Thielsch Engineering

Laboratory Technician, Chemistry

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


Who We Are

Thielsch Engineering, Inc. is a 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 with a 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 walls and out in our communities. We strive to be a diverse, equitable, and inclusive workplace. 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.



As the Laboratory Technician to prepare and analyze samples using approved, established SOPs with strict adherence to ESS Laboratory Assurance Manual. It is our mission to provide quality data and exceptional customer service, at a reasonable price. This position will work within the Chemistry department. We perform analyses for potable and non-potable water including, but not limited to, Total Coliform, Fecal Coliform, E. Coli, and Enterococcus by MPN, MF and P/A methods. The employee will perform other basic sample testing and standard lab testing preparations. The position is full time, M-F, 9am -6pm, and based out of the Middleboro, MA office.


Duties and Responsibilities:

  • Prepares and analyze samples using approved, established SOPs with strict adherence to ESS laboratory’s Quality Assurance Manual.  
  • Performs peer review to ensure unimpeachable data quality.  
  • Follow laboratory standard operating procedures (SOPs) in the receipt and handling of sample
  • Preparation of samples, solutions and/or reagents, and bottle preparation.
  • Perform simple analyses or instrument utilization to provide data that will not be directly reported to a client.
  • Perform sample custodial duties including sample inventory upon receipt, sample storage, and sample disposal.
  • Assist with answering phone calls from clients
  • Participates in the management of hazardous waste in a safe and responsible manner
  • Assists chemists and other technicians as needed.
  • Maintains a safe and healthy work environment
  • Works and communicates with personnel of own and other departments to develop a team approach
  • Continually aware of and meets holding time/commitments required by external and internal clients
  • Perform other duties as needed or assigned, including, but not limited to, clerical duties to support the team


Education and Experience:

  • Must have minimum of 8 Chemistry credits
  • 1+ years’ experience working with laboratory instruments is preferred
  • Ability to lift up to 50lbs.
  • High school diploma or equivalent
  • Exceptional attentiveness to detail, with ability to learn and understand technical terms
  • Detail oriented, Ability to prioritize multiple tasks, work effectively with high volumes
  • Effective verbal and written communication skills.
  • Ability to practice discretion and good judgment and maintain confidentiality
  • Must possess good organizational, communication, and time management skills.

Physical Demands

  • Lifting 50lbs
  • Sedentary Work
  • Precision type work
  • Computer input and Typing, Answering phones
  • Acuity, Near – Clarity of vision at 20 feet or more
  • Standing and Walking

Compensation & Benefits

  • Competitive wages
  • Health Care - United HealthCare, Delta Dental and Vision Service Plan
  • Paid holidays and 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.
  • 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.  


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