Senior Mechanical Design Engineer - Blykalla
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Engineering · Stockholm
Senior Mechanical Design Engineer
Blykalla is scaling quickly in order to industrialize our small modular reactor (SMR) concept. If you are passionate about nuclear technology and want to make a significant impact, join us!
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What we do at Blykalla
Blykalla is a Swedish deep-tech company at the forefront of the nuclear industry, pioneering the development of small modular reactors that provide clean, safe, and reliable energy. Thanks to lead-cooling, we achieve high safety in a very compact format, allowing for a simple and cost-effective design that can be mass-produced. Our unique reactor design will provide safe and green baseload energy that perfectly complements solar and wind power.
Are you a skilled mechanical engineer with a passion for solving complex design challenges? Do you enjoy hands-on engineering work in a fast-paced environment where your contributions have real impact? Join Blykalla, Swedens pioneer in next-generation nuclear energy, as a Senior Mechanical Design Engineer.
What you'll get to do
As a Senior Mechanical Design Engineer, you will work as a key technical contributor in the design, analysis, and development of mechanical systems for our SMRs. The role is strongly hands-on and focused on detailed mechanical design, engineering analysis, and close collaboration with colleagues across disciplines. You will thrive in this role if you:
Enjoy deep technical work and hands-on mechanical design.
Take ownership of your deliverables and see them through to completion.
Question assumptions and continuously seek better engineering solutions.
Are comfortable working in an agile, fast-moving environment.
Value open, respectful communication and teamwork.
Key Responsibilities
Design and develop mechanical components and systems for SMR applications, from concept through detailed design.
Produce detailed 3D CAD models, drawings, and technical documentation.
Interpret, implement, and trace requirements throughout the design process.
Critically evaluate results from mechanical, thermal, and fluid analyses and iterate designs accordingly.
Support prototyping, testing, and design verification activities.
Collaborate with R&D, safety, and manufacturing teams to ensure robust and compliant designs.
Ensure designs meet applicable industry standards, safety requirements, and quality processes.
Communicate technical progress and design decisions within project teams.
Who'll you'll get to work with
The Senior Mechanical Design Engineer sits in the engineering team within Blykalla, and reports to the Mechanical Engineering Manager. We are a diverse team that is passionate about our work and Blykalla.
Who you are
You will be part of a highly skilled engineering team with a strong sense of ownership and curiosity. To succeed in this role, we believe you bring the following:
Required:
Bachelors or Masters degree in Mechanical Engineering or a related field.
8 or more years of experience in mechanical design engineering, with a strong focus on 3D CAD and design of large-scale components.
Broad mechanical engineering expertise spanning design and manufacturing.
Experience working in regulated industries with structured engineering processes, safety regulations, and quality requirements.
Strong problem-solving skills and attention to detail.
Excellent communication and collaboration skills.
Fluency in spoken and written English.
Considered a merit:
Experience from the nuclear industry, including familiarity with nuclear codes and standards (e.g. ASME, RCC) and nuclear quality assurance processes.
Experience with FEM simulations and/or thermal or fluid simulations (CFD).
Experience with risk assessment methods such as FMEA.
Fluency in Swedish.
If you are not sure that you are 100% qualified but are up to the challenge, we encourage you to apply.
Location
This position is for our office in Stockholm.
So, what do you think?
Dont miss the chance to be at the forefront of revolutionizing nuclear power. Join our team as Senior Mechanical Design Engineer and help shape the energy landscape of tomorrow. Apply today with your resume and a cover letter highlighting your relevant experience and achievements.
We are proud to foster an inclusive workplace free from discrimination. We strongly believe that diversity of experience, perspectives, and background will lead to a better environment for our employees and a better product. This is something we value deeply and we encourage everyone to be a part of changing the way the world thinks about power supply!
We offer competitive compensation aligned with our internal salary framework and growth potential in the role.
We do not accept applications via email.
We are not open to external help from recruitment agencies.
Team Engineering Locations Stockholm
Contact Fatima Rezaei Talent Acquisition Specialist - People & Culture
Colleagues
Ioanna Chanopoulou
System Engineer
Michel Chapuis
Head of Mechanical Engineering
Sara Pelka
Nuclear Engineer
About Blykalla
Blykalla is Swedens only SMR vendor, commercializing lead-cooled fast reactors for industrial use. Based on 20+ years of research, their SEALER technology is a compact 55 MWe unit designed to offer a safe, efficient, and scalable power solution. With a strong foundation within Sweden, Blykalla is well positioned to deliver Europes first advanced SMR, providing reliable and sustainable baseload energy to power AI and clean industries.
Backed by partners such as Uniper, ABB, KSB, Höganäs, and the Royal Institute of Technology, Blykalla has secured close to EUR 50 million in funding, including a SEK 99 million grant from the Swedish Energy Agency and a EUR 17 million investment from the EU. The company plans to complete its first SEALER reactor by 2030 and begin serial production in the 2030s. By 2050, their technology could generate up to 500 TWh of clean electricity annually, cutting global CO emissions by 0.5 gigatons each year.
Founded in 2013
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Engineering · Stockholm
Senior Mechanical Design Engineer
Blykalla is scaling quickly in order to industrialize our small modular reactor (SMR) concept. If you are passionate about nuclear technology and want to make a significant impact, join us!
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