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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principal Software Engineer (DevSecOps) - **Company:** Leonardo UK - **Location:** Luton, UK - **Salary:** £54,000.0 - £70,000.0 - **Contract:** Permanent contract - **Skills:** Agile Methodology, Systems Engineering, Configuration Management, DevOps, Revision Control Systems, Information Technology Operations, Release Management, Requirements Management, Software Engineering, DevOps Tools - Open-source, Infrastructure Automation Frameworks, Information Technology, Devsecops - **Published:** July 15, 2026 - **Apply:** https://uk.indeed.com/viewjob?jk=fd724b2ece6e07ad ## About the Role You will have a degree in Computer Science, Software Engineering, Systems Engineering, or a related discipline, together with experience delivering software solutions within a complex engineering environment. We are looking for candidates who can demonstrate: * Experience designing, building and operating secure-by-design environments. * Hands-on experience with Continuous Integration and Continuous Delivery (CI/CD) practices and tooling. * Knowledge of cloud, on-premises and hybrid environments, including associated security considerations. * Experience with enterprise DevOps and DevSecOps tools supporting modern software delivery. * A background in software engineering, platform engineering, IT operations or a related discipline. * Experience with requirements management, configuration management and version control tools. * Knowledge of infrastructure-as-code, automation and deployment technologies. * Experience working within Agile development environments. * Strong communication skills with the ability to mentor and influence technical teams. * A passion for automation, continuous improvement and engineering excellence. ## Description As a Principal Software Engineer (DevSecOps), you will play a key role in accelerating the delivery of secure, high-quality software across Leonardo's defence and security programmes. You will help shape and evolve our enterprise DevSecOps capability, enabling teams to deliver features and updates rapidly, reliably and securely. Working within our software engineering community, you will champion modern engineering practices, drive automation, and embed security throughout the software development lifecycle. Through your technical leadership and mentoring, you will help build a collaborative DevSecOps culture focused on innovation, continuous improvement and operational excellence. What You'll Do * Contribute to the delivery and evolution of Leonardo's enterprise-wide DevSecOps platform. * Support and mentor teams adopting DevSecOps practices, tools and ways of working. * Contribute to the planning and implementation of DevSecOps capabilities across cloud, on-premises and hybrid environments. * Design, deploy and maintain development, test and operational environments. * Drive automation across software delivery and infrastructure provisioning to improve quality, consistency and efficiency. * Develop and maintain automation frameworks, CI/CD pipelines and deployment processes. * Apply effective change, configuration and release management practices. * Support deployed services, ensuring high levels of performance, security and availability. * Collaborate with engineers, platform teams and stakeholders to improve delivery capability and engineering practices. * Champion secure-by-design principles across the software development lifecycle. ## Related Videos - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [DevSecOps: Injecting Security into Mobile CI/CD Pipelines](https://www.wearedevelopers.com/videos/273-devsecops-injecting-security-into-mobile-ci-cd-pipelines) - [From DevOps to Scaled DevOps: How We’re Rebuilding Continuous Delivery as a Platform](https://www.wearedevelopers.com/videos/100018-from-devops-to-scaled-devops-how-we-re-rebuilding-continuous-delivery-as-a-platform) - [ShapeShift: Reinventing Agile for a B2B SaaS Scale-Up](https://www.wearedevelopers.com/videos/1655-shapeshift-reinventing-agile-for-a-b2b-saas-scale-up) - [Demystifying DevOps—Pros, cons, dos & don'ts](https://www.wearedevelopers.com/videos/338-demystifying-devops-pros-cons-dos-don-ts) - [DevSecOps culture](https://www.wearedevelopers.com/videos/783-devsecops-culture) ## Related Articles - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Where To Find Software Engineering Jobs](https://www.wearedevelopers.com/magazine/396-where-to-find-software-engineering-jobs) - [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-software-engineering-jobs) - [The 12 Best Jobs for Software Engineers](https://www.wearedevelopers.com/magazine/401-the-12-best-jobs-for-software-engineers) - [What is Software Engineering?](https://www.wearedevelopers.com/magazine/289-what-is-software-engineering) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated)