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.

Location: Preston - ad hoc travel to site - mainly remote

Duration: 6 months

Day rate £(Apply online only) a day - Inside IR35

Key Skills & Experience Required

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
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
For further information please contact Sarah Owen (phone number removed) or email