Senior Network Engineer (Zscaler Specialist)

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 Enginee