Senior Software Engineer (DevSecOps & Autonomy)
Confirmed on the employer's own hiring board on Oct 23, 2026. First seen by Alion on Oct 22, 2026. ALTEN scores B on the Alion truth index.
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Are you an experienced Software Engineer looking to develop and deploy secure, scalable solutions within complex engineering environments? As a Senior Software Engineer within ALTEN, you’ll work on advanced data and autonomy programmes, developing reusable software capabilities and supporting their deployment across safety and mission-critical applications.
You’ll work across the full software lifecycle, combining hands-on development with CI/CD, DevSecOps, data integration and cloud technologies to deliver robust solutions that can be deployed across multiple programmes.
Location: Bristol / Crawley / Glasgow (Hybrid Working)
On-site Requirement: Hybrid working, with site attendance based on project requirements
Seniority: Senior Engineer
Security Clearance: Candidates must be willing and eligible to obtain SC clearance.
Key Responsibilities
- Design, develop, test and deploy secure, scalable software solutions within complex engineering environments.
- Develop and maintain CI/CD pipelines, automating software development, testing and deployment processes.
- Build reusable software capabilities supporting data integration, curation and deployment across multiple programmes.
- Collaborate with software, systems, data and infrastructure engineers to deliver integrated solutions.
- Develop high-quality production code, conduct code reviews, troubleshoot issues and support solutions throughout their lifecycle.
- Support DevSecOps activities including threat modelling, vulnerability management and security compliance.
- Integrate third-party data sources, APIs and services into operational software solutions.
- Contribute to technical demonstrations, proofs of concept and the evaluation of emerging technologies.
Required Skills
- Strong C++ development experience, ideally within safety or mission-critical software environments.
- Experience with modern programming languages such as Python, Java, Ruby or Perl.
- Strong CI/CD and DevOps/DevSecOps experience, including automated software build, test and deployment processes.
- Experience with Linux or Windows infrastructure, databases and data integration technologies.
- Experience developing or integrating software within autonomy systems, including planning, perception, control or similar architectures.
Soft Skills & Collaboration
- Strong communication skills with the ability to engage technical and non-technical stakeholders.
- Collaborative approach with experience working across multidisciplinary engineering teams.
- Proactive, delivery-focused mindset with strong problem-solving skills.
Required Qualifications
- Bachelor's or Master's degree in Engineering, or relevant technical military background with equivalent experience.
- Commercial software development and deployment experience.
- Experience working within complex, regulated or safety-critical engineering environments.
Desirable Skills
- Experience with cloud platforms, containerisation, microservices and API-based architectures.
- Knowledge of MySQL, MongoDB or similar database technologies.
- Experience delivering large-scale data integration or data management solutions.
- Understanding of Agile, DevOps, ITIL or SAFe environments.
- Experience governing software architectures or detailed designs throughout the engineering lifecycle.
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)
This role will 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.