Security Support Engineer

Company Description

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.

Position

We are seeking an experienced Level 3 Security Support Engineer to join our Zscaler Managed Services team.

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.

Requirements:

What you’ll need

• 5+ years of experience

  in network security or cloud security engineering roles.
• Expertise in Zscaler technologies, including ZIA, ZPA, and Zscaler Client Connector.
• Strong understanding of networking protocols (TCP/IP, DNS, HTTP/HTTPS, GRE, IPsec, etc.).
• Experience with authentication protocols (SAML, OAuth, LDAP, Active Directory, etc.).
• Familiarity with firewall policies, proxy configurations, and secure web gateways.
• Proficiency in troubleshooting tools such as Wireshark, packet capture, and Zscaler logs.
• Experience in integrating Zscaler with SD-WAN, VPN, and cloud environments.
• Excellent problem-solving skills and the ability to work under pressure.
• Strong communication skills with experience in customer-facing roles.
• Zscaler Certified Cloud Administrator (ZCCA) or Zscaler Certified Cloud Professional (ZCCP) preferred.

Preferred Qualifications:

• Experience with scripting and automation (Python, PowerShell, etc.).
• Knowledge of other security technologies (CASB, DLP, Zero Trust frameworks, etc.).
• Experience in a managed services or enterprise IT support environment.

Other information:

Why Join Us?

• Work with cutting-edge cloud security technologies.
• Collaborative and dynamic work environment.
• Opportunities for professional growth and certifications.
• Competitive salary and benefits package.

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