SIMEngineer

About Telnyx Telnyx is an industry leader that's not just imagining the future of global connectivity—we're building it. From architecting and amplifying the reach of a private, global, multi-cloud IP network, to bringing hyperlocal edge technology right to your fingertips through intuitive APIs, we're shaping a new era of seamless interconnection between people, devices, and applications. We're driven by a desire to transform and modernize what's antiquated, automate the manual, and solve real-world problems through innovative connectivity solutions. As a testament to our success, we're proud to stand as a financially stable and profitable company. Our robust profitability allows us not only to invest in pioneering technologies but also to foster an environment of continuous learning and growth for our team. Our collective vision is a world where borderless connectivity fuels limitless innovation. By joining us, you can be part of laying the foundations for this interconnected future. We're currently seeking passionate individuals who are excited about the opportunity to contribute to an industry-shaping company while growing their own skills and careers. About you We're looking for a Junior SIM Engineer with a technical background and a drive to specialize in SIM and eUICC engineering. You're organized, detail-oriented, and genuinely curious about how SIMs work — from profile structures and file systems to eSIM provisioning and OTA updates. You're comfortable with scripting and automation, and you see AI as a productivity multiplier — whether that's automating repetitive tasks, generating documentation, or building internal tooling. The opportunity You'll join the Mobile Core Services squad, responsible for subscriber identity & authentication, core network services, and subscriber data & policy across the Telnyx wireless network. You'll work on the technical foundations of our SIM and eSIM product — learning from a senior SIM engineer while contributing to day-to