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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, Sweden's 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:

• Bachelor's or Master's 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.