Site Reliability Engineer /Cloud

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 www.sophos.com.

What you will do: Carry personal responsibility for high quality changes to a live IT / SaaS infrastructure Manage key operational systems on which millions of customers depend Create estimates and work plans then deliver according to those plans in an agile manner Participate in a weekday / weekend on-call rotation Occasionally carry out changes outside of normal working hours Monitor existing infrastructure, identify areas of weakness and propose improvements Take corrective action, as a first point of contact, to resolve incidents escalated from Technical Support, IT and development communities and escalate where appropriate Provide incident response and coordination, ensuring issue resolution and helping co-ordinate multiple resources Publish software updates as required meeting product release schedules, monitoring load on infrastructure and support, taking corrective action where possible and flagging issues with management

What you will bring: 2-4 years of hands on technical knowledge with Amazon Web services (AWS) Knowledge of AWS services including EC2, ECS, EKS, IAM, CloudWatch, SQS, SNS, SSM, S3 and Secrets Manager Proficient with AI-assisted development tools (e.g., Claude Code, GitHub Copilot, Cursor) and able to apply them responsibly to improve productivity Knowledge of CI/CD pipelines such as Jenkins / GitHub Actions or equivalent Experience with Infrastructure-as-Code tools with Terraform or equivalent Familiarity with Database(s) e.g. MySQL, PostgreSQL, RDS, Mongo NoSQL Monitoring and Alerting Tools such as PagerDuty, Datadog, CloudWatch, Logz.io or equivalent Experience with Bash and python scripting IP networking - LAN & WAN Ability to adapt to new technology Strong communication skills both verbally and in writing Knowledge of malware/spam/network threats Ability to interface with Senior Leaders Comfortable working in a detailed driven environment Familiarity with GenAI tools such as GitHub CoPilot, Cursor Exposure to compliance frameworks (SOC2, FedRamp, etc.)

Ready to Join Us?
At Sophos, we believe in the power of diverse perspectives to fuel innovation. Research shows that candidates sometimes hesitate to apply if they don't check every box in a job description. We challenge that notion. Your unique experiences and skills might be exactly what we need to enhance our team. Don't let a checklist hold you back – we encourage you to apply.
 
What's Great About Sophos?
·   Sophos operates a remote-first working model, making remote work the primary option for most employees. However, some roles may necessitate a hybrid approach. While we are a remote first organiz