Voice Engineer

Requirements: We require a degree in computer science, information technology, engineering, or a related discipline, or comparable experience; certifications such as CCNA or Metaswitch credentials are also acceptable. We need at least 3 years of experience with VoIP, telecommunications, or carrier-grade voice environments. We need at least 3 years of experience working for a telecommunications provider, ISP, CLEC, ILEC, or managed services provider. We need at least 3 years of hands-on experience with Metaswitch technologies. We require demonstrated knowledge of TDM technologies. We require working knowledge of SIP, MGCP, RTP, SS7, SIGTRAN, and VoIP architecture. We need familiarity with telecommunications regulations and industry practices. We need at least 3 years of experience troubleshooting voice, networking, and carrier interconnection problems. We need at least 3 years of experience with routing and switching concepts. We require the ability to analyze logs, traces, packet captures, and signaling flows. We need strong written and verbal communication skills. We need the ability to work independently and manage multiple projects at once. We need a collaborative team player with strong customer service skills. We need the ability to multitask and adjust to changing priorities and environments. Applicants must be eligible to work in the USA. A valid Washington State drivers license and an insurable driving record are required. Applicants must be able to travel across the Canada–U.S. border as needed. Pre-employment and ongoing drug screening are required. The role requires the ability to work overtime and travel to job and training sites as needed.

Responsibilities: We administer, maintain, and troubleshoot Metaswitch platforms, including Call Feature Server (CFS), Perimeta Session Border Controllers (SBCs), Metaswitch HPBX services, and UMG/media gateway platforms. We configure and maintain SIP trunks, SIP routing, least cost routing (LCR), and number portability and call routing databases. We support SS7, SIP, SIGTRAN, and related telecommunications protocols. We perform switch translations, feature development, and service provisioning. We manage voice platform upgrades, patches, and lifecycle planning. We support E911, NG911, and emergency services connectivity. We take part in STIR/SHAKEN, robocall mitigation, fraud prevention, and regulatory compliance efforts. We investigate and resolve complex call quality, routing, and service-impacting issues. We work with carriers, vendors, PSAPs, and regulatory agencies on service delivery and troubleshooting. We monitor voice traffic patterns and capacity utilization to maintain service reliability. We configure and troubleshoot routers, switches, firewalls, and other network appliances. We support IP networking technologies including TCP/IP, VLANs, DHCP, and DNS. We analyze packet captures using tools such as Wireshark. We maintain network security best practices and contribute to vulnerability remediation. We create and maintain detailed documentation for network and voice infrastructure. We participate in on-call support and outage response activities. We perform other duties as assigned.

Technologies: Support Network Security TCP/IP C++