We are seeking an experienced NOC Engineer (L2) to support and maintain enterprise network and voice infrastructure. The ideal candidate should have hands-on experience in network monitoring, incident management, VoIP technologies, Linux administration, routing & switching, and troubleshooting production environments. The role requires strong analytical skills and the ability to resolve incidents while ensuring high service availability and SLA compliance.

Key Responsibilities

- Monitor and troubleshoot enterprise network, server, and voice infrastructure using monitoring tools such as Zabbix, PRTG, SolarWinds, or equivalent.

- Resolve network issues including link down, latency, packet loss, routing, switching, DNS, DHCP, VPN, wireless, and ISP connectivity.

- Support VoIP, SIP, PRI, IP Telephony, Voice Dialer, SMS/Voice platforms, and related services.

- Perform basic Linux administration, log analysis, and service troubleshooting.

- Manage incidents, perform Root Cause Analysis (RCA), and escalate complex issues to L3 teams or vendors.

- Coordinate with internal teams, ISPs, telecommunications providers, field engineers, and third-party vendors to ensure timely issue resolution.

- Support infrastructure deployments, new site/store openings, and network changes.

- Maintain incident documentation, shift handovers, and operational reports while ensuring SLA compliance.

Required Skills

- 4+ years of experience supporting enterprise NOC environments, preferably across 100+ remote locations.

- Strong knowledge of TCP/IP, OSI Model, Routing & Switching,



VLANs, Subnetting, DNS, DHCP, VPN, Wireless Networking, and ISP Connectivity.

- Hands-on experience with Cisco networking technologies (Huawei experience is a plus).

- Experience supporting store/branch infrastructure in retail, restaurant, hospitality, or other distributed enterprise environments.

- Experience with VoIP, SIP, PRI, IP Telephony, Voice Dialer systems, and troubleshooting call quality issues.

- Good understanding of Linux administration and networking concepts.

- Experience with network monitoring tools such as Zabbix, PRTG, SolarWinds, Nagios, Grafana, or similar NMS solutions.

- Experience with ServiceNow or other ITSM/ticketing tools.

- Knowledge of Asterisk, FreeSWITCH, or similar platforms is preferred.

- Ability to manage multiple priorities in a fast-paced operational environment.

- Strong communication, analytical, troubleshooting, and problem-solving skills.

Nice to Have

- CCNA certification.

- Experience with Cisco Meraki, Palo Alto, Fortinet, or SD-WAN technologies.

- Microsoft Intune administration experience.

- Exposure to Microsoft Azure or Amazon Web Services (AWS).

- Experience supporting restaurant, retail, or hospitality technology environments.

- Experience in infrastructure rollout, project coordination, or new site deployments.

Preferred Qualifications

- Bachelor's degree in Computer Science, Information Technology, Electronics, or a related field.

- Experience working in a 24x7 NOC/Infrastructure Support workplace.

📌 Noc Engineer 2 (Greater Noida)
🏢 NLB Services
📍 Greater Noida