Electrical Commissioning Manager

Role: Electrical Commissioning Manager Industry: Data Centres Location: Lisbon Area, Portugal Engagement: Freelance contract NES Fircroft is supporting a leading international contractor delivering a large-scale mission-critical infrastructure project in Portugal and is seeking an experienced Electrical Commissioning Manager to join the site delivery team. This is an excellent opportunity to play a key role in the successful commissioning and handover of a high-profile data centre development, working within a multidisciplinary team on one of Europe's most significant mission-critical projects. Responsibilities Lead and manage all electrical commissioning activities throughout the project lifecycle. Develop, review and implement commissioning procedures, test scripts and commissioning plans. Coordinate commissioning activities across electrical systems including MV/LV distribution, transformers, UPS systems, generators, switchgear and associated control systems. Work closely with project delivery, construction, QA/QC and client teams to ensure systems are commissioned safely and efficiently. Manage commissioning schedules and monitor progress against key project milestones. Support energisation planning and execution activities. Coordinate integrated systems testing (IST) and functional performance testing. Review and approve commissioning documentation, test records and handover packs. Manage interfaces between electrical, mechanical and controls commissioning teams. Ensure all commissioning activities are carried out in accordance with project procedures, industry standards and health & safety requirements. Support final client demonstrations, handover processes and operational readiness activities. Requirements Proven experience working as an Electrical Commissioning Manager, Lead Commissioning Engineer or Senior Commissioning Engineer within mission-critical environments. Strong background delivering commissioning activities on large-scale data centre, pharmaceutical, semiconductor, hyperscale or other critical infrastructure projects. Extensive knowledge of: Medium Voltage (MV) and Low Voltage (LV) systems Transformers UPS systems Standby power generation systems Switchgear BMS and EPMS systems Protection and control systems Experience managing integrated systems testing (IST) programmes. Strong understanding of commissioning processes, turnover and client handover requirements. Ability to lead multidisciplinary teams and coordinate multiple stakeholders. Excellent communication and reporting skills. Preferred Previous data centre project experience. Experience working on hyperscale or colocation facilities. Familiarity with Level 1-5 commissioning methodologies. Electrical Engineering qualification or equivalent technical background. Knowledge of mission-critical commissioning and operational readiness processes. With over 90 years' combined experience, NES Fircroft (NES) is proud to be the world's leading engineering staffing provider spanning the Oil & Gas, Power & Renewables, Chemicals, Construction & Infrastructure, Life Sciences, Mining and Manufacturing sectors worldwide. With more than 80 offices in 45 countries, we are able to provide our clients with the engineering and technical expertise they need, wherever and whenever it is needed. We offer contractors far more than a traditional recruitment service, supporting with everything from securing visas and work permits, to providing market-leading benefits packages and accommodation, ensuring they are safely and compliantly able to support our clients.