Senior Network Administrator VPN Zero Trust And Network

Zensar Technologies; Pune District; Hybrid; INR 2,500,000 - 4,000,000; Full time

Job summary

Zensar Technologies in Pune is seeking an experienced Senior Network Administrator to manage and secure enterprise networks with a strong focus on VPN, ZTNA, and hybrid cloud connectivity. The role requires handling complex routing, switching, firewalls, and SD-WAN to ensure high availability and security compliance.

Responsibilities include designing and operating LAN/WAN, managing VPN platforms from major vendors, implementing Zero Trust controls, and coordinating with SOC for security events.

Qualifications

• 8-12 years of enterprise networking experience.
• Strong VPN, ZTNA and zero-trust expertise.
• Experience with NGFWs, NAC, and SD-WAN.
• Cloud networking across Azure and AWS.
• Familiarity with monitoring and observability tools.

Responsibilities

• Design, implement, and administer enterprise LAN/WAN/data center networks.
• Configure and support VPN, remote access, and ZTNA solutions.
• Design and administer ZTNA platforms with IAM/MFA integration.
• Manage network security policies, firewalls, and segmentation.
• Handle L2/L3 incidents, RCA, and change management.
• Manage hybrid networking across cloud environments and secure cloud access.
• Automate tasks and generate network health dashboards.

Skills

VPN Technologies

Zero Trust Architecture

ZTNA

NAC

SD-WAN

NGFW

Network Security

Cloud Networking

Monitoring & Automation

Tools

Zscaler ZPA

Palo Alto Prisma Access

Netskope

Cisco Secure Access

Zscaler

Azure Network Engineer

AWS Networking

SolarWinds

PRTG

LogicMonitor

ThousandEyes

Splunk

Grafana

Job description

Job Description:

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

At Zensar, we’re “experience-led everything”. We are committed to conceptualizing, designing, engineering, marketing, and managing digital solutions and experiences for over 130 leading enterprises. We are a company driven by a bold purpose: Together, we shape experiences for better futures. Whether for our clients, our people, or the world around us, this belief powers everything we do. At the heart of our culture is ONE with Client - a set of four core values that reflect who we are and how we work: One Zensar, Nurturing, Empowering, and Client Focus.

Part of the $4.8 billion RPG Group, we’re a community of 10,000+ innovators across 30+ global locations, including Milpitas, Seattle, Princeton, Cape Town, London, Zurich, Singapore, and Mexico City.

Explore Life at Zensar and join us to Grow. Own. Achieve. Learn. to be the best version of yourself.

We believe the best work happens when individuality is celebrated, growth is encouraged, and well-being is prioritized. We are an equal employment opportunity (EEO) and affirmative action employer, committed to creating an inclusive workplace. All qualified applicants will be considered without regard to race, creed, color, ancestry, religion, sex, national origin, citizenship, age, sexual orientation, gender identity, disability, marital status, family medical leave status, or protected veteran status.

Requirements: