Voice Operations Engineer – 24×7 Customer Support

Voice Operations Engineer – 24×7 Customer Support

About the Role

· We are seeking a skilled and customer-focused Voice Operations Engineer to join our 24×7

· Voice Gateway Operations team. The role will support enterprise customers, troubleshoot

· real-time voice and telephony issues, monitor production environments, and ensure timely

· resolution of incidents across global regions.

· The ideal candidate will have strong knowledge of voice protocols, networking, Linux

· administration, monitoring tools, and excellent customer communication skills. The ability to

· remain calm under pressure, ask the right diagnostic questions, and clearly articulate

· technical findings is essential.

Key Responsibilities

· Provide 24×7 operational support for Voice Gateway, telephony, SIP, RTP, SBC, and

contact-center environments.

· Monitor voice infrastructure, call quality, service availability, traffic patterns, and system health.

· Troubleshoot issues related to call failures, call drops, one-way audio, no audio, DTMF, codec negotiation, SIP registration, routing, and media connectivity.

· Analyze SIP signaling and RTP media flows to identify the root cause of customer-

impacting issues.

· Use tools such as Homer, Grafana, VoIP monitoring platforms, logs, traces, dashboards, and packet captures for troubleshooting.

· Investigate network, firewall, DNS, NAT, routing, port-access, and connectivity-related issues.

· Work with customers to collect call IDs, timestamps, SIP traces, source IPs, network

details, recordings, and other relevant diagnostic information.

· Communicate clearly with customers during incidents, explain the problem statement, provide regular updates, and set appropriate expectations.

· Collaborate with Engineering, DevOps, QA, Product, carriers, SBC teams, and third-

party vendors to drive issues to closure.

· Perform initial incident triage, impact assessment, escalation, and follow-up based on defined SLAs.

· Maintain accurate incident records, troubleshooting notes, root-cause analysis, and

customer communication history.

· Support production deployments, configuration changes, service restarts, feature

enablement, and post-change validation.

· Identify recurring issues and recommend preventive actions to improve platform reliabilityand customer experience.

· Participate in shift rotations, weekend coverage, incident bridges, and major customer escalations.

Required Qualifications

3–5 years of experience in Voice Operations, NOC, Technical Support, Network Operations, Telecom Operations, or a related role.

Strong understanding of voice and telephony protocols, including:

· SIP

· RTP/RTCP

· SDP

· SIP REGISTER, INVITE, ACK, BYE, CANCEL, REFER, and 200 OK flows

· DTMF, codecs, NAT traversal, and media negotiation

Hands-on experience troubleshooting voice issues such as:

· Call setup failures

· Call drops and mid-call disconnects

· One-way or no audio

· Audio quality issues

· SIP registration failures

· DTMF failures

· Transfer and routing issues

· Carrier or SBC connectivity problems

· Good knowledge of networking fundamentals, including TCP/IP, UDP, DNS, NAT,

· routing, firewalls, ACLs, TLS, and port connectivity.

· Working knowledge of Linux administration, commands, services, logs, processes,

· networking, and basic performance troubleshooting.

Experience with monitoring and observability tools such as:

· Homer

· Grafana

· VoIP monitoring platforms

· Prometheus, Datadog, ELK/OpenSearch, or equivalent tools

· Ability to analyze logs, SIP traces, packet captures, and call-flow data.

· Strong problem-solving, debugging, and incident-management skills.

· Excellent verbal and written communication skills.

· Ability to clearly explain technical issues, findings, impact, and next steps to customers and internal stakeholders.

Preferred Qualifications

· Experience working with SBCs, SIP carriers, cloud telephony, contact-center platforms, or CPaaS solutions.

· Familiarity with FreeSWITCH, Asterisk, RTP engines, AudioCodes, Twilio, or similar

· voice technologies.

· Experience using Wireshark, tcpdump, sngrep, SIPp, or similar troubleshooting tools.

· Exposure to AWS, GCP, or other cloud environments.

· Knowledge of call-quality metrics such as MOS, jitter, latency, packet loss, and packet-delay variation.

· Experience supporting global enterprise customers in a managed services or SaaS

· environment.

· ITIL certification or experience with structured incident and problem-management

· processes.

Key Attributes

· Customer-focused and committed to timely issue resolution.

· Calm, composed, and effective during high-pressure incidents.

· Strong listener who can ask precise and relevant diagnostic questions.

· Able to convert complex technical findings into a clear customer-facing problem

· statement.

· Fast learner with the ability to adapt to new tools, technologies, and customer

· environments.

· Self-driven and accountable, with strong ownership of assigned incidents.

· Collaborative team player who works effectively across Engineering, DevOps, Product,and Customer Success.

· Flexible and comfortable working in a 24×7 rotational shift environment.

· Proactive in identifying recurring problems and improving operational processes.

Work Schedule

This role requires participation in a 24×7 rotational shift model, including night shifts,

weekends, and public holidays as part of the operations support schedule.

EDUCATION QUALIFICATION: Bachelor's degree in Computer Science, Information Technology, or a related field(MCA).