Network Engineer with Zscaler Experience

Network Engineer with Zscaler Experience

Posted 1 day ago by Sanderson Government & Defence

Negotiable
Inside
Undetermined
London Area, United Kingdom

Summary: The Network Engineer with Zscaler Experience is responsible for enhancing the organization's secure access and cloud security posture through deep technical expertise in Zscaler technologies. This role involves collaboration with various teams to optimize configurations, improve deployment practices, and ensure effective use of the Zscaler platform. The position also focuses on driving best practices and aligning Zscaler capabilities with strategic business objectives. An active DV clearance is required for this role, which is classified as inside IR35.

Key Responsibilities:

  • 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.

Key Skills:

  • 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.

Salary (Rate): undetermined

City: London Area

Country: United Kingdom

Working Arrangements: undetermined

IR35 Status: inside IR35

Seniority Level: undetermined

Industry: IT

Detailed Description From Employer:

Network Engineer with Zscaler Experience

You must have an active DV for this role

Inside IR35

Purpose of the Role

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.

Key Responsibilities

  • 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.

Required Skills & Experience

  • 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.

Desirable Attributes

  • 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.