Senior DevOps Engineer

🕒 May 6

🇬🇧 United Kingdom – Remote

💵 £47.6k - £61k / year

⏰ Full Time

🟠 Senior

⛑ DevOps & Site Reliability Engineer (SRE)

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Leidos

WebsiteLinkedInAll Job Openings

10,000+ employees

Founded 1969

🔒 Cybersecurity

🔬 Science

Defense • Cybersecurity • Science

Leidos is a leading systems integrator in science, technology, and engineering, providing solutions that transform and enable the missions of its customers. The company operates across various markets, including aviation, defense, energy, government, healthcare, intelligence, science, and space. Leidos is involved in AI, digital modernization, cyber operations, and integrated and mission software systems. With a commitment to diversity, equity, inclusion, and sustainability, Leidos also engages in charitable efforts and community enrichment programs. Additionally, it contributes to developing solutions for counter-unmanned aerial systems and electric vehicle infrastructure for military applications.

📋 Description

• 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.

🎯 Requirements

• 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.

🏖️ Benefits

• 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