Firestop Inspector Jobs in Massachusetts (NOW HIRING)

Commercial Laborer

Job Description

We are looking for a commercial laborer/water proofer to install high‑performance sealants and waterproofing systems on large‑scale commercial buildings to ensure the building envelope is airtight, watertight, and compliant with project specifications. This role focuses on commercial sealant installation across exterior façades, interior joints, expansion systems, and specialty assemblies, while maintaining high standards of quality, safety, and craftsmanship on active construction sites. We are looking for someone that has experience in the field and that is looking to continue to grow. This role will offer $25+ for skilled individuals. We are able to interview and have people start as soon as possible.

Responsibilities

• Apply commercial sealants, including silicone, urethane, fire‑rated, polyurethane, firestop, hybrid, and specialty products to windows, curtain walls, precast panels, masonry joints, and penetrations.
• Install and finish vertical and horizontal expansion joint systems for commercial structures, ensuring proper movement capability and long‑term performance.
• Prepare surfaces by cleaning, grinding, priming, and masking substrates in accordance with manufacturer instructions and project specifications.
• Read and interpret blueprints, commercial drawings, waterproofing details, and sealant schedules to determine correct materials, locations, and application methods.
• Operate caulking guns, pumps, grinders, lifts, and scaffolding safely and efficiently to complete work at various heights and locations on the job site.
• Inspect completed joints for proper adhesion, depth, tooling quality, and overall workmanship to ensure compliance with ASTM standards and project requirements.
• Identify leaks, gaps, and substrate issues that require corrective action and communicate findings to supervisors or project leads.
• Follow all applicable safety guidelines, including fall‑protection and site‑specific safety protocols, while working on active commercial construction sites.
• Coordinate and collaborate with other trades and site supervision to sequence work efficiently and minimize rework.
• Maintain a clean and organized work area, tools, and equipment to support productivity and safety.

Why Work Here?

Join a growing waterproofing organization that offers the opportunity to work on diverse, large‑scale commercial projects and develop specialized expertise in building envelope and sealant systems. You will work alongside experienced professionals in a collaborative environment that values safety, craftsmanship, and continuous improvement, providing a strong foundation for long‑term career growth in commercial construction.

Work Environment

Work takes place on active commercial construction sites, including offices, hospitals, schools, warehouses, mixed‑use developments, and other large‑scale buildings. The role involves working at heights on lifts, scaffolding, and exterior façades, as well as on interior joints and expansion systems. The environment is fast‑paced and collaborative, with frequent interaction and coordination with multiple trades and site supervision. Conditions include outdoor exposure, varying weather, and the regular use of construction tools and equipment, with appropriate PPE required at all times.

This is a Contract to Hire position based out of Natick, MA.

The pay range for this position is $25.00 - $33.00/hr.

Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following: • Medical, dental & vision • Critical Illness, Accident, and Hospital • 401(k) Retirement Plan – Pre-tax and Roth post-tax contributions available • Life Insurance (Voluntary Life & AD&D for the employee and dependents) • Short and long-term disability • Health Spending Account (HSA) • Transportation benefits • Employee Assistance Program • Time Off/Leave (PTO, Vacation or Sick Leave)

This is a fully onsite position in Natick,MA.

This position is anticipated to close on Aug 27, 2026.

Aerotek® Inc. provides staffing and services solutions in manufacturing, logistics, construction, aviation, facilities and maintenance. We provide the expertise, solutions and people required to rise to the challenges of North American industry. Headquartered in Hanover, Md., Aerotek operates a unified network of over 200 offices across North America, supporting more than 18,000 clients each year. Aerotek is an Allegis Group company, the global leader in workforce and business solutions. To learn more, visit: Aerotek.com | 1-888-AEROTEK.

Aerotek offers weekly pay, employee benefits including medical, dental & vision, life insurance, health advocacy and employee assistance programs, a 401(k) plan, and employee discounts.

The company is an equal opportunity employer and will consider all applications without regards to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

San Francisco Fair Chance Ordinance:
Pursuant to the San Francisco Fair Chance Ordinance, for all positions located in the city and county of San Francisco, we will consider for employment qualified applicants with arrest and conviction records.

Massachusetts Lie Detector:
It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

Use of Artificial Intelligence (AI):
We may use Artificial Intelligence (AI) to support parts of our hiring process, including sourcing, screening, and evaluating candidates. AI helps assess applications and qualifications, but final decisions are made by our hiring team. By applying, you acknowledge and agree that your application may be reviewed using AI tools.

We know that finding work is hard, and finding meaningful work is harder. Aerotek connects 180,000+ light industrial and skilled trades workers with 14,000+ employers each year, helping our workers navigate an evolving labor market and find jobs that meet their goals, skills, and interests. Since 1983, we have provided a variety of career opportunities across North American industry – from short-term assignments at Fortune 500 companies where you can build your skills, to long-term opportunities where you can play a vital role in solving companies’ construction, manufacturing, and maintenance challenges. Our 1,500+ experienced recruiters across 250+ offices work relentlessly to put our workforce in a position to thrive. Let us rise to meet your challenges and put our people-are-everything spirit to the test as your career continues to grow.