Commissioning Manager

Decima International is a professional services company, providing project management and controls services to clients in the United States and the Middle East. Our mission is to become the premier professional services provider across all industry sectors we are engaged in. To accomplish this, Decima International s founders established a simple yet powerful formula: Approach each client engagement as a partnership , create an environment that attracts the most talented professionals and allows them to flourish, and regulate growth to maintain excellence in our service standards. We are looking for a driven and capable Commissioning Manager with experience in hyperscale data center development to support us with the commissioning and delivery of multiple mission-critical facilities for one of the top technology clients in the world. You will play an integral role in mentoring staff, forming long-term relationships with clients, and pursuing new work, including strategy development, positioning, proposing, and negotiating contracts. We are looking to bring in dedicated individuals with a passion for innovation and talent for multitasking in a fast-paced environment. We will help you grow, pursue, and fulfill what inspires you so we can make big impacts on the world, together.

RESPONSIBILITIES

• Versed in modern project management techniques within complex, multi-functional organizations; have an understanding and knowledge of engineering, design, procurement and contracting, safety, construction, and commissioning.
• Establish a strong relationship with the client and communicate with both technical and management-level personnel.
• Manage assigned work from start to close out, covering all aspects related to work delivery to ensure that the work is conducted in a timely and effective manner.
• Prepare PowerPoint decks and present to management on progress, findings, and recommendations.
• Review project plans, requirements, and specifications.
• Prepare RFPs and support the process of contractor selection and contract award.
• Work with contractors to establish CPM baseline schedules.
• Perform resource analyses to identify potential bottlenecks and resource strain.
• Identify project risks, gaps, and opportunities, and provide recommendations to stakeholders to mitigate the impact of these risks and take advantage of opportunities.
• Facilitate, run, and chair project meetings (including OAC meetings) and maintain accurate meeting minutes and action items.
• Review and validate project progress, contractor pay applications, and invoices.
• Carry out financial and technical appraisals of project options.
• Perform feasibility studies, site surveys, and liaise with designers, engineers, superintendents, and construction managers as required.
• Support business development efforts by contributing to strategy development, positioning, proposing, and negotiating contracts.

Pre-Construction/Design Phase

• Interpret and verify OPR, Basis of Design (BOD), and system performance criteria.
• Conduct commissioning-focused design reviews at schematic, design development, and construction document stages.
• Review the contractor s commissioning plan, checking roles, responsibilities, schedules, reporting structures, and test procedures.
• Identify commissioning risks related to operational facility upgrades, shutdown coordination, system tie-ins, phasing, and interim life-safety measures.
• Review shutdown plans for system tie-ins and upgrades.

Construction Phase

• Review MEP and controls submittals for compliance with OPR/BOD and commissioning requirements.
• Review contractor s commissioning-specific schedules and check alignment with project milestones.
• Coordinate off-site factory witness testing (FWT) for major equipment (e.g., generators, chillers, switchgear, UPS).
• Verify installation quality, accessibility, and readiness for functional performance testing (FPT).
• Work closely with mechanical, electrical, and controls contractors to ensure systems are installed and prepared for commissioning.
• Develop and oversee pre-functional checklists (PFC).
• Validate pre-start and startup data, test logs, and manufacturer documentation.
• Coordinate system cutovers from old to new infrastructure.

Commissioning/Testing Phase

• Lead and document functional and integrated systems tests for all major MEP systems.

• Conduct scenario-based tests to ensure systems respond correctly during failures (e.g., power loss, emergency modes).

• Work with contractors to maintain a commissioning issues log.

• Drive timely closure through contractor engagement and corrective actions.

• Compare the tested performance to design intent and OPR/BOD criteria.

• Work with all project stakeholders to reduce disruption to ongoing operations.

• Schedule tests during approved shutdown windows or off-hours.

• 12+ years of commissioning experience with mission-critical, industrial, or hyperscale data center facilities.

• Bachelor s degree in mechanical engineering, electrical engineering, controls engineering, or a related technical field.

• An excellent understanding of mechanical, electrical, and controls systems.

• Strong working knowledge of design, pre-construction, installation, startup, commissioning, testing, integrated systems operations, and facility readiness requirements.

• Experience developing various types of reports, targeting different audiences.

• Experience in client-facing positions.

• Demonstrated ability to understand technical and complicated commissioning programs and the ability to communicate progress to both technical and management-level personnel.

• Strong communication skills, including the ability to communicate with any audience clearly and accurately.

• Proficient in Microsoft Office programs.

Preferred qualifications:

• Master s degree in engineering or construction management.
• Commissioning certifications such as CxA, CCP, CEM, or similar.
• Project Management Professional (PMP) certification.
• Strong background in data center development, construction, and commissioning.