Operational Engineer – Wireless Core (HSS / SDM)

Ridgeland, MS

Contracted

Mid Level

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

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