We are hiring for multiple positions within Telecom Network Operations and Service Assurance in Doha, Qatar:

1. Transmission L1 / Transmission NOC Engineer

• Monitor transmission networks 24x7 using NMS/EMS tools and identify service-impacting alarms and network events.

• Monitor link/node failures, LOS/LOF, interface issues, path failures and performance degradation.

• Perform initial troubleshooting and validate alarms, link/path status, interfaces and service impact.

• Log and update incidents in ticketing systems and ensure SLA/TAT compliance.

• Escalate unresolved and critical incidents to L2, field, fiber, power and OEM/vendor teams.

• Maintain shift handover notes, incident logs and outage reports.

2. Transmission L2 / Senior Transmission Support Engineer

• Perform advanced troubleshooting of SDH, DWDM, OTN, Microwave, Fiber and Ethernet transport networks.

• Analyse complex transmission faults, path failures, optical degradation and synchronization issues.

• Own and resolve P1/P2 incidents escalated from L1 and support service restoration within MTTR targets.

• Conduct RCA for major and recurring incidents and recommend corrective/preventive actions.

• Support network changes, migrations, upgrades and planned maintenance activities.

• Coordinate with field teams, OEMs/vendors and other technical teams.

3. Voice NOC L1 / Voice Network Monitoring Engineer

• Monitor voice network alarms and performance through NMS/EMS tools.

• Monitor SIP trunk failures, PRI/E1 issues, voice gateway/SBC alarms, call failures and voice quality degradation.

• Perform first-level troubleshooting and identify issues across access, customer CPE, carrier and core voice environments.

• Log, categorize and manage incidents in ServiceNow, Remedy or similar tools.

• Escalate unresolved P1/P2 incidents to L2, Voice Core, OEM or carrier teams.

• Provide incident updates, support bridge calls and maintain shift reports.

4. Voice Network L2 / VoIP Specialist

• Perform advanced troubleshooting of VoIP, SIP, RTP, PRI/E1, SBC, Softswitch and IMS-related issues.

• Analyse call failures, call drops, one-way/no-audio issues, signalling and media-path problems.

• Perform SIP call-flow, packet capture and log analysis to isolate faults.

• Own P1/P2 incidents and drive service restoration within defined MTTR targets.

• Conduct RCA and implement corrective/preventive actions.

• Support voice routing changes, SIP trunk configuration, migrations and upgrades.

• Coordinate with OEMs, carriers and service providers.

5. Problem Management Analyst / Problem Manager – Service Assurance

• Identify recurring incidents, major incidents and chronic service degradation requiring problem management.

• Lead RCA using structured methodologies such as 5 Whys, Fishbone and Fault Tree Analysis.

• Analyse incident trends and identify recurring or pattern-based failures.

• Define, track and validate corrective and preventive actions (CAPA).

• Maintain the Known Error Database (KEDB) and RCA repository.

• Prepare problem management reports, dashboards and trend analysis.

• Coordinate with L1/L2/L3 operations, engineering teams and vendors.

• Support ITIL-based problem management, governance and continuous improvement.

6. Incident & Escalation Management L1 – Service Assurance

• Monitor and identify service-impacting incidents across network and IT/telecom service domains.

• Log, categorize, prioritize and track incidents through their complete lifecycle.

• Execute escalation procedures for P1/P2 incidents in line with defined escalation matrices and timelines.

• Coordinate with L2/L3 technical teams, support functions, vendors and customer/service teams.

• Provide timely stakeholder updates and support major incident bridge calls/war rooms.

• Ensure SLA/TAT adherence, ticket quality, documentation and queue hygiene.

• Prepare incident reports, escalation trackers and outage summaries.

Common Responsibilities

• Work in a 24x7 NOC / Service Assurance environment as required.

• Follow defined SOPs, SLAs, escalation procedures and operational governance.

• Maintain accurate ticket documentation, shift handovers and operational reports.

• Coordinate effectively with internal technical teams, customers, carriers, field teams and vendors.

Desired Candidate Profile

We are looking for candidates with experience in Telecom, Network Operations, NOC or Service Assurance. Depending on the position, candidates should have relevant experience in one or more of the following areas:

Technical Experience

• Transmission technologies including SDH, DWDM, OTN, Microwave, Fiber and Ethernet/MPLS transport.

• Network technologies including TCP/IP, Routing & Switching, MPLS, BGP, OSPF and SD-WAN.

• Voice technologies including VoIP, SIP, RTP, PRI/E1, IP Telephony, SBC, Softswitch and IMS.

• NMS/EMS monitoring and network/service monitoring platforms.

• Ticketing and ITSM tools such as ServiceNow, Remedy or Jira.

• Network/voice troubleshooting using CLI, logs, monitoring tools and packet analysis where applicable.

Service Assurance / ITSM Experience

• Incident Management, Escalation Management and Problem Management.

• Experience working with P1/P2/P3 incidents, SLA/TAT, MTTR and escalation processes.

• RCA, CAPA, trend analysis and continuous service improvement.

• ITIL knowledge/certification is preferred for Service Assurance and Problem Management positions.

Qualifications

• Relevant professional certifications such as CCNA/CCNP, SD-WAN or ITIL Foundation will be an advantage.

Experience

• Experience requirements will vary by position and level, from 0–3 years for L1 Incident & Escalation roles to 3–7+ years for L2 / specialist positions.

• Candidates should have strong analytical, troubleshooting, communication and stakeholder coordination skills.

• Ability to work in a 24x7 shift-based NOC / Service Assurance environment where required.