Mass Spectrometry Analyst (Scientist)

Integrated Resources INC

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Chesterfield, MO, us on site Until 8/21/2026 H-1B sponsor history First posted February 23, 2026 Last posted February 23, 2026
Job description

A Few Words About Us Integrated Resources, Inc is a premier staffing firm recognized as one of the tri-states most well-respected professional specialty firms. IRI has built its reputation on excellent service and integrity since its inception in 1996. Our mission centers on delivering only the best quality talent, the first time and every time. We provide quality resources in four specialty areas: Information Technology (IT), Clinical Research, Rehabilitation Therapy and Nursing.


This is Direct Hire Position with one of our Clients

Summary:

• The position is available in the Mass Spectrometry and Biophysical Characterization group in Analytical R&D. 

• The candidate will be responsible for developing and implementing methods of analysis for characterization of proteins, peptides, vaccines, carbohydrates, and oligonucleotides using advanced analytical techniques.

• The qualified colleague must have knowledge in protein biochemistry and/or protein analytics, and should have expertise in one or more protein characterization tools, including mass spectrometry, chromatographic separations, proteolytic mapping, electrophoresis, biophysical techniques, and glycan analysis. 

• These techniques will be applied to a large platform of projects in all stages of development. Good communication and writing skills are essential due to the highly matrixed, fast-paced, project-team environment.



 The qualifications include a minimum of a B.S. in chemistry, biochemistry, biology, or related field; industrial experience in analytical characterization is desirable. 

About this role

Summary

Develop and implement analysis methods for protein, peptide, vaccine, carbohydrate, and oligonucleotide characterization using advanced analytical techniques.

Job title

Mass Spectrometry Analyst (Scientist)

Experience level

B.S. in chemistry, biochemistry, biology, or related field; industrial experience desirable

Industry

healthcare

Location requirements

Chesterfield, MO, US; on-site role

Salary

Not specified

Visa sponsorship

H-1B sponsor history

Management role

No

Skills & keywords

Required skills

mass spectrometrychromatographyproteolytic mappingelectrophoresisbiophysical techniquesglycan analysis

Preferred skills

None specified

Specializations

mass spectrometryprotein biochemistrychromatographyproteolytic mappingbiophysical techniques
Locations

Structured locations inferred from the posting.

Chesterfield, MO, USA

On-site City