Core Network Engineer

Summary

Join Airalo, the world’s first eSIM store, as a core network engineer and help revolutionize the telecom industry. This remote-first position offers a competitive benefits package including health insurance, a work-from-anywhere stipend, and annual wellness and learning credits. You will design and implement the IP infrastructure for multi-site data centers, define WAN network strategy, and integrate roaming agreements. The role requires strong communication skills and 3-5 years of relevant telecom experience with specific network elements and protocols. Preferred qualifications include IREG testing experience and international work experience. Airalo values diversity, equity, and inclusion.

Requirements

• 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

Responsibilities

• 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

Preferred Qualifications

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

Benefits

• Health Insurance
• Work-from-anywhere stipend
• Annual wellness & learning credits
• Annual all-expenses-paid company retreat in a gorgeous destination & other benefits