Role Overview

We are seeking a Zscaler & Network Security Engineer responsible for administering, monitoring, troubleshooting, and continuously improving secure internet access, endpoint connectivity, remote access, and security controls. The role will work closely with security operations, network teams, and senior security stakeholders to maintain a strong security posture while ensuring reliable user connectivity.

Key Responsibilities
- Administer and maintain Zscaler Internet Access (ZIA) policies, including:
- SSL inspection
- Application control
- Sandbox policies
- URL filtering
- CASB controls
- Malware exceptions, blocks, and security policies
- Manage and troubleshoot Zscaler Client Connector (ZCC) deployments, including installation, connectivity, authentication, policy enforcement, and endpoint-related issues.
- Manage PAC file changes through a controlled, tested, peer-reviewed, and approved deployment process.
- Monitor security alerts and operational dashboards, investigate issues, and resolve day-to-day security incidents within defined SLAs.
- Raise,



document, implement, and drive changes through formal Change Control processes, particularly where changes deviate from the approved security baseline.
- Manage and troubleshoot VPN/remote-access solutions, such as Palo Alto GlobalProtect, addressing connectivity, authentication, performance, and user-access issues.
- Use asset inventory and vulnerability-management tools, such as Qualys or similar platforms, to support troubleshooting, asset identification, security investigations, and vulnerability-management activities.
- Review and assess policy, URL, application, and whitelisting requests, escalating higher-risk requests to senior security stakeholders for appropriate risk assessment and approval.
- Apply least-privilege access principles across different user populations, including employees, contractors, privileged users, and executives.
- Support security audits and compliance reviews by colle

📌 Senior Engineer (Città Metropolitana di Cagliari)
🏢 OnX
📍 Città Metropolitana di Cagliari