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 real work-life balance – it’s one of our core values.
  • 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:

Description: Performs all duties associated with the Cultureware Production and Facilities.

Reporting structure:  Reports directly to the President and CEO.


  • Responsible for daily operations of the Cultureware Production and setting the production schedule.
  • Responsible for procurement of raw materials, maintenance of machinery, inventory control, shipping and receiving.
  • Train and mentor staff members.
  • Manage and maintain the systems of a Bio-Tech and manufacturing facility including HVAC, refrigeration, plumbing, electrical and lab equipment, while complying with strict Quality Control guidelines.
  • Coordinate the build out and repurposing of lab space to better fit the company’s objectives.
  • Institute a Hazard Communication Policy as a member of the MatTek Safety Committee.
  • Conduct annual Fire Safety Training, eye washes, and safety showers for the company.
  • Vice Chairman of the Safety Committee.
  • Identify and correct safety deficiencies to OSHA standards.
  • Reduce the operating cost of the facility by hiring new outside contractors, handling repairs in-house and communicating to employees the proper use of equipment to avoid costly downtime.

Qualifications and experience:

  • Experience in Cultureware Production
  • Experience in Facilities Operations
  • Licensed as a Massachusetts Construction Supervisor
  • Minimum OSHA 10 certified
  • Excellent oral and written communication skills
  • Excellent organizational skills

MatTek Life Sciences, the leading manufacturer of 3D human tissues, has an immediate opportunity for a full-time Research Associate or Associate Scientist to join our team.

Key Responsibilities Include:

  • Culture cells used for internal R&D and/or contract studies
  • Independently perform experiments & assays and analyze data under the direction of the Study Director
  • Critically think about the experiment/assay being performed to fully understand the study objective
  • Independently troubleshoot assays
  • Maintain accurate records in the study notebook according to established SOPs
  • Reports directly to the Study director

Required Qualifications:

  • Master’s degree in biology or equivalent with 2+ years or Bachelor’s degree in Biology or equivalent with 5+ years of hands-on cell culture experience and aseptic technique
  • Expertise in Molecular Biology (DNA/RNA isolation/quantification, qPCR); Biochemistry (ELISA/Multiplex cytokine analysis, Western Blot, etc.); Immunohistochemistry and Fluorescent Microscopy
  • Expertise in Microsoft Office (Excel, Word, PowerPoint)
  • The ideal candidate will be a quick learner, able to perform the above tasks routinely and enjoy working in a team environment

Please submit cover letter along with resume to: