C2C Onsite of Zscaler Security Engineer at Mountain View CA

Job Title:

Zscaler Security Engineer

Location:

Mountain View CA / San Diego CA / Plano TX (Min 3 days/week)

Contract

• Deploy and manage Zscaler solutions: ZIA, ZPA, ZDX for large enterprise environments.
• Design and optimize security policies: SSL Inspection, URL Filtering, Sandbox, Access & Timeout Policies, Client Forwarding.
• Support Zscaler migration and integration with Workspace ONE / MDM platforms.
• Deploy and manage ZPA App Connectors in data centers and cloud (AWS preferred).
• Endpoint & Zscaler Client Connector (ZCC) – manage ZCC agent profiles, configuration updates, rollout strategy.
• Maintain SSL Inspection Exemption lists for certificate‑pinned applications.
• Support development and monitoring of DLP policies.
• Advanced Troubleshooting & Operations – perform L3–L7 troubleshooting using tools such as Wireshark, tcpdump, MTR, Zscaler Analyzer, ZSATunnel & ZSATray logs.
• Use ZDX and other Zscaler diagnostics to analyze latency and performance issues.
• Act as Level‑3 escalation for P1/P2 incidents and coordinate with Zscaler TAMs & Support.
• Manage Zscaler‑related tickets and escalations in Service Now.
• Collaboration & Documentation – collaborate with infrastructure, cloud, network, and security teams.
• Create and maintain SOPs, documentation, and knowledge articles.

• BS/MS in Computer Science or related area or equivalent relevant experience.
• 8+ years of network security / cloud security / Zero Trust.
• Strong hands‑on expertise with ZIA, ZPA, ZDX, ZCC (mandatory).
• Solid understanding of TCP/IP, DNS, HTTP/HTTPS, TLS/SSL, Proxy architecture, authentication (SAML/AD), IPSec/GRE.
• Proficiency in packet analysis (Wireshark, tcpdump).
• Experience with AWS/GCP (networking fundamentals).
• Strong analytical, problem‑solving, and creative mindset.
• Experience with various Software Development Lifecycle Process (Agile Development, SCRUM methodologies, etc.).
• Strong stakeholder communication with leadership and cross‑functional teams.
• Excellent communication skills – communicates clearly, succinctly, and persuasively to all levels of employees, customers, and management.
• Ability to work independently and lead problem‑solving efforts.
• Excellent troubleshooting and documentation skills.
• Ability to work under pressure and in fast‑paced enterprise environments.

• Zscaler: ZCCP‑IA, ZCCP‑PA, ZCCA
• Security: CEH, CISSP (added advantage)
• Networking: CCNP Security
• AWS Cloud Certifications