Corporate Overview


The success of CIL is dependent on the talent, collaboration and dedication of its employees. It is through their commitment to providing quality isotope products and service to its customers that CIL is recognized as the world’s premier producer of stable isotope-labeled compounds and a world leader in the field of stable isotope separations.

As the leading company in a niche scientific market, CIL supplies over 15,000 products to 30,000 research customers around the world and works with cutting edge researchers in clinical diagnostics, metabolic research, quantitative proteomics, environmental testing, protein discovery, nuclear medicine, drug development, metabolomics and industrial research. CIL has had consistent growth and profitability for 35 years. CIL's growing customer base spans academia, pharmaceutical, and industry, enabling collaborations with Nobel laureates, industry-leading scientists, and chemists. CIL partners with leading instrument manufacturers as well as pioneering research groups that have expertise in product development and drive market growth.
Cambridge Isotope Laboratories, Inc., with headquarters in Tewksbury, MA, is the world’s premier producer of stable isotope labeled compounds and a world leader in the field of stable isotope separations. CIL has 450 employees with laboratories in the U.S., Canada, France and Germany.
  • Benefit Programs
  • Diversity

An important factor in your consideration of career opportunities with any company must be the portion of your total compensation. As a CIL employee, you receive more than just a paycheck. Total compensation includes your pay (base salary), benefit programs like health & dental insurance, life insurance, retirement plans and other forms of recognition.

Benefits we offer:

  • Health & Dental Insurance
  • Life and Accidental Death Insurance
  • Short-term Disability Insurance
  • Long-term Disability Insurance
  • Flexible Spending Account (FSA)
  • Dependent Care
  • Health Reimbursement Account (HRA)
  • 401k Plan
  • Employee Assistance Program (EAP)
  • Tuition Reimbursement Program
  • Health Club Reimbursement
  • Long-term Incentive Program
  • Sales Bonus Plan
  • Sabbatical Leave
  • Vacation Time
  • Sick, Personal and Paid Holiday

Our Commitment to Diversity

Cambridge Isotope Laboratories, Inc. (CIL) and Cambridge Isotope Separations, Inc. (CIS) have a long-standing commitment to equal opportunity. Our employees represent a talented and diverse workforce.

CIL and CIS recruit, hire, compensate, train and promote individuals without regard to race, ancestry, color, religion, sex, age, national origin, veteran status, marital status, pregnancy, disability, sexual orientation, gender identity, genetic information and any other legally protected status. Furthermore, we take affirmative action to recruit and hire qualified women, minorities, individuals with disabilities and veterans. For qualified people with disabilities, CIL and CIS make workplace accommodations that comply with applicable laws and which are determined to be reasonable and needed for effective job performance. Every employee at CIL and CIS is expected to abide by our policy and all applicable laws on this subject, and to uphold our commitment to workforce diversity. Furthermore, in respecting and valuing the diversity among our employees, as well as that of prospective employees and all those with whom we do business, employees and managers are expected to ensure a working environment that is free of all forms of harassment.

Joel Bradley, PhD
Chairman and CEO
Cambridge Isotope Laboratories, Inc. and
Cambridge Isotope Separations, Inc.



Careers | Cambridge Isotope Laboratories, Inc.
cGMP, Lab Technicians
Apply today to begin your career in providing world-class stable isotope labeled compounds, products and separations to thousands of leading researchers.