AWS DevOps Engineer in London

Programme Name: LCST

Location: Remote, with attendance at Leidos UK Bristol or Customer sites as required.

Role Overview: We are seeking an experienced hands-on AWS DevOps Engineer to join the LCST Programme team. As part of a high-performing Agile team, you will design, implement, and support secure, scalable cloud infrastructure using a tailored SAFe Agile SecDevOps Scrum process. You'll apply DevOps best practices and cloud-native design principles, leveraging AWS services and Infrastructure as Code (IaC) to drive automation and continuous delivery across environments. This role also includes hands-on work with automated testing, deployments, and infrastructure monitoring alongside participation in Agile ceremonies, risk mitigation activities, and collaborative solution design. Cross-functional flexibility across systems engineering, software development, testing, and security is highly valued.

Key Responsibilities:

• Demonstrated experience in managing source code with GIT, including pull requests, branching strategies (Trunk-based, GitFlow), and collaborative version control workflows.
• Expertise in designing and managing AWS cloud infrastructure, including services like EC2, ECR, ECS, ECK, ASG, VPC, RDS, Load Balancers, Lambda, IAM, ports, R53 etc.
• Strong proficiency in IAC using Terraform and Ansible to provision, configure, and maintain secure and scalable cloud environments.
• Experience building and maintaining CI/CD pipelines using Jenkins, implementing automation for building, testing, and deploying applications across multiple environments.
• Proven ability to write and maintain scripts and automation tools using Bash, Python, and PowerShell to enhance operational workflows and eliminate manual tasks.
• Familiarity with containerisation using Docker and orchestration best practices, along with configuration management using Ansible.
• Knowledge of secrets management and access control using tools like Vault and IAM policies, ensuring secure handling of credentials and sensitive information.
• Strong understanding of AWS security best practices, including encryption, patching, monitoring, least privilege access, and compliance requirements.
• Hands-on experience in implementing and managing backup, recovery, and disaster recovery strategies to ensure data protection and business continuity.
• Ability to implement robust monitoring and logging solutions e.g., CloudWatch, to ensure system reliability, observability, and proactive incident response.
• Comfortable working in Agile development teams, translating business requirements into technical solutions, and actively participating in sprint planning, retrospectives, and daily stand-ups.
• Capability to design scalable, resilient, and cost-effective cloud-native solutions that meet availability and performance objectives.
• Strong troubleshooting and problem-solving skills with the ability to identify root causes and implement effective mitigation strategies in complex environments.
• Understanding of routing, traffic management, and load balancing, including configuration of NGINX and AWS-native tools for optimizing traffic flow.
• Experience with structured release and change management processes, including deployment governance, rollback strategies, and versioning control.
• Awareness of Java application environments and deployment considerations is a plus for supporting platform-wide consistency and integrations.
• Proactive mindset with a continuous improvement attitude, regularly identifying opportunities to enhance delivery pipelines, infrastructure, and development practices.
• Proficiency in designing and managing SNS topics for event-driven architectures, integrating notifications with Lambda, or external systems to support decoupled and scalable cloud workflows.
• Hands-on experience using Atlassian tools such as Jira, Confluence and Bitbucket to support Agile delivery, documentation, collaboration, and CI/CD pipeline management.
• Working knowledge of Active Directory and ADFS for identity and access management, including group policy management, SSO, and integration with cloud authentication services.

Application Requirements:

• Hands-on experience in any programming language e.g. python, bash, powershell, etc.
• In Redhat OS.
• In AWS OR Azure OR any other cloud provider.
• As Redhat and windows Admin.
• In containerised solution.
• In supporting application troubleshooting.
• IAC terraform.
• App config - ansible or any other like puppet.
• CI/CD pipeline like Jenkins or Azure devops or bamboo, etc.
• Any Automation.

Desired Skills:

• AWS Certified DevOps Engineer.
• Professional or equivalent certification.
• Proficiency in Terraform, AWS CDK, or CloudFormation.
• Experience with Ansible for configuration management.
• Strong scripting skills (e.g., Python, PowerShell, Bash).
• ITIL Foundation Certification or experience with ITIL-based environments.

Interview Requirements:

• This role will involve a two-stage interview process:
• First stage: face to face video competency-based interview covering your experience and transferable skills/application requirements into the role.
• Second stage: face to face in person interview at our Bristol office, this will include a technical test aligned around the application requirement capabilities.

Clearance Requirements:

• BPSS pre-screening required to start.
• Clearance for Role SC.
• Must be a UK Citizen and based in UK for the duration.
• Must have, or be able to obtain, a UK SC Clearance.

What we do for you:

At Leidos we are PASSIONATE about customer success, UNITED as a team and INSPIRED to make a difference. We offer meaningful and engaging careers, a collaborative culture, and support for your career goals, all while nurturing a healthy work-life balance. We provide an employment package that attracts, develops and retains only the best in talent. Our reward scheme includes:

• Contributory Pension Scheme.
• Private Medical Insurance.
• 33 days Annual Leave (including public and privilege holidays).
• Access to Flexible benefits (including life assurance, health schemes, gym memberships, annual buy and sell holidays and a cycle to work scheme).
• Flexible Working Scheme.

Commitment to Diversity:

We welcome applications from every part of the community and are committed to a truly diverse and inclusive culture. We foster a sense of belonging, welcoming all perspectives and contributions, and providing equal access to opportunities and resources for everyone. If you have a disability or need any reasonable adjustments during the application and selection stages please let us know, and we will respond in a way that best fits your needs.

Who We Are:

The Logistics Commodities & Services Transformation (LCST) Programme for the UK Ministry of Defence is a critical effort to enhance and improve the UK's defence supply chain. The programme provides essential services such as storage and distribution for the MOD's materiel, including a global freight service and the procurement and inventory management of 70,000 commodity NATO Stock Number (NSNs). Working together as Team Leidos we are helping to transform the UK's defence supply chain by providing an integration of a complex mixture of services, at low risk, using a modern suite of systems that will deliver one version of the truth. For the first time, the MOD will see the whole picture, as it is happening.

What Makes Us Different:

• Purpose: you can use your passion and abilities at Leidos to keep the people you care about safe. We are at the forefront of machine learning, AI, cyber security and solutions. Using your skills in the technology frontline by helping to build a safer world. You can inspire change.
• Collaboration: having flexibility to do your job is one of our core benefits, enabling you to become part of our extraordinary team. We have been empowering our people to work flexibly for years. Whether you work from home, the office or on customer sites, we will give you the digital tools and the flexibility to work smarter and align your needs and ours.
• People: Leidos empowers people from every background to be themselves and gives you the tools to learn new skills by enabling growth whilst developing. We believe that extraordinary people need opportunities to grow, to be inspired and to inspire others. At Leidos, we invest in technical academies, career rotations and a career development plans that enhance your future.