Senior Staff Software Engineer – Test Automation Infrastructure (ZIA Core)

Zscaler
San Jose
Workplace: HybridFull timeUSD 157,500 - 225,000 annuallyFunction: Software EngineeringExperience: 12+ yearsSkills: ["Ownership","Collaboration","Debugging","Troubleshooting","Mentoring"]

Own the architecture, development, and maintenance of scalable test automation infrastructure for ZIA Core Datapath, a cloud security platform processing 400B+ transactions daily. Build repeatable automation suites for L4–L7 technologies (cloud firewall, IPsec/GRE tunneling, load balancers, IPS/IDS, routing/switching), validate security stacks, troubleshoot complex network/firewall issues, and optimize the regression cycle while mentoring engineers across a hybrid team.

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FursaFursa
Zscaler
Zscaler
5 days ago

Senior Staff Software Engineer – Test Automation Infrastructure (ZIA Core)

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Last checked: 2 hours agoStatus: Live

Job Summary

Own the architecture, development, and maintenance of scalable test automation infrastructure for ZIA Core Datapath, a cloud security platform processing 400B+ transactions daily. Build repeatable automation suites for L4–L7 technologies (cloud firewall, IPsec/GRE tunneling, load balancers, IPS/IDS, routing/switching), validate security stacks, troubleshoot complex network/firewall issues, and optimize the regression cycle while mentoring engineers across a hybrid team.
Location: San Jose
Workplace: Hybrid
Employment Type: Full time
Job Function: Software Engineering
Seniority: Mid level

Key Responsibilities

  • •Architect, design, develop, and maintain scalable system test automation infrastructure for a cloud product processing 400B+ transactions per day.
  • •Build repeatable automation suites to validate L4–L7 technologies including cloud firewall, IPsec/GRE tunneling, load balancers, IPS/IDS, and routing/switching.
  • •Collaborate with cross-functional teams during design, development, and maintenance of cloud-based software solutions.
  • •Act as an owner and advocate for testing at scale, pushing the limits of the software under test with strong debugging/troubleshooting.
  • •Mentor and guide junior engineers and continuously optimize the regression cycle.

Pay and Benefits

Salary: USD 157,500 - 225,000 annually
Perks:Health InsurancePaid LeaveParental LeaveRetirementLearning Budget

Key Requirements

  • •12+ years of overall experience with strong programming skills building test automation frameworks in Python.
  • •Strong understanding of the TCP/IP protocol stack and web/security fundamentals including HTTP(S) and TLS/PKI.
  • •Hands-on exposure to L3/L4/L7 filtering policies and experience with load balancers, IPS/IDS, and routers.
  • •Proven experience in manual and automated functional, integration, performance, and scale testing for cloud security/SaaS products, including test plan and test case creation.
  • •Excellent debugging and troubleshooting skills to diagnose complex network infrastructure, HTTP/SSL, and firewall issues in customer environments.
Experience:12+ yearsCloud securitySaaSTest automationDistributed systemsNetwork infrastructure
Skills:OwnershipCollaborationDebuggingTroubleshootingMentoring
Tech Stack:PythonTCP/IPHTTP(S)TLSPKIDNSDHCPVPNIPsec/GRELoad balancersIPS/IDSRouting and switching

Company Brief

Zscaler
Provides cloud-native security platform delivering secure access, threat protection, and zero trust services to organizations, enabling secure internet and private application access without traditional network appliances.
Industry: Cybersecurity
Company Size: Enterprise (1,001+ employees)
Revenue: USD 1B+
Growth: Public Company
Valuation: Public Company (Market Cap in USD)
Funding: IPO / Publicly Listed
Headquarters: San Jose, United States
Founded: 2007
WebsiteLinkedIn