Senior SBC & OCCAS SIP Engineer for Public Safety

SiriusXM; Texas; Presencial; USD 134 000 - 163 000; Tempo integral

Resumo da oferta

SiriusXM is hiring a Senior SBC Engineer to ensure the stability, security, and high availability of voice infrastructure for a mission-critical call center supporting emergency calls. You will lead design, configuration, and operation of Oracle SBCs and OCCAS.

You will oversee incident tickets, drive solutions for reliable SIP-based voice services, and collaborate with multiple teams including Security and Network Operations. A strong background in VoIP, SBCs, and OCCAS is required.

Qualificações

• 7+ years of experience in VoIP/SIP network engineering.
• 5+ years of hands-on Oracle SBC experience.
• 2+ years of direct experience with OCCAS.
• Expert-level understanding of SIP, SDP, RTP, and SIP header manipulation.
• Experience supporting call centers or emergency/public safety operations.
• Proficiency with DNS, TCP/IP, TLS, SRTP, and firewall/NAT traversal for SIP.
• Strong troubleshooting using Wireshark, sngrep, and Oracle diagnostic tools.

Responsabilidades

• Provide technical leadership and mentorship to engineers supporting emergency call center voice infrastructure.
• Administer, configure, and maintain Oracle Acme Packet SBCs and OCCAS.
• Design, implement, and optimize SIP routing, header manipulation, and normalization for multi-carrier interoperability.
• Develop and troubleshoot OCCAS SIP servlets and custom call control logic for emergency call handling.
• Manage and resolve daily tickets while ensuring SLA and updates.
• Perform SIP signaling and media troubleshooting using Wireshark, sngrep, and Oracle tools.
• Manage SBC clusters, firmware upgrades, capacity planning, and redundancy for high availability.
• Oversee TLS/SRTP, certificate management, and SBC security configurations.
• Collaborate with cross-functional teams including Network Operations, Security, App Development, and Contact Center Ops.
• Participate in a 24/7 on-call rotation and lead incident response and RCA for voice issues.

Conhecimentos

VoIP/SIP engineering

OCCAS experience

SIP header manipulation

SBC management

Incident management

Scripting (Python)

Network troubleshooting

TLS/SRTP security

Formação académica

Bachelor’s degree in Computer Science, Telecommunications, or Electrical Engineering

Ferramentas

Oracle SBC

OCCAS

Wireshark

sngrep

Oracle diagnostic tools

DNS

JIRA

ServiceNow

Descrição da oferta de emprego

SiriusXM is hiring a Senior SBC Engineer to ensure the stability, security, and high availability of voice infrastructure for a mission-critical call center supporting emergency calls. You will lead design, configuration, and operation of Oracle SBCs and OCCAS.

You will oversee incident tickets, drive solutions for reliable SIP-based voice services, and collaborate with multiple teams including Security and Network Operations. A strong background in VoIP, SBCs, and OCCAS is required.