Our goal is to strengthen the brand in Spain. We are looking for an expert to work as Oracle SBC Engineer! Provide telecoms technology consulting, delivery and support for external customers and internal project teams, with primary focus on Oracle Session Border Controller based Unified Communications and carrier voice solutions.

The role covers implementation, configuration, troubleshooting, lifecycle support and technical documentation for SBC platforms supporting SIP, RTP, voice interconnect, access and peering use cases. The position requires strong SBC, SIP and UC experience, including secure border control, routing, media handling, interworking, service acceptance and customer-facing technical support. Implement and support SBC based solutions in line with agreed design and customer requirements.

- Apply SBC knowledge across SIP signalling, RTP media, realms, SIP interfaces, steering pools, session agents, local policies and interconnect borders.
- Validate interface agreements, SIP interconnects, interoperability testing and service acceptance.
- Document implementation, configuration, test evidence, troubleshooting notes, procedures and handover material. 8+ years of professional experience and a Bachelor of Science or equivalent degree in computer science or related area.
- Strong knowledge of Unified Communications, carrier voice, Oracle SBC, SIP, SDP, RTP, SBC security, SIP routing, media handling and high availability. Deep Oracle SBC or comparable SBC experience, including design, configuration, testing, support and troubleshooting.
- Strong understanding of SIP call flows, routing failures, media path issues, interoperability defects, access control, overload protection and high availability.
- Able to clarify requirements, estimate work, advise on delivery risk,



lead technical discussions and produce concise customer documentation. Deploy, manage and troubleshoot Oracle SBC based UC and carrier voice solutions.
- Configure realms, SIP and network interfaces, steering pools, session agents, local policies, codec/media handling and SIP header rules.
- Support topology hiding, access control, overload protection, high availability, backup, restore, upgrades, monitoring and disaster recovery.
- Provide 24x7 on-call support for critical issues, including incident analysis, service restoration, root cause analysis and vendor escalation.
- Prepare change material, test cases, rollback plans, acceptance evidence, operational procedures and handover packs.

Domain: Telecom, Unified Communications and carrier voice networks, with strong SBC access and interconnect knowledge.

- Protocols: SIP, SDP and RTP, including call flows, routing, codec negotiation, media anchoring and trace analysis.
- Oracle SBC realms, SIP interfaces, session agents, policies, steering pools, header manipulation, security, high availability and troubleshooting.
- Shell scripting, Linux, Oracle SBC primary, BroadWorks secondary, with awareness of Cisco Call Manager or adjacent UC/PBX environments. IP Centrex and hosted voice service architecture, BroadWorks/IP Centrex application server integration, UC feature interaction and SIP service behaviour.
- We are HCLTech,



one of the fastest-growing large tech companies in the world and home to 225,000+ people across 60 countries, supercharging progress through industry-leading capabilities centered around Digital, Engineering and Cloud. The driving force behind that work, our people, are diverse, creative, and passionate, raising the bar for excellence on a regular basis. We, in turn, work hard to bring out the best in them as we strive to help them find their spark and become the best version of themselves that they can be. Join us on our journey in advancing the technological world through innovation and creativity.

We offer End-to-end digital transformation expertise that helps clients from strategy through execution. We work with the biggest brands, offering the opportunity to be a part of industry-leading work. We are invested in your growth, offering learning and career development opportunities at every level to help you find your spark.

We offer a virtual-first work environment, promoting a good work-life balance and real flexibility Our company is extremely diverse with representation of 165 nationalities. To achieve all our objectives, it intends to attract, develop, and retain different profiles, assuming diversity as a key factor and differentiator of fundamental innovation in our organization. xhfqzwm All qualified applicants will receive consideration for employment without regard to age, ancestry, color, family or medical care leave, gender identity or expression, genetic information, marital status, medical condition, national origin, physical or mental disability, political affiliation, protected veteran status, race, religion, sex (including pregnancy), sexual orientation, or any other characteristic protected by applicable laws, regulations, and ordinances.

📌 Oracle Sbc Delivery & Support Consultant (Madrid)
🏢 HCLTech
📍 Madrid