Hyperscale Data Center Electrical Engineer

DayOne; Lahti; On-site; EUR 52,000 - 76,000; Full time

Job summary

DayOne Data Centers is building a flagship hyperscale campus in Lahti, Finland, and seeks an Electrical Engineer to maintain and optimize electrical systems for continuous 24/7 operations. You will work with PDU, UPS, generators and switchgear, ensuring safety, reliability, and performance.

The ideal candidate holds an Electrical Engineering degree with 3–5 years of data centre experience, strong communication skills, and fluency in English (Finnish is a plus).

Qualifications

• Degree in Electrical Engineering or a related field.
• 3-5 years of experience in electrical engineering (data centre or critical infra preferred).
• Strong knowledge of electrical infrastructure including power distribution, UPS systems, generators and switchgear.
• Effective communication skills and ability to work with multidisciplinary teams.
• Proficiency in English, both written and spoken; Finnish is a plus.
• Ability to work in a fast-paced operational environment; proactive and collaborative mindset.

Responsibilities

• Assist in design, installation, operation and maintenance of electrical systems (PDU, UPS, generators, switchgear).
• Ensure electrical infrastructure is efficient with minimal downtime and complies with standards.
• Support safety policies and best practices across the data centre.
• Perform preventative and corrective maintenance; coordinate with vendors/contractors.
• Monitor system performance and recommend upgrades or improvements.
• Maintain documentation for operational continuity and compliance.

Skills

Electrical engineering

Power distribution

UPS systems

Generators

Switchgear

English proficiency

Finnish knowledge

Education

Degree in Electrical Engineering

Job description

DayOne Data Centers is building a flagship hyperscale campus in Lahti, Finland, and seeks an Electrical Engineer to maintain and optimize electrical systems for continuous 24/7 operations. You will work with PDU, UPS, generators and switchgear, ensuring safety, reliability, and performance.

The ideal candidate holds an Electrical Engineering degree with 3–5 years of data centre experience, strong communication skills, and fluency in English (Finnish is a plus).