Senior Technical Specialist
Core
Ensure performance, availability, and reliability of critical Voice and Data Core network services (4G/5G) via 24/7 operational support, incident management, and technical leadership.
Role type
Senior Technical Specialist (Network Operations)
Builds
Production network services for mobile carriers
Domain
Telecommunications / Mobile Network Operations
Deliverable
production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work
Required skills
Mobile Packet and Policy Control (4G/5G), CCS7, Diameter, HTTP/2, SIGTRAN signalling standards, Ericsson Node troubleshooting (EPG, MME, WMG, PCC, PCG, CCSM, CSCF, HSS, HLR, DRA), Vendor management, Root cause analysis, Change Advisory Board (CAB) processes, Mentoring
Preferred skills
None stated
Technologies
Packet Core, IMS, Subscriber Data Management, 5G Core, EPC, 5G Standalone Core, SIP, Diameter, HTTP/2, REST APIs, SS7, SIGTRAN, Ericsson Nodes
Responsibilities
Diagnose and resolve complex faults in Packet Core, IMS, and 5G Core services; Lead technical escalations during major incidents; Perform root cause investigations and drive corrective actions; Support software upgrades and capacity expansions; Monitor service performance and operational metrics; Represent Operations in Change Advisory Board (CAB) processes; Mentor and coach team members
Seniority
Senior, hands-on IC with leadership responsibilities
