Senior Software Engineer (Python SDET)

extra holidays - fully flexible
Work set-up: 
Full Remote
Contract: 
Experience: 
Senior (5-10 years)
Work from: 

Offer summary

Qualifications:

6-8 years of experience in test automation framework development., Proficiency in Python, including REST API development with Flask., Strong expertise in Robot Test Framework, Perl, JavaScript, and Linux shell scripting., Solid knowledge of MySQL, Git, and Jenkins for automation and CI/CD processes..

Key responsibilities:

  • Design, build, and maintain a scalable test automation framework for security products.
  • Develop reusable components and APIs for testing using various tools and languages.
  • Collaborate with cross-functional teams to align testing frameworks with product needs.
  • Mentor team members and ensure the quality and reliability of the automation framework.

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Sophos Large https://www.sophos.com/
1001 - 5000 Employees
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Job description

About Us
Sophos is a global leader and innovator of advanced security solutions for defeating cyberattacks. The company acquired Secureworks in February 2025, bringing together two pioneers that have redefined the cybersecurity industry with their innovative, native AIoptimized services, technologies and products. Sophos is now the largest pureplay Managed Detection and Response (MDR) provider, supporting more than 28,000 organizations. In addition to MDR and other services, Sophos’ complete portfolio includes industryleading endpoint, network, email, and cloud security that interoperate and adapt to defend through the Sophos Central platform. Secureworks provides the innovative, marketleading Taegis XDRMDR, identity threat detection and response (ITDR), nextgen SIEM capabilities, managed risk, and a comprehensive set of advisory services. Sophos sells all these solutions through reseller partners, Managed Service Providers (MSPs) and Managed Security Service Providers (MSSPs) worldwide, defending more than 600,000 organizations worldwide from phishing, ransomware, data theft, other every day and statesponsored cybercrimes. The solutions are powered by historical and realtime threat intelligence from Sophos XOps and the newly added Counter Threat Unit (CTU). Sophos is headquartered in Oxford, U.K. More information is available at www.sophos.com.

Role Summary
We are seeking a highly skilled and motivated Senior Test Automation Developer to help develop and maintain a scalable, reusable, and extensible test automation framework for our enterprise firewall and network security products. This is a core development role focused on building and maintaining the framework infrastructure.This position requires deep experience in automation frameworks, API services and integration tools. Youll work across teams to ensure testing systems are CIready, maintainable, and provide visibility through monitoring and reporting tools.

Our Test Automation Framework (TAF) Team plays a pivotal role in ensuring the quality, reliability, and scalability of our testing infrastructure across the entire product lifecycle. The team is responsible for designing, building, and maintaining robust, reusable, and extensible test automation frameworks that empower QA and Development teams to efficiently validate functionality, performance, and security of our products. This highly skilled team works at the intersection of Software Development, Quality Engineering, DevOps and Infrastructure teams.

What You Will Do
  • Architect, build, and maintain a highperformance test automation framework tailored for firewall and network security products.
  • Design and implement reusable components, libraries, and interfaces for Robot Test Framework, covering API, CLI, and UI testing using Selenium.
  • Develop RESTful APIs using Python Flask for automation orchestration, execution tracking, and result analysis.
  • Build automation utilities and framework modules using Perl, Python, and JavaScript.
  • Desing and development of complex UIs built on ExtJS using NodeJS.
  • Use MySQL for managing test metadata, configuration state, and test results.
  • Integrate the framework with Git and Jenkins for continuous integration and test execution pipelines.
  • Collaborate with QA, DevOps, and Development teams to align framework capabilities with test strategy and product needs.
  • Provide mentorship, perform code reviews, and ensure framework quality, scalability, and reliability.

  • What You Will Bring
  • 68 years of experience in test automation framework development (not limited to test scripting).
  • Strong expertise in Robot Test Framework, including custom keyword and library development.
  • Proficient in Python, with handson experience building REST APIs using Flask.
  • Proficient with Perl, JavaScript, and Linux shell scripting.
  • Solid knowledge of MySQL for backend automation support and reporting.
  • Strong command over Git (version control) and Jenkins (CICD pipeline management).
  • Practical experience with GCOV or similar tools for code coverage analysis.
  • Fair understanding of networking protocols (TCPIP, VPN, NAT, etc.)
  • Strong problemsolving, debugging, and team collaboration skills.

  • Desirable skills

  • Experience with Go (Golang) for tool or microservice development.
  • Implement code coverage tracking using GCOV to ensure test completeness and visibility.
  • Familiarity with monitoring dashboards using Grafana for automation visibility and metrics.
  • Experience with virtualized test environments (Proxmox, VMware, KVM) or containerized labs (Docker, Kubernetes).

  • #LIRemote
    #B2

    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 dont 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. Dont let a checklist hold you back – we encourage you to apply.

    Whats Great About Sophos?
    · Sophos operates a remotefirst 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 organization, applicants must have legal authorization to work in the jurisdiction where the position is posted, without requiring employer sponsorship.
    · Our people – we innovate and create, all of which are accompanied by a great sense of fun and team spirit
    · Employeeled 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

    Our Commitment To You
    We’re proud of the diverse and inclusive environment we have at Sophos, and we’re committed to ensuring equality of opportunity. We believe that diversity, combined with excellence, builds a better Sophos, so we encourage applicants who can contribute to the diversity of our team. All applicants will be treated in a fair and equal manner and in accordance with the law regardless of gender, sex, gender reassignment, marital status, race, religion or belief, color, age, military veteran status, disability, pregnancy, maternity or sexual orientation. We want to give you every opportunity to show us your best self, so if there are any adjustments we could make to the recruitment and selection process to support you, please let us know.

    Data Protection
    If you choose to explore an opportunity, and subsequently share your CV or other personal details with Sophos, these details will be held by Sophos for 12 months in accordance with our Privacy Policy and used by our recruitment team to contact you regarding this or other relevant opportunities at Sophos. If you would like Sophos to delete or update your details at any time, please follow the steps set out in the Privacy Policy describing your individual rights. For more information on Sophos’ data protection practices, please consult our Privacy Policy Cybersecurity as a Service Delivered | Sophos
  • Required profile

    Experience

    Level of experience: Senior (5-10 years)
    Spoken language(s):
    English
    Check out the description to know which languages are mandatory.

    Other Skills

    • Problem Solving

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