Cyber Security Engineer - Zscaler

My client, a Financial services organisation, are looking for a Cyber Security Zscaler Engineer on an initial 6 Month Contract.

The role is INSIDE of IR35 and paying £570 Per Day

This is a hands-on engineering role with significant design, troubleshooting, and cross-functional collaboration.

Key Responsibilities

Zscaler Engineering & Architecture

• Lead the end-to-end design, configuration, and deployment of Zscaler Internet Access (ZIA) and Zscaler Private Access (ZPA).
• Define Zscaler architecture standards, security policies, traffic routing strategies, and authentication models.
• Build and optimise Zscaler configurations for performance, resilience, and global scalability.
• Integrate Zscaler with identity providers (Okta, Azure AD), endpoint agents, and legacy network/security components.

Implementation & Delivery

• Drive enterprise-wide rollout plans, ensuring smooth deployment across global locations.
• Support Zero Trust transformation activities; enforce best-practice security posture through Zscaler features and policy frameworks.
• Lead troubleshooting and performance optimisation across distributed user bases and diverse network conditions.
• Collaborate with network engineering teams to manage GRE/IPSec tunnels, PAC files, and traffic forwarding configurations.

Cross-Functional Collaboration

• Work closely with security, networking, cloud, compliance, and engineering teams to ensure solution alignment.
• Provide technical leadership, mentoring, and guidance to engineers supporting the rollout.
• Act as the subject matter expert for all Zscaler-related queries, risks, and design decisions.

Documentation & Governance

• Produce high-quality engineering documentation, runbooks, design diagrams, and standards.
• Support operational readiness activities, including knowledge transfer to BAU/security operations teams.
• Ensure compliance with enterprise security, governance, and regulatory requirements.

Required Experience

• Proven experience leading Zscaler engineering initiatives in large enterprises.
• In-depth expertise with ZIA, ZPA, Zscaler Client Connector, policy tuning, and traffic routing.
• Strong background in networking (DNS, VPN, routing, firewalls, proxies) and cloud security principles.
• Hands-on experience integrating Zscaler with identity and access management platforms.
• Strong analytical and troubleshooting skills in complex, global environments.
• Excellent communication and stakeholder engagement skills.

Preferred Skills

• Experience in financial services or other highly regulated industries.
• Zero Trust architecture experience.
• Knowledge of SD-WAN, SASE, or other cloud security platforms.
• Relevant certifications (Zscaler, network/security vendor, cloud).