Demo

Upstream Process Development Co-Op

Keros Therapeutics
Lexington, MA Full Time
POSTED ON 9/18/2026
AVAILABLE BEFORE 10/17/2026
At Keros, our mission is to deliver significant clinical benefit to a wide range of patients with disorders that are linked to dysfunctional signaling of the transforming growth factor-beta (TGF-ß) family of proteins. With a focus on developing differentiated product candidates that are designed to alter TGF-β signaling, we aim to target the pathways critical for the growth, repair and maintenance of blood cells and a number of tissues, including bone, skeletal muscle, adipose and heart tissue. We believe our product candidates have the potential to unlock the full therapeutic benefits of modulating the TGF-β superfamily and provide disease-modifying benefit to patients.

Job Summary

This role is responsible for media and feed preparation, execution of experiments for upstream biologics process development, routine daily maintenance of upstream equipment, and experiment data management and analysis. Organizational skills, communication skills, and recordkeeping are also critical to this role.

Primary Responsibilities

  • CHO mammalian cell cultures in shaker flasks, WAVE bioreactors, and benchtop bioreactors
  • Media and feed formulation as needed for experiments
  • Data management and analysis including metabolite, gas, cell count, and titer data
  • Media and feed studies to support process development on early phase programs
  • Scale-down modeling and range finding to support development and program technology transfers
  • Depth filtration filter loading studies to develop cell culture harvest strategies
  • Routine maintenance on upstream equipment to maintain daily functionality

Core Competencies (Required Skills)

  • Familiar with aseptic technique methods
  • Familiar with experiment design
  • Familiar with Microsoft Office, especially Microsoft Excel
  • Technical and scientific writing and presentation skills

Preferred Skills

  • Mammalian cell culture
  • Media and buffer preparation
  • Understanding of basic engineering and biology concepts

Education Requirements

  • Currently enrolled in a chemical engineering, bioengineering, molecular biology or related program to earn a Bachelor of Science degree or equivalent

This pay range represents the base hourly rate or base annual full-time salary for all positions in the job grade within which this position falls. The actual base salary offer will depend on a variety of factors including experience, education, and other relevant factors.

Potential base pay range

$28—$32 USD



Our Diversity, Equity & Inclusion Mission Statement: Keros is an inclusive company. We believe that diversity drives innovation. We continue to build an inclusive culture that encourages, supports, and celebrates the diverse voices of our employees. As such, Keros takes a holistic approach in mentoring, coaching, and developing all of our Keros team members.

Keros Therapeutics is an Equal Opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex including sexual orientation and gender identity, national origin, disability, protected veteran status, or any other characteristic protected by applicable federal, state, or local law.

Recruitment & Staffing Agencies

Keros Therapeutics does not accept unsolicited resumes from any source other than the candidate directly. Any unsolicited submission by an agency to Keros is prohibited. Any resume submitted by an agency without a signed contract or expressed consent by a member of the Keros Therapeutics Human Resources Department, will be considered property of Keros Therapeutics, and no fee shall be owed with respect thereto.

Salary : $28 - $32

If your compensation planning software is too rigid to deploy winning incentive strategies, it’s time to find an adaptable solution. Compensation Planning
Enhance your organization's compensation strategy with salary data sets that HR and team managers can use to pay your staff right. Surveys & Data Sets

What is the career path for a Upstream Process Development Co-Op?

Sign up to receive alerts about other jobs on the Upstream Process Development Co-Op career path by checking the boxes next to the positions that interest you.
Income Estimation: 
$86,269 - $122,182
Income Estimation: 
$101,791 - $133,116
Income Estimation: 
$86,732 - $101,718
Income Estimation: 
$106,100 - $124,886

Sign up to receive alerts about other jobs with skills like those required for the Upstream Process Development Co-Op.

Click the checkbox next to the jobs that you are interested in.

  • Chemical Engineering Skill

    • Income Estimation: $90,621 - $113,932
    • Income Estimation: $110,446 - $140,217
  • Chemical Process Engineering Skill

    • Income Estimation: $90,621 - $113,932
    • Income Estimation: $89,390 - $113,437
Employees: Get a Salary Increase
View Core, Job Family, and Industry Job Skills and Competency Data for more than 15,000 Job Titles Skills Library

Job openings at Keros Therapeutics

  • Keros Therapeutics Lexington, MA
  • At Keros, our mission is to deliver significant clinical benefit to a wide range of patients with disorders that are linked to dysfunctional signaling of t... more
  • 13 Days Ago

  • Keros Therapeutics Lexington, MA
  • At Keros, our mission is to deliver significant clinical benefit to a wide range of patients with disorders that are linked to dysfunctional signaling of t... more
  • 1 Day Ago

  • Keros Therapeutics Lexington, MA
  • At Keros, our mission is to deliver significant clinical benefit to a wide range of patients with disorders that are linked to dysfunctional signaling of t... more
  • 2 Days Ago

  • Keros Therapeutics Lexington, MA
  • At Keros, our mission is to deliver significant clinical benefit to a wide range of patients with disorders that are linked to dysfunctional signaling of t... more
  • 2 Days Ago


Not the job you're looking for? Here are some other Upstream Process Development Co-Op jobs in the Lexington, MA area that may be a better fit.

  • Keros Therapeutics Lexington, MA
  • At Keros, our mission is to deliver significant clinical benefit to a wide range of patients with disorders that are linked to dysfunctional signaling of t... more
  • 2 Days Ago

  • aholddelhaizeusa Quincy, MA
  • Category/Area of Expertise: Co-Ops Job Requisition: 546775 Address: USA-MA-Quincy-1385 Hancock Street Store Code: Sltns Dvlpmnt-Engmnt-Mrkt & Dipla (511877... more
  • 18 Days Ago

AI Assistant is available now!

Feel free to start your new journey!