About 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) || Stockholm
Req ID: 791069
Skills Required
- Bachelor’s or master’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.
- Strong analytical and problem-solving skills, including the ability to translate simulation results into design improvements.
- Ability to work independently and collaborate across disciplines, organizations, and cultures.
- Excellent written and spoken English communication and presentation skills.
- Curiosity, an innovation mindset, and willingness to challenge conventional engineering approaches.
- Experience using scripting, automation, and AI-assisted engineering workflows with Python, MATLAB, or similar technologies.
What the Team is Saying
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Ericsson Compensation & Benefits Highlights
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Healthcare Strength — U.S. job postings describe multiple medical plan options (including PPO and HSA‑eligible HDHP) plus dental and vision, aligning with a comprehensive medical suite. Corporate materials also emphasize wellbeing resources and EAP support.
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Retirement Support — Company communications and U.S. materials reference market‑competitive retirement benefits, including a 401(k) with automatic employer contributions and additional matching. Investor and benefits materials signal a structured approach to total rewards that includes long‑term savings programs.
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Parental & Family Support — U.S. and EWS guides and postings highlight paid maternity and parental/adoption leave at full pay, alongside structured short‑term disability at full pay for defined weeks by tenure. These programs are positioned as part of a family‑friendly, work‑life‑balance offering.
Ericsson Insights
What We Do
Ericsson builds the digital connectivity the world relies on. Our technology underpins the mobile networks, platforms, and systems that billions of people, businesses, and societies depend on every day. We are a global leader in communications technology, delivering mobile network infrastructure, cloud software, and wireless connectivity solutions for service providers and enterprises worldwide. Our networks support connectivity across 180+ countries, helping power everyday communication as well as critical digital services at global scale. Connectivity has evolved far beyond consumer mobile use. Today, nearly 80% of the world’s population accesses the internet via mobile networks, and Ericsson is helping shape what comes next. We are advancing 5G and 5G Advanced, developing network APIs that open connectivity to the global developer ecosystem, and applying automation and AI to make networks more intelligent, efficient, and resilient. Ericsson was the first company to launch live 5G networks on five continents, and our 5G platform is now commercially live in 150+ networks across 60+ countries. We also support more than 36,000 enterprise customers, enabling secure, high-performance connectivity for industries such as manufacturing, aviation, logistics, utilities, and public safety, where reliability and performance are mission critical. Innovation is central to how we work. Ericsson has approximately 28,000 employees in research and development, backed by one of the strongest intellectual property portfolios in the industry with 60,000+ granted patents. Our engineers, researchers, and technologists work across 100+ global R&D sites, helping define how networks evolve and how digital infrastructure is built for the long term. As the world moves toward a mobile-first, AI-powered, and cloud-driven future, connectivity becomes the foundation for digital transformation across every industry. Ericsson is building that foundation, shaping the future of digital connectivity through technology that operates at global scale and supports real-world impact, today and for what comes next.
Why Work With Us
Ericsson is a place for people who want to work on technology that powers everyday life. You’ll contribute to large-scale systems used every day, tackle complex challenges in live environments, and keep developing your skills and career in your own vision.
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Ericsson Offices
Hybrid Workspace
Employees engage in a combination of remote and on-site work.
Ericsson adopts a hybrid work model globally because we know balance matters. Sometimes things are better in real life. Other times we can be more productive at home. Our hybrid approach gives you the best of both worlds.
