Operational Engineer – Wireless Core (HSS / SDM)
Inabia Software & Consulting Inc. · Ridgeland, Mississippi, US
Required Skills & Experience - 4–8+ years of experience in telecom/wireless core operations.
Job description
Required Skills & Experience: - 4–8+ years of experience in telecom/wireless core operations. Strong hands-on experience with: - HSS (Home Subscriber Server) in LTE networks - SDM / UDM (Unified Data Management) in 4G/5G environments Deep understanding of signaling protocols: - Diameter protocol (Cx, Sh, S6a, S6d, etc.) - SS7/MAP (legacy interworking – preferred) - Experience with subscriber provisioning, authentication, and mobility management. - Knowledge of telecom architecture: EPC (MME, SGW, PGW) and 5G Core (AMF, UDM). - Familiarity with database systems (Oracle, MySQL, Cassandra, or similar). - Experience with Linux/Unix environments. - Strong troubleshooting using logs, traces, and protocol analyzers. Preferred Qualifications: Experience with vendor platforms such as: - Nokia HSS / SDM - Exposure to virtualization and cloud-native deployments (NFV, containers, Kubernetes). - Experience with private cloud or public cloud environments like Amazon Web Services. - Understanding of 5G SBA (Service-Based Architecture). - ITIL certification or strong incident/problem management background