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.
Review technical documentation prepared by suppliers and external designers.
Coordinate with CAD/BIM teams regarding cable routes, busways, switchboards and service clearances.
Work closely with HVAC, Building Automation, Project Management teams and equipment vendors.
Prepare technical queries for suppliers and participate in technical meetings.
Identify project risks related to electrical power systems, overloads, protection schemes and power quality.
Support the review and acceptance of design and as-built documentation.

We offer

Employment under a Polish employment contract (Umowa o Prace).
Salary up to 17,000 PLN gross/month.
Hybrid work model based in Warsaw.
Opportunity to work on cutting-edge AI and hyperscale data center projects.
International engineering environment with modern technologies and multidisciplinary teams.