Senior SBC Engineer - Enterprise Voice & SIP Specialist

BrickRed Systems LLC; Reading; On-site; GBP 70,000 - 100,000; Full time

Job summary

BrickRed Systems is seeking an experienced Voice / Session Border Controller (SBC) Engineer to design, implement, manage, and troubleshoot enterprise voice infrastructure in Reading, United Kingdom. You will work hands-on with SBC platforms, SIP trunking, call routing, TLS, certificates, codecs, and carrier integrations.

You will maintain reliable voice connectivity, resolve complex SIP issues, coordinate with carriers and vendors, monitor performance, and contribute to secure, high-quality

Qualifications

• 7–10+ years in enterprise voice engineering or unified communications.
• Hands-on with SBC platforms (AudioCodes, Cisco, Ribbon).
• Strong SIP, TLS, certificates, and secure voice knowledge.
• Experience with carrier/vendor coordination and call routing.

Responsibilities

• Configure and Troubleshoot SBCs and enterprise voice infra.
• Manage SIP trunks, signaling, call routing, and dial plans.
• Maintain TLS certificates and encryption for voice.
• Coordinate with carriers and third-party vendors.
• Monitor performance, troubleshoot call quality, and RCA engagements.

Skills

SBC platforms

SIP trunking

TLS/PKI

VoIP protocols

Network fundamentals

Troubleshooting voice

Call routing

QoS

Tools

AudioCodes SBC

Cisco SBC

Ribbon SBC

Job description

BrickRed Systems is seeking an experienced Voice / Session Border Controller (SBC) Engineer to design, implement, manage, and troubleshoot enterprise voice infrastructure in Reading, United Kingdom. You will work hands-on with SBC platforms, SIP trunking, call routing, TLS, certificates, codecs, and carrier integrations.

You will maintain reliable voice connectivity, resolve complex SIP issues, coordinate with carriers and vendors, monitor performance, and contribute to secure, high-quality