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Senior Staff Software Engineer, NR-NTN

External
Skylo Technologies logoSkylo Technologies · Espoo, Finland
Full-timeRemote2w ago
IoTLeadership
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Responsibilities

  • Architectural Leadership: Lead the end-to-end design, development, and maintenance of 5G NR L2/L3 protocol stacks and MAC-Schedulers specifically optimized for NTN (LEO/GEO) environments.
  • Requirement Analysis: Translate 3GPP Release 17/18+ NTN specifications into actionable software requirements and technical roadmaps.
  • Design & Development: Author High-Level Designs (HLD) and Low-Level Designs (LLD) for gNodeB components, focusing on compensation for large propagation delays and high Doppler shifts.
  • Feature Prioritization: Analyze and prioritize 3GPP features (e.g., HARQ disabling, timing advance enhancements, and cell discontinuous coverage) for integration into the RAN subsystem.
  • Mentorship & Quality: Provide technical guidance to development teams, perform code reviews, and ensure the architectural integrity of the product during maintenance and delivery phases.
  • Sound like you? You bring:
  • Experience: In LTE/5G NR protocol software development, with at least 3 years in an Architect or Lead Developer role.
  • Satellite Domain: Proven track record of adapting terrestrial RAN software for satellite payloads or transparent/regenerative architectures.
  • Testing: Experience with UE simulators and channel emulators configured for high-latency satellite profiles.
  • Education: Bachelor's or Master's degree in Computer Science, Telecommunications, or Electronic Engineering.
  • Every role at Skylo uses AI tools daily to amplify output. We expect active habits using AI tools and a track record of folding new ones into your workflow quickly

Benefits

With employees working across three continents, Skylo is proud to be an equal opportunity employer dedicated to building an inclusive and diverse workforce. Our worldwide and inclusive culture encourages a flexible approach to work, and we also offer an attractive range benefits such as:Fair & transparent compensation, we'll share salary details with you in your first interviewOccupational Healthcare, Health and Life InsuranceE-passi including, wellness, culture, lunch and commuting benefitPhone & Internet allowanceIndividual learning & development budget for further personal and professional developmentReady to join us?Apply now and a member of our recruiting team will be in touch. We review applications on an ongoing basis, so we encourage you to apply early. Our process includes an initial call with a recruiter, a take-home assignment, and two interviews with different team members.Health insuranceVision insuranceRemote work optionsFlexible schedule

Additional Information

The world still has coverage blind spots. You could help eliminate them at Skylo. Skylo has pioneered a standards-based approach to satellite connectivity. We connect smartphones and IoT devices directly to satellites. No special hardware, no entirely new networks. Just billions of existing devices, suddenly reachable anywhere on Earth. We're not building toward this future. We're already in it. Our direct-to-device service is live on millions of activated devices across five continents, covering more than 72 million square kilometers, in partnership with leading satellite operators, mobile network operators, Tier-1 chipset makers, and OEMs worldwide. And we're just getting started. At the heart of it all is Skylo's commercial NTN vRAN: a 3GPP standards-based, cloud-native platform that seamlessly bridges terrestrial and satellite networks. It's the infrastructure that makes true anywhere, anytime connectivity possible. When you join Skylo, you'll work at the intersection of three markets reshaping how the world stays connected: mass-market consumer devices, automotive, and industrial IoT. Enabling people outdoors and critical workflows in the world's most remote places. This is a rare chance to work on technology that matters, at a company that's already proving it works This role is based in Espoo, Finland, one of the three Skylo's core engineering hubs and fastest-growing sites. You'll work onsite three days a week as part of a team that's scaling quickly. How You Will Impact Skylo As a staff software engineer , you will be the technical visionary driving the development of Non-Terrestrial Network (NTN) capabilities within our gNodeB software stack. This role sits at the intersection of traditional cellular protocol engineering and the evolving domain of satellite communications. You will oversee the entire software lifecycle-from 3GPP feature analysis to high-level architectural design-ensuring our RAN systems meet the unique timing and mobility challenges of satellite-integrated 5G.

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