Job SummaryAs a Voice Services Operation and Maintenance Engineer, your role involves supporting the day-to-day operation of enterprise and fixed voice platforms through monitoring, troubleshooting, incident follow-up, and service assurance across voice and unified communications environments.Key ResponsibilitiesSupport monitoring and operational follow-up for voice services environments including BroadWorks, Cisco voice platforms, Oracle SBC, unified communications, voice gateways, SIP trunks, Cisco PBX, and Webex Calling.Perform fault handling and initial troubleshooting for service alarms, customer-impacting issues, and operational incidents across voice platforms.Assist in performance follow-up, service quality observation, and traffic analysis to help maintain service stability.Coordinate incident handling, escalation follow-up, and restoration actions with internal teams and concerned support functions.Maintain operational records, technical documentation, and service-related updates in line with approved procedures.Contribute to service continuity by supporting routine operational checks, planned activities, and corrective actions.QualificationsBachelor's degree in Telecommunications Engineering.Minimum 2 years of relevant experience in voice services operations, unified communications, or VoIP support.Good understanding of SIP-based services, voice platforms, and service assurance principles.Ability to troubleshoot technical issues across multi-vendor voice environments in a structured way.Good communication, interpersonal, and teamwork skills.