{"id":3523580,"url":"https://alion.io/job/zscaler-principal-software-development-engineer-qa-networking","title":"Principal Software Development Engineer - QA + Networking","company":{"id":1208,"name":"Zscaler","domain":"zscaler.com","url":"https://alion.io/company/zscaler","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"B","score":84,"open_postings":55,"ghost_share":0.036,"stale_share":0.509,"repost_share":0.091,"time_to_fill_p50_days":46,"computed_at":"2026-10-31T05:58:55Z"}},"role":"Backend","role_family":"Backend","seniority":"lead","employment_type":null,"work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"explicit","locations":["Bengaluru, India"],"countries":["IN"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":26000,"max_usd":66000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":74},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AWS","optional":false},{"name":"CI/CD","optional":false},{"name":"Docker","optional":false},{"name":"GitLab","optional":false},{"name":"Jenkins","optional":false},{"name":"Kubernetes","optional":false},{"name":"Proxmox VE","optional":false},{"name":"Pytest","optional":false},{"name":"Python","optional":false},{"name":"Shift-Left Security","optional":false},{"name":"TCP/IP","optional":false},{"name":"Tcpdump","optional":false},{"name":"Wireshark","optional":false},{"name":"Zero Trust","optional":false},{"name":"Zscaler","optional":false}],"status":"live","first_seen_at":"2026-10-30T08:48:21Z","employer_posted_date":"2026-10-30","last_verified_at":"2026-10-31T05:59:16Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":0},"description":"Zscaler (NASDAQ: ZS) accelerates digital transformation so customers can be more agile, efficient, resilient, and secure. The Zscaler Zero Trust Exchange platform protects thousands of customers from cyberattacks and data loss by securely connecting users, devices, and applications in any location. Distributed across 200+ public data centers globally and thousands of private sites at the edge, the SASE-based Zero Trust Exchange is the world’s largest in-line cloud security platform.\nWe believe the future of work is Human + AI and are building an AI-native enterprise where human potential is amplified by machine intelligence to solve the world’s hardest security challenges. Driven by deep customer obsession, we are committed to the mission, outcome, and to each other. We bring these commitments to life through three core behaviors: ownership and collaboration, trust through outcomes and impact, and a challenge culture with ongoing feedback. Ready to make an impact at the company pioneering security transformation in the AI era? Join us at Zscaler.\nRole\nWe are looking for a Principal Software Development Engineer to join our team. This is a hybrid role based in Bangalore, India reporting to the Director Software Engineering in the Engineering department. You will join the team that built the world’s largest cloud security platform from the ground up, enabling organizations worldwide to harness speed and agility with a cloud-first strategy. With more than 100 patents and 15 million users across 185 countries, you will bring your vision to a team of experts dedicated to enhancing our multitenant architecture and global footprint.\nWhat you’ll do (Role Expectations)\nCollaborate with cross-functional teams during the design phase and maintain cloud-based software solutions\nDesign and develop innovative test strategies to simulate complex customer usage scenarios and test at scale using Python\nDevelop and maintain robust, scalable test automation frameworks and integrate automated APIs into CI/CD systems (Jenkins/GitLab)\nTake ownership of diagnosing and resolving customer issues, recreating production issues, and providing necessary workarounds for resolution\nProvide critical insights to the development team to enhance product debugging and serviceability features\nWho You Are (Success Profile)\nYou are a problem-solver who is energized by finding solutions to complex technical challenges and delivering high-impact outcomes.\nYou are customer-obsessed, anchoring your decisions in solving real-world customer issues and championing their needs from start to finish.\nYou are a high-trust collaborator who thrives in a team environment, giving and receiving candid feedback to build trust and achieve shared goals.\nYou are a learner with a growth mindset, constantly developing your technical skills and actively integrating feedback to improve.\nYou operate with urgency and maintain a strong bias for action, delivering high-impact, high-quality results in a dynamic environment.