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Black Box

End-to-end digital infrastructure and IT services

Lead Senior Engineer - Network

Network Engineering & AdministrationConfirmed live in the last 24 hours
Full-timeGurugram, Haryana, IndiaNo salary listedIn-person

About the Job

Requirements

  • Strong understanding of Transmission Control Protocol/Internet Protocol, the Open Systems Interconnection model, virtual local area networks, Spanning Tree Protocol, Dynamic Host Configuration Protocol, and Domain Name System.
  • Hands-on experience with Cisco IOS/NX-OS and Juniper JunOS.
  • Experience with Cisco Catalyst/Nexus and Juniper EX/QFX switches.
  • Knowledge of enterprise wireless LAN solutions and WLAN security, including 802.1X and WPA2/WPA3.
  • Three to eight years of experience in enterprise or service-provider networking.
  • Bachelor's degree in Engineering, Information Technology, or Computer Science, or equivalent experience.
  • Cisco Certified Network Associate and Juniper Networks Certified Internet Associate certifications are mandatory or strongly preferred.
  • 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 wireless LAN.
  • Participate in incident, problem, and change management processes.
  • Perform root cause analysis and implement permanent fixes.
  • Configure and maintain Cisco and Juniper routers, switches, and wireless systems.
  • Implement VLANs, trunking, routing protocols, redundancy, and quality of service.
  • Support new site deployments, expansions, and network upgrades.
  • Coordinate with internet service providers, original equipment manufacturer vendors, and internal stakeholders.
  • Manage local area network, wide area network, and wireless local area network infrastructure.
  • Configure routing protocols such as OSPF, BGP, and EIGRP.
  • Support enterprise wireless systems, including controller-based WLANs, radio frequency fundamentals, and WLAN security.
  • Assist with wireless performance tuning and coverage optimization.
  • Maintain updated network diagrams, standard operating procedures, and configuration documentation.
  • Ensure adherence to security, compliance, and organizational standards.
  • Support audits and internal reviews when required.

Desired Qualifications

  • Experience with network monitoring tools such as SolarWinds or PRTG.
  • Experience with packet analysis tools such as Wireshark.
  • Cisco Certified Network Professional certification in Enterprise or Wireless.
  • Juniper Networks Certified Internet Specialist or Juniper Networks Certified Internet Professional certification.
  • ITIL Foundation certification.

About the Company

Black Box

End-to-end digital infrastructure and IT services

Black Box provides digital infrastructure solutions for large enterprises and public-sector clients, designing, integrating, and managing IT environments. It offers services and products across networking, data centers, cybersecurity, unified communications, and digital workplace, along with consulting, project management, and managed services to design, deploy, and operate systems. The company differentiates itself as a vendor-agnostic integrator with a global delivery footprint, offering end-to-end capabilities from initial design to ongoing support. Its goal is to help organizations build scalable, reliable digital infrastructure across distributed locations to support modern operations.

Company size
Not listed
Company stage
IPO
Headquarters
Plano, TX
Founded
1976

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