Sr. Network Engineer

Black Box Corporation; Gurugram District; On-site; INR 900,000 - 1,500,000; Full time

Job summary

Black Box Corporation in Gurgaon is seeking a Network Engineer (L2) to design, implement, operate, and support enterprise wired and wireless networks with hands-on Cisco and Juniper expertise.

You will provide L2/L3 support, troubleshoot routing, switching, and WLAN incidents, configure devices, deploy VLANs, routing protocols, QoS, and contribute to documentation and security compliance.

Qualifications

• Bachelor's degree in Engineering / IT / Computer Science or equivalent experience.
• 3–8 years of experience in enterprise or service-provider networking.
• Strong troubleshooting and analytical mindset.
• Clear communication and documentation skills.
• Willingness to support on-call or shift-based operations (if required).

Responsibilities

• Provide L2/L3 support for wired and wireless network environments.
• Troubleshoot and resolve incidents related to routing, switching, and WLAN.
• Participate in incident, problem, and change management processes.
• Perform root cause analysis (RCA) and implement permanent fixes.
• Configure and maintain Cisco and Juniper routers, switches, and wireless systems.
• Implement VLANs, trunking, routing protocols, redundancy, and QoS.
• Support new site deployments, expansions, and network upgrades.
• Coordinate with ISPs, OEM vendors, and internal stakeholders.
• Manage LAN, WAN, WLAN infrastructure.
• Configure routing protocols such as OSPF, BGP, EIGRP.
• Support enterprise wireless (Controller‑based WLANs, RF fundamentals, WLAN security).
• Assist with wireless performance tuning and coverage optimization.
• Maintain updated network diagrams, SOPs, and configuration documentation.
• Ensure adherence to security, compliance, and organizational standards.
• Support audits and internal reviews.

Skills

Troubleshooting

Analytical thinking

Communication

Documentation

Team work

On-call readiness

Education

Bachelor’s degree in Engineering / IT / Computer Science

Tools

Cisco IOS/NX-OS

Juniper JunOS

SolarWinds

PRTG

Wireshark

Job description

Job Code: NETWORK ENGINEER
Department: IT / Network Services
Role Type: Individual Contributor
Level: L2
Location: Gurgaon
Reporting To: Network Manager / Service Delivery Manager

Role Purpose

The Network Engineer will be responsible for design, implementation, operations, and support of enterprise wired and wireless networks, with hands‑on expertise in Cisco and Juniper technologies. The role supports business‑critical network infrastructure ensuring high availability, performance, and security.

Key Responsibilities

Network Operations & Support

• Provide L2/L3 support for wired and wireless network environments
• Troubleshoot and resolve incidents related to routing, switching, and WLAN
• Participate in incident, problem, and change management processes
• Perform root cause analysis (RCA) and implement permanent fixes

Implementation & Configuration

• Configure and maintain Cisco and Juniper routers, switches, and wireless systems
• Implement VLANs, trunking, routing protocols, redundancy, and QoS
• Support new site deployments, expansions, and network upgrades
• Coordinate with ISPs, OEM vendors, and internal stakeholders

Wired & Wireless Technologies

• Manage LAN, WAN, WLAN infrastructure
• Configure routing protocols such as OSPF, BGP, EIGRP
• Support enterprise wireless (Controller‑based WLANs, RF fundamentals, WLAN security)
• Assist with wireless performance tuning and coverage optimization

Documentation & Compliance

• Maintain updated network diagrams, SOPs, and configuration documentation
• Ensure adherence to security, compliance, and organizational standards
• Support audits and internal reviews when required

Required Technical Skills

Core Networking

• Strong understanding of TCP/IP, OSI Model, VLANs, STP, DHCP, DNS
• Hands‑on experience with Cisco IOS/NX‑OS and Juniper JunOS

Wired Technologies

• Cisco Catalyst / Nexus
• Juniper EX / QFX switches

Wireless Technologies

• Enterprise WLAN solutions (Cisco / Juniper / equivalent)
• Knowledge of WLAN security (802.1X, WPA2/WPA3)

Tools (Preferred)

• Network monitoring tools (SolarWinds, PRTG, or similar)
• Packet analysis tools (Wireshark)

Certifications

Mandatory / Strongly Preferred

Preferred

Experience & Education

• 3–8 years of experience in enterprise or service‑provider networking
• Bachelor’s degree in Engineering / IT / Computer Science (or equivalent experience)

• Strong troubleshooting and analytical mindset
• Clear communication and documentation skills
• Ability to work independently and in a team environment
• Willingness to support on‑call or shift‑based operations (if required)

Job Info

• Job Identification 6065
• Posting Date 07/27/2026, 06:17 AM
• Degree Level 3 or 4 Year Graduate / Degree