Senior DevOps Engineer

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