Own end‑to‑end quality for assigned features, components, or services
Design and execute functional, integration, system, and regression testing
Perform exploratory testing to uncover edge cases and failure scenarios
Identify, document, and track defects with clear reproduction steps and impact analysis
Prioritize effectively, stay focused, and drive tasks through to completion
Design, develop, and maintain automated test cases for APIs, backend systems, and/or UI
Actively participate in CI/CD pipelines to support continuous testing
Work closely with developers, product managers, and other QA engineers
Participate in requirement and design reviews to ensure testability and risk coverage
Collaborate with developers to debug issues and validate fixes
Analyze test results and provide quality insights to support release decisions
Contribute to improving test coverage, tools, and processes

4 to 5 years of experience in software quality engineering or test automation roles
Strong hands-on experience in test automation development
Strong understanding of operating systems, network security concepts, and firewall technologies
Working knowledge of networking technologies and protocols such as HTTP, TCP/IP, UDP, DHCP, DNS, proxy servers, and load balancers
Experience with cloud platforms such as AWS, Azure, and GCP
Experience working in Agile environments and supporting continuous integration practices, including nightly builds and release cycles
Ability to design tests and write test code independently
Understanding of multi-platform issues across UNIX, Mac, and Windows environments
Understanding of virtual platforms such as ESX, Xen, Proxmox, and cloud environments
Understanding of open-source test automation tools
Understanding of REST, YANG modelling, and JSON
Understanding of crun, microservices, containers, Kubernetes, and Kubernetes clusters
Awareness of tools and technologies such as Git, Jenkins, Selenium, JIRA, and Confluence
Excellent communication, analytical, and problem-solving skills
A collaborative team player with a positive attitude and a proactive approach to finding innovative solutions

Sophos operates a remote-first working model
Employee-led diversity and inclusion networks that build community and provide education and advocacy
Annual charity and fundraising initiatives and volunteer days for employees to support local communities
Global employee sustainability initiatives to reduce our environmental footprint
Global fitness and trivia competitions to keep our bodies and minds sharp
Global wellbeing days for employees to relax and recharge
Monthly wellbeing webinars and training to support employee health and wellbeing

Software Development Engineer in Test – Network Security

Key skills