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Contact Information

Esju Oy
Konekuja 8
90620 OULU




Year 1991, three engineers, three skill sets and shared old school passion for technology. This was Esju in the beginning. Now 26 years later our technology areas cover RF, HW, SW, EMECH as well as HW I&V and we are doing large projects, for instance, with major players in Telecom business. Yet the same passion remains!

All the time Esju's goal has been to help our customers to succeed. People of Esju do this with cutting-edge technology skills and watchful helpfulness.We develop our expertise with changing times to bloom in partnering with our international customers. We accept that only this way we can be the most productive and technically skilled RF design house. We work hard, but yet you can hear laughter blowing in the office and as you can see one of our common values is playfully serious.

Research shows that Esju has exceptionally great work mates and yet we need more. So, we have several MSc topics for you to get started. Some of these are shown below and you can always ask for others!
5G requirements for telecom power supplies; Power supply design requirements analysis for mmW frequencies and massive MIMO systems
PA load pull measurement system; Automated load pull measurement system design and verification for high power amplifiers

Field of Operation

Electrical Engineering

Offices in Finland


Turnover of the Company

< 6 MEUR


about 60

Open Positions

R&D testing engineers (RF/HW, BB/HW)
RF design engineers

Degree Programme


Year of Study



Electronics Design, Telecommunication Engineering

Other Relevant Information

Meidän arvomme ovat: valpas avuliaisuus, leikkimielellä tosissaan, osaaminen ja hyväksyminen.



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