Voice Core Engineer
Job Summary
The Voice Core Engineer will be responsible for the design, integration, and delivery of advanced Voice Core solutions across CS, IMS, and 5G domains. The role involves leading technical design, managing platform deployment, and coordinating integration and acceptance testing. The ideal candidate will support end-to-end project delivery and provide technical leadership within a large-scale network environment.
Responsibilities
- Lead technical design and specification of Voice Core solutions
- Manage integration, deployment, and expansion of network platforms
- Coordinate integration and acceptance testing for software releases
- Provide technical leadership and mentor junior engineers
Required Skills
- Expertise in CS, IMS, and 5G Voice Core architectures
- Knowledge of SIP, Diameter, SS7, MAP protocols
- Experience in full system lifecycle management
- Minimum 5+ years of Voice Core engineering experience
Job Details
Key Responsibilities:
- Lead technical design and specification of Voice Core hardware & software solutions.
- Deliver integration, deployment, and expansion across platforms such as MSS/MGW, STP, DRA, HSS/HLR, SBC, CSCF, TAS, UDR, AUSF, UDM, IBCF.
- Coordinate integration and acceptance testing for new software releases.
- Contribute to low-level design documentation and implementation guidelines.
- Support end-to-end project delivery (planning, risk management, reporting).
- Prepare Work Orders for Change Management and Operations.
- Provide technical leadership and mentor junior engineers.
- Collaborate with cross-functional teams to enhance network performance and customer experience.
Skills & Experience:
- Strong expertise in CS, IMS, and 5G Voice Core architectures.
- Deep knowledge of protocols: SIP, Diameter, SS7, MAP (+ HTTP2, REST, JSON, SOAP, TLS, SQL).
- Proven experience delivering complex, multi-vendor telecom projects.
- Solid understanding of the full system lifecycle (design → deployment → optimisation).
- Minimum 5+ years’ experience in Voice Core engineering or delivery.
- Strong communication skills in international environments.
Qualifications:
- Degree in Telecommunications, Computer Science, Electronics, or equivalent.
- Broad knowledge of telecom and cloud ecosystems (IP networking, interoperability).
- Experience integrating network elements with IT and operational platforms.