Postdoctoral Researcher

Thermo Fisher Scientific

Posted on: May 22, 2026

Closing: June 21, 2026

Salary: 100,000.00 - 110,000.00 per year

Position Type: Full Time

Job Description

Work Schedule
Standard (Mon-Fri)

Environmental Conditions
Laboratory Setting, Office

Job Description

As part of the Thermo Fisher Scientific team, you'll discover meaningful work that makes a positive impact on a global scale. Join our colleagues in bringing our Mission to life every single day to enable our customers to make the world healthier, cleaner and safer. We provide our global teams with the resources needed to achieve individual career goals while helping to take science a step beyond by developing solutions for some of the world's toughest challenges, like protecting the environment, making sure our food is safe or helping find cures for cancer.

Location

This is a fully onsite role based at our San Jose, CA office.

Discover Impactful Work

At this site, we offer customers a complete range of high-end analytical instruments and software services that support customers within proteomics, clinical research, forensic toxicology, pharmaceutical, biotech, food safety, and environmental market segments. We build market-leading Mass Spectrometry solutions to help our customers advance science. Our products are designed with a customer-oriented mindset to shape the lab of the future by accelerating innovation, developing state-of-the-art technologies, and delivering end-to-end solutions.

As part of the Tribrid Mass Spectrometer Research and Development team, you will contribute to the design and development of technologies critical to supporting Thermo Fisher Scientific's position as the leader in mass spectrometry.

A Day in the Life
  • Conduct leading-edge research and development in the field of mass spectrometry to develop novel technologies to be used with our Quadrupole, Ion Trap and Orbitrap mass analyzers
  • Investigate and explore new ideas and concepts by defining experiments, building, debugging and characterizing prototype instruments in order to verify proof of principle
  • Test and verify new products and product improvements
  • Maintain substantial knowledge of state-of-the-art principles and theories, contributing to scientific literature and conferences

Keys to Success

Education

Bachelor's degree with 5 years of experience; or Master's degree with 2 years of experience; or PhD in Physics, Chemistry, Engineering, or related science

Experience
  • Practical knowledge of high vacuum systems, ion optics, quadrupole, ion trap and Orbitrap analyzers
  • Solid programming skills (Python, Lua, C#, C++)
  • Strong communication and presentation skills
  • Capable of working with multi-disciplinary teams
  • Ability to travel internationally (10%)

Preferred
  • 3+ years of experience working in the field of mass spectrometry, preferably in an R&D capacity within an academic or industry setting, designing and developing analytical instrumentation
  • Experience with ion activation techniques
  • Experience with RF ion trap devices
  • Experience in the analysis of mass spectrometry data
  • Experience with real time instrument control
  • Ability to troubleshoot electronic circuits and instrumentation
  • Working knowledge of ion trajectory simulation and/or fluid dynamics software (SIMION, Comsol Multiphysics, ANSYS)

Other
  • Must be legally authorized to work in the United States without sponsorship now or in the future
  • Must be able to pass a comprehensive background check and drug screen

Compensation and Benefits
The salary range estimated for this position based in California is $100,000.00-$110,000.00.

This position may also be eligible to receive a variable annual bonus based on company, team, and/or individual performance results in accordance with company policy. We offer a comprehensive Total Rewards package that our U.S. colleagues and their families can count on, which includes:
  • A choice of national medical and dental plans, and a national vision plan, including health incentive programs
  • Employee assistance and family support programs, including commuter benefits and tuition reimbursement
  • At least 120 hours paid time off (PTO), 10 paid holidays annually, paid parental leave (3 weeks for bonding and 8 weeks for caregiver leave), accident and life insurance, and short- and long-term disability in accordance with company policy
  • Retirement and savings programs, such as our competitive 401(k) U.S. retirement savings plan
  • Employees' Stock Purchase Plan (ESPP) offers eligible colleagues the opportunity to purchase company stock at a discount

For more information on our benefits, please visit: https://jobs.thermofisher.com/global/en/total-rewards

Thermo Fisher Scientific

Posted on: May 22, 2026

Closing: June 21, 2026

Salary: 100,000.00 - 110,000.00 per year

Position Type: Full Time

Career Focus: Research and Development

This role is part of a curated selection of life science opportunities featured on Xtalks. Employers may request edits or removal here.

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