Senior Test Engineer – Manager

Skeleton Technologies; Lappeenranta; On-site; EUR 50,000 - 70,000; Full time

Benefits offered by this job

Flexible working hours

Motivating growth opportunities

Extra day off for your birthday

Job summary

Skeleton Technologies is hiring a Senior Test Engineer / Manager in Lappeenranta to oversee testing strategy across multiple domains including EOL and EMC. The ideal candidate will possess a strong engineering background and experience in product validation.

This position offers a flat hierarchy culture, flexible working hours, and growth opportunities. You will contribute to quality assurance, support certification processes, and mentor Test Engineers. Join us to help redefine energy storage solutions for a net-zero future.

Qualifications

• Strong experience in product testing and validation.
• Experience in EMC, vibration, EOL, or destructive testing.
• Ability to analyse complex technical data.

Responsibilities

• Develop and execute comprehensive testing strategies.
• Plan and oversee testing activities across multiple domains.
• Act as a technical lead and mentor for Test Engineers.

Skills

Product testing

Failure analysis

Good communication in English and Finnish

Problem-solving mindset

Data analysis

Education

Educational background in engineering (electrical, mechanical, automation)

Job description

Skeleton is looking for a driven and experienced Senior Test Engineer / Manager to join our Advanced Engineering team.

Would you like to play a key role in ensuring the quality, safety, and reliability of our products? We are now looking for a Senior Test Engineer / Manager to take ownership of testing strategy, execution, and continuous development across multiple testing domains, including EOL, EMC, vibration, and destructive testing.

Responsibilities

• Develop and execute comprehensive testing strategies for products and systems
• Drive implementation of qualification programs (DV, PV) for customer and R&D projects
• Plan, execute, and oversee testing activities across EOL, EMC, vibration, and destructive testing
• Ensure test coverage, reliability, and alignment with product requirements
• Contribute to test method development and validation
• Analyse test data and provide root cause analysis for failures
• Design and implement testing frameworks, tools, and methodologies
• Develop and improve testing processes, documentation, and reporting practices
• Ensure safe operations in the testing laboratory in line with safety standards
• Support certification processes and compliance with industry standards
• Act as a technical lead and mentor for Test Engineers and Technicians
• Coordinate testing activities across different testing areas and teams
• Support resource planning and prioritization of testing work
• Work closely with R&D, product development, quality, and production teams
• Provide feedback from testing to support product improvements

Requirements

• Educational background in engineering (e.g., electrical, mechanical, or automation)
• Strong experience in product testing, validation, and failure analysis
• Experience in one or more testing domains (e.g., EMC, vibration, EOL, destructive testing)
• Several years of relevant experience in testing or product validation roles
• Understanding of testing standards and certification processes
• Ability to analyse complex technical data and drive conclusions
• Strong ownership and problem‑solving mindset
• Good communication skills in English and Finnish

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

We're not just about energy storage. We're about redefining energy for a net‑zero future, and we'd love for you to be a part of our journey.

About Skeleton

Skeleton Technologies is a Global Cleantech 100 company and a technology leader in high‑power energy storage for transportation, grid, automotive, and industrial applications.

For us, developing and producing the best energy storage solutions is a means to an end: helping companies to reduce CO2 emissions and save energy.

We work with some of the largest companies in the world, from automotive and industrial OEMs to truck fleet operators and aerospace prime contractors. Our products decrease CO2 emissions and fuel consumption, improve power quality, and empower wider electrification of the biggest industries globally.

Our supercapacitor and SuperBattery energy storage technologies, based on patented curved graphene, represent the biggest technological advancement in the industry in the last 20 years, and the use of this innovative material provides our products with an unparalleled advantage in power and energy density.

Skeleton Technologies is located in multiple locations: its headquarters in Tallinn (Estonia), manufacturing facilities in Markranstädt (Germany) and Varkaus (Finland), materials development in Bitterfeld‑Wolfen, and several additional locations in Finland (Helsinki and Lappeenranta), as well as its first people in Toulouse (France).