Lead / Senior Engineer - Network

Black Box; Gurugram District; On-site; INR 600,000 - 900,000; Full time

Job summary

Black Box in Gurgaon seeks a Network Engineer (L2) to design, implement, operate and support enterprise wired and wireless networks. You will work hands-on with Cisco and Juniper devices, ensuring high availability, performance and security across LAN/WAN and WLAN.

The role requires 3–8 years of networking experience, CCNA/JNCIA certifications preferred, and the ability to coordinate with vendors and internal teams. On-site operations in Gurgaon with on-call support if required.

Qualifications

• Bachelor's degree required or equivalent experience.
• 3–8 years of experience in enterprise or service-provider networking.
• CCNA and/or JNCIA certification strongly preferred.

Responsibilities

• Provide L2/L3 support for wired and wireless network environments.
• Configure and maintain Cisco and Juniper routers, switches, and wireless systems.
• Implement VLANs, routing protocols (OSPF/BGP/EIGRP), QoS and redundancy.
• Maintain network diagrams, SOPs, and documentation; support audits.

Skills

Troubleshooting

Communication

Documentation

Independent work

Education

Bachelor's degree in Engineering / IT / Computer Science

Tools

Cisco IOS/NX-OS

Juniper JunOS

Job description

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

• Cisco Certified Network Associate (CCNA)
• Juniper Networks Certified Internet Associate (JNCIA)

Preferred

• CCNP (Enterprise / Wireless)
• JNCIS / JNCIP
• ITIL Foundation

Experience & Education

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

Behavioral Competencies

• 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)