Core Network Engineer

Your main responsibilities will be:

• Designing the IP infrastructure of our multi-site data centers
• Designing the GRX/IPX interconnectivity and global PoP structure to access mobile partner networks
• Defining the WAN network strategy
• Leading and realization of the data centre LAN and WAN networks, specifically the configuration of DRAs, GTPs, GGSN/PGW, SBC, FW, Routers
• Integrating direct roaming agreements and sponsored roaming agreements
• Tracing of signalling and user plane transport for debug issues
• Acting as a primary interface between the Core Network team and Airalo’s Platform team, Airalo’s Network Operations team and technology partners (vendors, roaming partners)
• Core network optimisation and enhancement
• Supports the operations team in regards to:
• Deployments and rollouts
• Performance improvements
• Perform trainings
• Supporting the partner’s operations team

What You'll Bring

• 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 these protocols; Sigtran: MAP (Mobile Application Protocol), Sigtran: CAP (Camel 1-3), Diameter (Ro, Gx, Gy, Gn, Gi), REST API, BGP
• Excellent verbal and written communication skills

Bonus Points

• IREG Testing experience is preferred
• International working experience is ideal