Senior Electrical Engineer (m/f/x)

Become a Senior Electrical Engineer at Skeleton Technologies in Lappeenranta, Finland. Design PCB-based electrical systems, collaborate with cross-functional teams, and ensure compliance with industry standards. Enjoy flexible working hours, a flat hierarchy, and an extra day off for your birthday. Join Skeleton Technologies as a Senior Electrical Engineer in Lappeenranta, Finland, focusing on the design and development of PCB-based electrical systems for grid products. You will create circuit schematics, design multilayer PCB layouts, and prepare manufacturing documentation while collaborating with cross-functional teams. Enjoy flexible working hours, a flat hierarchy culture, and an additional day off every year for your birthday as you contribute to redefining energy for a net-zero future.

Skeleton Technologies Lappeenranta, Finland Flexible Full Time UTC+02:00

Skeleton Technologies

Company Overview

Name

Skeleton Technologies Group OÜ

Headquarters

Tallinn, Estonia

Founded

2009

Size

Approximately 300 employees across Estonia, Germany, and Finland (source: inforegister.ee). Revenue projected at €6.84 million for FY 2024 (source: inforegister.ee).

What They Do

Skeleton Technologies specializes in high-power energy storage solutions, leveraging its proprietary curved graphene nanomaterial to produce supercapacitors and hybrid SuperBatteries. Their innovative products are designed for a variety of applications, including AI data centers, transportation sectors such as automotive and maritime, grid stabilization, and industrial uses. As Europe's largest ultracapacitor manufacturer, Skeleton Technologies maintains full control over its value chain, from raw materials to software and patents, ensuring superior performance and reliability in their offerings (source: wikipedia.org). Their product lineup includes the SkelCap SCA series cells, which are UL 810A certified for safety in automotive and UPS applications, and the SkelStart engine start modules, which boast an impressive 2,000 cold-cranking amps and a lifespan of over 1 million cycles.

Projects & Track Record

Skeleton Technologies has a strong track record of notable projects, including the opening of the Großröhrsdorf Superfactory in 2017, which significantly scaled their ISO-certified module production capabilities. They launched the SkelStart in 2015, recognized as the world's most powerful engine starter, and have developed space capacitors for the European Space Agency since 2011. In 2024, they are set to power the NTT IndyCar Series with their advanced supercapacitors, showcasing their commitment to innovation in high-performance applications (source: skeletontech.com). Currently, they are working on the €220 million Leipzig Superfactory, which is expected to produce 12 million cells annually and create 420 jobs, with production slated to begin in 2024-2025.

Recent Developments

In the past two years, Skeleton Technologies has made significant strides, including the opening of its €220 million Leipzig Superfactory, which represents Estonia's largest industrial investment in Germany and aims to produce 12 million cells per year (source: balticvc.com). They secured a €108 million funding round in October 2023, led by Siemens and Marubeni, pushing their total funding over €300 million (source: skeletontech.com). Additionally, they acquired the former European Batteries facility in Varkaus, Finland, for SuperBattery production and established R&D operations there, further enhancing their capabilities in energy storage technology.

Working There

Skeleton Technologies offers a diverse range of roles across various departments, including module and software development, sales, finance, administration, manufacturing, and R&D. The company is actively hiring, particularly at its production sites, with the average employee count at the Estonian OÜ being approximately 98 in 2022, focusing on development and sales (source: inforegister.ee). The new Leipzig factory is expected to add 420 manufacturing positions, reflecting the company's rapid growth and expansion in the energy storage sector. The company culture emphasizes innovation, collaboration with universities, and a mission to electrify various sectors, supported by experienced leadership in energy storage technology.

Contact

Website · Careers · LinkedIn

Last updated on 2025-12-27 | Report an issue

Job Description

Skeleton's Advanced Engineering Department is looking for a driven and experienced Senior Electrical Engineer (m/f/x) for the Grid products (cabinets, systems).

Your responsibility areas

Responsible for the design and development of PCB-based electrical systems, including creation of circuit schematics and selection of suitable electronic components.
Designs multilayer PCB layouts, performs design rule checks, and ensures adherence to relevant industry, safety, and EMC standards.
Prepares manufacturing and assembly documentation, such as Gerber files, bills of materials (BOMs), and assembly drawings.
Supports prototype builds, including testing, troubleshooting, validation, and iterative design improvements.
Collaborates closely with cross-functional teams (e.g., mechanical, firmware, testing, manufacturing) to ensure alignment with overall product requirements and performance targets.
Receives task assignments and performance oversight from the designated functional manager, according to the current organizational structure.

Requirements

Degree in Electrical Engineering or a related field.
Professional experience in electrical design, preferably in power electronics or industrial energy systems.
Understanding of medium- or high-voltage systems and grid-connected products is an advantage.
Proficiency in schematic design, component selection, and PCB development.
Familiarity with relevant safety and EMC standards.
Ability to support testing, validation, and troubleshooting in a lab environment.
Strong communication skills and ability to work collaboratively across engineering teams.

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.