MatTek is always recruiting new team members to help us serve our growing customer base and develop innovative products and applications to meet the needs of researchers across multiple industries. If you are a team player with the energy to keep up with a growing tech company, we want to hear from you!

Why MatTek?

  • We’re bringing #betterscience into the mainstream with engineered human tissues that replace laboratory animals.
  • We’re constantly developing new tissue models, assays, and technologies to improve testing capabilities.
  • We’re helping to advance scientific breakthroughs that get therapies to patients faster and improve the safety of consumer products.

We’re expanding!

  • We have sweet new labs.
  • We’re developing and launching new products and services.
  • We have a strong tradition of internal promotion and give our people opportunities to grow.

Competitive Benefits

  • We have a culture based on teamwork and supporting each other to get the job done.
  • We believe in work-life balance – it’s one of our core values.
  • We offer Cigna healthcare with a 100% company-paid deductible.
  • We offer a generous, matched 401k too!
  • We like it here! We want our people to love the work they do and enjoy coming to work every day.

Open Positions:

Description: Participates in duties associated with manufacturing of MatTek tissue models according to SOPs where applicable. May also perform duties assigned under Laboratory Assistant as needed.

Reporting structure:  Works under the direction of more senior Associates and the Laboratory Supervisor/Manager.  Reports directly to the Laboratory Supervisor/Manager or Scientist/Senior Scientist.


  • Prepare media and supplements
  • Trypsinize and count cells
  • Feed tissues and cells using sterile technique and attention to detail
  • Package tissues for shipping
  • Ship product –pack shipping boxes, and ensure contents are consistent with MAOs

Qualifications and experience:

  • Bachelor’s degree in Biology or equivalent with no previous work experience or Associate’s degree in Biology or equivalent with 2+ years of hands-on cell culture experience
  • Basic knowledge of mammalian cell culture
  • Basic knowledge of aseptic technique
  • Incumbent employee who has advanced from the Laboratory Assistant role

MatTek offers a competitive salary and a comprehensive benefits package.

Please forward resume to:


In this full-time role, you will perform routine and miscellaneous basic tasks related to maintenance of the laboratories and associated equipment, reagents and supplies, according to SOPs, where applicable.


  • Prepare buffers and simple daily supplements
  • Record during media or supplement preparation following data recording practices
  • Maintain a fully stocked lab
  • Clean and maintain equipment according to the designated schedule
  • Assist in shipping tissue products
  • Maintain a clean and orderly lab space
  • Assist in dish washing and autoclaving of supplies
  • Prepare shipping boxes
  • Assist Production Associates as requested
  • Participate in daily QC recording of equipment
  • Check and fill liquid nitrogen dewars
  • Must be able to work Mon-Fri along with some holidays and Saturdays on a rotating schedule

Job Requirements

  • High School Diploma or GED

MatTek Life Sciences offers a generous benefits package including a 100% company-paid health insurance deductible!  Also, an amazing 401(k) company match! Please send your resume to