Job#: 3038938 Job Description: 1. Role SummaryThe Oracle Communications Cloud Application Server (OCCAS) SIP Developer designs, builds, and operates SIP-based applications within the OMNIChannel platform, focusing on
session management, SIP routing, SIPREC recording flows, and integrations across SBCs, Amazon Connect, and AI-driven systems.
This role is responsible for
end-to-end lifecycle delivery-from SIP application development through production operations-ensuring
high availability, scalability, and compliance of enterprise voice and recording platforms.
2. Core ResponsibilitiesA. SIP Application Development (OCCAS)- Design, develop, and maintain OCCAS-based SIP applications
- Session handling, routing logic, and dialog control
- Implement features such as:
- Header manipulation and normalization
- Routing logic updates and dial plan control
- Session orchestration and failover behavior
- Optimize SIP flows for performance, resiliency, and scalability
B. SIPREC & Recording Integration- Build and maintain SIPREC-based recording and media flows across:
- OCCAS session manager
- SBCs and Media Hub
- Recording platforms (e.g., NICE, Qfiniti, Pindrop, Google Dialogflow)
- Implement:
- SIPREC routing logic
- Multi-stream recording (agent/customer separation)
- Metadata and RTP handling
- Troubleshoot complex SIPREC scenarios:
- Re-INVITE flows
- Call recording failures
- Session looping and high CPS conditions
C. SBC & SIP Transport Integration- Integrate OCCAS applications with SBC infrastructure:
- Routing, normalization, TLS enforcement
- SIP trunking and carrier interconnects
- Support:
- SIP signaling security (TLS/mTLS)
- DoS mitigation and traffic shaping
- SIP transport reliability across data centers
D. CI/CD & DevSecOps- Design and maintain CI/CD pipelines for:
- Build, test, and deployment automation
- Ensure:
- Automated testing and validation
- Code quality and security scanning
- Drive:
- Trunk-based development
- Safe release and rollback strategies
E. Testing & Validation- Develop and execute:
- Unit, integration, and end-to-end SIP testing
- Validate:
- SIP signaling flows and session behavior
- SIPREC recording and metadata correctness
- Support load/performance testing (CPS, concurrency)
F. Production Support & Operations- Provide L3/L4 support for:
- SIP errors (4xx/5xx/6xx)
- Session failures and routing issues
- Perform:
- Root cause analysis (RCA)
- Incident resolution and post-mortems
- Build runbooks and automation for operational readiness
G. Platform Integration (Contact Center & AI)- Integrate SIP layer with:
- Amazon Connect
- Genesys
- AI/Bot platforms (Google CCAI, Lex, etc.)
- Enable:
- Agent-assist (SIPREC dual streams)
- AI-driven routing and analytics
- Bot-to-agent escalation flows
3. Required QualificationsTechnical Skills- Strong hands-on experience with:
- SIP protocol (RFC 3261 and related RFCs)
- SIPREC standards and implementation
- Expertise in:
- Java / J2EE / SIP Servlets (OCCAS/WebLogic)
- Deep understanding of:
- Call flows, SDP, RTP media handling
- SIP dialog/state management
Platform Experience- Proven experience with:
- Oracle OCCAS (or equivalent SIP application server)
- SBC platforms (Oracle, Audiocodes, Acme Packet, etc.)
- Familiarity with:
- Media Hub / recording architecture
- Contact center platforms (Amazon Connect, Genesys, Cisco UCCE)
DevOps & Cloud- Experience with:
- CI/CD tools (GitHub, Jenkins)
- Infrastructure as code
- Containerization (Docker/Kubernetes)
- Understanding of cloud platforms:
Troubleshooting & Observability- Expertise using:
- Wireshark / SIP traces / SIP ladder diagrams
- Strong debugging skills in:
- High-volume, real-time SIP environments
- Experience with:
- Logging, monitoring, and observability tools
4. Preferred Qualifications- Experience in:
- Large-scale SIP platforms (multi-cluster OCCAS deployments ~100+ engines)
- Knowledge of:
- Telecom standards (3GPP, IMS)
- Experience with:
- AI/ML voice integrations (agent assist, analytics)
- Familiarity with:
- PCI / compliance-driven call recording environments
Everforth Apex is a world-class IT services company that serves thousands of clients across the globe. When you join Everforth Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRateds Best of Staffing in Talent Satisfaction in the United States and Great Place to Work in the United Kingdom and Mexico.
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