Security Support Engineer (Level.3 / Zscaler)

Xalient is a global boutique specialising in the convergence of identity-driven security and secure networking. We help the world’s leading enterprises stay secure, connected, and ready for the future - bringing together deep technical expertise, business insight, and AI-powered innovation to solve the complex challenges of modern digital businesses.

Independent by design and driven by a passion for exceptional service, Xalient combines global reach with the agility and customer intimacy of a boutique provider. Our advisory, professional, and managed services teams operate across the UK, US, EMEA and Asia - delivering fast, tangible outcomes and long-term impact.

Xalient is trusted by forward-thinking enterprises to reduce risk, optimise performance, and navigate today’s digital complexity with confidence.

This is a remote, working from home role, and offers a competitive salary and benefits package.

We are seeking an experienced Level 3 Security Support Engineer to join our Zscaler Managed Services team. This role is responsible for advanced troubleshooting, implementation, and optimization of Zscaler security solutions. As a key escalation point, you will work closely with clients, internal teams, and vendors to ensure seamless security operations.

What you’ll be doing

• Provide Level 3 support for Zscaler Internet Access (ZIA) and Zscaler Private Access (ZPA) solutions.
• Troubleshoot complex issues related to connectivity, policy enforcement, authentication, and performance.
• Lead root cause analysis and resolution of critical incidents.
• Implement and optimize Zscaler configurations in alignment with security best practices.
• Collaborate with vendors and internal teams to resolve escalated issues.
• Assist in designing and deploying Zscaler solutions for new implementations.
• Develop and maintain documentation for configurations, troubleshooting procedures, and best practices.
• Conduct technical training sessions for Level 1 and Level 2 support teams.
• Monitor system performance and recommend enhancements.
• Stay updated on Zscaler product updates and industry trends.

What you’ll need

Preferred Qualifications :

Benefits :

Equal Opportunities Statement

We are an equal opportunities employer and welcome applications from all suitably qualified persons regardless of their race, sex, disability, religion / belief, sexual orientation, gender reassignment, marriage and civil partnerships, pregnancy or maternity or age.

Our Commitment to Diversity