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Senior Lab Assistant Jobs in Worcester, MA (NOW HIRING)

... also assist in procedures on experimental animals. Be proficient and independent in molecular ... Perform lab management duties including ordering and maintaining supplies and equipment ...

... lab results. - Schedules infusion related services utilizing OptIn scheduling support system ... as a Senior Practice Assistant , where you'll play a vital role supporting compassionate ...

Sr. Practice Assistant

Newton, MA · On-site

$19.37 - $27.71/hr

... lab results. - Schedules infusion related services utilizing OptIn scheduling support system ... as a Senior Practice Assistant , where you'll play a vital role supporting compassionate, high ...

Train and supervise junior lab personnel, ensuring staff is trained in current methodology and ... Prepare and present data for publication in public forums. * Assist in the preparation of grant ...

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Showing results 1-20

Senior Lab Assistant information

See Worcester, MA salary details

$28.9K

$81.1K

$165.1K

How much do senior lab assistant jobs pay per year?

As of Aug 4, 2026, the average yearly pay for senior lab assistant in Worcester, MA is $81,074.00, according to ZipRecruiter salary data. Most workers in this role earn between $45,900.00 and $106,800.00 per year, depending on experience, location, and employer.

What does a senior lab assistant do?

A senior lab assistant oversees laboratory operations, assists with experiments, maintains equipment, and ensures safety protocols are followed. They often train junior staff, record data accurately, and may prepare samples or reagents using specialized tools and techniques.

How much does a senior lab assistant get paid?

A senior lab assistant typically earns between $40,000 and $60,000 annually, depending on experience, location, and industry. They often require technical skills, familiarity with laboratory equipment, and sometimes certifications, which can influence salary levels.

What is a senior lab assistant?

A senior lab assistant is a laboratory professional responsible for supporting scientific experiments, preparing materials, maintaining equipment, and ensuring safety protocols are followed. They often have more experience and may supervise junior staff or assist with complex tasks, requiring knowledge of lab procedures and sometimes specialized certifications.

What is the difference between Senior Lab Assistant vs Lab Technician?

AspectSenior Lab AssistantLab Technician
Required CredentialsHigh school diploma, some certifications, experienceAssociate's or Bachelor's degree in science or related field
Work EnvironmentLaboratories, research facilities, educational institutionsLaboratories, hospitals, research centers
Employer & Industry UsageEducational, research, healthcare settingsHealthcare, research, manufacturing industries
Common Search & Comparison IntentUnderstanding seniority, responsibilities, qualificationsJob duties, qualifications, career progression

The Senior Lab Assistant typically has more experience and may hold additional certifications, taking on supervisory or specialized roles. The Lab Technician usually has formal education like an associate's or bachelor's degree and performs technical laboratory tasks. Both roles work in similar environments, but the Senior Lab Assistant often supports more complex projects or oversees junior staff.

What cities near Worcester, MA are hiring for Senior Lab Assistant jobs? Cities near Worcester, MA with the most Senior Lab Assistant job openings:
Infographic showing various Senior Lab Assistant job openings in Worcester, MA as of July 2026, with employment types broken down into 1% As Needed, 71% Full Time, 24% Part Time, 1% Temporary, and 3% Contract. Highlights an 98% Physical, 1% Hybrid, and 1% Remote job distribution, with an average salary of $81,074 per year, or $39 per hour.

Senior Lab Technician (Weekdays) - Spencer, MA

FLEXcon Company

Spencer, MA

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 3 days ago


Job description

THE FLEXCON EXPERIENCE

Imagine...working for a company that knows that its people are the key to its success in the marketplace. A company in which achieving extraordinary results and having a stimulating work experience are part of the same process. We recognize that people with diverse backgrounds, experiences and perspectives fuel our growth and enrich our global culture. We are looking for an individual who enjoys working in a fast-paced, team-oriented environment, likes to be challenged, and values the opportunity to make a difference. When you work at FLEXcon you can get involved in community related activities, lean manufacturing, and continuous improvement programs, FLEXcon Learning Academy, and much more!

