Senior Scientist, Mass Spectrometry

• Job title Senior Scientist, Mass Spectrometry
• Function Discovery & Pre-Clinical/Clinical Development
• Sub function Chemical Research
• Category Experienced Scientist, Chemical Research (ST5)
• Location Raritan / United States of America
• Date posted Aug 15 2025
• Requisition number R-028725
• Work pattern Fully Onsite

This job posting is anticipated to close on Aug 22 2025. We may however extend this time period, in which case the posting will remain available on www.careers.jnj.com to accept additional applications.

Description

At Johnson & Johnson, we believe health is everything. Our strength in healthcare innovation empowers us to build a world where complex diseases are prevented, treated, and cured, where treatments are smarter and less invasive, and solutions are personal. Through our expertise in Innovative Medicine and MedTech, we are uniquely positioned to innovate across the full spectrum of healthcare solutions today to deliver the breakthroughs of tomorrow, and profoundly impact health for humanity. Learn more at

Job Function:

Discovery & Pre-Clinical/Clinical Development

Job Sub Function:

Chemical Research

Job Category:

Scientific/Technology

All Job Posting Locations:

US121 NJ Raritan - 1000 Highway 202 S

Job Description:

At Johnson & Johnson, we believe health is everything. Our strength in healthcare innovation empowers us to build a world where complex diseases are prevented, treated, and cured, where treatments are smarter and less invasive, and solutions are personal. Through our expertise in Innovative Medicine and MedTech, we are uniquely positioned to innovate across the full spectrum of healthcare solutions today to deliver the breakthroughs of tomorrow, and profoundly impact health for humanity. Learn more at .

Fueled by innovation at the intersection of biology and technology, we're developing the next generation of smarter, less invasive, more personalized treatments.

Are you passionate about improving and expanding the possibilities of surgery? Ready to join a team that's reimagining how we heal? Our Surgery team will give you the chance to deliver surgical technologies and solutions to surgeons and healthcare professionals around the world. Your contributions will help effectively treat some of the world's most prevalent conditions such as obesity, cardiovascular disease and cancer. Patients are waiting.

Your unique talents will help patients on their journey to wellness. Learn more at

#Li-Hybrid #LI-RP1

Ethicon Research & Development, a member of Johnson & Johnson's Family of Companies, is recruiting for a Senior Scientist, Mass Spectrometry to be located in Raritan, NJ.

We offer a broad range of products, platforms and technologies-including sutures, hemostasis products, breast implant, surgical staplers, trocars, energy devices and synthetic mesh devices. These products are used in a wide variety of open and minimally invasive surgical procedures. We combine the products and services of two market leading legacy companies, both with long histories of medical innovation. Ethicon, Inc. based in Raritan, New Jersey, was founded more than 80 years ago as a pioneer in suture development and manufacturing, helping to transform the safety and efficiency of surgery.

You will become part of the Analytical Characterization team in partnership with the company's Research and Development organization. You are expected to cultivate strong team collaboration with other analytical associates in techniques such as NMR, FTIR, and Gel Permeation Chromatography.

Key Responsibilities:

• Apply state-of-art Mass Spectrometry techniques including GC/MS, LC/MS, and ICP/MS to support research and development
• Identify trace unknown impurities in complex polymer matrices, degradation products of polymer systems, small molecule-polymer interaction products
• Conduct extractable/leachable studies
• Maintain Mass Spectrometers
• Interpret test results and author scientific reports
• Collaborate with inter-disciplinary colleagues such as toxicologists, engineers, polymer chemists, etc.

QUALIFICATIONS

Education:

• PhD with minimum one year industry experience is preferred
• Ph.D. in Chemistry is highly preferred
• Masters degree with 4 years of industry experience

Required Skills & Experience:

• Possess in-depth knowledge of Mass Spectrometry principles and have proven hands-on problem-solving experience with chemical systems
• Experience with instrument maintenance and troubleshooting
• Display passion for science and innovation
• Love to solve problems with analytical technologies and chemistry knowledge
• Like to work in a team environment that embraces change and continuous technical improvement
• Have good interpersonal relationship and people skills
• Have excellent oral & written communication skills

Preferred Skills & Experience:

• Familiarity with FTIR and other spectroscopic techniques
• Experience with synthetic polymer characterization
• Familiarity with synthetic polymer chemistry

Other:

• This position is located in Raritan, NJ and requires up to 10% travel

Johnson & Johnson is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, age, national origin, disability, protected veteran status or other characteristics protected by federal, state or local law. We actively seek qualified candidates who are protected veterans and individuals with disabilities as defined under VEVRAA and Section 503 of the Rehabilitation Act.

Johnson and Johnson is committed to providing an interview process that is inclusive of our applicants' needs. If you are an individual with a disability and would like to request an accommodation, please email the Employee Health Support Center (...) or contact AskGS to be directed to your accommodation resource.

Johnson & Johnson is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, age, national origin, disability, protected veteran status or other characteristics protected by federal, state or local law. We actively seek qualified candidates who are protected veterans and individuals with disabilities as defined under VEVRAA and Section 503 of the Rehabilitation Act.

Johnson and Johnson is committed to providing an interview process that is inclusive of our applicants' needs. If you are an individual with a disability and would like to request an accommodation, please email the Employee Health Support Center (...) or contact AskGS to be directed to your accommodation resource.