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
