Job Description This is a remote position. Job Description – Senior Network Engineer (Zscaler Specialist) Location: Remote / India Experience: 5+ Years Employment Type: Full-Time Role Summary We are seeking an experienced Senior Network Engineer with deep expertise in Zscaler Internet Access (ZIA) , Zscaler Private Access (ZPA) , and enterprise network infrastructure. The ideal candidate will possess strong hands-on experience in designing, implementing, administering, and troubleshooting secure network environments utilizing Zscaler's Zero Trust architecture. The role requires extensive experience in enterprise networking, network security, cloud-delivered security platforms, SD-WAN integrations, and secure remote access solutions. Key Responsibilities Zscaler Administration & Engineering Design, deploy, configure, and support Zscaler Internet Access (ZIA) and Zscaler Private Access (ZPA) environments. Manage Zscaler policies, forwarding profiles, authentication mechanisms, SSL inspection, URL filtering, firewall policies, and data protection controls. Configure and maintain: App Connectors Service Edges Client Connectors Browser Access Segment Groups Access Policies Implement and administer Zero Trust Network Access (ZTNA) solutions across global enterprise environments. Troubleshoot complex ZIA and ZPA connectivity, authentication, and application access issues. Manage integration with Identity Providers such as: Azure AD / Entra ID Okta Ping Identity Active Directory Perform application onboarding and migration from traditional VPN solutions to ZPA. Configure Cloud Firewall, Sandbox, DLP, CASB, and Advanced Threat Protection features within Zscaler. Develop and maintain operational documentation, runbooks, deployment guides, and architecture diagrams. Network Operations & Infrastructure Administer enterprise-level LAN, WAN, Wireless, Internet Edge, and Data Center networks. Configure and troubleshoot: Cisco Routers & Switches Aruba Wireless Controllers Palo Alto Firewalls Fortinet Firewalls SD-WAN Solutions Design resilient and highly available network architectures. Support network expansion, refresh projects, and infrastructure upgrades. Incident Management & Troubleshooting Serve as L2/L3 escalation point for critical network and Zscaler incidents. Perform root cause analysis (RCA) and provide permanent resolutions. Troubleshoot: VPN Connectivity DNS Issues Authentication Failures Application Access Problems Routing & Switching Issues SSL Inspection Challenges Participate in on-call support and major incident management processes. Monitoring & Reporting Monitor network availability and performance utilizing enterprise monitoring tools. Generate operational reports covering: Network Health Capacity Planning Security Events Zscaler Service Utilization Proactively identify performance bottlenecks and recommend improvements. Required Technical Skills Zscaler Technologies (Mandatory) Expert-level hands-on experience with: Zscaler Internet Access (ZIA) Fully Qualified Domain Name (FQDN) Zscaler Private Access (ZPA) Zscaler Digital Experience (ZDX) Zscaler Client Connector Cloud Firewall Advanced Threat Protection Cloud Sandbox Data Loss Prevention (DLP) CASB Networking Strong expertise in: TCP/IP DNS DHCP NAT VPN IPSEC BGP OSPF VLANs STP QoS Wireless Networking Security Firewall Configuration & Administration Zero Trust Architecture Secure Web Gateway (SWG) Proxy Technologies Identity & Access Management SSL/TLS Technologies Network Access Control (NAC) Cloud & Hybrid Networking Microsoft Azure AWS Hybrid Cloud Connectivity ExpressRoute Site-to-Site VPN SD-WAN Integration with Zscaler Required Experience Minimum 5+ years of experience in Enterprise Network Engineering. Minimum 3+ years of hands-on experience with Zscaler ZIA and ZPA . Experience supporting global enterprise environments with 1,000+ users. Proven experience in network transformation and VPN-to-ZTNA migrations. Experience working within ITIL-based support models. Educational Qualifications Bachelor's Degree in Computer Science, Information Technology, Networking, or related discipline. Mandatory Certifications Candidates should possess one or more of the following certifications: Zscaler Certifications (Highly Preferred) Zscaler Certified Administrator (ZCCA) Zscaler Certified Architect (ZCCA-IA / ZCCA-PA) Zscaler Certified Professional (ZCCP) Zscaler Certified Expert (ZCCE) Networking Certifications Cisco CCNA Cisco CCNP Enterprise Aruba Certified Professional Juniper JNCIA/JNCIS Security Certifications (Preferred) Palo Alto PCNSA / PCNSE Fortinet NSE