Senior Staff Software Development Engineer, ZIA Core Datapath

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

Own the architecture, development, and maintenance of scalable system test automation infrastructure for ZIA Core Datapath, a cloud security platform handling 400B+ transactions daily. Build repeatable automation suites for L4–L7 technologies (cloud firewall, IPsec/GRE tunneling, load balancers, IPS/IDS, routing/switching), validate stacks, and debug complex network and HTTP/SSL/firewall issues. Mentor engineers and continuously optimize regression testing for high-quality releases.

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FursaFursa
Zscaler
Zscaler
5 days ago

Senior Staff Software Development Engineer, ZIA Core Datapath

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Last checked: 2 hours agoStatus: Live

Job Summary

Own the architecture, development, and maintenance of scalable system test automation infrastructure for ZIA Core Datapath, a cloud security platform handling 400B+ transactions daily. Build repeatable automation suites for L4–L7 technologies (cloud firewall, IPsec/GRE tunneling, load balancers, IPS/IDS, routing/switching), validate stacks, and debug complex network and HTTP/SSL/firewall issues. Mentor engineers and continuously optimize regression testing for high-quality releases.
Location: San Jose
Workplace: Hybrid
Employment Type: Full time
Job Function: Solutions Engineering & Sales 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.
  • •Drive testing at scale by pushing the limits of the software under test using strong coding methodologies and rigorous debugging.
  • •Validate cloud firewall and tunneling stacks, diagnose customer issues, and resolve complex network infrastructure and firewall problems.
  • •Mentor and guide junior engineers, take full ownership of features, and continuously optimize regression cycle performance and coverage.

Pay and Benefits

Salary: USD 157,500 - 225,000 annually
Perks:Health InsurancePaid LeaveParental LeaveRetirement Options

Key Requirements

  • •12+ years of overall experience with strong programming skills building test automation frameworks in Python.
  • •Strong understanding of TCP/IP and protocols including HTTP(S), TLS, PKI, DNS, DHCP, VPN, HA, and routing/switching.
  • •Hands-on exposure to L3/L4/L7 filtering with experience working 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 automationNetworkingDistributed systems
Skills:DebuggingTroubleshootingMentoringCollaborationOwnership
Languages:English
Tech Stack:PythonTCP/IPHTTPHTTPSTLSPKIDNSDHCPVPNIPsecGRELoad balancersIPSIDSRoutingSwitchingL4-L7Static analysisDynamic analysisAI-assisted coding

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