Zscaler Cyber Engineer

We are looking for a Zscaler Engineer to join the Cyber team on a contract basis 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

Compensation

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 require (and must demonstrate) 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

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