Session Border Controller Expert

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🕒 July 30

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BizTech Fusion

WebsiteLinkedInAll Job Openings

2 - 10 employees

Founded 2022

💼 Consulting

🤝 B2B

🔒 Cybersecurity

Consulting • B2B • Cybersecurity

BizTech Fusion is an agile IT consulting and professional services firm that delivers Microsoft-focused modern work, unified communications, network engineering, cybersecurity, and managed IT services to businesses and government clients. The company provides application and software development (web and mobile), endpoint protection, Windows Autopilot, Microsoft Teams Phone and collaboration solutions, program and project management, talent acquisition/staff augmentation, and value-added reseller/managed support offerings. BizTech Fusion holds government contracting credentials and regional DBE/MBE classifications, operates offices in Washington, DC and Columbia, MD, and is a Microsoft Solutions Partner with a Microsoft Teams specialization.

📋 Description

• Design, deploy, configure, and support Ribbon Communications (formerly Sonus) SBC solutions • Implement and manage Microsoft Teams Direct Routing and enterprise voice integrations • Configure and troubleshoot SIP trunks, VoIP, RTP, SRTP, TLS, and voice connectivity issues • Integrate Ribbon SBC platforms with Microsoft Teams, Skype for Business, Cisco CUCM, Avaya Aura, Mitel, and other UC platforms • Perform advanced troubleshooting, root cause analysis, system upgrades, migrations, and optimization • Support secure SBC deployments using certificates, encryption, firewall traversal, and network security best practices • Create technical documentation, architecture diagrams, and operational procedures • Provide Level III/IV technical support and guidance for enterprise voice environments

🎯 Requirements

• 10+ years of experience supporting enterprise voice, VoIP, and Unified Communications environments • Strong hands-on experience with Ribbon Communications (Sonus) SBC platforms • Expertise in SIP signaling, SIP Trunking, RTP/SRTP, TLS, DNS, NAT traversal, and QoS • Experience implementing Microsoft Teams Direct Routing solutions • Experience integrating enterprise voice platforms including Cisco CUCM, Avaya Aura, and Mitel • Strong troubleshooting, analytical, communication, and documentation skills • Preferred Qualifications • Experience with Ribbon SBC Edge/Core and Ribbon Analytics • Knowledge of AudioCodes or Oracle SBC platforms • Experience supporting cloud and hybrid UC environments • Familiarity with Azure/AWS, firewalls, VPNs, load balancers, and enterprise network security

🏖️ Benefits

• Work remotely on enterprise-scale communication solutions • Collaborate with experienced technology teams on critical UC initiatives • Apply your expertise in next-generation voice and collaboration technologies