NOC Engineer L2

Next Level Business Services Inc.; Dadri; On-site; INR 900,000 - 1,300,000; Full time

Job summary

Next Level Business Services Inc. is seeking an experienced NOC engineer to monitor and troubleshoot enterprise network, server, and voice infrastructure across multiple locations in India. You will handle incidents, RCA, and escalations, working with internal teams and vendors.

The role requires deep knowledge of TCP/IP, OSI, routing and switching, DNS/DHCP, VPN, wireless networking, and VoIP platforms. Cisco networking experience is essential; Linux admin skills are a plus.

Qualifications

• 5+ years in enterprise NOC environments, preferably 100+ remote locations.
• Strong knowledge of TCP/IP, OSI, Routing & Switching, VLANs, DNS, DHCP, VPN and wireless networking.
• Hands-on Cisco networking; Huawei experience is a plus.
• Experience supporting store/branch infrastructure in distributed environments.
• Experience with VoIP, SIP, PRI, IP Telephony, Voice Dialer systems and troubleshooting call quality issues.
• Good understanding of Linux administration and networking concepts.

Responsibilities

• Monitor and troubleshoot enterprise network, server, and voice infrastructure using monitoring tools such as Zabbix, PRTG, SolarWinds.
• Resolve issues including link down, latency, packet loss, routing, switching, DNS, DHCP, VPN 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 RCA, and escalate complex issues to L3 or vendors.
• Coordinate with internal teams, ISPs, field engineers, and vendors for timely resolution.
• Support infrastructure deployments, new site openings, and network changes.
• Maintain incident documentation, shift handovers, and operational reports while ensuring SLA.

Skills

Enterprise NOC environments

Remote locations management

TCP/IP

OSI Model

Routing & Switching

VLANs

Subnetting

DNS

DHCP

VPN

Wireless Networking

ISP Connectivity

Cisco Networking

Linux administration

Asterisk/FreeSWITCH

CCNA

CCNP

Communication

Analytical skills

Troubleshooting

Incident management

Tools

Zabbix

PRTG

SolarWinds

Nagios

Grafana

ServiceNow

Asterisk/FreeSWITCH

Job description

Required Skills

• 5+ 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.
• CCNA , CCNP Certification

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 elevate 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.