Core Network Engineer

• Design the IP infrastructure of multi-site data centers
• Design GRX/IPX interconnectivity and global PoP structure for access to mobile partner networks
• Define the WAN network strategy
• Lead realization of data center LAN and WAN networks, including configuration of DRAs, GTPs, GGSN/PGW, SBC, firewalls, and routers
• Integrate direct roaming agreements and sponsored roaming agreements
• Trace signalling and user-plane transport to debug issues
• Act as primary interface between the Core Network team, Platform team, Network Operations team, and technology partners
• Optimize and enhance the core network
• Support operations with deployments, rollouts, performance improvements, training, and partner operations support

• Technical Degree in Engineering or Telecommunications preferred or equivalent experience demonstrated
• 3–5 years minimum relevant experience in the telecom core field
• 3+ years experience with network elements such as Packet Gateway GGSN/PGW/DPI, direct and sponsored roaming (HLR/HSS), diameter routing and GTP, GRX
• 3+ years experience with Sigtran MAP, Sigtran CAP, Diameter (Ro, Gx, Gy, Gn, Gi), REST API, and BGP
• Excellent verbal and written communication skills
• Comfortable communicating in English in meetings and asynchronously
• IREG Testing experience preferred
• International working experience ideal

• Fully remote work
• Full-time, permanent employment
• Background checks only with prior consent and as permitted by applicable law
• Equal-opportunity employer
• Reasonable accommodations throughout the interview process for individuals with disabilities
• Local-market salary rates based on location and cost of living