Senior Project Manager

Ajax Building Company, part of the STO Building Group, is seeking a driven Senior Project Manager to lead the planning and execution of complex construction projects from preconstruction through closeout. In this role, you will partner closely with field leadership, subcontractors, and project stakeholders to deliver high-quality projects safely, on schedule, and within budget. You will serve as the primary point of contact for owners, architects, and engineers, while actively managing project performance, cost, and risk to drive successful outcomes. The Senior Project Manager reports to and is directly accountable to the Project Executive.

ESSENTIAL FUNCTIONS

Hire, lead, develop, and manage project personnel, including delegation and reassignment of responsibilities in alignment with company policies and project needs Lead overall project execution, coordinating field teams, subcontractors, and stakeholders to ensure projects are delivered safely, on schedule, within budget, and in accordance with contract documents Establish and implement project operating procedures to drive consistency, efficiency, and successful project outcomes Oversee development and management of project budgets and schedules, ensuring accuracy, accountability, and proactive risk management throughout the project lifecycle Review and analyze project performance reports to effectively manage cost, schedule, quality, and safety, keeping leadership informed of project status and risks Manage procurement and approve material purchases, equipment rentals, and jobsite tools not included in the original estimate Serve as the primary company representative in communications and negotiations with owners, architects, engineers, and key stakeholders Oversee contract administration, including approval of agreements and costs associated with equipment, repairs, and subcontractor/vendor scope Audit and monitor all project activities from contract execution through closeout and warranty to ensure efficiency, profitability, and compliance Build and maintain strong relationships with project teams, clients, subcontractors, and partners to support successful project delivery Promote a culture of safety, quality, and continuous improvement through active participation in company initiatives, including the Quality Improvement Plan

QUALIFICATIONS

10+ years of relevant construction project management experience. Bachelor’s degree in Construction Management, Civil Engineering or related field. General Contractor License preferred. Strong understanding of industry practices and trends and their impact on the corporation. Advanced interpersonal, communicative, and organizational skills.

ABOUT AJAX

Founded in 1958, Ajax Building Company is a leading commercial contractor delivering complex, high-impact projects across the Southeast. Our work spans healthcare, K–12, higher education, justice, municipal, mission critical, and other institutional markets—giving our teams the opportunity to build projects that truly impact the communities they serve. At Ajax, you’ll find a collaborative, team-oriented culture where your contributions are valued, backed by the strength and stability of STO Building Group’s $15B global platform. As we continue to grow, our employees take on meaningful responsibility, gain exposure to diverse and challenging work, and have clear paths for career advancement

BENEFITS

The Company offers the following benefits for this position, subject to applicable eligibility requirements: Medical Insurance, Dental Insurance, Vision Insurance, Health Savings Account, Healthcare Flexible Spending Account, Dependent Care Flexible Spending Account, 401(k) retirement plan with employer match, Life & AD&D Insurance, Long-term Disability Insurance, Short-term Disability insurance, Critical Illness Insurance, Accident Insurance, Hospital Indemnity Insurance, Home & Auto Insurance, Family Support, Pre-tax Paid Parking/Public Transportation, Paid time off, Time Away Benefits, Paid Holidays, Group Legal, Employee Stock Purchase Plan, Identity Theft Protection, Pet Insurance, Employee Assistance Program

EEO STATEMENT:

The STO Building Group family of companies—Structure Tone, Structure Tone Southwest,PavariniConstruction Co.,PavariniMcGovern, LF Driscoll, Govan Brown, Ajax Building Company, BCCI Construction, Layton Construction, Abbott Construction, and RC Andersen—includes over 4,000 employeeslocatedin offices throughout the US, Canada, UK, and Ireland. Weprovidea complete range of construction services, from site selection analysis, design constructabilityreviewand aesthetic enhancements to interior fit-outs, new building construction, and building infrastructure upgrades and modernization. Learn more about how we partner with our clients to imagine, execute, and realize our vision at stobuildinggroup.com . We are an equal opportunity employer.We evaluate qualified applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, veteran status, and other legally protected characteristics. About Us What We Do: We build. From workplaces and hospitals to hotels and cultural centers. We build the amazing places that define communities. Our services span the full lifecycle of construction-starting with site evaluations and preconstruction through to commissioning, close-out, and beyond. The STO Building Group family of companies —Structure Tone, Structure Tone Southwest, Pavarini Construction Co., Pavarini McGovern, LF Driscoll, Govan Brown, Ajax Building Company, BCCI Construction, Layton Construction, Abbott Construction, and RC Andersen—includes over 4,000 employees located in offices throughout the US, Canada, UK, and Ireland. We provide a complete range of construction services, from site selection analysis, design constructability review and aesthetic enhancements to interior fit-outs, new building construction, and building infrastructure upgrades and modernization. Learn more about how we partner with our clients to imagine, execute, and realize our vision at stobuildinggroup.com. Job Info Job Identification 53900 Job Category Operations Posting Date 08/31/2026, 08:52 PM Job Schedule Full time Locations 330 West 34th Street, New York, NY, 10001, US #J-18808-Ljbffr Abbott