Telecom Core Network Consultants

Job Title: Telecom Core Network Consultants (SDL / One-NDS / UDM / CSD / AAA / HLR/HSS / PCRF)

Location: Remote (Latin America)
Employment Type: Contract (C2C / Remote)

Job Overview:

We are seeking experienced Telecom Core Network Consultants with expertise in key network elements such as SDL, One-NDS, UDM, CSD, AAA, HLR/HSS, and PCRF. The ideal candidates will have strong experience in deployment, configuration, and design of mobile core network solutions across 2G, 3G, and 4G environments.

Key Responsibilities:

• Design, deploy, and configure telecom core network elements
• Develop High-Level Design (HLD) and Low-Level Design (LLD) documents
• Perform installation, integration, and testing of network components
• Analyze and troubleshoot core network issues and optimize performance
• Work on mobile core technologies including 2G, 3G, and 4G call flows
• Collaborate with cross-functional teams for end-to-end solution delivery
• Support migration, upgrades, and transformation projects
• Ensure documentation of configurations, processes, and best practices

Required Skills & Experience:

• Strong expertise in one or more: SDL, One-NDS, UDM, CSD, AAA, HLR/HSS, PCRF/NPC
• Hands-on experience in deployment and installation of telecom core systems
• Experience in network solution design (HLD, LLD, configuration design)
• Solid understanding of Mobile Core Network technologies (2G/3G/4G)
• Strong knowledge of signaling protocols and call flows
•