Caulker

Job Title:

Caulker Job Description The caulker installs 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. 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. Essential Skills Commercial construction experience with prior work on large‑scale or multi‑trade job sites. Demonstrated knowledge of sealants, including silicone, polyurethane, firestop, hybrid, fire‑rated, and specialty sealant systems. Strong manual dexterity with the ability to apply smooth, consistent beads and achieve professional tooling finishes. Physical ability to lift 50+ pounds, climb ladders, work on lifts and scaffolding, and perform tasks in outdoor conditions. Solid understanding of commercial job‑site hazards, personal protective equipment (PPE) requirements, and safety practices. Ability to identify leaks, gaps, and substrate issues that impact waterproofing performance and require corrective action. Competence in reading and interpreting blueprints, commercial drawings, waterproofing details, and sealant schedules. Skill in operating caulking guns, pumps, grinders, lifts, and related construction tools safely and effectively. Additional Skills & Qualifications Experience installing and finishing vertical and horizontal expansion joint systems in commercial structures. Familiarity with ASTM standards and commercial specification requirements related to sealants and waterproofing. Attention to detail in surface preparation, masking, joint depth, and tooling for a high‑quality finished appearance. Ability to work efficiently in a fast‑paced environment while maintaining high safety and quality standards. Strong communication skills to collaborate with multiple trades and site supervision on active projects. 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. Job Type & Location This is a Contract to Hire position based out of Natick, MA. Pay and Benefits 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) Workplace Type This is a fully onsite position in Natick,MA.

Application Deadline This position is anticipated to close on Jun 12, 2026. About Aerotek 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 meets 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 solving for 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. 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.