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Zensar

Global IT services for digital transformation

Senior Network Administrator - VPN, Zero Trust & Network

Network Engineering & AdministrationConfirmed live in the last 24 hours
Full-timePune, Maharashtra, IndiaNo salary listedHybrid

About the Job

Requirements

  • Eight to twelve years of experience in network administration or related enterprise networking work.
  • Expertise in routing, switching, firewalls, SD-WAN, VPN solutions, network access control, and Zero Trust architectures.
  • Knowledge of TCP/IP, DNS, DHCP, BGP, OSPF, EIGRP, VLANs, STP, HSRP, VRRP, MPLS, SD-WAN, WAN optimization, and network load balancing.
  • Knowledge of Zero Trust Architecture, SASE, VPN technologies including IPSec and SSL VPN, IDS/IPS, network access control, and network segmentation and microsegmentation.
  • Experience with firewall and security platforms including Palo Alto, Cisco Firepower/ASA, Fortinet FortiGate, Check Point, Zscaler, and Netskope.
  • Knowledge of AWS networking, Azure networking, and hybrid connectivity.
  • Experience with monitoring tools such as SolarWinds, PRTG, LogicMonitor, ThousandEyes, Splunk, and Grafana.
  • Ability to lead technical bridges during critical incidents.
  • Strong analytical and troubleshooting capabilities.
  • Stakeholder and executive communication skills.
  • Experience in client-facing managed services environments.
  • Experience mentoring junior engineers and driving operational improvements.

Responsibilities

  • 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 in line with defined SLAs.
  • 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, and Zscaler.
  • Troubleshoot VPN connectivity, authentication, performance, and access-related issues.
  • Implement secure remote workforce solutions.
  • Design and administer Zero Trust Network Access solutions for secure application access.
  • Implement identity-based access controls and least-privilege principles.
  • Integrate Zero Trust Network Access platforms with identity and access management, multi-factor authentication, Conditional Access, and endpoint security solutions.
  • Support Zscaler ZPA, Palo Alto Prisma Access, Netskope, Cisco Secure Access, and Cloudflare Zero Trust.
  • Administer next-generation firewalls and security platforms.
  • Create and maintain security policies, access control lists, network address translation, and intrusion prevention and detection rules.
  • Monitor network security events and collaborate with security operations center teams.
  • Conduct vulnerability remediation and security hardening activities.
  • Support DDoS protection, segmentation, and micro-segmentation initiatives.
  • Handle complex L2/L3 network incidents and problem management activities.
  • Perform root cause analysis and implement preventive measures.
  • Participate in major incident management and change management processes.
  • Maintain operational documentation, standard operating procedures, and knowledge repositories.
  • Manage networking across Azure, AWS, and hybrid environments.
  • Configure virtual networks, virtual network peering, transit gateways, virtual WAN, and VPN gateways.
  • Support secure cloud access using Zero Trust Network Access and SASE principles.
  • Use 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.

Desired Qualifications

  • Desired certifications include CCNP Enterprise or CCIE, PCNSE, Fortinet NSE 4/5/7, Zscaler Certified Administrator, Cisco Secure Access Certification, Azure Network Engineer Associate (AZ-700), AWS Advanced Networking Specialty, and CISSP.
  • Preferred industry experience includes managed services, global capability centers, enterprise IT infrastructure, healthcare, manufacturing, BFSI, retail, and technology sectors.

About the Company

Zensar

Global IT services for digital transformation

Digital solutions and IT services company that partners with global organizations to drive digital transformation. Its offerings include intelligent automation, analytics, hyperconverged infrastructure, and digital application development and maintenance, delivered through long-term contracts, project-based engagements, and managed services. Indigo Slate handles virtual event creation. Zensar’s Living AI integrates artificial intelligence into business processes to boost outcomes. Unlike many competitors, it emphasizes reducing capital expenditure (Capex) and operating expenditure (Opex), simplifying vendor management, and improving efficiency through automation. The overall goal is to help clients adapt to the digital landscape, optimize technology infrastructure, and achieve higher operational efficiency.

Company size
10,001+
Company stage
IPO
Headquarters
Pune, India
Founded
1991

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