Commercial Construction Site Supervisor

No agencies or third-party recruiters, please. We are not accepting unsolicited resumes or outreach at this time.
Location: Portsmouth, NH/Seacoast
Job Title: Site Supervisor - Commercial Construction
Department: Commercial Construction
Reports to: Director of Field Operations
Positions Supervised: In-house carpenters and laborers
Status: Full Time
Fair Labor Standards Act (FLSA) Classification: This position is classified as exempt and is not eligible for overtime under the Fair Labor Standards Act.
Why Chinburg?
Chinburg is a dynamic and growing company based in the Seacoast region of New Hampshire, with projects and properties throughout NH, ME, and VT. Over nearly four decades, we’ve grown from a small local business into one of Northern New England’s most trusted names in development, construction, and property management.
Our success is rooted in strong relationships, quality work, and collaborative teams that communicate openly, and bring curiosity and care to every project. Chinburg is known for an innovative approach to development and construction, including a longstanding commitment to energy-efficient building practices and creating places that contribute positively to the communities around them.
The Chinburg vision is simple: “We are a talented team, dedicated to transforming the landscape for the better by creating unique places for people to live, work and play.”
When you join Chinburg, you become part of a team where your work matters and your contributions help shape both our projects and our culture. We offer competitive compensation, comprehensive benefits, opportunities for career growth and professional development, and a collaborative environment where people are encouraged to take initiative, share ideas, and make a meaningful impact.
Position Summary
The Site Supervisor - Commercial Construction is responsible for the overall management and oversight of on-site construction operations for assigned commercial projects. This role ensures that work is executed safely, efficiently, on schedule, within budget, and in strict accordance with contract documents and company standards. The Site Supervisor provides daily leadership to field personnel, coordinates subcontractor activities, enforces safety and quality standards, and serves as the primary on-site representative of Chinburg.
Primary Responsibilities
Site Leadership & Oversight
Direct and oversee all day-to-day field operations.
Plan, coordinate, and sequence work to maintain project schedule and productivity.
Supervise and direct on-site laborers and field staff; provide clear expectations and performance feedback.
Coordinate subcontractor activities to ensure alignment with project timelines and quality standards.
Lead regular site meetings and communicate project updates to Project Managers and stakeholders.
Safety & Compliance
Develop, implement, and maintain a site-specific safety plan in accordance with Chinburg policies, OSHA regulations, and all applicable federal, state, and local laws.
Enforce safety protocols for all employees, subcontractors, and visitors.
Conduct regular safety inspections and proactively address hazards.
Ensure compliance documentation is current and properly maintained.
Quality Control & Execution
Review plans, specifications, and technical documents to ensure accurate execution of work.
Conduct routine inspections to verify workmanship and adherence to contract requirements.
Identify and resolve field issues, conflicts, and constructability concerns.
Develop and manage punch list processes through project closeout.
Project Coordination & Administration
Monitor project milestones and proactively address schedule risks.
Coordinate required inspections with regulatory agencies and third-party inspectors.
Oversee delivery, storage, and inventory control of materials and equipment.
Maintain accurate daily logs, site reports, and project documentation.
Site Management
Ensure site cleanliness, organization, and professionalism at all times.
Promote a respectful, collaborative, and productive work environment.
Knowledge, Skills & Abilities
Demonstrated experience supervising commercial construction projects.
Strong knowledge of construction methods, safety regulations, and industry best practices.
Ability to read and interpret blueprints, specifications, and technical drawings.
Effective leadership, communication, and conflict-resolution skills.
Strong organizational and time-management abilities.
Proficiency with construction management software and mobile reporting tools preferred.
OSHA certification (required or preferred based on regional standards).
Valid driver’s license and reliable transportation.
Education & Experience

Employment type
Full-Time

Work arrangement
No