Part Time Master Plumber Jobs in Boston, MA (NOW HIRING)

Job Title: Master Plumber – HVAC Service Technician (Field Service)

Job Description

This role offers a flexible, part-time opportunity for a highly skilled, Massachusetts-licensed master plumber to work approximately 15 hours per month as an HVAC service technician in the field. You diagnose, repair, and maintain plumbing and HVAC-related systems at residential and commercial client sites, operating independently while delivering excellent customer service and representing the company professionally.

Responsibilities

• Diagnose, troubleshoot, and repair plumbing systems, including water lines, fixtures, drainage systems, and water heaters.
• Service HVAC-related components connected to plumbing systems, such as boilers, hydronic systems, and condensate lines.
• Perform preventive maintenance, repairs, and replacements on residential and commercial plumbing and HVAC systems.
• Review and interpret plumbing codes and blueprints to ensure compliant and accurate installations and repairs.
• Install, modify, and upgrade plumbing and related mechanical systems in alignment with construction and project requirements.
• Support construction management activities by coordinating plumbing and HVAC-related work with other trades as needed.
• Handle emergency service calls and urgent repairs, providing timely and effective solutions in the field.
• Document work performed, communicate findings and recommendations to clients, and maintain clear records of service activities.
• Operate independently in the field, managing your schedule within the flexible hours provided while maintaining a strong customer-first approach.

Essential Skills

• Active Massachusetts master plumber license.
• Proven experience as a master plumber working on residential and/or commercial systems.
• Strong knowledge of plumbing systems, including water lines, fixtures, drainage systems, and water heaters.
• Hands-on experience servicing HVAC-related components tied to plumbing systems, such as boilers, hydronic systems, and hydronic piping.
• Ability to diagnose, troubleshoot, and repair complex plumbing and HVAC-related issues in the field.
• Proficiency in reading and interpreting blueprints and construction documents.
• Solid understanding of applicable plumbing codes and regulations, with the ability to perform code-compliant work.
• Capability to work independently in a field service environment while maintaining high standards of safety and professionalism.
• Strong customer service skills and a customer-first mindset when interacting with residential and commercial clients.

Additional Skills & Qualifications

• Experience as a plumber pipefitter or in similar mechanical trades.
• construction management or coordination with other trades on construction projects.
• Familiarity with installation, maintenance, and repair best practices for both plumbing and HVAC-related systems.
• Ability to manage flexible, part-time hours and prioritize service calls effectively.
• Strong communication skills for explaining technical issues and solutions to clients in a clear and professional manner.

Why Work Here?

You benefit from a highly flexible work arrangement, with approximately 15 hours per month that you can schedule at times that work best for you. This structure supports work–life balance while allowing you to apply your expertise in a focused, impactful way. You work in a professional field service environment where your technical skills and independence are valued, and where delivering quality service and customer satisfaction is a clear priority.

Work Environment

This is a field-based role with work performed primarily on the road at residential and commercial buildings. You travel to various client sites to service plumbing and HVAC-related systems, often working independently in diverse building environments. The position offers flexible hours, allowing you to complete the required 15 hours per month at times that align with your schedule, while still meeting client and service needs.

This is a Permanent position based out of Braintree, MA.

The pay range for this position is $104000.00 - $104000.00/yr.

Individual compensation offered for this position within this range will depend on many factors, including qualifications, skills, relevant experience, job knowledge, geographic location, internal equity, and other pertinent job-related factors.

401KHealth DentalVision

This is a fully onsite position in Braintree,MA.

This position is anticipated to close on Sep 4, 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.