Commercial Construction Site Supervisor

Chinburg; Portsmouth (NH); On-site; USD 90,000 - 120,000; Full time

Job summary

Chinburg is seeking a Site Supervisor - Commercial Construction in Portsmouth, NH. You will lead on-site field operations, coordinate subcontractors, ensure safety, and maintain quality per contract documents and company standards.

The role requires five years of progressive commercial construction experience, knowledge of construction methods, and OSHA-based safety programs. Strong leadership and blueprint-reading skills are essential for success.

Qualifications

• Associate’s or Bachelor’s degree in Construction Management or related field preferred.
• Minimum of five (5) years of progressive commercial construction experience, including field supervision responsibilities.
• OSHA certification required or preferred depending on regional standards.
• Valid driver’s license and reliable transportation.

Responsibilities

• Direct and oversee all day-to-day field operations on commercial projects.
• Develop and implement site safety plans in accordance with policies and OSHA regulations.
• Review plans and specifications to ensure accurate execution of work; inspect workmanship.
• Coordinate inspections with regulatory agencies and third-party inspectors; maintain logs and reports.
• Oversee material delivery, storage, and inventory; ensure site cleanliness and professionalism.

Skills

Site supervision

Blueprint reading

Leadership

Safety regulations

Time management

Construction software

OSHA certification

Driver's license

Education

Construction Management degree

Tools

Construction management software

Mobile reporting tools

Job description

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?

Founded by Eric Chinburg in 1987, Chinburg Properties is a dynamic and growing company based in the Seacoast region of New Hampshire with projects and properties in NH, ME, and VT. Over nearly four decades, the company has evolved from a small business into one of the most trusted names in quality development, building, renovation, construction management and property management. Chinburg's success is rooted in building strong relationships—with customers, employees, and business partners alike.

Chinburg is known for its innovative development philosophy and commitment to incorporating best practices, including a strong focus on green building principles. Our expanding team includes professionals from diverse educational backgrounds. In recent years, we’ve welcomed top talent from respected institutions such as Northeastern University, Wentworth Institute of Technology, and the University of New Hampshire, MIT. On our team, we have experienced professionals from many industries and trade certifications. College of Engineering. We have a strong focus on professional development.

At our core, Chinburg remains a family-founded business, and we continue to embrace new employees as part of our extended family. We value individuals who bring warmth and confidence, along with grit and determination, to our team.

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

• Associate’s or Bachelor’s degree in Construction Management or related field preferred.
• Minimum of five (5) years of progressive commercial construction experience, including field supervision responsibilities.

Additional Requirements

• Regular and reliable attendance is essential.
• Demonstrates professionalism, cooperation, and respect in all interactions.
• Complies with all company policies and acknowledges understanding of Chinburg Code of Safety Practices.
• Completes required training programs as assigned.

Work Environment

This position is primarily field-based and regularly exposed to outdoor elements, noise, dust, and heavy equipment. Extended hours, weekend work, and limited travel may be required based on project demands.

Essential Physical Demands:

• NA (Not Applicable)
• Seldom (1-10% of the time)
• Occasional (10-30% of the time)

• Frequent (30-70% of the time)
• Constant (over 70% of the time)

Sitting - Frequent, Climbing ladders - Occasional, Standing - Frequent, Working at heights/balancing - Occasional, Walking - Frequent, Bending/twisting at waist - Frequent, Driving/Forklift - Seldom, Kneeling/Squatting/Crouching - Occasional, Lifting <25# - Occasional, Crawling - Seldom, Lifting 25-50# - Occasional, Reaching above shoulder - Frequent, Lifting >50# - Occasional, Repetitive hand/arm movement - Constant, Carrying <25# - Occasional, Handling/Grasping - Occasional, Carrying 25-50# - Occasional, Fine finger manipulation - Constant, Carrying >50# - Occasional, Seeing - Constant, Pushing/Pulling - Seldom, Hearing - Constant, Climbing stairs - Frequent, Talking - Constant

The above statements are intended to describe the general nature and level of work performed. This job description does not represent an exhaustive list of all responsibilities, duties, and skills assigned to this position. This position description is not intended as and does not create a contract of employment between the company and any individual employee. The company reserves the right to change this position description at any time within its sole discretion.

Equal Opportunities:

Chinburg is an Equal Employment Opportunity Employer that is committed to diversity, equity, and inclusion. We take unbiased action to offer employment and advancement opportunities to all applicants, without attention to race, color, religion, sex, sexual orientation, gender identity, national origin, veteran, or ability status. Our methods for hiring include ensuring that all available opportunities are fairly promoted — via online globally available channels — in a manner accessible to all potential applicants.