Senior Infrastructure Software Engineer

ALTEN; Manchester; On-site; GBP 60,000 - 80,000; Full time

Job summary

A leading company in Manchester is seeking a Senior Infrastructure Software Engineer to play a key role in delivering software infrastructure for next-generation underwater defence systems. The role involves working in an agile environment, collaborating with cross-functional teams, and requires proficiency in programming languages such as Java, C++, or Python. The company values innovation and offers a supportive environment for career development.

Benefits

Private Medical Insurance

Pension Scheme

Cycle-to-work Scheme

Flexible working

Qualifications

• 5+ years of experience in software engineering.
• Proficient in at least one of Java, C++, or Python.

Responsibilities

• Deliver and maintain infrastructure components for naval defence.
• Design, develop, test, and deploy resilient infrastructure software.

Skills

Java

C++

Python

Agile

Communication

Education

Bachelor's degree in Software Engineering

Bachelor's degree in Computer Science

Bachelor's degree in Electronics

Tools

Jira

Docker

Kubernetes

Ansible

Job description

ALTEN Manchester, England, United Kingdom

Senior Infrastructure Software Engineer

ALTEN Manchester, England, United Kingdom

1 day ago Be among the first 25 applicants

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!

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!

Job Description

Play a key role in delivering the software infrastructure behind next-generation underwater defence systems.

ALTEN is seeking experienced Infrastructure Software Engineers to support the development and maintenance of key components within a complex maritime platform. This is a hands-on opportunity to influence how critical systems are built, maintained, and deployed—while working in a secure and agile environment.

Location: Manchester (On-Site)

Clearance Required: 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.
• 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 cross-functional teams to implement secure, container-ready 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.
• 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, self-driven 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 system-level experience, particularly within high-integrity environments.

Qualifications:

• A Bachelor's 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 real-time 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. 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)

Seniority level

• Seniority level

  Mid-Senior level

Employment type

• Employment type

  Full-time

Job function

• Job function

  Consulting

• Industries

  IT Services and IT Consulting

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