Lead / Senior Engineer - Network

Black Box; Gurugram District; Presencial; INR 900.000 - 1.500.000; Jornada completa

Descripción de la vacante

Black Box is seeking a Network Engineer (L2) to design, implement, operate, and support enterprise wired and wireless networks from Gurgaon. The role requires hands-on Cisco IOS/NX-OS and Juniper JunOS experience, with emphasis on high availability, performance, and security.

The candidate will provide L2/L3 support, troubleshoot routing/switching/WLAN issues, and participate in change management. Qualifications include CCNA/JNCIA and related certifications, with additional CCNP/JNCIS/JNCIP and

Formación

• 3–8 years of experience in enterprise or service-provider networking.
• Bachelor's degree in Engineering / IT / Computer Science (or equivalent experience)
• CCNA and JNCIA certifications are mandatory or strongly preferred
• CCNP (Enterprise / Wireless), JNCIS / JNCIP, and ITIL Foundation are preferred

Responsabilidades

• 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.
• Maintain updated network diagrams, SOPs, and configuration documentation.
• Ensure adherence to security, compliance, and organizational standards

Conocimientos

TCP/IP

OSI Model

VLANs

WLAN security

Wireless troubleshooting

Educación

Bachelor's degree

Equivalent experience

Herramientas

Cisco IOS/NX-OS

Juniper JunOS

SolarWinds

Wireshark

Descripción del empleo

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)