Senior SBC/Genesys Engineer

SiriusXM Radio, Inc.; Washington (District of Columbia); On-site; USD 134,000 - 163,000; Full time

Job summary

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

You will design, configure, and operate Oracle SBCs and OCCAS, lead incident responses, and collaborate across networks, security, and application teams. The role includes 24/7 on-call duties and a path toward advanced Oracle certifications.

Qualifications

• Bachelor's degree in CS, Telecom, EE, or equivalent.
• 7+ years in VoIP/SIP network engineering with 5+ years on Oracle SBC.
• 2+ years with OCCAS.
• Expert in SIP, SDP, RTP, and SIP header manipulation.
• Experience with call centers or emergency services (911/PSAP).
• Proficient in DNS, TCP/IP, TLS, SRTP, and NAT traversal for SIP.
• Strong debugging using Wireshark, sngrep, Oracle tools.
• Experience with redundant SBC clusters, HA, geo-redundancy.
• Excellent documentation and communication.
• Experience with STIR/SHAKEN, SIPREC, OCSM, or Policy DRA desirable.
• Familiarity with ServiceNow/JIRA.
• Scripting/automation (Python, Bash, Terraform, REST).
• Automation/AI tools experience (chatGPT, Gemini).
• Must have legal right to work in the U.S.

Responsibilities

• Provide technical leadership to engineers supporting emergency call center voice infra.
• Administer, configure, and maintain Oracle SBCs and OCCAS.
• Design and optimize SIP routing, header manipulation, and normalization.
• Develop OCCAS SIP servlets and call control logic for emergency handling.
• Manage daily tickets and maintain SLA and docs.
• Troubleshoot SIP signaling using Wireshark, sngrep, and Oracle tools.
• Manage SBC clusters, firmware upgrades, capacity, redundancy.
• Oversee TLS/SRTP and certificate management for security.
• Collaborate with Network Ops, Security, App Dev, Contact Center.
• Participate in 24/7 on-call rotation and incident root-cause analysis.

Skills

VoIP/SIP network engineering

Oracle SBC experience

OCCAS experience

SIP header manipulation

Troubleshooting with Wireshark

Communication skills

Documentation skills

Incident response

DNS/TCP/IP/TLS/SRTP

Python/Bash scripting

Education

Bachelor's degree in CS/Telecom/EE

Tools

Oracle SBC

OCCAS

Genesys Cloud CX

ServiceNow

JIRA

Job description

Who We Are:

SiriusXM and its brands (Pandora, SiriusXM Media, AdsWizz, Simplecast, and SiriusXM Connect) are leading a new era of audio entertainment and services by delivering the most compelling subscription and ad-supported audio entertainment experience for listeners -- in the car, at home, and anywhere on the go with connected devices. Our vision is to shape the future of audio, where everyone can be effortlessly connected to the voices, stories and music they love wherever they are.

This is the place where a diverse group of emerging talent and legends alike come to share authentic and purposeful songs, stories, sounds and insights through some of the best programming and technology in the world. Our critically acclaimed, industry-leading audio entertainment encompasses music, sports, comedy, news, talk, live events, and podcasting. No matter their individual role, each of our employees plays a vital part in bringing SiriusXM's vision to life every day.

SiriusXM Connect (SiriusXM CV) is a leading provider of connected services to vehicle manufacturers, delivering one of the most broadly adopted connected vehicle platforms in North America for the last 25 years. Named the 2020 Company of the Year in the Telematics Industry by Frost & Sullivan, we provide safety, security and convenience services to millions of vehicle owners across major automotive brands. Our teams are continuously working to develop leading-edge technology that can not only add convenience to the daily lives of so many drivers across the country but our advancements in safety and security could also help save their lives.

How You'll Make an Impact:

The Senior SBC Engineer will play a critical role in ensuring the stability, security, and high availability of voice infrastructure within a mission-critical call center environment supporting emergency calls. This position provides technical leadership for the design, configuration, and operation of Oracle Acme Packet Session Border Controllers (SBCs) and Oracle Communications Converged Application Server (OCCAS). The Senior SBC Engineer will oversee incident and project tickets, and drive solutions that ensure reliable SIP-based voice services essential to public safety communications.

What You'll Do:

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

What You'll Need:

• Bachelor's degree in Computer Science, Telecommunications, Electrical Engineering, or equivalent experience.
• 7+ years of experience in VoIP/SIP network engineering, with 5+ years of hands-on Oracle SBC experience.
• 2+ years of direct experience with Oracle Communications Converged Application Server (OCCAS).
• Expert-level understanding of SIP, SDP, RTP, and SIP header manipulation (HMR).
• Experience supporting call centers or emergency services environments (e.g., 911, PSAP, or public safety operations).
• Proficiency with DNS, TCP/IP, TLS, SRTP, and firewall/NAT traversal for SIP traffic.
• Strong troubleshooting experience using Wireshark, sngrep, and Oracle diagnostic tools.
• Experience managing redundant SBC clusters, HA, and geo-redundant designs.
• Excellent documentation, problem-solving, and communication skills.
• Experience with Genesys Cloud CX or other cloud contact center platforms preferred but not required.
• Oracle Communications certifications (OCSBC, OCCAS) highly desirable.
• Experience with STIR/SHAKEN, SIPREC, Oracle Core Session Manager (OCSM), or Policy DRA.
• Familiarity with ServiceNow, JIRA, or other enterprise ticketing systems.
• Scripting or automation experience (Python, Bash, Terraform, REST APIs) for process and deployment efficiency.
• Experience with automation and/or AI tools such as chatGPT, Gemini, etc.
• Must have legal right to work in the U.S.

At SiriusXM, we carefully consider a wide range of factors when determining compensation, including your background and experience. These considerations can cause your compensation to vary. We expect the base salary for this position to be in the range of $134,100 to $163,300 and will depend on your skills, qualifications, and experience. Additionally, this role might be eligible for discretionary short-term and long-term incentives.

Our goal at SiriusXM is to provide and maintain a work environment that fosters mutual respect, professionalism, and cooperation. SiriusXM is an equal opportunity employer that does not discriminate on the basis of actual or perceived race, creed, color, religion, national origin, ancestry, alienage or citizenship status, age, disability or handicap, sex, gender identity, marital status, familial status, veteran status, sexual orientation or any other characteristic protected by applicable federal, state or local laws.

The requirements and duties described above may be modified or waived by the Company in its sole discretion without notice.