Senior DevSecOps Engineer: Secure Delivery & Automation

Leonardo; Southampton; Hybrid; GBP 110,000 - 140,000; Full time

Job summary

Leonardo is seeking a Principal Software Engineer (DevSecOps) to accelerate secure, high-quality software delivery across defence and security programmes. You will shape enterprise DevSecOps capability, drive automation, and embed security throughout the SDLC.

You will mentor teams, design and implement CI/CD pipelines, and ensure environments across cloud, on‑prem, and hybrid remain secure, reliable and scalable.

Qualifications

• Degree in Computer Science or related discipline.
• Experience delivering software in a complex engineering environment.
• Hands-on with security-focused software delivery.
• Strong communication and mentoring skills.

Responsibilities

• Contribute to Leonardo's enterprise DevSecOps platform.
• Mentor teams adopting DevSecOps practices.
• Plan and implement DevSecOps across cloud, on-prem, and hybrid environments.
• Design, deploy and maintain development, test and operational environments.
• Drive automation across software delivery and infrastructure provisioning.
• 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.
• Champion secure-by-design principles across the software development lifecycle.

Skills

CI/CD tooling

Cloud security

DevSecOps

Mentoring

Agile

Education

Bachelor's degree in Computer Science or related

Job description

Leonardo is seeking a Principal Software Engineer (DevSecOps) to accelerate secure, high-quality software delivery across defence and security programmes. You will shape enterprise DevSecOps capability, drive automation, and embed security throughout the SDLC.

You will mentor teams, design and implement CI/CD pipelines, and ensure environments across cloud, on‑prem, and hybrid remain secure, reliable and scalable.