Staff Test Engineer - (NR-NTN)
About Skylo TechnologiesSkylo is a global Non-Terrestrial Network service provider based in Mountain View, CA, offering a service that allows smartphone and IoT cellular devices to connect directly over existing satellites. Skylo’s direct-to-device service is now live on millions of activated devices across five continents, with more than 60 million square kilometers of coverage, in partnership with multiple satellite operators, mobile network operators (MNOs), Tier-1 chipset makers, and OEMs. Devices connected over satellite are managed and served by Skylo's commercial NTN vRAN, featuring a 3GPP standards-based cloud-native base station and core. Skylo provides an anywhere, anytime connectivity solution that seamlessly roams between terrestrial and satellite networks. Our focus is on enabling connected services for people outdoors and connected workflows across three main verticals: mass-market consumer devices, automotive, and industrial IoT.
This role is located in Espoo, Finland where we are onsite 3 days a week in office.
Summary Of How You Will Impact Skylo
As a Staff Test Engineer focusing on RAN, you will play a key role in the detailed testing for NR-NTN products at Skylo. You will be responsible for setting up test-benches, developing and executing test cases for NR-NTN RAN nodes in satellite radio access networks.
How You Will Contribute
- Analyze the use cases/requirements for NR-NTN related requests from customer and deployment engineers and convert them into test-plans.
- Understand 3GPP standards, and system engineering documents to come up with thorough and in-depth test plans for testing NR-NTN base stations .
- Implement end-to-end test automation to test NTN specific test cases to our internal algorithms and 3GPP standards test cases.
- Understand existing test setup and augment it with new test tools to develop test scripts using those test tools.
- Reproduce and test field scenarios based on feedback from Customer deployments.
- Log analysis, Performance, Capacity and Soak testing.
- Raising bugs and getting the issues fixed in coordination with the development team.
What We Look For
To be successful in this role, you should have a solid background in 4G-NB-IoT and 5G-NTN RAN network testing.
- 10+ years of experience in 4G/5G radio access wireless networking products testing. NR-NTN or Nb-NTN network side testing experience is preferred.
- Bachelor's degree in Computer Science, Electrical Engineering, or a related field; Master's degree preferred.
- Experience in UE Simulators like Keysight or Amarisoft UE Simulators is preferred.
- Experience in creating Robot Framework test cases is preferred or similar test automation frameworks is preferred. Familiarity with scripting languages such as Python is preferred.
- Working experience in 4G/5G base-station verification cycle by validating 3GPP protocols, call flow, end to end traffic throughput requirements.
- Should have deep working knowledge Wireless Radio Access & Core Standards testing, IETF Standards, VoLTE/NR, , EPC core, RRH, Handover/Mobility testing. Should have worked on testing of RAN nodes in 4G/5G wireless networks.
- Should be familiar with air interface, S1AP, Mobility and 4G-NB-IoT & 5G-NTN stack.
- Should have good Debugging and Troubleshooting and log analysis skills.
What We Offer
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:
- Competitive compensation packages including a stock option based equity program
- Comprehensive benefits plan
- Monthly allowances for wellness and education reimbursement
- Dental plans as well as Health and Life Insurance
- Commuting allowance
- Phone and Internet allowance
- Daily lunch allowance
- A fantastic L&D budget for further personal and professional development.
- A generous time off policy, holidays, and the opportunity to temporarily work abroad
- Once in a lifetime opportunity to be a part of developing and running world’s first commercial, live direct-to-device satellite network and service
- Access to world-class team and talent across tech domains: software, hardware, chipsets, telecom, satellite and network virtualization
- Open, transparent, inclusive culture that blends the Silicon Valley, Nordic and South Asia characteristics