Linux Software Engineer

ALTEN is a global engineering and technology consultancy operating across 35 countries to deliver innovative engineering solutions that drive technological advancement & sustain transformation. As a Backend Software Engineer in London, you will design, build and support high‑reliability software platforms used to supervise and control complex remote systems.

Location: London — On Site: 2x a month — Clearance: SC clearable — Experience Level: Mid – Senior

Key Responsibilities

• Design, enhance, and support a central operational control platform, ensuring performance, reliability, and operational requirements are met.
• Develop new backend software components using Java and Python to support monitoring, control, and data management capabilities.
• Contribute to operational subsystems, such as file transfer workflows for large datasets, automated ingestion and storage of structured and unstructured data, and workflow automation for data processing and control preparation.
• Collaborate closely with systems and requirements engineers to ensure traceability, consistency, and sound technical design.
• Diagnose, troubleshoot and optimise critical services to ensure readiness for live operations.
• Produce clear documentation, configuration artifacts, and operational procedures for long‑term maintainability.
• Participate in technical design reviews, implementation discussions, and operational readiness assessments.

Required Skills

• Strong hands‑on experience with Java and Python.
• Solid understanding of software engineering best practices, testing strategies and technical documentation.
• Experience building or supporting distributed, safety‑critical, or operationally sensitive systems.
• Comfortable working in Linux‑based environments using modern development and build toolchains.
• Experience within Aerospace, Defence and Space industries.

Required Qualifications

• Bachelor’s or Master’s degree in Engineering, or equivalent military experience.

Desirable Skills

• Experience with relational databases, including schema design or integration of backend services.
• Familiarity with control, monitoring or command pipelines in complex operational environments.
• Exposure to data transport standards, structured telemetry processing, or control‑system architectures.

Additional Information

• 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 from members of the Armed Forces community, including veterans, reservists, service leavers, and military spouses/partners. We recognise the value of military skills and experience and are committed to ensuring that no applicant is unfairly disadvantaged during our recruitment and selection processes. ALTEN is committed to fostering a diverse and inclusive workplace and values the strength that comes from a global mix of backgrounds and perspectives. We welcome applications from all suitably qualified candidates, regardless of background or protected characteristics under the Equality Act 2010. If you require any reasonable adjustments during the recruitment process, please let us know. This role may require you to have or be willing to go through Security Clearance. As part of the onboarding process candidates will be asked to complete a Baseline Personnel Security Standard; details of the evidence required to apply may be found on the government website Gov.UK. 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.