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Postdoctoral Fellow; PREP

Job in Baltimore, Anne Arundel County, Maryland, 21276, USA
Listing for: Johns Hopkins University
Full Time position
Listed on 2026-01-24
Job specializations:
  • Research/Development
    Research Scientist
Job Description & How to Apply Below
Position: Postdoctoral Fellow (PREP0002996)

Overview

PREP Research Associate
CHIPS Funded Project.

This position is part of the National Institute of Standards (NIST) Professional Research Experience (PREP) program. NIST recognizes that its research staff may wish to collaborate with researchers at academic institutions on specific projects of mutual interest and thus requires that such institutions be the recipients of a PREP award. The PREP program requires staff from a wide range of backgrounds to work on scientific research in many areas.

Employees in this position will perform technical work that underpins the scientific research of the collaboration.
Research

Title:

Postdoctoral Research Chemist.
The work will entail:

Develop targeted and non-targeted analytical mass spectrometric methods for the identification and quantification of organic contaminants in ultra-pure water and other cleaning chemicals used in the semiconductor industry. Explore various extraction and concentration techniques (SPE, SPME, purge-and-trap, headspace, etc.) and/or develop novel concentration techniques to be able to detect contaminants at trace levels. Use high-resolution mass spectrometry for compound discovery of potential unknown organic contaminants.

Responsibilities
  • Develop new methods, approaches, and procedures in cooperation with coworkers or advisors with limited supervision.
  • Use advanced analytical equipment such as GC-MS, GC-MS/MS, GC-HRMS, LC-MS/MS, and LC-HRMS.
  • Develop non-targeted high-resolution mass spectrometry-based methods for compound discovery at trace levels.
  • Investigate various extraction and concentration protocols, and if needed develop novel techniques.
  • Communicate and collaborate with team members.
Qualifications
  • Ph.D. in Chemistry, or a related field.
  • Experience in chromatography and mass spectrometry such as GC-HRMS, GC-MS/MS, LC-HRMS, LC-MS/MS, etc.
  • Experience with non-targeted data analysis for compound discovery.
  • Experience with method development.
  • Experience with various sample extraction and concentration techniques.
  • Strong oral and written communication skills.
Application Instructions
  • CV/Resume
  • 2 professional references
  • Please limit C.V to 2 pages only
  • Do not include any personal information such as photos, home address or phone numbers
Administrative and Legal Disclosures
  • Privacy Act Statement
  • Authority: 15 U.S.C. § 278g-1(e)(1) and (e)(3) and 15 U.S.C. § 272(b) and (c)
  • Purpose:

    The National Institute for Standards and Technology (NIST) hosts the PREP which is designed to provide valuable laboratory experience and financial assistance to undergraduates, post-bachelor's degree holders, graduate students, master's degree holders, postdocs, and faculty.
  • Routine Uses: NIST will use the information collected to perform the requisite reviews of the applications to determine eligibility, and to meet programmatic requirements.
  • Disclosure:
    Furnishing this information is voluntary. When you submit the form, you are indicating voluntary consent for NIST to use the information submitted for the stated purpose.

To apply for this position, refer to the application platform and follow the process indicated by the employer (no direct link included).

Salary and Benefits
  • Salary Range
    :
    The referenced salary range represents the minimum and maximum salaries for this position and is based on the employer's good faith belief at the time of posting. Not all candidates will be eligible for the upper end of the salary range. Actual compensation may vary based on location, skills, experience, internal equity, market conditions, education/training, and other factors.
  • Total Rewards
    :
    The employer offers a total rewards package that supports health, life, career, and retirement.
Equal Opportunity and Safety
  • Equal Opportunity Employer
    :
    The employer is committed to equal opportunity and does not discriminate on various protected characteristics.
  • Pre-Employment Information
    :
    If special assistance or accommodation is required during the pre-employment process, contact the HR office as indicated by the employer.
  • Background Checks
    :
    Successful candidates may be subject to a pre-employment background check including education verification.

Vaccine and Health Provisions
:
The employer outlines vaccine guidance and related health provisions which may vary by campus or unit.

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