HSS and Signalling Engineer - São Paulo/Rio de Janeiro Based

Overview

1GLOBAL is a technology-driven global mobile communications provider, delivering global connectivity solutions to enterprises and consumers. The company operates a fully regulated telecommunications platform across 40 countries worldwide, including its own global mobile core network, in-house eSIM technology, and a broad portfolio of telecom licenses.

We serve many of the world’s leading banks, enterprises, and digital-first businesses, including neo-banks, global fast-moving consumer goods companies, travel leaders, and payment service providers. Today, 1GLOBAL connects more than 70 million people and devices globally , enabling customers to launch, scale, and innovate with confidence in the mobile ecosystem.

1GLOBAL is a profitable, fast-growing business. With full-year revenues in 2025 exceeding US$200 million and profits of over US$25 million , we generate strong cash flows to fund growth and continue investing in infrastr...