, CI/CD, and software delivery processes.

Required Skills

• Strong experience in C++ and Java software development.
• Proficiency in software configuration management (SCM) and Jira for change and task tracking.
• Experienced in unit testing and wider software testing practices.
• Knowledge of software development lifecycle processes and documentation standards.
• Skilled in risk management and problem-solving for fast-paced projects.

Soft Skills & Collaboration

• Strong communication skills, able to clearly convey technical ideas to diverse teams.
• Excellent teamwork, working collaboratively across multi-disciplinary environments.
• Demonstrated leadership, capable of mentoring peers and influencing project outcomes.
• Positive attitudes and behaviours, adaptable and proactive in challenging situations.
• Effective in project reporting and stakeholder engagement.

Required Qualifications

• A Bachelor’s or Master’s degree in Software Engineering, Computer Science, or a related discipline.
• OR relevant technical military background with equivalent hands-on experience.

Desirable Skills

• Experience with Linux platforms.
• Knowledge of software build pipelines and CI/CD processes.
• Exposure to software assurance and requirements management.
• Familiarity with Defence domain processes.
• Continuous improvement mindset, with an interest in emerging technologies.

Security Clearance Requirement

UKSV (United Kingdom Security Vetting) clearance is required for this role, with Security Check (SC) as the minimum standard, either already held or with a willingness to undergo the process.
Some roles/projects may require Developed Vetting (DV) clearance; while not mandatory, a willingness to obtain DV clearance would be beneficial.
As part of the onboarding process, candidates will be asked to complete a Baseline Personnel Security Standard (BPSS); details of the evidence required to apply may be found on the government website (GOV.UK - Government Baseline Personnel Security Standard).
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.

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)