Demo

Senior Research Associate, Process Development

Obsidian Therapeutics
Bedford, MA Full Time
POSTED ON 12/17/2025
AVAILABLE BEFORE 1/18/2026
About Us…

Obsidian Therapeutics is pioneering engineered cell and gene therapies to deliver transformative outcomes for patients. Obsidian’s programs apply our CytoDriveTM technology in Cell and Gene therapy products to control expression of proteins for enhanced therapeutic efficacy and safety. Obsidian’s lead program is currently in preclinical development for the treatment of patients with metastatic melanoma and other solid tumors.

We’re proud of our diverse talented team and committed to cultivating an environment of inclusion where each person feels a strong sense of belonging and is supported to continuously learn and contribute their best work. Our Research team is based in the heart of Cambridge, MA, and Technical Operations team is based in our brand-new facility in Bedford, MA. Obsidianites enjoy a highly collaborative culture, competitive salary and benefits, and potential for ownership through stock options.

Our Opportunity…

We’re looking for a highly motivated, flexible, and collaborative Senior Research Associate with experience in, and a passion for—cell culture and process development. Based at our Bedford, MA location, you’ll contribute to developing and characterizing manufacturing processes for cell therapy products targeting cancer. You’ll be a vital part of a highly collaborative Technical Operations team, working to achieve Obsidian’s vision by translating innovative science into medical breakthroughs for patients, starting with our lead program, OBX-115—a novel engineered tumor-infiltrating lymphocyte (TIL) therapy.

This is a unique opportunity to expand the reach of TIL therapy and deliver transformative outcomes for patients suffering from solid tumor malignancies. As a contributor in a well-funded clinical company with blue-chip investors, field-leading advisors, best-in-class partners, and an experienced team, you’ll help us build a dynamic, innovative, passionate, and successful organization focused on delivering transformative therapies in areas of greatest clinical need.

You Will…

  • Execute carefully planned process development and characterization experiments with engineered T-cells to define, optimize, and understand the processes for clinical manufacturing.
  • Support lab functions - including shared roles in maintaining reagent supplies, restocking consumables, equipment maintenance, and lab organization.
  • Perform in-process assays to measure cell number and characterize drug product using flow cytometry and other techniques.
  • Maintain cell cultures and cell banks as needed to support experimental work.
  • Interpret results, troubleshoot technical hurdles, and propose solutions to the team.
  • Present study results internally to project teams, management, and scientific teams.
  • Use independent judgement to solve problems within standard scope of work.
  • Contribute to completion of technical tasks to meet individual and team goals, working under minimal supervision for routine tasks, and direct supervision for more complex tasks.
  • Maintain excellent records of experiments in electronic lab notebooks in a timely manner.
  • Collaborate effectively across Obsidian organization.
  • Master techniques and protocols to effectively, efficiently, and independently execute routine technical tasks.
  • Develop an understanding of the experimental objectives and underlying science to effectively troubleshoot technical issues and report results.
  • Maintain a safe work environment in accordance with policies, procedures, and regulations.

You Bring…

Core Qualifications

  • BS or MS degree in chemical engineering, biochemical engineering, biology or relevant field, with 2-5 years of experience in biotech/pharma setting.
  • Experience with cell culture techniques, preferably T-cell (or other immune cells).
  • Experience with cell therapy process development in industry, preferably with some late-stage experience (development and/or characterization of pivotal or commercial process).
  • Excellent communication skills.
  • Scientific rigor and attention-to-detail in the execution, analysis, and troubleshooting of experiments.
  • Strong record-keeping and organizational skills, including an ability to manage multiple responsibilities in parallel. 
  • Scientific curiosity and a track record of self-directed learning.

Bonus Qualifications

  • Basic knowledge of immunology and experience working with immune system cells.
  • Experience with culture of mammalian cells in small -scale and large-scale bioreactor systems (e.g. G-Rex, Xuri) and associated control strategies and automation.
  • Experience with design of experiment (DOE) approaches and statistical analysis of data; familiarity with JMP is desirable.

Obsidian is committed to equitable and transparent pay practices.

The anticipated base salary range for this role is below. The actual base salary offered will be determined based on a combination of factors, including applicable qualifications, level of education, the depth of experience, unique skills, geographic location, internal equity, and/or business needs. The actual base salary offered will be in accordance with federal, state, and/or local wage requirements for the role’s location.

Our competitive compensation package includes an annual incentive bonus as a percentage of actual base salary and long-term incentives in the form of employee stock options, both of which are commensurate with the role’s level. We also offer a generous benefits package which includes comprehensive medical, dental, and vision coverage; company contributions to health savings and retirement accounts; ample paid time off; access to wellness programs; and rich career growth opportunities.

Anticipated Base Salary Range

$84,000—$102,500 USD

Obsidian is proud to be an equal opportunity employer, cultivating a welcoming and diverse environment. All applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, veteran status or any other applicable legally protected characteristics.

Salary : $84,000 - $102,500

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 Senior Research Associate, Process Development?

Sign up to receive alerts about other jobs on the Senior Research Associate, Process Development career path by checking the boxes next to the positions that interest you.
Income Estimation: 
$102,775 - $137,396
Income Estimation: 
$153,127 - $203,425
Income Estimation: 
$139,626 - $193,276
Income Estimation: 
$164,650 - $211,440
Income Estimation: 
$130,030 - $173,363
Income Estimation: 
$102,775 - $137,396
Income Estimation: 
$153,127 - $203,425
Income Estimation: 
$139,626 - $193,276
Income Estimation: 
$164,650 - $211,440
Income Estimation: 
$130,030 - $173,363
View Core, Job Family, and Industry Job Skills and Competency Data for more than 15,000 Job Titles Skills Library

Job openings at Obsidian Therapeutics

  • Obsidian Therapeutics Cambridge, MA
  • About Us… Obsidian Therapeutics is pioneering engineered cell and gene therapies to deliver transformative outcomes for patients. Obsidian’s programs apply... more
  • 13 Days Ago

  • Obsidian Therapeutics Cambridge, MA
  • About Us… Obsidian Therapeutics is pioneering engineered cell and gene therapies to deliver transformative outcomes for patients. Obsidian’s programs apply... more
  • 16 Days Ago

  • Obsidian Therapeutics Cambridge, MA
  • About Us… Obsidian Therapeutics is pioneering engineered cell and gene therapies to deliver transformative outcomes for patients. Obsidian’s programs apply... more
  • 4 Days Ago


Not the job you're looking for? Here are some other Senior Research Associate, Process Development jobs in the Bedford, MA area that may be a better fit.

  • Integrated Resources INC Billerica, MA
  • Company Description Integrated Resources, Inc., is led by a seasoned team with combined decades in the industry. We deliver strategic workforce solutions t... more
  • 2 Months Ago

  • Applied Research Solutions Bedford, MA
  • Applied Research Solutions has a new role an Executive Business Process Specialist supporting the Air Force Life Cycle Management Center (AFLCMC) / PEO Dig... more
  • 21 Days Ago

AI Assistant is available now!

Feel free to start your new journey!