About this role
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.
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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.
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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.
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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.
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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.
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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
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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.
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Educational Qualifications
- Bachelor's Degree in Computer Science, Information Technology, Networking, or related discipline.
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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