Marek Marchlewski

Electrical Commissioning professional with over five years of hyperscale data centre experience across Europe, progressing from hands-on Commissioning Engineer duties into team supervision and commissioning management. Strong background in LV electrical systems, switchgear, busbars, UPS, generators, transformers, energisation, functional testing, Integrated Systems Testing (IST), thermography, QA/QC and client handover. Holds current electrical Operation and Supervision qualifications covering electrical installations and networks above 1 kV, testing and measurement, and generator sets over 50 kW.

Experienced in planning and coordinating commissioning activities, leading testing teams, resolving technical and documentation issues, managing priorities under demanding programme conditions, and working directly with clients, general contractors, vendors and subcontractors. Seeking to continue in a Commissioning Manager / Electrical Commissioning Manager role on large-scale data centre projects.

Electrical Commissioning / Commissioning Management at GMES (2020-10 – Present)

Leading and coordinating electrical commissioning activities, testing teams, programme priorities, technical issues, reporting and client-facing close-out across multiple hyperscale data centre projects.

• Plan, coordinate and supervise electrical commissioning activities across critical data centre systems.
• Lead and support commissioning/testing teams during Level 3 activities, energisation and critical project phases.
• Commission and verify LV distribution systems, switchboards, busbars, UPS systems, generators and transformers.
• Coordinate functional testing, Integrated Systems Testing (IST), witness testing and client inspections.
• Review test results, thermal imaging findings, commissioning reports, drawings and handover documentation.
• Manage snags, technical queries, corrective actions and close-out with clients, general contractors, vendors and subcontractors.
• Support safe systems of work, LOTO, energisation planning, QA/QC and compliance with project procedures.
• Maintain clear communication with project stakeholders and adapt commissioning priorities to programme requirements.

Commissioning Manager / Cx at GMES (2020-10 – Present)

Leading and coordinating electrical commissioning activities, testing teams, programme priorities, technical issues, reporting and client-facing close-out. Strong focus on LV systems, busbars and thermography, including review and coordination of test evidence and commissioning documentation.

Electrical Commissioning Engineer at GMES (2020-10 – Present)

Electrical commissioning and verification of mission-critical systems, including LV distribution, switchgear, busbars, UPS, generators and associated functional testing, energisation support and commissioning documentation.

Electrical Commissioning / Supervision at GMES (2020-10 – Present)

Supervision and coordination of electrical testing and commissioning activities, witness testing, issue resolution, reporting and handover support.

Electrical Testing / Commissioning at GMES (2020-10 – Present)

Data centre electrical testing and commissioning activities, team coordination and delivery of test records in a live project environment.

Electrical Commissioning / Testing Supervision at GMES (2020-10 – Present)

Commissioning, testing and supervision across multiple hyperscale data centre projects.

Electrical Commissioning / Testing at GMES (2020-10 – Present)

Electrical testing, commissioning support, coordination and handover activities.

Owner / Electrical Testing Engineer at ENERGOMARK (2012-11 – Present)

• Delivered electrical installation testing for commercial, industrial and residential clients, including a nationwide retail portfolio and the new Polish Embassy in Berlin.
• Performed insulation resistance, continuity, earth fault loop impedance, RCD testing and electrical safety verification; interpreted results and prepared technical reports.
• Managed client relationships, work planning and a small technical team.

Owner at GENESIS PROPERTY RESTORATION (2007-05 – 2010-06)

• Managed a team of approximately 25 employees, project valuations, client coordination, sales activities and operational delivery.

Territory Manager at SHELTER DISTRIBUTION INC. (2007-03 – 2011-09)

• Managed customer relationships, business development, sales training, recruitment and coordination between sales and logistics.