What are the responsibilities and job description for the Network Administrator position at Vertisystem Inc.?
Location: Pleasanton, CA
Duration: 12 months
We are seeking a Senior Zscaler Network Engineer (Contractor) to enhance our current Zscaler rollout capacity and strengthen day-to-day operational support. This role will focus on Zscaler Internet Access (ZIA), Zscaler Private Access (ZPA), and their integration with Palo Alto firewalls, Cisco networking, and Okta.
The engineer will work closely with an existing Principal Network Engineer and the broader network/security teams to:
- Scale and optimize our ZIA and ZPA deployments
- Troubleshoot complex, day-to-day Zscaler and network issues
- Own technical intake and assessment for new Zscaler-related projects from internal organizations
- Mentor and upskill other team members on Zscaler and related network and identity technologies
Must Have:
Current Zscaler certification (e.g., Zscaler Certified Associate / Professional / Architect or equivalent).
Practical experience integrating Zscaler with: Palo Alto firewalls Cisco networking (routing, switching, VPN/SD-WAN) Okta for identity, SSO, and group-based access - Need to know and have worked around them - Cisco
Solid understanding of: TCP/IP, DNS, HTTP/HTTPS, SSL/TLS Routing, switching, VPNs, and SD-WAN Zero Trust Network Access (ZTNA) principles and secure remote access patterns
Zscaler Internet Access (ZIA)
Current Zscaler certification (e.g., Zscaler Certified Associate / Professional / Architect or equivalent).
Practical experience integrating Zscaler with: Palo Alto firewalls Cisco networking (routing, switching, VPN/SD-WAN) Okta for identity, SSO, and group-based access - Need to know and have worked around them - Cisco
Solid understanding of: TCP/IP, DNS, HTTP/HTTPS, SSL/TLS Routing, switching, VPNs, and SD-WAN Zero Trust Network Access (ZTNA) principles and secure remote access patterns
Zscaler Internet Access (ZIA)