Senior Session Border Controller, SBC Engineer
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Job Description
Senior SBC Engineer at Miratech designing, implementing, and supporting SBC infrastructure and SIP-based voice solutions.
Responsibilities:
- Design, deploy, configure, and maintain enterprise Session Border Controllers (Oracle/Acme Packet, AudioCodes, or similar)
- Design SIP trunking, call routing strategies, dial plans, and carrier interconnections for enterprise voice environments
- Integrate SBCs with collaboration and contact center platforms such as Microsoft Teams Direct Routing, Genesys, Amazon Connect, and other UC/CC platforms
- Configure and support TLS, SRTP, topology hiding, SIP normalization, SIP REFER, PRACK, early offer, and high availability deployments
- Design and optimize QoS policies for real-time voice traffic across WAN/LAN environments, including DSCP marking, LLQ, and traffic prioritization
- Perform SIP and RTP troubleshooting using tools such as Wireshark, sngrep, Homer, or similar protocol analyzers
- Implement SBC security best practices including certificate management, SIP security, fraud prevention, and access hardening
- Collaborate with network, security, cloud, and operations teams to deliver highly available voice and collaboration solutions.
Requirements:
- 6+ years of experience in Voice Engineering, Unified Communications, or Network Engineering
- Hands-on experience designing and implementing enterprise Session Border Controllers (Oracle/Acme Packet, AudioCodes, or similar)
- Strong expertise in SIP signaling, SIP trunking, call routing, dial plans, and VoIP protocols
- Experience integrating SBCs with Microsoft Teams Direct Routing, Amazon Connect, Genesys, or other UC/CC platforms
- Strong understanding of RTP, TLS, SRTP, SIP normalization, SIP REFER, PRACK, early offer, and SIP header manipulation
- Experience troubleshooting SIP/RTP issues using Wireshark, sngrep, Homer, or similar tools
- Strong understanding of SBC security, certificate management, toll fraud prevention, and enterprise voice security best practices
- Excellent analytical, troubleshooting, and communication skills.
Benefits:
- Health insurance
- Language courses
- Relocation program
- Flexible work arrangements
- Professional development opportunities
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