Network Administrator – L2/L3
1 day ago
Role Overview: As an L3 Network Administrator, you will be responsible for the design, implementation, administration, and advanced troubleshooting of enterprise network infrastructure. This includes LAN, WAN, WLAN, firewalls, load balancers, and VPN solutions across data centers and branch offices. The role requires deep technical expertise, handling escalations from L1/L2 teams, and ensuring network availability, performance, and security. Key Responsibilities: • Provide L3 operational support for routers, switches, firewalls, load balancers, and wireless infrastructure. • Manage and configure Cisco, Juniper, Arista, Palo Alto, Fortinet, F5 (or equivalent platforms). • Implement and maintain routing protocols (BGP, OSPF, EIGRP, MPLS) and VLANs. • Troubleshoot complex network performance, latency, and packet loss issues. • Administer firewall policies, VPNs (IPSec, SSL), and remote access solutions. • Manage WAN optimization, QoS, and bandwidth monitoring. • Perform firmware/IOS upgrades, patching, and hardware lifecycle management. • Support network security initiatives including NAC, IDS/IPS, and DDoS protection. • Monitor and analyze network health using tools like SolarWinds, PRTG, Nagios, Cisco DNA Center, Wireshark. • Document network topology, runbooks, and change requests in line with ITIL practices. • Participate in on-call rotation and provide RCA for high-severity incidents. • Collaborate with cloud and server teams for hybrid/cloud networking (AWS, Azure, GCP). Required Skills & Experience: • 6–10+ years of experience in enterprise network administration. • Expertise in routing, switching, and firewall administration (Cisco, Juniper, Palo Alto, Fortinet, etc.). • Strong understanding of TCP/IP, DNS, DHCP, NAT, VLANs, STP, HSRP/VRRP. • Experience with VPNs, MPLS, SD-WAN, and wireless networks. • Familiarity with firewall rules, ACLs, and network security best practices. • Proficiency in packet capture and analysis (Wireshark, tcpdump). • Knowledge of network automation (Python, Ansible, Cisco DNA/ACI) is a plus. • Exposure to cloud networking (VPCs, VPN gateways, load balancers). • Willing to work in rotational shift (shift & cab allowances are provided). • Prefer male candidates only. Preferred Qualifications: • Cisco Certified Network Professional (CCNP) or higher (CCIE) strongly preferred. • Palo Alto, Fortinet, or F5 certifications (PCNSE, NSE, F5-CA) are a plus. • Experience in multi-vendor network environments. • Knowledge of Zero Trust and SDN solutions (Cisco ACI, VMware NSX, etc.) About ZL Technologies ZL offers today's leading organizations the ability to comprehensively manage the entirety of their digital assets. One seamless and scalable solution can manage billions of documents and other unstructured data from a consolidated point of control.The ZL Tech platform leverages a unified architecture that enables large enterprise organizations to solve the challenges of compliance, privacy, e-discovery, and records management, while harnessing their data for enterprise analytics and AI. ZL Tech is an Equal Opportunity Employer and does not discriminate against any employee or applicant for employment because of race, color, sex, age, national origin, religion, sexual orientation, gender identity and/or expression, status as a veteran, and basis of disability or any other federal, state or local protected class.
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Network Administrator L2/L3
4 days ago
Hyderabad, India ZL Technologies Full timeJob Description As an L3 Network Administrator, you will be responsible for the design, implementation, administration, and advanced troubleshooting of enterprise network infrastructure. This includes LAN, WAN, WLAN, firewalls, load balancers, and VPN solutions across data centers and branch offices. The role requires deep technical expertise, handling...
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Network Administrator
2 weeks ago
Hyderabad, Telangana, India ZL Tech Full timeRole Overview: As an L3 Network Administrator, you will be responsible for the design, implementation, administration, and advanced troubleshooting of enterprise network infrastructure. This includes LAN, WAN, WLAN, firewalls, load balancers, and VPN solutions across data centers and branch offices. The role requires deep technical expertise,...
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Network Administrator – L2/L3
1 week ago
Hyderabad, Telangana, India ZL Tech Full time ₹ 12,00,000 - ₹ 36,00,000 per yearRole Overview:As an L3 Network Administrator, you will be responsible for the design, implementation, administration, and advanced troubleshooting of enterprise network infrastructure. This includes LAN, WAN, WLAN, firewalls, load balancers, and VPN solutions across data centers and branch offices. The role requires deep technical expertise, handling...
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Hyderabad, Pune, India Tech Mahindra Full time ₹ 5,00,000 - ₹ 12,00,000 per yearL2/L3 Network Engineer (Cisco Switches) India (Pune and Hyd) (24x7 support-Shift) with Work from office.Primary Skills: Networking concepts with NAC deployment experience with focus on Cisco switches.Experience: L2: 5 to 7 years and L3: 7 +yearsRequired Skills:Strong experience in Routing and Switching technologies.Strong troubleshooting skills on Networking...
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Hyderabad, India Tata Consultancy Services Full timeRole : Network Administrator Required Technical Skill Set : Forescout Administration Experience : 5 to 8 years Location : Kolkata, Kochi, Bangalore or Hyderabad. Job Description : Must Have:- L2/L3 Experience with complex, larger scale network endpoint secure connectivity and access control that spans both wired and wireless access control through Forescout....
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Hyderabad, India Tata Consultancy Services Full timeRole : Network Administrator Required Technical Skill Set : Forescout Administration Experience : 5 to 8 years Location : Kolkata, Kochi, Bangalore or Hyderabad. Job Description : Must Have:- L2/L3 Experience with complex, larger scale network endpoint secure connectivity and access control that spans both wired and wireless access control through Forescout....
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Hyderabad, India Tata Consultancy Services Full timeRole : Network Administrator Required Technical Skill Set : Forescout Administration Experience : 5 to 8 years Location : Kolkata, Kochi, Bangalore or Hyderabad. Job Description : Must Have:- L2/L3 Experience with complex, larger scale network endpoint secure connectivity and access control that spans both wired and wireless access control through Forescout....
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Hyderabad, India Tata Consultancy Services Full timeTCS has been a great pioneer in feeding the fire of Young techies like you. We are global leaders in the technology arena and there's nothing that can stop us from growing together. TCS Hiring for skill " Administrator/ Forescout". Role: Network Administrator Required Technical Skill Set: Forescout Administration Experience: 5-8 years Work Location: Kolkata,...
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Network Administrator
6 days ago
Hyderabad, India Tata Consultancy Services Full timeRole : Network AdministratorRequired Technical Skill Set : Forescout Administration Experience : 5 to 8 yearsLocation : Kolkata, Kochi, Bangalore or Hyderabad.Job Description : Must Have:-L2/L3 Experience with complex, larger scale network endpoint secure connectivity and access control that spans both wired and wireless access control through Forescout....
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Network Administrator
6 days ago
Hyderabad, India Tata Consultancy Services Full timeRole : Network AdministratorRequired Technical Skill Set : Forescout Administration Experience : 5 to 8 yearsLocation : Kolkata, Kochi, Bangalore or Hyderabad.Job Description : Must Have:-L2/L3 Experience with complex, larger scale network endpoint secure connectivity and access control that spans both wired and wireless access control through Forescout....
