Description
Senior DevOps Engineer
Programme Name: LCST
Location: Remote, with attendance at Leidos UK Bristol or Customer sites as required
We’re ready for you to unleash your potential!
Role Overview:
We are seeking an experienced hands-on Senior 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:
*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
Clearance Requirements:
*BPSS pre-screening required to start
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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 An