Senior Research Electrical Engineer

Flex; Kalmar kommun; On-site; SEK 558,000 - 781,200; Full time

Job summary

Flex in Kalmar, Sweden is seeking a Senior Research Electrical Engineer to join their R&D team. This role involves research into AI data centers and developing next-generation power solutions focusing on DC/DC conversion.

The ideal candidate will have a Master’s in Electrical Engineering, experience in Power Electronics, and a strong understanding of various circuit topologies. The position offers a unique opportunity to work with leading technologies in a collaborative environment.

Qualifications

• M.Sc. (or equivalent) in Electrical Engineering, focus on Power Electronics; PhD preferred.
• Documented experience in electrical development in Power Electronics.
• Strong understanding of various topologies.

Responsibilities

• Work closely with the CTO in a dedicated research team.
• Lead and shape advanced research projects for future power modules.
• Collect and analyze data to influence roadmaps.

Skills

Electrical development in Power Electronics

Understanding of various topologies

400/800V DC design

Software/Firmware understanding

Circuit simulations

Conceptual product development

Magnetic field theory

Fluency in English

Education

M.Sc. in Electrical Engineering

PhD in Electrical Engineering

Job description

Flex is the diversified manufacturing partner of choice that helps market‑leading brands design, build and deliver innovative products that improve the world.

A career at Flex offers the opportunity to make a difference and invest in your growth in a respectful, inclusive, and collaborative environment. If you are excited about a role but don't meet every bullet point, we encourage you to apply and join us to create the extraordinary.

Job Summary: Flex Power Modules is looking for a passionate and experienced Senior Research Electrical Engineer for research powering AI datacenters to join our R&D team. In this role you will be at the forefront of developing next‑generation power solutions for the Internet & Cloud infrastructure and AI – focusing on advanced DC/DC conversion and power electronics.

This is a unique opportunity for someone with deep technical knowledge in power and electronics who wants to work hands‑on with cutting‑edge technologies and global hyper‑scalers.

What a typical day looks like:

• You will work closely with our CTO in a dedicated research team;
• Lead and Shape advanced research projects for future power modules;
• Collect and analyze data from global hyper‑scalers and partners to influence roadmaps and drive the development of next generation products;
• Use your expertise to understand and select the right topologies and contribute with practical lab, simulations and filed experience;
• You will also have the opportunity to contribute to publications, white papers, and patents in the field.

The experience we're looking to add to our team:

• M.Sc. (or equivalent) in Electrical Engineering, with a focus on Power Electronics; PhD in Electrical Engineering preferred.
• Documented experience in electrical development in Power Electronics.
• Strong understanding of various topologies including resonant and hard‑switched solutions.
• Experience in 400/800V DC design.
• Basic understanding of Software/Firmware.
• Basic knowledge of PMBus and I2C protocols.
• Skilled in circuit simulations.
• Experience in conceptual product development.
• Good understanding of magnetic field theory related to transformer/inductor design.
• Fluency in English, both written and spoken.

What you'll receive for the great work you provide:

• A role at the forefront of technology in AI and data center infrastructure;
• A chance to influence product development from concept to launch;
• An innovative, international, and collaborative work environment;
• Opportunities to work with world‑leading companies in cloud and tech.

Flex is an Equal Opportunity Employer and employment selection decisions are based on merit, qualifications, and abilities. We do not discriminate based on: age, race, religion, color, sex, national origin, marital status, sexual orientation, gender identity, veteran status, disability, pregnancy status, or any other status protected by law. We're happy to provide reasonable accommodations to those with a disability for assistance in the application process. Please email [e-mail] and we'll discuss your specific situation and next steps (NOTE: this email does not accept or consider resumes or applications. This is only for disability assistance. To be considered for a position at Flex, you must complete the application process first).