Senior Network Administrator (VPN, Zero Trust & Network

Job Description

Senior Network Administrator (VPN, Zero Trust & Network Security)

Experience

8-12 Years

Location

Pune , Hybrid

Role Summary

Seeking an experienced Senior Network Administrator to manage, secure, and optimize enterprise network infrastructure with a strong focus on VPN technologies, Zero Trust Network Access (ZTNA), network security, and enterprise connectivity. The ideal candidate will possess expertise in routing, switching, firewalls, SD-WAN, VPN solutions, NAC, and modern Zero Trust architectures while ensuring high availability, security compliance, and operational excellence.

Key Responsibilities

Network Infrastructure Management

• Design, implement, and administer enterprise LAN, WAN, Wireless, and Data Center networks.
• Manage routers, switches, load balancers, wireless controllers, and Internet connectivity.
• Perform network capacity planning, performance tuning, and infrastructure upgrades.
• Ensure network availability aligned with defined SLAs.

VPN & Remote Access Management

• Configure and support IPSec, SSL VPN, Site-to-Site VPN, and Client VPN solutions.
• Manage remote access platforms from vendors such as Cisco, Palo Alto, Fortinet, Check Point, or Zscaler.
• Troubleshoot VPN connectivity, authentication, performance, and access-related issues.
• Implement secure remote workforce solutions.

Zero Trust Network Access (ZTNA)

• Design and administer ZTNA solutions to enable secure application access.
• Implement identity-based access controls and least-privilege principles.
• Integrate ZTNA platforms with IAM, MFA, Conditional Access, and Endpoint Security solutions.
• Support technologies such as:
• Zscaler ZPA
• Palo Alto Prisma Access
• Netskope
• Cisco Secure Access
• Cloudflare Zero Trust

Network Security

• Administer next-generation firewalls (NGFW) and security platforms.
• Create and maintain security policies, ACLs, NAT, IPS/IDS rules.
• Monitor network security events and collaborate with SOC teams.
• Conduct vulnerability remediation and security hardening activities.
• Support DDoS protection, segmentation, and micro-segmentation initiatives.

Operations & Incident Management

• Handle L2/L3 complex network incidents and problem management activities.
• Perform root cause analysis (RCA) and implement preventive measures.
• Participate in major incident management and change management processes.
• Maintain operational documentation, SOPs, and knowledge repositories.

Cloud & Hybrid Networking

• Manage networking across Azure, AWS, and hybrid environments.
• Configure VNETs, VNets Peering, Transit Gateways, Virtual WAN, and VPN Gateways.
• Support secure cloud access using ZTNA and SASE principles.

Monitoring & Automation

• Utilize monitoring tools such as SolarWinds, PRTG, LogicMonitor, ThousandEyes, or Observability platforms.
• Automate routine networking tasks using PowerShell, Python, Ansible, or APIs.
• Generate network health reports and executive dashboards.

Required Technical Skills

Networking

• TCP/IP, DNS, DHCP, BGP, OSPF, EIGRP
• VLANs, STP, HSRP, VRRP
• MPLS, SD-WAN, WAN Optimization
• Network Load Balancing

Security

• Zero Trust Architecture
• SASE Framework
• VPN Technologies (IPSec, SSL VPN)
• IDS/IPS
• NAC (Cisco ISE, Aruba ClearPass)
• Network Segmentation & Microsegmentation

Firewall & Security Platforms

• Palo Alto
• Cisco Firepower / ASA
• Fortinet FortiGate
• Check Point
• Zscaler
• Netskope

Cloud Networking

• AWS Networking
• Azure Networking
• Hybrid Connectivity
• Secure Access Service Edge (SASE)

Monitoring Tools

• SolarWinds
• PRTG
• LogicMonitor
• ThousandEyes
• Splunk
• Grafana

Desired Certifications

• CCNP Enterprise / CCIE
• PCNSE (Palo Alto)
• NSE 4/5/7 (Fortinet)
• Zscaler Certified Administrator
• Cisco Secure Access Certification
• Azure Network Engineer Associate (AZ-700)
• AWS Advanced Networking Specialty
• CISSP (Preferred)

Soft Skills

• Strong analytical and troubleshooting capabilities.
• Excellent stakeholder and executive communication skills.
• Experience in client-facing managed services environments.
• Ability to lead technical bridges during critical incidents.
• Mentoring junior engineers and driving operational improvements.

