At Airalo, we're making it easier for people to stay connected wherever they travel. As the world's first eSIM store, we help millions of travelers access affordable mobile data in 200+ countries and regions around the world.
We're fully remote by design, genuinely global, and united by a shared mission to make travel simpler for everyone.
Location: Remote.
Contract: Full-time, permanent.
English is our main working language day to day, so you'll need to be comfortable communicating in it both in meetings and async.
Designing the IP infrastructure of our multi-site data centers
Designing the GRX/IPX interconnectivity and general 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
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
Deployments and rollouts
Performance improvements
Perform trainings
3+ years experience with network elements such as: Packet Gateway GGSN/PGW/DPI, direct and sponsored roaming (HLR/HSS), diameter routing and GTP, GRX
~Sigtran: MAP (Mobile Application Protocol), Sigtran: CAP (Camel 1-3), Diameter (Ro, Gx, Gy, Gn, Gi), REST API, BGP
~ IREG Testing experience is preferred
This role is remote and open to candidates across our supported locations in Europe. The range below reflects the full salary range for this role across the countries where it's available:
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📌 Network Engineer (España)
🏢 Airalo
📍 España