Senior SBC & SIP Engineer for Public Safety Voice

SiriusXM Radio, Inc.; New York (NY); Hybrid; USD 134,000 - 163,000; Full time

Job summary

SiriusXM Radio, Inc. is seeking a Senior SBC Engineer to ensure the stability, security, and high availability of voice infrastructure in a mission-critical call center supporting emergency calls.

You will lead design, configuration, and operation of Oracle Acme Packet SBCs and OCCAS, driving solutions for reliable SIP-based voice services. From troubleshooting to incident response, you will work with cross-functional teams to maintain compliance and availability, participate in on-call

Qualifications

• 7+ years in VoIP/SIP network engineering with hands-on SBC experience.
• 2+ years with OCCAS.
• Expert understanding of SIP, SDP, RTP, and header manipulation.
• Experience with emergency services environments (911/PSAP).
• DNS, TCP/IP, TLS, SRTP, and NAT traversal for SIP.

Responsibilities

• Provide technical leadership for voice infrastructure in a 24/7 on-call environment.
• Configure, administer, and maintain SBCs and OCCAS.
• Design and optimize SIP routing and header manipulation for multi-carrier interoperability.
• Develop and troubleshoot OCCAS SIP servlets and call control logic for emergencies.
• Manage tickets, SLA compliance, and documentation updates.
• Troubleshoot SIP signaling/ media with Wireshark, sngrep, and Oracle tools.
• Oversee SBC clusters, firmware upgrades, capacity, redundancy.
• Handle TLS/SRTP, certificates, and SBC security configurations.
• Collaborate with Network, Security, Applications, and Contact Center teams.

Skills

VoIP/SIP engineering

SBCs

OCCAS

SIP routing

DNS/TLS/SRTP

Troubleshooting

Documentation & communication

Incident response

Education

Bachelor's degree in CS/Telecom/EE

Tools

Oracle Acme Packet SBC

Oracle Communications OCCAS

Job description

SiriusXM Radio, Inc. is seeking a Senior SBC Engineer to ensure the stability, security, and high availability of voice infrastructure in a mission-critical call center supporting emergency calls.

You will lead design, configuration, and operation of Oracle Acme Packet SBCs and OCCAS, driving solutions for reliable SIP-based voice services. From troubleshooting to incident response, you will work with cross-functional teams to maintain compliance and availability, participate in on-call