Preferred Industry Experience

• Managed Services (MSP)
• Global Capability Centers (GCC)
• Enterprise IT Infrastructure
• Healthcare, Manufacturing, BFSI, Retail, and Technology sectors

Job Description

Senior Network Administrator (VPN, Zero Trust & Network Security)

Experience

8-12 Years

Location

Pune , Hybrid

Role Summary

Seeking an experienced Senior Network Administrator to manage, secure, and optimize enterprise network infrastructure with a strong focus on VPN technologies, Zero Trust Network Access (ZTNA), network security, and enterprise connectivity. The ideal candidate will possess expertise in routing, switching, firewalls, SD-WAN, VPN solutions, NAC, and modern Zero Trust architectures while ensuring high availability, security compliance, and operational excellence.

Key Responsibilities

Network Infrastructure Management

• Design, implement, and administer enterprise LAN, WAN, Wireless, and Data Center networks.
• Manage routers, switches, load balancers, wireless controllers, and Internet connectivity.
• Perform network capacity planning, performance tuning, and infrastructure upgrades.
• Ensure network availability aligned with defined SLAs.

VPN & Remote Access Management

• Configure and support IPSec, SSL VPN, Site-to-Site VPN, and Client VPN solutions.
• Manage remote access platforms from vendors such as Cisco, Palo Alto, Fortinet, Check Point, or Zscaler.
• Troubleshoot VPN connectivity, authentication, performance, and access-related issues.
• Implement secure remote workforce solutions.

Zero Trust Network Access (ZTNA)

• Design and administer ZTNA solutions to enable secure application access.
• Implement identity-based access controls and least-privilege principles.
• Integrate ZTNA platforms with IAM, MFA, Conditional Access, and Endpoint Security solutions.
• Support technologies such as:
• Zscaler ZPA
• Palo Alto Prisma Access
• Netskope
• Cisco Secure Access
• Cloudflare Zero Trust

Network Security

• Administer next-generation firewalls (NGFW) and security platforms.
• Create and maintain security policies, ACLs, NAT, IPS/IDS rules.
• Monitor network security events and collaborate with SOC teams.
• Conduct vulnerability remediation and security hardening activities.
• Support DDoS protection, segmentation, and micro-segmentation initiatives.

Operations & Incident Management

• Handle L2/L3 complex network incidents and problem management activities.
• Perform root cause analysis (RCA) and implement preventive measures.
• Participate in major incident management and change management processes.
• Maintain operational documentation, SOPs, and knowledge repositories.

Cloud & Hybrid Networking

• Manage networking across Azure, AWS, and hybrid environments.
• Configure VNETs, VNets Peering, Transit Gateways, Virtual WAN, and VPN Gateways.
• Support secure cloud access using ZTNA and SASE principles.

Monitoring & Automation

• Utilize monitoring tools such as SolarWinds, PRTG, LogicMonitor, ThousandEyes, or Observability platforms.
• Automate routine networking tasks using PowerShell, Python, Ansible, or APIs.
• Generate network health reports and executive dashboards.

Required Technical Skills

Networking

• TCP/IP, DNS, DHCP, BGP, OSPF, EIGRP
• VLANs, STP, HSRP, VRRP
• MPLS, SD-WAN, WAN Optimization
• Network Load Balancing

Security

• Zero Trust Architecture
• SASE Framework
• VPN Technologies (IPSec, SSL VPN)
• IDS/IPS
• NAC (Cisco ISE, Aruba ClearPass)
• Network Segmentation & Microsegmentation

Firewall & Security Platforms

• Palo Alto
• Cisco Firepower / ASA
• Fortinet FortiGate
• Check Point
• Zscaler
• Netskope

Cloud Networking

• AWS Networking
• Azure Networking
• Hybrid Connectivity
• Secure Access Service Edge (SASE)

Monitoring Tools

• SolarWinds
• PRTG
• LogicMonitor
• ThousandEyes
• Splunk
• Grafana

Desired Certifications

• CCNP Enterprise / CCIE
• PCNSE (Palo Alto)
• NSE 4/5/7 (Fortinet)
• Zscaler Certified Administrator
• Cisco Secure Access Certification
• Azure Network Engineer Associate (AZ-700)
• AWS Advanced Networking Specialty
• CISSP (Preferred)

Soft Skills

• Strong analytical and troubleshooting capabilities.
• Excellent stakeholder and executive communication skills.
• Experience in client-facing managed services environments.
• Ability to lead technical bridges during critical incidents.
• Mentoring junior engineers and driving operational improvements.

