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Sr. Software Development Engineer in Test - Networking, Security, Automation

Trellix Bengaluru, Karnataka, India

hybridfull-time
Posted Feb 24, 2026

Role & seniority: Senior Software Development Engineer in Test (Sr. SDET) focusing on Networking, Security, and Automation; RBI (Remote Browser Isolation) domain.

Stack/tools: AWS and cloud services; Kubernetes; Linux; Python; Selenium; Wireshark; APIs; test automation; manual testing; network security product testing.

Top 3 responsibilities

  • Develop test strategies and test cases for RBI features; collaborate with developers and product managers.

  • Create end-to-end cloud solution tests ensuring scalability, availability, performance, and cost optimization.

  • Plan, estimate, and deliver QA/test deliverables; troubleshoot customer issues across teams.

Must-have skills

  • 5–8 years of software QA and automation experience.

  • Proficiency in Python and Selenium; strong scripting/automation capabilities.

  • Experience with AWS and Linux; knowledge of Kubernetes networking.

  • Network security testing background; familiarity with cyber security concepts and threat lifecycle.

  • API usage knowledge; ability to learn new technologies quickly; experience with testing tools like Wireshark.

Nice-to-haves

  • Deeper cyber security expertise; handling demanding customer use cases; broader automation technique experience.

Location & work type: Hybrid work model; global presence (offices in multiple countries); option for flexible/remote work as part of hybrid arrangement.

Full Description

Job Title: Sr. Software Development Engineer in Test - Networking, Security, Automation About Skyhigh Security: Skyhigh Security is a dynamic, fast-paced, cloud company that is a leader in the security industry. Our mission is to protect the world’s data, and because of this, we live and breathe security. We value learning at our core, underpinned by openness and transparency. Since 2011, organizations have trusted us to provide them with a complete, market-leading security platform built on a modern cloud stack. Our industry-leading suite of products radically simplifies data security through easy-to-use, cloud-based, Zero Trust solutions that are managed in a single dashboard, powered by hundreds of employees across the world. With offices in Santa Clara, Aylesbury, Paderborn, Bengaluru, Sydney, Tokyo and more, our employees are the heart and soul of our company. Skyhigh Security Is more than a company; here, when you invest your career with us, we commit to investing in you. We embrace a hybrid work model, creating the flexibility and freedom you need from your work environment to reach your potential. From our employee recognition program, to our ‘Blast Talks' learning series, and team celebrations (we love to have fun!), we strive to be an interactive and engaging place where you can be your authentic self. We are on these too! Follow us on LinkedIn and Twitter@SkyhighSecurity. Role Overview: Skyhigh Security is looking for Sr. SDETs who are self-driven and passionate to work on Remote Browser Isolation (RBI). The team is the ultimate quality gate before shipping to customers. Tasks range from manual and automated testing (including automation development), non-functional (performance, stress, soak), cross team collaboration and much more. Work on cutting edge technology. About the Role: Build solutions to secure data in SaaS applications. Work with Developers to understand the product and feature functionality to effectively devise test strategies and test cases. Work with Product Managers to analyze the requirements, crafting standardized test solutions across partners. Work with the Architect to create end-to-end cloud solution tests, ensuring high scalability, availability, performance, and cost optimization. Estimate, prioritizing and planning QA/Test deliverables. Troubleshoot customer issues and work with appropriate development, product teams on issue resolution on an end-to-end basis. Passion to work with demanding customer user stories/use cases, functional specification and design. About You: 5 to 8 years of experience as a Software QA and Automation Engineer Familiarity with essential/popular cloud services (AWS) and high level knowledge of Kubernetes Networking and security domain knowledge. Working knowledge and experience in Linux. Proficient in scripting, programming, and automation techniques. Strong Python skills and familiarity with Selenium. Hands-on experience in testing network security products. Familiarity with cyber security, threat actors and the end-to-end threat lifecycle. Plan, design, develop, verify, and maintain automated and manual test suites. Solid understanding of various testing tools such as Wireshark. Ability to quickly learn new technologies and integrate them into the automation infrastructure. Knowledge of APIs and their usage. Company Benefits and Perks: We believe that the best solutions are developed by teams who embrace each other's unique experiences, skills, and abilities. We work hard to create a dynamic workforce where we encourage everyone to bring their authentic selves to work every day. We offer a variety of social programs, flexible work hours and family-friendly benefits to all of our employees. Retirement Plans Medical, Dental and Vision Coverage Paid Time Off Paid Parental Leave Support for Community Involvement We're serious about our commitment to a workplace where everyone can thrive and contribute to our industry-leading products and customer support, which is why we prohibit discrimination and harassment based on race, color, religion, gender, national origin, age, disability, veteran status, marital status, pregnancy, gender expression or identity, sexual orientation or any other legally protected status. Our Commitment to You : At Skyhigh Security, we are committed to creating a safe and trustworthy experience for our customers, employees, and candidates. Please be aware that fraudulent recruiting activity can occur through fake job postings or impersonated communications. Skyhigh Security conducts interviews through professional channels only and does not use text messages, instant messaging, or group chats for interviews. We will never request sensitive personal information—such as your date of birth, Social Security number, or national ID number—during the interview process. Skyhigh Security also does not require candidates to pay fees, purchase products or services, or process payments of any kind as part of the recruiting or hiring process. And Skyhigh Security will never keep any original work authorization documents that we may be required to review during the hiring process. Trellix is a global company redefining the future of cybersecurity and soulful work. The company’s comprehensive, open and native cybersecurity platform helps organizations confronted by today’s most advanced threats gain confidence in the protection and resilience of their operations. Trellix, along with an extensive partner ecosystem, accelerates technology innovation through artificial intelligence, automation, and analytics to empower over 50,000 business and government customers with responsibly architected security. More at https://trellix.com.

Software QAAutomationCloud ServicesAWSKubernetesNetworkingSecurityLinuxScriptingProgrammingPythonSeleniumNetwork SecurityCyber SecurityWiresharkAPIsmulti-location

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