Telecom Engineer I

Five9 is looking for a Telecom Engineer I to join our Telco Services team. The ideal candidate is someone who has worked in a 24/7 production support environment and has a strong working knowledge of VoIP, SIP, and RTP. Responsibilities: • Interface directly with customer’s telecom engineers and IT teams to deploy customized solutions and trouble shoot issues • Assist in building customer and carrier SIP Trunk connectivity, including interop sessions and activations • Assist in the day-to-day operational support of the Telecommunications network, analyzing problems affecting network availability and customer quality reports • Escalation point of contact for the Network Operations Center to resolve critical alerts generated by the SBC’s • Analyze history of telecommunication related incidents and perform preventive measures • Assist in the day-to-day operation of the telecommunications network, where necessary analyzing problems affecting network availability and customer/vendor... service quality • Provide root-cause analyses on service outages • Respond to Telecom alerts and alarms and provide corrective actions in coordination with the Network Operations Center • Create technical documentation and call flow drawings as needed • Manage Telecommunications Service Provider & Vendors • Implement hardware and software deployments on the telephony network as required; deploy new services including interop testing with telecom carriers and customers • Provide emergency assistance and technical recovery in the event of an emergency situation affecting the availability and/or service quality of the network • Participate in on-call emergency rotation Qualifications: • 1-2 years of telecom engineer experience with VoIP/SIP voice applications • Must have Ribbon SBC/PSX experience. • Working and theoretical knowledge of voice and data communications, including traditional switching, signaling and routing systems to include SIP, TCP/IP, MPLS etc. • Working knowledge of VoIP principles, protocols and CODECs such as H.248, SIP, G.711, G.729, WebRTC, MPLS, VPN, UDP, RTP, MTP etc. • Knowledge of SIP call routing, Least Cost Routing, Security Controls (TLS, IPSEC, ACLs) with Session Border Controllers • Knowledge of telecom principals and terminology including DIDs, Toll Free numbers, LATA OCN and NPA-NXX etc. • Experience with International Routing including ITFS, iDID’s and local termination policies • Ability to build, interop and maintain direct connect SIP Trunks to customers and carriers • Document, troubleshoot and resolve a multifaceted and complex Global voice network • Maintain the telephony environment to assure delivery of Cloud applications, voice and customer connectivity and availability to target 99.99% SLA • Ability to capture and analyze RTP streams as related to voice quality traditional KPI’s such as MOS, Jitter, Latency, Packets Loss • Ability to execute and use intermediate level Linux/Unix system administrator commands • Excellent working knowledge of telecommunications, maintenance processes and systems • Proven ability to resolve complex issues in an efficient and timely manner and provide clients with consultative explanations and advice • Self-starter with excellent troubleshooting skills and ability to prioritize tasks and organize workflow accordingly • Excellent verbal and written communication skills are required • Excellent documentation skills are required • Willing to work US time schedule Company Benefits • Company stocks • Annual merit increase based on performance • 15% night shift differential pay • Paid Leave with Cash Conversion • HMO with free dependents • Retirement Plan • Life Insurance • While on work from home setup: Internet and meal allowance are provided • Employee Assistance Program for mental and social well-being • Government-mandated Benefits (SSS, PhilHealth, PagIBIG, 13th month pay, Solo parent leave, Special leave for women) #LI-JM2