Senior Superintendent - Mission Critical

About the role

Ajax Building Company, part of the STO Building Group, is seeking a Senior Superintendent to lead the field execution of complex mission critical construction projects. This is a hands-on leadership role responsible for overall data center site operations, including managing field teams, coordinating subcontractors, and driving performance across safety, schedule, quality, and budget.

Responsibilities

• Lead and supervise all field operations to ensure the project is constructed in accordance with design, budget, and schedule.
• Oversee and coordinate all subcontractors, with a strong emphasis on MEP systems integration and sequencing in mission critical environments.
• Plan, organize, and direct daily jobsite activities including manpower, materials, logistics, and equipment.
• Drive overall site safety culture; enforce safety policies, document violations, and implement corrective actions in coordination with Safety leadership.
• Partner with Project Management to develop and maintain project schedules, phasing plans, and lookahead planning.
• Lead coordination of complex building systems (electrical, mechanical, plumbing, controls), ensuring proper installation, commissioning readiness, and turnover.
• Interface with owners, engineers, inspectors, and trade partners as the primary on-site point of contact.
• Interpret drawings and specifications; provide technical leadership and recommend construction means, methods, and sequencing strategies.
• Monitor productivity, quality, and subcontractor performance to meet contractual and operational goals.
• Review and approve field-related transactions including purchase requisitions, field change requests, and subcontractor work as applicable.
• Lead or oversee field engineering, layout, and coordination efforts.
• Support commissioning, startup, and turnover processes critical to mission critical project delivery.
• Maintain strong working relationships with project teams, subcontractors, and clients.

Qualifications

• 10+ years of supervisory experience in commercial construction, with significant experience leading large, complex projects.
• Strong experience as a Lead or Senior Superintendent on mission critical / data center projects from start through commissioning.
• Deep understanding of MEP systems, coordination, and sequencing in high-performance environments.
• Proven ability to lead large field teams and manage multiple trades simultaneously.
• Bachelor’s degree in Construction Management, Civil Engineering, or related field preferred.
• Strong knowledge of construction practices, scheduling, and field operations.
• Excellent leadership, communication, and organizational skills.
• Ability to thrive in a fast-paced, high-demand jobsite environment.

Physical Requirements

• Must have the ability to perform the following tasks:
• Climb and maintain balance on ladders and scaffolding.
• Sight, hearing, and speech to communicate effectively.
• See well (either naturally or with correction).
• Lift and carry objects weighing up to 50 pounds and occasionally more.