About this role

Technical lead for HSS, HLR and UDM platforms within the Transatel environment
Implement, evolve and optimize HLR, HSS and UDM network nodes
Provide technical support to operations teams on HSS, HLR and UDM-related topics
Participate in the architecture, engineering and deployment of HSS, HLR and UDM in Transatel’s network
Act as the central point of contact for business requests and serve as the interface between product management and the telecom team
Write and maintain technical documentation (HLD, LLD, ATP, etc.)
Manage vendor follow-up (roadmap, release analysis and validation, ticket management)

Master's degree (Bac+5), engineering school or technical university background
Minimum 3 years of experience in a similar role
Design of core network architecture and evaluation of Mobile Core Network products (2G/3G/4G/5G)
Deep technical expertise on network nodes (HLR, HSS, UDM, DRA, IWF, PGW)
Knowledge of protocols (MAP, DIAMETER, HTTP/2) and virtualized/cloud environments
Experience in installation, integration, validation and advanced troubleshooting on HLR/HSS/UDM
Ability to work in project mode, technical autonomy and initiative
Good interpersonal skills to interact with internal teams and external partners

Mobile Core Network Engineer, HSS

Key skills