Thielsch Engineering

Licensed Plumber/Pipefitter

Job Locations US-MA-Worcester
Position Type
Regular Full-Time


As a Licensed Plumber/Pipefitter, you will work under the direction of company supervisors who will direct your daily activities at client sites.  These activities will include a wide range of mechanical disciplines, such as cutting and threading of pipe, assembling and installing industrial equipment, and fabrication and welding of structural members.  During the course of a normal work week, you may report to several different client sites.    


As a team member you will represent the eyes and ears of the company, effectively communicating technical information, reinforcing high quality workmanship, and positively reinforcing the company safety goals.     


Essential Duties and Responsibilities

  • Arriving at determined job sites on time and in proper condition to perform physical work.
  • Effectively take direction and ability to react to dynamic work environment.
  • Thorough understanding of the safe operation of mechanic position tooling.
  • Physical installation of industrial piping, mechanical equipment, and systems.  
  • Effective communication with supervisor on project regarding productivity, scheduling, and safety issues.
  • Maintain clean work area
  • Complete paperwork in a timely and efficient manner
  • Install, repair, and replace various commercial systems


Safety & Physical Demands

  • Daily OHSA Pre-Work Safety Meetings & Check with on-site crew
  • Adherence to all Safety Standards as outlined within Thielsch Engineering’s Safety Policy
  • Maintenance of OSHA 10 Hour Training
  • Ability to lift weight up to 40lbs in both a vertical and horizontal range of motion, as needed.
  • Ability to crawl, stoop, stand, reach (push/pull) & bend as needed
  • Ability to drive and walk around on job sites, indoor and outdoor environments
  • Ability to ascend or descend on extension ladders, step ladders and stairs using feet and/or hands and arms, as needed.
  • Ability to work in confined or high places.


  • 1 to 3 years’ experience in Industrial environments
  • Experience with mechanical work including pipefitting, sheet metal, and plumbing trades
  • Experience with work in the field with multiple trades
  • OSHA-10 Certified
  • MA plumbing or pipefitting license


  • Ability to read and communicate information from MEP Drawings, As Built Drawings, Schematic Drawings, Equipment Operations & Maintenance Documents, etc.
  • Ability to ensure compliance with applicable codes.
  • Competency in Technology use for Microsoft Windows and Office including Teams, Word, Excel, and Outlook, & iOS/Android Mobile Devices


  • Professional and positive attitude that promotes collaboration with team members
  • Internally motivated and disciplined in approach to work
  • Communicate Effectively: Speak, listen, and write in a clear, thorough, and timely manner using appropriate and effective communication tools and techniques
  • Foster Teamwork: Work cooperatively and effectively with others to set goals, resolve problems, and make decisions that enhance organizational effectiveness
  • Solve Problems: Assess problem situations to identify causes, gather and process relevant information, generate possible solutions, and make recommendations and/or resolve the problem
  • Valid driver’s license with a good driving record is required

Compensation & Benefits

  • Competitive wages
  • Health Care - United HealthCare, Delta Dental and Vision Service Plan
  • Paid holidays, Vacation, Paid Time off (PTO)
  • Employer-paid Employee Stock Ownership Program (ESOP)
  • Employer-paid Life and AD&D insurance; access to short and long-term disability insurance
  • Potential take home vehicle 
  • Tuition reimbursement, Professional development and more! 


Thielsch Engineering, Inc. is an E-Verify participant and will conduct background investigations and pre-employment screening of candidates for employment Pre-employment activities will be conducted on qualified applicants after acceptance of a job offer. 

Thielsch Engineering, Inc. is an employee-owned company and an equal opportunity/affirmative action employer. We welcome applications from all backgrounds regardless of race, color, religion, sex, national origin, ancestry, age, marital status, sexual orientation, gender identity or expression, veteran status, disability, or any other classification protected by law.  


Who We Are

Thielsch Engineering, is an employee-owned, professional engineering firm that provides a complete range of consulting, design, and energy services to customers throughout the United States and internationally. Our multi-disciplined engineering and technical staff specialize in failure analysis, engineering design, process optimization, and condition assessment.  Our work demonstrates how creative collaboration can produce outstanding results for our clients and our communities.

Our Culture

At Thielsch, our customers come from all walks of life -- and so do our employees!  We hire amazing people from a wide variety of backgrounds, not just because it’s the right thing to do, but because it makes our company stronger. We can confidently state that we are successful as a direct result of our diversity.  From day one and throughout your career with us, you’ll find a workplace culture with expansive personal & professional development opportunities, cutting edge technology, a place where relationships are valued, and work/life balance is always a priority.  We are committed to diversity, equity, and inclusion (DEI) within our workplace and in our communities. It is our policy to provide equal employment opportunities (EEO) to all employees and applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, protected veteran status or any other applicable federal or state-protected classification

Holden Mechanical, a subsidiary of Thielsch Engineering, Inc, is a licensed industrial piping and plumbing company located in Worchester, MA., that provides site services to the heavy manufacturing, pharmaceutical and university spaces throughout the region.  Holden Mechanical has a complete range of consulting, design engineering, and field engineering services at their fingertips.  Our work demonstrates how creative collaboration can produce outstanding results for our clients and our communities.


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