
Senior Mechanical Engineer Cell Design (m/f/x)

Skeleton's Supercapacitor Data Centers team is looking for a driven
Senior Mechanical Engineer Cell Design
with the vision to match our ambition.
Your tasks in the net zero journey:
- Work together with cell (and SuperBattery) team engineers to design/improve/manage supercapacitor cells.
- Create, manage and keep up to date the design documentation (models, drawings, documents, risk assessments)
- Create deliverables according to the development process.
- Co-operation with industrial engineers on the stable manufacturing of the design.
- Reporting to and working together with mechanical engineering team on the design solutions
- Find design solutions which can be used to hit product target requirements.
- Build prototypes and perform testing to validate design solutions.
- Instruct and supervise the manufacturing of our products if needed.
- Communicate with component suppliers and procurement team to find suitable solutions.
- Co-operation with procurement team to ensure that design meets target cost.
We don’t expect to master it all. At Skeleton, you’ll have the support of the team and we work together to achieve our goals. However, there are requirements you should be able to fulfill to succeed in this role:
- Successfully completed Bachelors or Masters' degree studies in mechanical engineering field.
- At least 5 of professional experience as a design engineer.
- Prior experience with battery Cell design (preferably Cylindrical cells), or other relations with battery industry.
- Experience with mass production, manufacturability.
- Well experienced with SolidWorks.
- Very good modelling skills.
- Great at creating and reading technical drawings.
- Understanding of cell design and relevant electrical parameters for cell design.
- Capability of using hand- and power tools.
- High proficiency in technical writing
- Understanding of quality tools (DFMEA, Significant characteristics, etc.)
- Have fluent English language skills, German would be a huge advantage.
- Bringing forward interpersonal skills of independency, resourcefulness, time management, internal drive.
- As a personality, you are open and keen communicator, can explain your thought process and able to bring forward new ideas but also receive constructive criticisism.
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.
- 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.
- Use the training budget to expand your knowledge and competencies.
- Helpfulness among colleagues is not just an empty phrase but a practice every day.
- A motivating opportunity for continuous growth at Skeleton.
- An additional day off every year for your birthday.
- Use our Edenred Voucher Card for your shopping experience with a top-up every month.
- We offer a company pension scheme for your financial security in the future.
- Be active & participate in our internal sports challenges (SkelFitness).
- We have a pet-friendly office.
- We celebrate our successes with Team Events, Summer & New Year’s parties, and other initiatives!
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: headquarters in Tallinn (Estonia), manufacturings in Markranstädt (Germany) and Varkaus (Finland), materials development in Bitterfeld-Wolfen, several additional locations in Finland (Helsinki and Lappeenranta), and an office in Berlin and first people in Toulouse (France).
Similar roles
AI & Backend Engineer
Clera·Munich, Germany
ABOUT THE ROLE We're a seed-stage B2B SaaS company building an AI support agent platform that helps technical B2B teams automatically resolve complex customer support tickets. Our product integrates deeply with tools like Zendesk, Jira, Slack, and Sentry, and is built on a modern stack including Python, FastAPI, Next.js, TypeScript, PostgreSQL, Firestore, Docker, and Kubernetes — with OpenAI models at…
- On-site
- Full-time
- Blue Card — tied; settle 21–33mo
Solutions Engineer DACH (m/f/d)
360Learning·Berlin, Germany
As a Solutions Engineer, you will be working at the intersection of Sales, Product and Customer Success, working with top learning and development organizations to align their growth objectives to 360learning capabilities. As the first Solutions Engineer for the German market, you will play a crucial role in ensuring the region’s success, but you will have the support from the…
