Mass Spectrometrist


Clinton, NJ, US

Company:  ExxonMobil

Job Role Summary


The Mass Spectrometrist will champion mass spectrometry technologies and its advanced applications for R&D and business support. In addition, the Mass Spectrometrist will solve problems in the energy industry using mass spectrometry, in combination with adjacent analytical techniques (e.g. NMR, chromatography, optical spectroscopy, elemental analysis).

Major Responsibilities


  • Provide technical leadership and problem solving in the energy transition using mass spectrometry and other analytical approaches (e.g. NMR, chromatography, optical spectroscopy, elemental analysis)
  • Advance research and develop new analytical technologies and methodologies to solve complex technical and scientific problems with creative and independent scientific thinking.  Independently drive and lead scientific, strategic, and operational aspects of studies to completion
  • Develop advanced mass spectrometry methodologies and data analysis strategies to enable R&D and deploy methods and tools to support the business 
  • Utilize analytical capabilities to advance research programs by meeting key program deliverables
  • Provide technical expertise in supporting established test methods as a test method owner
  • Contribute to publications by conducting independent research and collaboratively working within a multidisciplinary matrix environment
  • Operate effectively in a multidisciplinary matrix research environment, providing leadership and insight in the discipline
  • This role demands  significant experience in interacting with both internal and external collaborators
  • Remain current in the field of mass spectrometry through literature, scientific meetings, and seminars
  • Prepare written, verbal, and visual materials for internal presentations and external scientific meetings
  • Familiarity with the analysis of biological materials, such as algae, cellulose, and their conversion products is a plus

Essential Requirements


Ph.D in Analytical Chemistry or related fields; with 2+ years’ experience in mass spectrometry method development. 
A fundamental understanding and proficiency in the operation of different mass spectrometers, including Fourier transform ion cyclotron resonance (FT-ICR), time-of-flight, and quadrupole, etc. with different ionization methods, such as electrospray ionization, field ionization/ field desorption, atmospheric pressure photoionization, matrix assisted laser desorption ionization, etc.
Proficiency in high resolution data analysis and mass spectrometry data interpretation.
Advanced understanding and application of principles, concepts, and practices of analytical chemistry is required. 
Excellent foundation in technical problem solving skills to assist in troubleshooting for sample, method or equipment issues.
Strong behavioral skills such as communication, relationship building, initiative, adaptability, positive attitude, and team building.
Highly self-motivated, with excellent attention to detail and strong organizational and communication (oral and written) skills.

Preferred Qualifications


  • Work experience in chemical and biochemical industries or research laboratories preferred
  • Experience and understanding of chemical and biochemical products as well as their structure/property relationship preferred
  • Proficiency in mass spec imaging, ion mobility MS and LC-MS techniques
  • Advanced data processing, statistical analysis, and programing skills preferred 
  • Track record in poster and oral presentations at major conferences
  • Track record in publications of technical articles
  • Flexibility, curiosity and openness for new projects and responsibilities


ExxonMobil is an Equal Opportunity Employer.  All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, age, sexual orientation, gender identity, national origin, citizenship status, protected veteran status, genetic information, or physical or mental disability.

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