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. Youll 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: • Clearance to Start BPSS • 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 Leidos UK! Join our team and discover a culture of collaboration, innovation, diversity, trust, caring management, communication transparency, work-life balance, and overall job satisfaction 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)