POSITION SUMMARY    

As a global leader in the development of coated and laminated films and adhesives, Flexcon is looking for a Senior Lab Technician to join the New Product Development team at its headquarters in Spencer, Massachusetts.  The Senior Lab Technician performs tests and analyses in Flexcon’s Research and Development Test Laboratory.  The Senior Lab Technician provides support for Product Development scientists and engineers in the Research and Development team and other departments within the company.  Thorough understanding of all safety and testing procedures required.  Responsibilities include, but is not limited to, sample preparation and/or retrieval, performing necessary evaluation(s) of material based on defined requirements, equipment maintenance and quality control measures, and documenting clear and accurate records of lab testing results.  Follows safe work protocols and always maintains work area in a clean and orderly manner.  Senior Lab Technician work involves independent work, supports management of change projects, involvement in product development record labs (PDRs), trial observations and participation, potential interaction within the production teams, as well as mentoring new team members. 

MINIMUM KNOWLEDGE, EDUCATION AND SKILL REQUIREMENTS:

    • Two-year technical degree or associates degree and/or 3-5 years relevant work experience in a lab environment with a focus on analytical testing is required.           
    • Well-organized with a strong teamwork attitude, working independently as well as within a diverse team is required.
    • Strong, proper communication skills are a must both in written and verbal form. 
    • Must be able to read and comprehend written instructions.
    • Math skills are essential and must demonstrate the ability to correctly analyze data/results and interpret outcomes of testing to propose appropriate follow-up with supervision.
    • Prepares high quality, detailed and accurate lab records.
    • Fluent in Microsoft Office Suite applications (primarily Excel, Word, and Teams) as well as experience with using electronic notebooks to log lab data is required. 
    • Must be able to perform fine motor functions, such as measuring material to 1/100 of an inch
    • Well versed in using and maintaining laboratory equipment for testing and assists with regulatory documentation.
    • Requires keen observation skills, good manual dexterity, and ability to work with chemicals (able to wear a face mask and adhere to chemical safety protocols). 

 DUTIES AND RESPONSIBILITIES:

    • Successfully performs all the duties and responsibilities of Lab Technician.
    • Adheres to all pre-defined procedures and policies and references them accordingly to conduct standard testing.
    • Possesses the technical ability to assist in the design and execution of non-routine testing.
    • Writes and updates test methods and can write and publish trial reports and trial order fact sheets with chemist direction.
    • Requests lab samples and prepares sample materials according to procedures to test their properties.
    • Independently recommends tests to identify unknown samples and uses lab test methods to determine the root cause of material failures.
    • Can quantify acceptable performance range for a material and can make pass/fail decisions based on pre-established limits.  Proactively identifies potential problems and brings forth resolutions.
    • Produces clear and accurate records of test results with strong conclusions tied to the purpose of the testing.  Documents data in the electronic lab notebook.
    • Consistently communicates data-driven concerns to key stakeholders in a timely manner.
    • Performs ASTM literature searches to complete specification testing requests.
    • Ability to plan, prioritize, and execute daily tasks based upon workload while coordinating with teammates and addressing conflicts with management.
    • Participates as an observer on trials and provides observations to chemists to help guide decisions.
    • Works daily with confidential information.
    • Calibrate and maintain laboratory equipment to ensure high quality data is generated.  Troubleshooting of analytical instrumentation with support.
    • Identifies risks that are outside the circle and takes initiative to solve the problem either independently or in collaboration with others.
    • Other duties consistent with the general nature and focus of the position and/or the goals and objectives of the department may be assigned.

What’s in it for YOU? 

  • Competitive Compensation & Annual Bonus Program  
  • Medical, Dental, Vision, and Life Insurance 
  • Tuition Reimbursement Program 
  • 401K Match  
  • Casual Work Environment 
  • Career Development Opportunities   
  • And more!   
At Flexcon, we offer a comprehensive compensation and benefits package that includes base salary, healthcare coverage (medical, dental, and vision), life and disability insurance, 401(k) with company match, paid time off, wellness programs, and tuition assistance. Based on region, the expected hourly wage for this position is $21.63 - 35.00. The posted salary range is intended to provide a general idea of compensation. Actual compensation may vary depending on experience and other job-related factors. We take regional market differences into consideration to ensure fair and competitive pay in each area.By applying to this job and providing your mobile number, you are agreeing to receive an initial text from Flexcon, which you will have the ability to opt out of upon receipt. Message and data rates may apply. Message frequency varies. Equal Opportunity Employer/Protected Veterans/Individuals with DisabilitiesÂ