Job details

Location: Poland Salary: PLN 17,000 – PLN 17,000 Cooperation: On site / Hybrid Seniority levels: Middle, Senior Languages: English - B2

Electrical Engineer (Data Center)

We are looking for an experienced Electrical Engineer to join a team delivering large-scale AI and data center infrastructure projects in Warsaw.

In this role, you will provide technical expertise and support the design and verification of electrical power systems for mission-critical facilities. We are looking for someone with strong hands-on experience in high-power electrical installations who can review electrical documentation, perform engineering calculations, and collaborate closely with multidisciplinary project teams, suppliers, and contractors.

The projects include critical infrastructure such as:

Main LV switchboards / UPS systems / Diesel generators / ATS/STS systems / Busway systems and tap-off boxes / Cable routing / IT rack power distribution / HVAC electrical systems / Building automation systems

Responsibilities

• Review, analyze and verify electrical documentation, including Single Line Diagrams (SLDs).
• Support the design and validation of data center power architecture.
• Perform and review electrical load calculations and power balance.
• Select and verify switchboards, protection devices, cables, busways and tap-off boxes.
• Calculate cable sizing, voltage drop and current carrying capacity.
• Perform short-circuit calculations and protection device selection.
• Verify protection coordination and selectivity.
• Assess the impact of ambient temperature, cable routing methods and environmental conditions on equipment selection.
• Provide technical support in selecting UPS systems, generators, ATS/STS equipment and main switchboards.