Senior Zscaler Administrator

Overview

Senior Zscaler Administrator at KBR leads secure access engineering across ZIA, ZPA, ZDX, and ZCC to support a modern, distributed workforce. You will partner with cybersecurity, networking, and cloud teams to design and operate Zero Trust and SASE-enabled solutions in complex, highly regulated environments. You’ll drive automation, incident response, and continuous improvement to improve user experience and security posture. This role offers impact at scale, shaping enterprise secure access in a global, government-connected context. You will be at the forefront of Zero Trust transformation initiatives across the organization.

Responsibilities

• Administer and optimize ZIA, ZPA, ZDX, and ZCC environments
• Configure policies, forwarding, segments, connectors, URL filtering, SSL inspection, and data protection controls
• Monitor health, security events, and performance across Zscaler ecosystem
• Troubleshoot connectivity, authentication, and policy enforcement issues
• Manage ZCC deployment across Windows, macOS, iOS, Android; coordinate with endpoint management tools
• Integrate with Microsoft Entra ID, Active Directory, Conditional Access, SSO, MFA; maintain identity workflows
• Deploy and maintain ZPA App Connectors across diverse environments
• Participate in incident, problem, change, and vulnerability management in CAB-controlled settings
• Develop automation, scripts, reports, and tooling for compliance, health, and remediation
• Create technical docs, runbooks, and knowledge transfer materials
• Collaborate to enhance secure access capabilities and operational maturity
• Support Zero Trust, SASE, VPN modernization, tenant migrations, and enterprise transformation programs
• Drive continuous improvement in automation, reliability, and user experience

Key requirements

• 7+ years of experience in enterprise cybersecurity, networking, secure access, or cloud security
• Hands-on experience with ZIA and ZPA in large-scale enterprises
• Experience supporting secure remote access, cloud security platforms, and Zero Trust initiatives
• Experience in highly regulated, large-scale environments
• Eligibility for UK Security Clearance
• Bachelor’s degree in a related field or equivalent experience

• Excellent communication and stakeholder management
• Strong problem-solving and analytical abilities
• Collaborative, cross-functional teamwork mindset
• Zscaler Internet Access (ZIA)
• Zscaler Private Access (ZPA)
• Zscaler Digital Experience (ZDX)

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