Senior Staff Software Development Engineer, ZIA Core Datapath

The role

You will own the architecture, development and upkeep of a large-scale system test automation infrastructure for ZIA Core Datapath, a cloud security platform processing 400B+ transactions daily. You will build test suites for L4-L7 technologies and mentor engineers.

What you will do

• Collaborate with cross-functional teams on design, development and maintenance of cloud-based software
• 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
• Act as owner and advocate for testing at scale, pushing the limits of the software under test
• Mentor and guide junior engineers, take full ownership of features, and continuously optimize the regression cycle

Required qualifications

• Foundational understanding of AI/ML technologies and experience leveraging, securing or positioning AI-driven solutions within your functional domain
• 12+ years of overall experience
• Strong programming skills in building test automation frameworks in Python
• Solid understanding of TCP/IP, 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, with hands-on exposure to 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 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 to improve test coverage and productivity
• 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

Benefits

• Various health plans
• Time off plans for vacation and sick time
• Parental leave options
• Retirement options
• Education reimbursement
• In-office perks

Before you apply

• Zscaler is committed to providing reasonable accommodations in its recruiting processes for candidates who need them

About the company

Zscaler provides a Zero Trust Exchange cloud security platform that protects customers from cyberattacks and data loss. Its SASE-based platform runs across 200+ public data centers and thousands of private edge sites.