DevOps Engineer

About Us Sophos is a cybersecurity leader defending 600,000 organizations globally with an AI-driven platform and expert-led services. Sophos meets organizations wherever they are in their security maturity and grows with them to defeat cyberattacks. Its solutions combine machine learning, automation, and real-time threat intelligence with frontline human expertise from Sophos X-Ops to deliver advanced, 24/7 threat monitoring, detection, and response. Sophos offers industry-leading managed detection and response (MDR) alongside a comprehensive portfolio of cybersecurity technologies — including endpoint, network, email, and cloud security, extended detection and response (XDR), identity threat detection and response (ITDR), and next-gen SIEM. Together with expert advisory services, these capabilities help organizations proactively reduce risk and respond faster, with the visibility and scalability needed to stay ahead of evolving threats. Sophos goes to market with a global partner ecosystem, including Managed Service Providers (MSPs), Managed Security Service Providers (MSSPs), resellers and distributors, marketplace integrations, and cyber risk partners, giving organizations the flexibility to choose trusted relationships when securing their business. Sophos is headquartered in Oxford, U.K. More information is available at Role Summary As a DevOps Engineer at Sophos, you will be instrumental in evolving our development lifecycle. You will facilitate, automate, and scale the deployment, configuration, and monitoring of our large-scale cloud-native SaaS and on-premises applications. By leveraging your expertise in AWS and Kubernetes, you will streamline our CI/CD pipelines to ensure rapid, frequent, and reliable automated builds. Beyond technical implementation, you will act as a mentor—teaching and assisting engineering teams to build, manage, and monitor high-performance cloud applications with increased agility.

What you will do

• • Platform Management: Take ownership of the management and ongoing maintenance of our Kubernetes platforms.

  • Cross-Team Collaboration: Work closely with multiple development squads to identify requirements for building and deploying complex applications.

  • AWS Automation: Design and implement the automated deployment and configuration of cloud-application workloads within AWS.

  • Observability: Develop, advise on, and troubleshoot monitoring and management frameworks for cloud-resident workloads.

  • Consultancy: Assist engineering teams in architecting manageable, scalable, and highly observable cloud-native applications.

  • Incident Resolution: Troubleshoot and resolve environment and configuration issues. Analyse logs and monitoring data to proactively communicate potential risks to stakeholders.

  • Environment Orchestration: Manage and communicate the state, versioning, and availability of various environments to Developers, QA, and wider team members.

  • Tooling Excellence: Maintain and optimise shared development tools for branching, tagging, building, releasing, and reporting.

  • Willingness to provide on-call support on weekend (once in a month)

What you will bring

• Essential:
  • 6+ years of experience working as a DevOps Engineer.
  • Containerisation: Practical experience with Kubernetes (EKS), Docker, or Rancher.
  • Technical Background: Proficiency in Python, Bash, or similar languages to automate repetitive tasks.
  • Linux Mastery: Proficiency with Linux distributions (e.g., Ubuntu, CentOS).
  • CI/CD: A deep understanding of continuous integration and continuous delivery principles.
  • AWS Expertise: A broad knowledge of AWS services, specifically CloudFormation, EC2, ECS, and EKS.
  • Version Control: Expert use of Git and GitHub within a distributed team environment.
  • Monitoring & Alerting: Strong understanding of monitoring and alerting using tools like PagerDuty, Zabbix, and LogicMonitor for system health visibility, alerting, and incident response.

  Desirable

  • Certification: CKA (Certified Kubernetes Administrator), AWS Solutions Architect, AWS SysOps Administration.
  • Ansible experience
  • Infrastructure as Code (IaC): Experience with CloudFormation or Terraform.
  • Soft Skills: Strong communication skills with the ability to influence technical decisions both internally and externally.