Entry Level: Thermal Design Developer

Ericsson GmbH; Stockholms kommun; On-site; SEK 650,000 - 900,000; Full time

Job summary

Ericsson in Stockholm is seeking a Thermal Design Engineer to own and drive thermal design across the product lifecycle.

You will perform CFD simulations and measurements, validating designs and collaborating with global R&D teams to advance thermal-management technologies for telecom products.

Qualifications

• BSc or MSc in Mechanical/Thermal/related field, with strong heat transfer background.
• Solid understanding of heat transfer, fluid dynamics, thermodynamics and numerical methods.
• Experience with CFD simulations using listed tools or equivalent.
• Experience with design exploration, optimization, topology optimization, and data-driven approaches.
• Excellent written and spoken English; able to present to stakeholders.

Responsibilities

• Own and drive thermal design activities across the product lifecycle.
• Perform CFD simulations to support product design and technology development.
• Plan, execute, and interpret thermal measurements and validation.
• Collaborate with thermal designers, product teams, and R&D across Ericsson.
• Present numerical and experimental results to stakeholders and management.
• Drive continuous improvement of tools, methodologies, and processes.

Skills

Heat transfer

Fluid dynamics

Thermal modeling

CFD methods

Python

MATLAB

Problem solving

Team collaboration

English communication

Education

Bachelor/Master in Mechanical Engineering / Thermal Engineering

Tools

FloTHERM

Fluent CFD tools (Fluent, Icepak)

Star-CCM+

COMSOL

Discovery

Celsius EC

Job description

Join our TeamAbout this opportunity:Do you want to shape the future of thermal management for next-generation telecommunications products? Are you passionate about solving complex thermal challenges and translating advanced cooling concepts into industrial solutions? This is your chance.We are now looking for a Thermal Design Engineer to join Ericsson's global Thermal Design organization. You will become part of a highly skilled team of thermal specialists supporting product development across Ericsson's product portfolio. Working closely with multidisciplinary teams in Sweden and our global R&D centers, you will play a key role in advancing innovative thermal-management technologies for next-generation telecommunications products.What you will do:Own and drive thermal design activities across the product development lifecycle, delivering advanced thermal-management solutions for electronic products and systems from concept evaluation through product release.Perform CFD simulations and other relevant modeling approaches to support product design and technology development.Plan, execute, and interpret thermal measurements and validation activities to ensure design robustness and performance.Collaborate closely with thermal designers, product development teams, and technology experts across Ericsson's global R&D organization to develop and optimize thermal solutions.Analyze and present numerical and experimental results to technical stakeholders and management.Support root-cause investigations, task forces, and customer-related thermal issues when required.Drive continuous improvement of thermal tools, methodologies, and design processes.The skills you bring:B.Sc or M.Sc´s degree in Mechanical Engineering, Thermal Engineering, Engineering Physics, Applied Mathematics, Computational Science, Aerospace Engineering, or a related field.Strong understanding of heat transfer, fluid dynamics, thermodynamics, and numerical methods.Experience with CFD simulations using tools such as Celsius EC, FloTHERM, Fluent, Discovery, Icepak, Star-CCM+, COMSOL, or equivalent.Experience with computational design methodologies, including design exploration, parametric optimization, topology optimization, and data-driven engineering approaches.Experience leveraging scripting, automation, and AI-assisted engineering workflows using Python, MATLAB, or similar technologies is considered an advantage.Strong analytical and problem-solving skills with the ability to translate simulation results into design improvements.Ability to work independently while effectively collaborating across disciplines, organizations, and cultures.Excellent communication and presentation skills in English, both written and spoken.Strong curiosity, innovation mindset, and willingness to challenge conventional engineering approaches.Why join Ericsson?At Ericsson, you´ll have an outstanding opportunity. The chance to use your skills and imagination to push the boundaries of what´s possible. To build solutions never seen before to some of the world’s toughest problems. You´ll be challenged, but you won’t be alone. You´ll be joining a team of diverse innovators, all driven to go beyond the status quo to craft what comes next.What happens once you apply?Click Here to find all you need to know about what our typical hiring process looks like.Encouraging a diverse and inclusive organization is core to our values at Ericsson, that's why we champion it in everything we do. We truly believe that by collaborating with people with different experiences we drive innovation, which is essential for our future growth. We encourage people from all backgrounds to apply and realize their full potential as part of our Ericsson team. Ericsson is proud to be an Equal Opportunity Employer. learn more.Primary country and city: Sweden (SE) || StockholmReq ID: 791069