Staff Test Engineer

Staff Test Engineer – (Finland)

Are you a seasoned wireless test engineer passionate about next-generation mobile networks and real-world deployments? We’re looking for a Staff Test Engineer – RAN / NR-NTN to join a team building and validating cutting-edge terrestrial + satellite radio access technology used in commercial non-terrestrial cellular services.

In this role, you will be central to the test strategy and execution for 5G NR + NTN RAN products, owning test bench setup, detailed test plan creation, automation, and cause-driven verification.

What you’ll do

• Translate use cases and requirements into comprehensive test plans for NR-NTN RAN nodes.
• Develop and execute both automated and manual RAN test cases covering performance, capacity, soak, and standards conformance.
• Build and maintain test benches and extend tooling for new NTN-specific scenarios.
• Analyze protocol logs and field data to validate behaviour and identify defects.
• Collaborate closely with development, deployment, and integration teams to close the loop on issues and improvements.

What we’re looking for

• 10+ years of experience in wireless network product testing (4G/5G RAN emphasis).
• Strong understanding of 3GPP standards, RAN protocols, and test methodologies.
• Experience with UE simulators (Keysight, Amarisoft or similar) and automation frameworks (e.g., Robot Framework).
• Familiarity with scripting (Python preferred) and deep log analysis / debugging skills.
• Hands-on experience in RAN verification cycles, including mobility, air-interface, and traffic throughput.

Why this is exciting

You’ll contribute to testing at the intersection of wireless and satellite networks — a domain that is driving new standards and global connectivity. You’ll work in a hybrid setup in Espoo, collaborating with multidisciplinary teams to ensure high-quality network performance aligned with real customer and deployment needs.

Location: Hybrid – Helsinki, Finland (3 days in office)

Apply if you’re ready to elevate network test engineering for the next wave of cellular connectivity.