- On-site
- Full-time
- Blue Card — tied; settle 21–33mo
Steuerfachangestellte/r - Finanz- & Lohnbuchhaltung (m/w/d)
Limetax·Würzburg, Germany
Welzenbach Wirtschafts- und Steuerberatungsgesellschaft mbH | Standort: Würzburg & Lohr am Main (Hybrid) Über uns Wir als Welzenbach sind eine Steuerkanzlei mit Standorten in Lohr am Main und Würzburg. Wir setzen auf digitale Prozesse, einen hohen fachlichen Anspruch sowie eine persönliche Mandantenbetreuung durch feste Ansprechpartner, für einen vielseitigen Mandantenstamm aus Unternehmen und Privatpersonen verschiedenster Branchen. Welzenbach ist Teil der Limetax-Gruppe,…
- On-site
- Full-time
- Blue Card — tied; settle 21–33mo
OT Security Engineer mit Remote-Option (m/w/d)
PolyTALENT GmbH·Germany
PolyTALENT vermittelt direkt an ein etabliertes Unternehmen der erneuerbaren Energien, das seine Biogas- und Industrieanlagen sicherheitstechnisch weiter ausbaut. Gesucht wird ein OT Security Engineer (m/w/d), der OT-/ICS-Sicherheitsmaßnahmen in produktionsnahen Umgebungen plant, technisch umsetzt und mit IT, Automatisierung und externen Partnern wirksam verzahnt. Die Rolle ist ideal für Fachkräfte aus OT Security, Industrial Cyber Security, Automatisierungstechnik, Leittechnik, SPS, SCADA oder Netzwerktechnik,…
- On-site
- Full-time
- Blue Card — tied; settle 21–33mo
Senior Software Engineer (m/w/d) - SEtrade
VISPIRON GmbH·Munich, Germany
Strom lässt sich nicht auf Halde legen. Erzeugung und Verbrauch müssen sich in jeder Sekunde ausgleichen, sonst kippt die Netzfrequenz. Das ist keine Haltung, das ist Physik. Aus dieser Physik entsteht ein Markt, der in 15-Minuten-Scheiben handelt und keine Rücksicht nimmt. Genau dort läuft unsere Software. Wir bewirtschaften heute 350 MWp Solar, 100 MWp Wind, 100 MWh Speicher, 12 MW…
- On-site
- Full-time
- Blue Card — tied; settle 21–33mo
AI Automation & Systems Engineer (m/w/d) in KI-First-Marketing-Agentur
NAO Skalierung GmbH·Hamburg, Germany
Wir sind eine Boutique-Marketing-Agentur für Coaches & Berater. Unser Ziel ist es, unsere Agentur zu einer KI-First-Agentur umzubauen, in der alle standardisierbaren Prozesse von KI übernommen werden. Es wird einen kleinen Teil hochspezialisierter Menschen geben, die die KI steuern und führen. Hierfür suchen wir eine Person, die den Wechsel maßgeblich leitet. Diese Rolle entscheidet maßgeblich darüber, wie unser Unternehmen in…
- On-site
- Full-time
- Blue Card — tied; settle 21–33mo
Senior Partner Enablement Associate (x/f/m)
Doctolib·Berlin, Germany
<div class="s-whitespace-pre-wrap s-break-words s-font-normal first:s-pt-0 last:s-pb-0 s-py-1 @md:s-pt-2 @md:s-pb-[10px] @md:s-leading-relaxed s-text-base s-leading-relaxed s-text-foreground dark:s-text-foreground-night">Wir suchen Dich als <strong class="s-font-semibold s-text-foreground dark:s-text-foreground-night">Senior Associate Partner Enablement (x/f/m)</strong> als Unterstützung für das <strong class="s-font-semibold s-text-foreground dark:s-text-foreground-night">Partner Operations & Performance</strong> Team in <strong class="s-font-semibold s-text-foreground dark:s-text-foreground-night">Berlin oder München.</strong></div> <div class="s-whitespace-pre-wrap s-break-words s-font-normal first:s-pt-0 last:s-pb-0 s-py-1 @md:s-pt-2 @md:s-pb-[10px] @md:s-leading-relaxed s-text-base s-leading-relaxed s-text-foreground dark:s-text-foreground-night">Du entwickelst und implementierst…
- On-site
- Full-time
- Blue Card — tied; settle 21–33mo
Head of AI Engineering (F/M/*)
Amber·Köln, Germany
Aus Europa, für Europa – Wir bauen Europas Business-KI. Wir sind amber, ein wachsendes und innovatives KI-Startup. KMUs profitieren davon, wenn internes Wissen sofort nutzbar wird und intelligente Agenten darauf reagieren können. Wir glauben an eine Zukunft, in der Business-KI, einschließlich Agenten, in einer gemeinsamen Plattform zusammenarbeitet, sodass Teams schneller arbeiten, Übergaben nahtlos erfolgen und das Know-how im Unternehmen bleibt.…
- On-site
- Full-time
- Blue Card — tied; settle 21–33mo