Preferred Industry Experience

• Managed Services (MSP)
• Global Capability Centers (GCC)
• Enterprise IT Infrastructure
• Healthcare, Manufacturing, BFSI, Retail, and Technology sectors

Job Description

Senior Network Administrator (VPN, Zero Trust & Network Security)

Experience

8-12 Years

Location

Pune , Hybrid

Role Summary

Seeking an experienced Senior Network Administrator to manage, secure, and optimize enterprise network infrastructure with a strong focus on VPN technologies, Zero Trust Network Access (ZTNA), network security, and enterprise connectivity. The ideal candidate will possess expertise in routing, switching, firewalls, SD-WAN, VPN solutions, NAC, and modern Zero Trust architectures while ensuring high availability, security compliance, and operational excellence.

Key Responsibilities

Network Infrastructure Management

• Design, implement, and administer enterprise LAN, WAN, Wireless, and Data Center networks.
• Manage routers, switches, load balancers, wireless controllers, and Internet connectivity.
• Perform network capacity planning, performance tuning, and infrastructure upgrades.
• Ensure network availability aligned with defined SLAs.

VPN & Remote Access Management

• Configure and support IPSec, SSL VPN, Site-to-Site VPN, and Client VPN solutions.
• Manage remote access platforms from vendors such as Cisco, Palo Alto, Fortinet, Check Point, or Zscaler.
• Troubleshoot VPN connectivity, authentication, performance, and access-related issues.
• Implement secure remote workforce solutions.

Zero Trust Network Access (ZTNA)

• Design and administer ZTNA solutions to enable secure application access.
• Implement identity-based access controls and least-privilege principles.
• Integrate ZTNA platforms with IAM, MFA, Conditional Access, and Endpoint Security solutions.
• Support technologies such as:
• Zscaler ZPA
• Palo Alto Prisma Access
• Netskope
• Cisco Secure Access
• Cloudflare Zero Trust

Network Security

• Administer next-generation firewalls (NGFW) and security platforms.
• Create and maintain security policies, ACLs, NAT, IPS/IDS rules.
• Monitor network security events and collaborate with SOC teams.
• Conduct vulnerability remediation and security hardening activities.
• Support DDoS protection, segmentation, and micro-segmentation initiatives.

Operations & Incident Management

• Handle L2/L3 complex network incidents and problem management activities.
• Perform root cause analysis (RCA) and implement preventive measures.
• Participate in major incident management and change management processes.
• Maintain operational documentation, SOPs, and knowledge repositories.

Cloud & Hybrid Networking

• Manage networking across Azure, AWS, and hybrid environments.
• Configure VNETs, VNets Peering, Transit Gateways, Virtual WAN, and VPN Gateways.
• Support secure cloud access using ZTNA and SASE principles.

Monitoring & Automation

• Utilize monitoring tools such as SolarWinds, PRTG, LogicMonitor, ThousandEyes, or Observability platforms.
• Automate routine networking tasks using PowerShell, Python, Ansible, or APIs.
• Generate network health reports and executive dashboards.

Required Technical Skills

Networking

• TCP/IP, DNS, DHCP, BGP, OSPF, EIGRP
• VLANs, STP, HSRP, VRRP
• MPLS, SD-WAN, WAN Optimization
• Network Load Balancing

Security

• Zero Trust Architecture
• SASE Framework
• VPN Technologies (IPSec, SSL VPN)
• IDS/IPS
• NAC (Cisco ISE, Aruba ClearPass)
• Network Segmentation & Microsegmentation

Firewall & Security Platforms

• Palo Alto
• Cisco Firepower / ASA
• Fortinet FortiGate
• Check Point
• Zscaler
• Netskope

Cloud Networking

• AWS Networking
• Azure Networking
• Hybrid Connectivity
• Secure Access Service Edge (SASE)

Monitoring Tools

• SolarWinds
• PRTG
• LogicMonitor
• ThousandEyes
• Splunk
• Grafana

Desired Certifications

• CCNP Enterprise / CCIE
• PCNSE (Palo Alto)
• NSE 4/5/7 (Fortinet)
• Zscaler Certified Administrator
• Cisco Secure Access Certification
• Azure Network Engineer Associate (AZ-700)
• AWS Advanced Networking Specialty
• CISSP (Preferred)

Soft Skills

• Strong analytical and troubleshooting capabilities.
• Excellent stakeholder and executive communication skills.
• Experience in client-facing managed services environments.
• Ability to lead technical bridges during critical incidents.
• Mentoring junior engineers and driving operational improvements.

Preferred Industry Experience

• Managed Services (MSP)
• Global Capability Centers (GCC)
• Enterprise IT Infrastructure
• Healthcare, Manufacturing, BFSI, Retail, and Technology sectors