Віддалена робота
Провідний VoIP Інженер / Advanced VoIP Engineer
Віддалена робота
В офісі/на місці
Повна зайнятість
We are looking for a mature candidate for the position of Advanced VoIP Engineer to join a project with a Ukrainian telecom operator.
Requirements:
- Administration and operation: Oracle SBC (vSBC) (A-SBC / I-SBC).
- Administration and operation: Oracle Linux (cockpit / iptables / KVM / updates).
- VoIP protocols: H.323, SIP/SIP-I/SIP-T, MGCP, SIGTRAN, GSM/UMTS.
- Knowledge of Oracle OCOM / SDM.
- Monitoring protocols: SNMP, HDR.
- Number matching and translation rules (HMR)
- Support for telephony networks — L1/L2 support.
- Studying emerging problems in the laboratory. PoC creation.
- Python Scripting (task and process automation).
- Knowledge of PBX systems like Asterisk.
- Knowledge of Radius and Diameter protocols.
- Writing project documentation — HLD/LLD/NMP/ATP.
- Knowledge/understanding of IMS/NGN architecture.
- Familiarity with REST APIs for custom configuration and KPI monitoring.
- Security and protection: IPSEC / TLS / SRTP / DDOS.
- Media and signaling validation to prevent service theft and fraud.
- CCNP/CCSP level will be a plus.
- English (reading, writing)
Responsibilities:
- Participation in implementation and migration projects.
- Audit of existing solutions.
- Preparation of HLD/LLD/NMP/ATP documentation.
- Participation in technical meetings with the Customer.
- Maintenance, and support during and after implementation.
- Responding to Customers’ support requests and resolving them in coordination with vendors.
- Creation of PoCs to test technical solutions and concepts.
- Participation in pre-sale activities in the VoIP domain.
- Passing the necessary exams to maintain partner status.
- Reporting on work done and current tasks.
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