NOC Engineer job description
A NOC Engineer watches the telecom or broadband network around the clock, spots alarms early and restores service. The role keeps customers online and gives a growing operator a first line of defence.
Why the role exists
The network operations centre is where alarms from towers, core routers and last-mile gear arrive. The NOC Engineer triages them, fixes what can be fixed remotely and sends field teams for the rest. In Indian ISPs and telecom firms this desk usually runs in three shifts and reports to a NOC lead or network head.
What the person does
- Monitor alarms on the network management system for links, OLTs, routers and radio sites during the assigned shift.
- Triage each alarm by impact, check whether it is a power, transmission or equipment fault, and log it as a ticket.
- Run first-level checks such as ping, traceroute and port status, then restart or reroute remotely where the process allows.
- Escalate to the L2 team, vendor support or field staff with clear fault details, site name and the steps already tried.
- Raise tickets for planned maintenance and warn affected customers or the support desk before work starts.
- Track tickets for power cuts, fibre cuts and tower outages until service is restored and the cause is recorded.
- Write a shift handover note covering open faults, pending vendor calls and sites that need watching.
- Prepare daily outage and uptime reports for the network head and flag sites that fail again and again.
Skills and tools
- Reading alarms and topology in a network management system or a monitoring tool such as Zabbix or Nagios
- Basic routing and switching, including BGP, VLANs and reading router interface status
- Using ping, traceroute and SSH to test links from the NOC desk
- Understanding fibre, microwave and tower power systems well enough to judge the likely fault
- Ticket handling in a tool such as Jira, Freshdesk or an in-house ITSM system
- Clear written and spoken updates to field staff, vendors and customer support
- Calm decision making during a major outage with many alarms arriving together
- Willingness to work rotating shifts, including nights and public holidays
Education and experience
Preferred, never a bar: equivalent experience counts.
- Diploma or degree in electronics, telecom or IT is preferred, or equivalent hands-on network experience.
- Preferred: a networking certificate such as CCNA, or equivalent experience on a live ISP or telecom network.
- One to three years on a monitoring desk is useful; freshers with strong networking basics may suit an L1 seat.
- Preferred: working knowledge of English and the local language of the service area for calls with field teams.
How the work is judged
- Mean time to detect and to restore service for faults handled from the desk
- Share of alarms acknowledged and ticketed within the time the company sets
- Quality of escalations, judged by how often field or L2 teams must come back for missing details
- Accuracy and completeness of shift handovers and outage reports
- Repeat faults on the same site or link, and how well the root cause was recorded
Where the role can lead
- Move to L2 or L3 network engineer with deeper routing, transport and core work.
- Grow into NOC shift lead or NOC manager, owning the team, tools and SLA reviews.
- Specialise in network security, automation or cloud networking.
Interview questions to ask
Ask every candidate the same questions in the same order and score them against written anchors, so the decision rests on the work and not the impression.
- A major fibre cut takes down many customers at once. What do you check first, and who do you inform?
- You see a flapping link every night around the same hour. How would you find the cause?
- Describe a fault you escalated. What details did you send to the L2 team or vendor?
- A tower site shows a power alarm during a city-wide power cut. How do you decide what to do?
- How do you hand over an unresolved outage to the next shift so nothing is lost?
- A customer support lead keeps asking for updates every few minutes. How do you handle it?
Hiring tips for this role
- Test with a live alarm screenshot or a short fault story and ask the candidate to triage it aloud. Tool names matter less than the reasoning.
- Be honest about night shifts, rotating weekly offs and holiday duty in the offer discussion. Many mis-hires leave within months over this.
- Do not confuse a good talker with a good L1. Ask for a written escalation note and check it is short, complete and specific to the site.
- Check how the candidate handled pressure on a past outage. Ask for the sequence of steps, not only the result.
Questions about hiring a noc engineer
An L1 engineer watches alarms, runs basic checks and escalates. An L2 engineer handles deeper faults such as routing, transport and equipment configuration. Many small operators combine them early on, so define the scope in the job description.
Usually not. The desk works remotely and sends field teams to sites. Some small operators expect occasional site visits, so state this clearly if your role includes them.
Name the shift pattern, the weekly off rule and holiday duty plainly. Candidates accept night work more readily when it is stated upfront and the roster is shared in advance.
GullyHR agrees the job description with you, screens candidates for networking basics and shift readiness, and supports the offer on a permanent hire. You choose the final candidate.
Hiring a noc engineer?
GullyHR runs talent acquisition for permanent roles. We agree the job description with you, find and screen candidates against it, and support the offer through to joining. We recruit permanent employees. We do not supply contract or temporary staff.