Network Engineer with Zscaler Experience

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Inside IR35

The Zscaler Technical Specialist provides deep technical expertise in Zscaler technologies to enhance and optimize the organization's secure access and cloud security posture. Working closely with Engineering, Network, and Security teams, this role uplifts internal capability, improves configuration and deployment practices, and ensures the Zscaler platform is fully leveraged to deliver secure, scalable, and high-performance connectivity across global Diplomatic and Development Services.This position plays a key role in driving best practices, reducing technical debt, and aligning Zscaler capabilities with strategic business objectives.

• Lead the design, configuration, and optimization of Zscaler Internet Access (ZIA), Zscaler Private Access (ZPA), and Zscaler Digital Experience (ZDX).

• Conduct in-depth assessments of existing Zscaler deployments to identify gaps and opportunities for enhancement.

• Develop and implement policies, rules, and workflows to improve security effectiveness, user experience, and operational performance.

• Deliver knowledge-transfer sessions, coaching, and technical uplift to strengthen the Engineering Team's capability in deploying and managing Zscaler solutions.

• Collaborate with network, security, identity, and infrastructure teams to ensure seamless integration with enterprise systems and architectures.

• Troubleshoot complex issues, perform root-cause analysis, and provide advanced support for escalated incidents related to Zscaler services.

• Contribute to documentation, governance, compliance, and operational standards for Zscaler configuration and lifecycle management.

• Support ongoing platform improvements, automation efforts, and best-practice adoption to enhance reliability and scalability.

• Proven hands-on experience with Zscaler Internet Access (ZIA), Zscaler Private Access (ZPA), and Zscaler Digital Experience (ZDX), including advanced configuration and policy design.

• Strong understanding of Zero Trust architecture, secure web gateways, and cloud security principles.

• Expertise in networking protocols (TCP/IP, DNS, HTTP/HTTPS), VPN technologies, and identity integration (SAML, OAuth, LDAP).

• Familiarity with firewall policies, proxy architecture, SSL inspection, and traffic forwarding methods.

• Experience integrating Zscaler with identity providers (e.g., Azure AD, Okta) and endpoint management solutions.

• Ability to analyze logs, troubleshoot complex connectivity issues, and optimize performance across distributed environments.

• Knowledge of scripting or automation (PowerShell, Python, APIs) for configuration, reporting, or workflow automation (highly desirable).

• Strong communication skills with the ability to explain technical concepts to varied audiences and uplift team capability.

• Relevant certifications such as Zscaler ZCCA-IA/ZCCA-PA, CCNP, CISSP, or cloud certifications (Azure, AWS).

• Experience in large-scale or global enterprise environments.

• Strong documentation, governance, and continuous improvement mindset.

Reasonable Adjustments:

Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built, and we welcome applications from people of all backgrounds and perspectives. Our success is driven by our people, united by the spirit of partnership to deliver the best resourcing solutions for our clients.

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