Freelance Zscaler Engineer – Zia Architecture And Operations

Company DescriptionThreatXIntel is a startup cyber security company dedicated to safeguarding businesses and organizations from cyber threats. Our experienced team specializes in services such as cloud security, web and mobile security testing, cloud security assessments, and DevSecOps. We focus on delivering tailored, affordable solutions to meet the unique needs of clients, especially startups and small businesses. With a proactive approach, ThreatXIntel identifies and mitigates vulnerabilities to ensure our clients' digital environments remain secure. Our mission is to provide exceptional security solutions, enabling businesses to thrive with confidence.Role DescriptionWe are seeking a highly skilled Zscaler Engineer with deep expertise in Zscaler Internet Access (ZIA) to provide short-term technical and architectural support for our enterprise security environment. The ideal engineer will combine strategic design capabilities with strong hands-on troubleshooting skills to optimize configurations, improve performance, and enhance user access across a global Zscaler deployment.Key Responsibilities- Serve as the subject matter expert for ZIA configuration, policy restructuring, and performance optimization - Analyze and refine current ZIA policies to enhance both security posture and end-user experience - Troubleshoot complex connectivity, authentication, and policy enforcement issues - Resolve challenges with Zscaler Client Connector deployment, integration, and user onboarding - Provide architectural recommendations and implementation support for Zscaler best practices - Collaborate with Infrastructure, Security Operations, and IT Support teams to ensure seamless adoption - Create and maintain documentation, runbooks, and troubleshooting guides for ZIA environment managementRequired Skills and Qualifications- 4+ years of hands-on experience administering and architecting Zscaler Internet Access (ZIA) environments - Strong background in policy configuration, SSL inspection, user authentication, and traffic routing - Proven experience integrating Zscaler with Azure AD, MFA, Intune, or JAMF for identity and endpoint management - Excellent understanding of network protocols (DNS, TCP / IP, SSL / TLS, VPN, GRE / IPSec tunnels) - Ability to conduct root-cause analysis, optimize Zscaler performance, and deliver quick remediation - Experience balancing architectural planning with direct hands-on execution - Strong communication and stakeholder management skillsNice to Have- Exposure to Zscaler Private Access (ZPA) or Cloud Security Posture Management (CSPM) - Familiarity with proxy migration projects or hybrid network transitions - Experience with scripting or automation (PowerShell, Python, or API-based automation for Zscaler)