HSS / SDM Engineer

Posted 4 Days Ago
Be an Early Applicant
Ridgeland, MS, USA
In-Office
Mid level
Artificial Intelligence • Cloud • Information Technology • Internet of Things • Software
The Role
The Operational Engineer will manage wireless core operations, focusing on HSS/SDM in LTE/5G networks, handling subscriber provisioning and authentication, and troubleshooting using various protocols and system architectures.
Summary Generated by Built In

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

Top Skills

AWS
Cassandra
Diameter Protocol
Hss
Kubernetes
Linux
MySQL
Nfv
Oracle
Sdm
Ss7
Udm
Unix
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The Company
HQ: Bellevue, WA
52 Employees
Year Founded: 2006

What We Do

WHO Founded in 2006 and headquartered in Redmond, WA. Our Senior Leadership team has more than 137 years of combined experience in the Telecommunications and Software Industry. Inabia is built on family values and close-knit culture. This commitment extends to the relationships we build with both our employees and our business partnerships. As a Minority Certified business, we strive to positively impact society through technology, people, and innovation. WHAT For over a decade, we have been providing powerful IT and business solutions to individuals and businesses alike. Here at Inabia, we believe that our success reflects our clients’ success. HOW We are fortunate to be situated in a city where technology and innovation is not only appreciated; but part of day to day lives. We are a growing company that has adapted and evolved our approach, helping us to exceed the ever-changing needs and requirements of our clients. WHY We are a company that fosters and values relationships, as a result many of our clients have been with us from the start of our journey. We ensure that our partners have access to best-in-class professional support, management consulting and staffing services. We make sure our consultants are carefully screened and selected based on their experience. This process ensures that we meet or exceed the specific needs of our clients.

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