We are seeking an experienced Zscaler Engineer to support, maintain, optimize and improve an existing Zscaler cloud implementation for a large Government Agency. The ideal candidate will have extensive experience in Zscaler Internet Access (ZIA) and Zscaler Private Access (ZPA), ensuring secure and seamless network connectivity for enterprise environments.

Position Description

• Provide ongoing operational support, maintenance, and engineering with regards to the full Zscaler product suite (ZIA, ZPA, ZDX, ZCC) and related technologies for a currently deployed Zscaler implementation.
• Configure and tune the system to optimize performance and/or alerting.
• Leverage expertise and experience to actively troubleshoot complex networking and security issues related to Zscaler.
• Provide guidance on all aspects of Zscaler network and security capabilities for the customer.
• Ensure compliance with security standards, policies, and best practices for IT systems and data protection.
• Collaborate with cross-functional teams to integrate Zscaler with existing network, firewalls, external vendors, and server infrastructure to deliver high-quality technical support.
• Develop and maintain technical documentation, including network diagrams and security policies.
• Train and mentor internal teams on Zscaler best practices and security configurations.
• Interface with Zscaler Technical Support in the creation and resolution of issues.
• Assist in design and implementation of Zero Trust Network Access (ZTNA) strategies using Zscaler technologies.

Requirements

• Bachelors Degree and 8+ years of experience in network security, cloud security, or related fields. Additional years of experience may be substituted in lieu of degree.
• 2+ years of experience hands-on with Zscaler deployments in a professional support role.
• Experience deploying and operating ZScaler ZIA, ZTA, ZPA, and ZDX for large enterprises.
• Deep understanding of Zscaler Internet Access (ZIA) and Zscaler Private Access (ZPA), and Zscaler Client Connector.
• Experience with deployments and management of App Connectors and Branch Connectors.
• Familiarity with Zscaler’s cloud architecture and security services.
• Strong knowledge of networking protocols (TCP/IP, HTTP/HTTPS, DNS, etc.).
• Solid network and cybersecurity fundamentals knowledge.
• Knowledge of cybersecurity principles and best practices.
• Familiarity with cloud service providers (AWS, Azure, Google Cloud).
• Understanding of Trusted Internet Connections (TIC)
• Fundamental knowledge of MPLS and WAN routing principles
• Fundamental knowledge of IPv4 and IPv6 protocols
• Understanding of Zero Trust principles and Secure Web Gateway (SWG) architectures.
• Strong ability to work as part of a team, but also possess the drive and ability to perform duties autonomously if the project demands it.
• Must be able to obtain and maintain a public trust clearance.

Desirable Skills/Certifications:

• Zscaler Digital Transformation Administrator (ZDTA)
• Zscaler Digital Transformation Engineer (ZDTE)
• Zscaler Digital Experience Administrator (ZDXA)
• Proficiency with automation and scripting tools (Python, Ansible, Terraform)
• Network and Security Certifications a plus

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

December 4, 2025

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $107,900.00 - $195,050.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.