Note: The job is a remote job and is open to candidates in USA. Fluxtek Solutions Inc is a company focused on Unified Communications solutions, and they are seeking a Network Unified Communication Engineer. The role involves supporting and maintaining Unified Communications platforms while managing various infrastructure and collaboration tasks.

Responsibilities

• Manage and update ServiceNow tickets, ensuring progress toward timely resolution and distributing new tickets to team members as needed
• Perform regular health checks of UC servers
• Execute assigned project tasks and deliverables
• Attend team and stakeholder meetings as required
• Architect, configure, and deploy enterprise UC solutions, including IP telephony, video conferencing, instant messaging, and contact center platforms
• Manage and optimize cloud-based collaboration suites (e.g., Microsoft Teams Phone, Cisco Webex, Zoom Rooms) and integrate them with existing on-premises systems
• Configure and maintain SBCs (e.g., AudioCodes, Ribbon, Cisco CUBE) for secure SIP trunking and PSTN connectivity
• Implement and fine-tune QoS policies across LAN/WAN/SD-WAN architectures to prioritize voice and video traffic and eliminate jitter, packet loss, and latency
• Conduct deep-dive root cause analysis for complex network and UC issues using packet captures (Wireshark) and call signaling analysis
• Monitor network bandwidth and UC license usage to predict future growth and prevent performance bottlenecks
• Implement encryption protocols for media and signaling (SRTP, TLS) to secure collaboration traffic
• Perform regular software upgrades, security patches, and backups of UC components and underlying network hardware

Skills

• Deep understanding of SIP, H.323, MGCP, RTP/SRTP, and SCCP
• Strong knowledge of routing/switching (OSPF, BGP, VLANs, STP) and SD-WAN technologies
• Hands-on experience with at least one major ecosystem: Cisco: CUCM, CUC, IMP, Expressway, Webex; Microsoft: Teams Admin Center, Direct Routing, Operator Connect; Avaya / Mitel / Zoom: Equivalent enterprise voice solutions
• Proficiency with network monitoring and diagnostic tools (e.g., Wireshark, SolarWinds, Cisco Prime, Thousand Eyes)
• Bachelor's degree in Computer Science, Information Technology, Network Engineering, or a related field (or equivalent practical experience)
• Cisco Certified Network Professional (CCNP) Collaboration or Enterprise
• Microsoft 365 Certified: Teams Voice Engineer Expert
• CompTIA Network+ / Security+

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