Senior Infrastructure Software Engineer

Play a key role in delivering the software infrastructure behind nextgeneration underwater defence systems.

ALTEN is seeking experienced Infrastructure Software Engineers to support the development and maintenance of key components within a complex maritime platform. Youll work on highassurance systems such as Nemesys Audio and KAST contributing to the evolution of defencegrade software by managing configuration technical debt and supporting legacy modules like Template RTE and UPFW.
This is a handson opportunity to influence how critical systems are built maintained and deployedwhile working in a secure and agile environment.

Location: Manchester (OnSite)
Clearance Required: UK Nationals only / SC Clearable
Experience Level: Senior (5 years)

Key Responsibilities:

• Deliver and maintain infrastructure components critical to naval defence platforms.
• Support and refactor legacy modules and frameworks including Template RTE and UPFW.
• Work within an Agile team to design develop test and deploy resilient infrastructure software.
• Contribute to configuration management unit testing and automated CI/CD pipelines.
• Collaborate with crossfunctional teams to implement secure containerready applications.
• Use Jira and other tools for change and task management in a Scaled Agile environment.

Qualifications :

Skills & Experience Required:

• Proficient in Java C or Python (at least one to a competent level).
• Strong understanding of software configuration management and build tools like Jenkins or Git Runners.
• Experience with unit testing and wider software verification techniques.
• Comfortable working in Agile teams (Scrum Kanban or SAFe).
• Good communicator with the ability to contribute effectively as part of a delivery team.

Desirable Experience:

• Proactive selfdriven mindset with the ability to pick up skills on the job.
• Experience with web services containerisation (Docker Podman) and Kubernetes orchestration.
• Familiarity with the CNCF ecosystem CI/CD and Infrastructure as Code (IaC) using Ansible.
• Solid scripting skills in Shell Bash or Python.
• Understanding of security hardening (e.g. SELinux) automated testing and certification policies.
• Awareness of DOORS Polarion UML and software architectural principles.
• Linux systemlevel experience particularly within highintegrity environments.

Qualifications:

• A Bachelors degree (minimum) in Software Engineering Computer Science Electronics or similar technical field.
• Experience from the UK Armed Forces with an applicable software background is equally valued.
• Additional certifications or training in secure coding embedded systems or realtime OSs is a plus.

Additional Information :

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. Were 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
• Cycletowork Scheme among many additional benefits
• Social atmosphere regular gatherings and team buildings
• Flexible way of working (role dependent)

Remote Work :

No

Employment Type :

Fulltime