Senior Software Engineer (DevSecOps & Autonomy)

About the role

ALTEN is recruiting a Senior Software Engineer to work on advanced data and autonomy programmes, developing reusable software capabilities and supporting their deployment across safety and mission-critical applications. You will work across the full software lifecycle, combining hands-on development with CI/CD, DevSecOps, data integration and cloud technologies. The role is based in Bristol, Crawley or Glasgow with hybrid working, and requires eligibility to obtain SC security clearance.

Key responsibilities

• Design, develop, test and deploy secure, scalable software in complex engineering environments.
• Develop and maintain CI/CD pipelines, automating build, test and deployment.
• Build reusable software capabilities for data integration, curation and deployment across multiple programmes.
• Collaborate with software, systems, data and infrastructure engineers.
• Write production code, review code, troubleshoot and support solutions throughout their lifecycle.
• Support DevSecOps activities such as threat modelling, vulnerability management and security compliance.
• Integrate third-party data sources, APIs and services.
• Contribute to technical demonstrations, proofs of concept and evaluation of emerging technologies.

Required profile

• Bachelor's or Master's degree in Engineering, or relevant technical military background with equivalent experience.
• Commercial software development and deployment experience.
• Experience in complex, regulated or safety-critical engineering environments.
• Willingness and eligibility to obtain SC security clearance.
• Strong communication skills and experience working across multidisciplinary engineering teams.

Required skills

• Strong C++ development, ideally in safety or mission-critical software.
• Modern languages such as Python, Java, Ruby or Perl.
• CI/CD and DevOps/DevSecOps experience.
• Linux or Windows infrastructure, databases and data integration.
• Autonomy systems (planning, perception, control or similar).
• Desirable: cloud platforms, containerisation, microservices, MySQL/MongoDB, Agile, ITIL or SAFe, architecture governance.

What we offer

• Personalised career path and management style.
• Competitive salary, private medical insurance and pension scheme.
• Cycle-to-work scheme and flexible working depending on role.
• Social events, team building and career support.