Senior Staff Software Engineer – Test Automation Infrastructure (ZIA Core)
Zscaler · San Jose, California, USA
Posted 15 days ago
or apply directly on Zscaler's site. We never take the application ourselves.
Is this posting real?
- This role has been open
- 15 days Zscaler's roles stay open a median of 40 days
- Reposted
- No
- Salary listed
- No 0% of Zscaler's roles list one
- Ghost-job risk at Zscaler
- low 0 stale, 19 reposted of 370 open
- Hiring momentum
- 564 roles opened in the last 90 days ↑ up vs. the prior 90 days
- Last confirmed on the employer's board
- 2026-09-17
Measured from postings appearing on and disappearing from Zscaler's own greenhouse board since 2026-08-03. Full hiring picture for Zscaler.
About this role
The Senior Staff Software Engineer – Test Automation Infrastructure role at Zscaler involves owning the architecture, development, and maintenance of a high-scale test automation infrastructure for the ZIA Core Datapath, which processes over 400 billion transactions daily. Responsibilities include building automation suites for L4-L7 technologies, validating cloud security features, diagnosing customer issues, and mentoring junior engineers while optimizing regression processes.
- benefits
- 3/5
- freshness
- 4/5
- career value
- 4/5
- role clarity
- 4/5
- pay transparency
- 0/5
Scored from the posting itself — how clearly the role is described, how much it says about pay and benefits, and how recently it was listed. Not a judgement of Zscaler as an employer.
What you need
- 12+ years of overall experience with strong programming skills in building test automation frameworks in Python
- Foundational understanding of AI/ML technologies
- Solid understanding of the TCP/IP protocol stack, HTTP(S), TLS, PKI, DNS, DHCP, VPN, HA, routing and switching, and tunneling methods such as IPsec/GRE
- Strong background in L3, L4, and L7 filtering policies
- Proven experience in manual and automated functional, integration, performance, and scale testing for cloud security/SaaS products
- Excellent debugging/troubleshooting skills to diagnose and resolve complex network infrastructure, HTTP/SSL, and firewall issues in customer environments
Nice to have
- Experience leveraging AI-assisted coding, static/dynamic analysis, or intelligent automation tools
- Hands-on experience with traffic generators, performance/load testing tools, and fuzzing techniques
- Track record of mentoring junior engineers and leading large-scale test automation or quality initiatives for distributed cloud systems
What you get
- Various health plans
- Time off plans for vacation and sick time
- Parental leave options
- Retirement options
- Education reimbursement
- In-office perks, and more!
Worth weighing
- Hybrid role requiring 3 days per week in the San Jose office
- No specific mention of the tech stack beyond Python and L4-L7 technologies
- Base salary range provided but excludes commission/bonus/equity
Summarised from Zscaler's posting. Read the full original.
Listed by Zscaler on their greenhouse job board, last confirmed open on 2026-09-17. PitchMeAI is not the employer.
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