Commercial Preconstruction Manager

Ajax Building Company, part of the STO Building group, is currently seeking an experienced Preconstruction Manager.

At Ajax, the Preconstruction Manager leads project planning and cost strategy from early concept through GMP, ensuring alignment between design, budget, and constructability.

This role serves as a strategic partner to clients, design teams, and operations—guiding pricing, validating estimates, and helping drive efficient, well-coordinated project outcomes.

This is a client-facing position requiring strong leadership in meetings and the ability to influence the design process in a collaborative, solutions-oriented manner.

The role reports to the Director of Preconstruction Services and supports project teams across Florida, with some travel required.

• Lead preconstruction efforts from conceptual budgeting through design development and GMP execution in partnership with Operations
• Serve as the strategic lead during preconstruction—guiding pricing, validating estimates, and ensuring alignment with project goals
• Develop and oversee conceptual budgets, cost models, and design-phase estimates without being responsible for detailed quantity takeoffs
• Create and distribute design phase deliverables, including cost reports, value engineering analyses, and budget updates
• Prepare and lead GMP proposal development and client presentations
• Provide constructability feedback and value engineering recommendations to advance design in a cost-effective manner
• Proactively engage with design teams to challenge assumptions and drive efficient, buildable solutions
• Solicit and evaluate subcontractor and vendor pricing in coordination with the estimating team
• Maintain and utilize historical cost data to support forecasting and benchmarking
• Serve as a primary point of contact with clients, architects, engineers, and consultants during preconstruction
• Lead and participate in client and design meetings, clearly communicating cost impacts and project strategy
• Build and maintain strong relationships to support both project execution and future business development
• Support higher education, healthcare, municipal, mission critical projects and more

• 5+ years of experience in preconstruction/estimating within commercial construction
• Strong understanding of how projects are built, priced, and delivered across all phases of construction
• Experience leading or supporting preconstruction efforts from concept through GMP development
• Experience with higher education and/or municipal projects preferred
• Ability to operate effectively in a client-facing role and lead meetings with confidence
• Demonstrated ability to guide and influence the design process in a proactive, collaborative manner
• Bachelor’s degree in Construction Management, Civil Engineering, or related field preferred (or equivalent experience)
• Strong communication, presentation, and organizational skills
• Ability to manage multiple projects and priorities simultaneously
• Willingness to travel for project meetings and presentations as needed

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.

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, 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 their 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.