← All jobs
Skeleton Technologies

Senior Test Engineer, Lappeenranta

Lappeenranta
Level
Senior

Not stated in the posting: salary, work type, visa.

Open. First seen 7 October 2026.

Apply on the company's site →

About the role

Skeleton Technologies is looking for a Senior Test Engineer to join our team in Lappeenranta.

About Skeleton

Skeleton Technologies's standard text

Skeleton Technologies is a global leader in critical power infrastructure for AI data centers and electrical grid stability, founded in 2009. Power today is more than electricity.

It is national security, digital continuity, and economic resilience. Skeleton is the Backbone of Power: equipping AI data centers, electrical grids, defense systems, and critical infrastructure with the resilience to withstand surges, instability, and failure. Our power systems protect GPU clusters from millisecond-level spikes, enable hyperscalers to run at higher rack densities without grid compromise, and make AI data centers up to more 40% energy efficient.

We keep the lights on when grids fluctuate, stabilising electrical infrastructure under the combined pressure of accelerating renewable energy deployment and surging AI demand.

Skeleton Technologies's standard text

When power fails, critical operations stop. We exist to prevent that in microseconds. Powering the infrastructure that powers everything else.

Responsibilities

  • Develop and maintain test automation for validation and verification test programs.
  • Develop and maintain testing systems.
  • Develop and improve test and reporting methods and procedures.
  • Plan and execute product validation and verification test programs.
  • Create detailed test plans and comprehensive reports, and develop automation for report creation.

Requirements

  • Educational background in engineering (electrical or a related field).
  • Programming skills in Python.
  • Knowledge of Robot Framework and/or pytest is an advantage.
  • Experience with bi-directional power supplies, electronic loads and measurement systems, as well as controlling environmental chambers, is seen as an advantage.
  • Familiarity with test planning, execution and reporting.
  • Hands-on experience with measurement systems and test setups.
  • Ability to work independently and manage multiple tasks effectively.
  • Strong communication skills in English and Finnish.
  • Experience with Teamcenter and Polarion is seen as an advantage.
  • Previous experience in a similar role or a strong motivation to learn.

Benefits

  • We offer flexible working hours, with the possibility of mobile working without core working hours and sufficient freedom for your own ideas.
  • A flat hierarchy culture - fostering our great working atmosphere.
  • A motivating opportunity for continuous growth at Skeleton.
  • An additional day off every year for your birthday.

What this role asks for

Particular to this role

Pytest

Rare in Skeleton Technologies's other 17 open postings.

Standard for QA / testing roles

Python · Test Automation

Common in QA / testing postings at any company.

68% of this description is written for the role. The rest is Skeleton Technologies's standard text, folded away below.

Read against Skeleton Technologies's other open postings on this site.

The team: Advanced Engineering HIRES STEADILY

This role is one of 6 open in Advanced Engineering. 3 were posted in the last 30 days and the oldest in April: a team that hires all year rather than one being built.

WHAT THE TEAM WORKS WITH, ACROSS ITS POSTINGS

Test Automation (2 of 6)

OTHER ROLES ON THIS TEAM

From the team and dates on Skeleton Technologies's own job board.

Similar jobs

Is this your posting and you want it taken down? Email info@careerholo.com.