Zscaler Cyber Engineer

Job Description

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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.

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

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Duration: 6 months

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Day rate £450 -500 a day - Inside IR35

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Key Skills & Experience Required

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• Deep technical expertise in:

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• Zscaler ZIA and ZPA (CASB desirable)

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

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

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• Strong working knowledge of:

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• Enterprise networking (routing, switching, Firewalls)

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• Security operations, logging, and SIEM integration

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

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

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• Ability to operate effectively within ambiguous, evolving technical environments

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• Strong knowledge of Excel for Data Analysis

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The Zscaler Engineer role will be required to and to demonstrate that they can undertake the following;

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Technical Leadership

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• Provide hands-on technical leadership across Infrastructure and Network Engineering teams, guiding in resolving technical issues and design challenges

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• Provide subject matter expertise across Zscaler (ZIA, ZPA, and CASB) and Azure

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• Review the relevant Zscaler Designs and act as the escalation point for technical migration challenges

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Migration Delivery

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• Work with the PM to plan and then oversee execution of the Proxy migration workstream across both the on-premises and Azure estates

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• Technical management of the migration waves, cutover activities, and rollback planning

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• Ensure minimal service disruption and alignment with security standards

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• Coordinate interdependencies with infrastructure, application, and network teams

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Data Management & Planning

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• Own and govern the core engineering dataset (Excel-based) supporting migration

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• Develop and maintain technical artefacts and engineering controls to support engineering decision-making

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Governance & Reporting

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• Provide technical assurance and reporting into the project manager

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• Identify and manage technical risks, issues, and constraints

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• Ensure consistency and quality across project engineering outputs

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Deliverables

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• Technical server migration control dataset

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• Maintained and validated migration dataset

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• Technical progress reporting (status, risks, issues, dependencies)

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• Successful migration of in-scope services to ZIA

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• Post-migration validation and issue resolution

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For further information please contact Sarah Owen (see below)