Experience: 6+ Years
Qualification: B.E./B.Tech (CS/IT/ECE) / M.Sc. (IT/CS) / MCA
Certification: CCNP or Equivalent OEM Certification (Mandatory)
Location: Delhi NCR
Domain: Enterprise Networking | Data Centre Networking | SDN/SDA Infrastructure Support

Location: Delhi NCR
Position: Network Administrator L3
Employment Type: Full time

About Coforge

Coforge is a global digital services and solutions provider that enables organizations to accelerate their digital transformation journey through innovative technology solutions, deep domain expertise, and a strong focus on delivering business value and operational excellence.

Job Summary

We are seeking an experienced Network Administrator – L3 to manage, maintain, and optimize enterprise network infrastructure across LAN, Data Centre, and Software-Defined Network environments. The ideal candidate will possess strong expertise in routing, switching, firewall management, network troubleshooting, and SDN/SDA technologies, along with a valid CCNP or equivalent OEM certification.

Key Responsibilities

- Design, implement, administer, and support enterprise LAN, WAN, and Data Centre network infrastructure.
- Manage and troubleshoot core network devices including routers, switches, firewalls, and wireless controllers.
- Perform advanced troubleshooting for network performance, connectivity, and security-related issues.
- Configure and support routing and switching protocols, VLANs, network segmentation, and high-availability solutions.
- Monitor network performance, capacity, and availability to ensure optimal service delivery.




- Manage and support Software Defined Networking (SDN) and Software Defined Access (SDA) environments.
- Perform network upgrades, patch management, and firmware updates with minimal service disruption.
- Collaborate with security, system administration, and application teams for infrastructure optimization.
- Analyze network incidents, conduct root cause analysis (RCA), and implement preventive measures.
- Ensure adherence to organizational security policies, compliance requirements, and industry best practices.
- Maintain technical documentation, network diagrams, SOPs, and operational procedures.
- Provide technical guidance and mentorship to L1/L2 support teams.

Educational Qualifications

Candidates must possess any of the following qualifications from a recognized University:

- B.E./B.Tech in Computer Science, Information Technology, or Electronics & Communication Engineering
- M.Sc. (Information Technology / Computer Science)
- MCA

Mandatory Certification

- Valid CCNP Certification or equivalent OEM certification in Enterprise Networking.

Experience Requirements

- Minimum 6 years of hands-on experience in:

- LAN Networking
- Data Centre Networking
- Core Routing and Switching




- Firewall Administration and Management
- Enterprise Network Operations

- Minimum 1 year of experience working in:

- Software Defined Networking (SDN)
- Software Defined Access (SDA) environments

Required Technical Skills

- Strong expertise in TCP/IP, VLANs, STP, HSRP, VRRP, DNS, DHCP, NAT, and MPLS.
- Hands-on experience with enterprise-grade routers, core switches, and firewalls.
- In-depth knowledge of routing protocols such as OSPF, BGP, EIGRP, and static routing.
- Experience in Data Centre networking technologies and architectures.
- Knowledge of SDN/SDA deployments and operations.
- Expertise in network monitoring, troubleshooting, and performance optimization.
- Familiarity with ITSM/ticketing tools and incident management processes.
- Understanding of network security principles and access control mechanisms.

Preferred Skills

- Experience with Cisco Catalyst Center (DNA Center), Cisco SD-Access, or equivalent SDN platforms.
- Exposure to Palo Alto, Fortinet, Check Point, or Cisco Firepower firewalls.
- Knowledge of network automation and scripting fundamentals.
- ITIL certification or exposure to ITIL processes will be an added advantage.

Desired Competencies

- Strong analytical and problem-solving skills.
- Excellent communication and stakeholder management abilities.
- Ability to manage critical incidents and work under pressure.
- Strong documentation and reporting skills.
- Ability to lead technical troubleshooting efforts and mentor junior engineers.

📌 Network Administrator l3 (Delhi)
🏢 Coforge
📍 Delhi