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.