Zscaler Cyber Engineer

We are looking for a Zscaler Engineer to join the Cyber team on a contract basis to to provide technical leadership for the migration of web proxy services from a legacy Trend solution to Zscaler Internet Access (ZIA), ensuring effective coordination of engineering teams, data-driven technical planning, and successful migration execution within a structured delivery environment., The Zscaler Engineer role will be required to and to demonstrate that they can undertake the following;

Technical Leadership

• Provide hands-on technical leadership across Infrastructure and Network Engineering teams, guiding in resolving technical issues and design challenges
• Provide subject matter expertise across Zscaler (ZIA, ZPA, and CASB) and Azure
• Review the relevant Zscaler Designs and act as the escalation point for technical migration challenges

Migration Delivery

• Work with the PM to plan and then oversee execution of the proxy migration workstream across both the on-premises and Azure estates
• Technical management of the migration waves, cutover activities, and rollback planning
• Ensure minimal service disruption and alignment with security standards
• Coordinate interdependencies with infrastructure, application, and network teams

Data Management & Planning

• Own and govern the core engineering dataset (Excel-based) supporting migration
• Develop and maintain technical artefacts and engineering controls to support engineering decision-making

Governance & Reporting

• Provide technical assurance and reporting into the project manager
• Identify and manage technical risks, issues, and constraints
• Ensure consistency and quality across project engineering outputs

Deliverables

• Technical server migration control dataset
• Maintained and validated migration dataset
• Technical progress reporting (status, risks, issues, dependencies)
• Successful migration of in-scope services to ZIA
• Post-migration validation and issue resolution

• Deep technical expertise in:

• Zscaler ZIA and ZPA (CASB desirable)

• Identity integration (Entra ID, SSO, SCIM, Conditional Access)

• Azure IaaS and networking (VPN Gateway, routing, connectivity design)

• Strong working knowledge of:

• Enterprise networking (routing, switching, firewalls)

• Security operations, logging, and SIEM integration

Proven experience leading engineering teams across infrastructure / network / security transformations

Strong data handling capability, including advanced Excel for engineering control and analysis

Ability to operate effectively within ambiguous, evolving technical environments