Core Network Engineer

This is a fully remote position, open to applicants in Spain.

📋 Description

• Develop the IP infrastructure for multi-location data centers

• Create GRX/IPX interconnectivity and a global PoP framework for connecting to mobile partner networks

• Establish the WAN network strategy

• Oversee the implementation of data center LAN and WAN networks, including the setup of DRAs, GTPs, GGSN/PGW, SBC, firewalls, and routers

• Integrate direct roaming agreements and sponsored roaming agreements

• Monitor signaling and user-plane transport to troubleshoot issues

• Serve as the main liaison between the Core Network team, Platform team, Network Operations team, and technology partners

• Enhance and optimize the core network

• Assist operations with deployments, rollouts, performance enhancements, training, and partner operations support

⛳️ Requirements

• Preferred technical degree in Engineering or Telecommunications, or equivalent demonstrated experience

• Minimum of 3–5 years of relevant experience in the telecom core sector

• Over 3 years of experience with network components such as Packet Gateway GGSN/PGW/DPI, direct and sponsored roaming (HLR/HSS), diameter routing and GTP, GRX

• More than 3 years of experience with Sigtran MAP, Sigtran CAP, Diameter (Ro, Gx, Gy, Gn, Gi), REST API, and BGP

• Strong verbal and written communication abilities

• Comfortable engaging in English during meetings and in asynchronous communications

• Experience with IREG Testing is preferred

• Ideal candidates will have international work experience

🏝️ Benefits

• Fully remote work opportunity

• Permanent, full-time employment

• Background checks conducted only with prior consent and in accordance with applicable law

• Equal-opportunity employer

• Reasonable accommodations provided throughout the interview process for individuals with disabilities

• Salary rates based on local market conditions and cost of living