\nWhat We’re Looking for (Minimum Qualifications)\nFoundational understanding of AI/ML technologies and experience leveraging, securing, or positioning AI-driven solutions to optimize outcomes within your functional domain\nExtensive experience with TCP/IP, HTTP/HTTPS/TLS, and proficient with L4-L7 protocols, certificates, and debugging network flows using tools like tcpdump and Wireshark\nCCNP or equivalent knowledge and experience in the networking domain\nExperience building Python-based frameworks (preferably PyTest) for API, protocol, and system tests to drive reliability and coverage across microservices and experience with testing on cloud-based architectures and working with Cloud and Kubernetes ecosystems (AWS, Docker, VM, Proxmox)\nExperience integrating automation into CI/CD pipelines (Jenkins/GitLab), implementing shift-left gating, test data provisioning, and parallel execution\nWhat Will Make You Stand Out (Preferred Qualifications)\nExperience leveraging generative AI developer tools and copilots to optimize code generation, test design, and automated debugging workflows\nPractical experience with Security and Cloud-Security products/architectures\nKnowledge and hands-on experience with Zero Trust Network Access (ZTNA) architectures\nAt Zscaler, we are committed to building a team that reflects the communities we serve and the customers we work with. We foster an inclusive environment that values all backgrounds and perspectives, emphasizing collaboration and belonging. Join us in our mission to make doing business seamless and secure.\nOur Benefits program is one of the most important ways we support our employees. Zscaler proudly offers comprehensive and inclusive benefits to meet the diverse needs of our employees and their families throughout their life stages, including:\nVarious health plans\nTime off plans for vacation and sick time\nParental leave options\nRetirement options\nEducation reimbursement\nIn-office perks, and more!\nLearn more about Zscaler's hybrid working model and benefits here.\nBy applying for this role, you adhere to applicable laws, regulations, and Zscaler policies, including those related to security and privacy standards and guidelines.\nZscaler is committed to providing equal employment opportunities to all individuals. We strive to create a workplace where employees are treated with respect and have the chance to succeed. All qualified applicants will be considered for employment without regard to race, color, religion, sex (including pregnancy or related medical conditions), age, national origin, sexual orientation, gender identity or expression, genetic information, disability status, protected veteran status, or any other characteristic protected by federal, state, or local laws. See more information by clicking on the Know Your Rights: Workplace Discrimination is Illegal link.\nPay Transparency\nZscaler complies with all applicable federal, state, and local pay transparency rules.\nZscaler is committed to providing reasonable support (called accommodations or adjustments) in our recruiting processes for candidates who are differently abled, have long term conditions, mental health conditions or sincerely held religious beliefs, or who are neurodivergent or require pregnancy-related support.","description_format":"text","description_chars":6287,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Hybrid work","Parental leave"],"hiring_locations":[{"name":"India","iso":"IN","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Network Security","Cloud Security"],"lifecycle":[{"event":"open","at":"2026-10-30T13:10:55Z"}],"visa":[],"liveness":{"score":63,"band":"ok","label":"Likely open","p_open":1,"p_active":0.632,"p_room":1,"age_days":0,"expected_fill_days":46,"reasons":["seen:0","stale_co","velocity","win:early","comp:brand"],"computed_at":"2026-10-31T05:58:55Z"},"pay":null,"html_url":"https://alion.io/job/zscaler-principal-software-development-engineer-qa-networking","json_url":"https://alion.io/job/zscaler-principal-software-development-engineer-qa-networking.json","meta":{"generated_at":"2026-10-31T07:42:36Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":11448,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-01T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":1208},"rest":"https://alion.io/mcp/rest/get_company?id=1208"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fzscaler-principal-software-development-engineer-qa-networking"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fzscaler-principal-software-development-engineer-qa-networking"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fzscaler-principal-software-development-engineer-qa-networking"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/zscaler-principal-software-development-engineer-qa-networking\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fzscaler-principal-software-development-engineer-qa-networking"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3523580}},{"tool":"search_jobs","arguments":{"company":"zscaler.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3523580},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. 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