Analytical Chemist - Ion Chromatography

Our client, a leading manufacturer of high purity specialty chemicals, is looking for a skilled Analytical Chemist (Ion Chromatography) to join their growing team in St. Louis, MO!

Summary:
We are seeking a skilled Chemist with strong hands-on experience in Ion Chromatography (IC) to support advanced analytical testing and method development within our laboratory. This role requires deep technical expertise in IC instrumentation, as well as the ability to independently troubleshoot and optimize analytical methods.

Schedule: M-F - 8am-5pm
Location: St. Louis, MO
Pay rate: $30- $32/hr.
Job type: 6-month contract - hire

Key Responsibilities

• Perform routine and advanced analysis of anions and cations using Ion Chromatography
• Develop, optimize, and validate IC methods for a variety of sample matrices
• Operate, maintain, and troubleshoot IC systems (e.g., Dionex/Thermo ICS, Metrohm platforms)
• Prepare eluents, standards, and calibration curves with high accuracy
• Monitor system suitability and ensure data quality and compliance with laboratory standards
• Investigate and resolve instrument issues such as pressure fluctuations, baseline instability, suppressor failures, and contamination
• Interpret and report quantitative data with a high degree of accuracy
• Maintain proper documentation in accordance with regulatory and quality requirements

Qualifications

• Bachelor's degree in Chemistry or a related scientific field
• 2-5+ years of direct, hands-on experience with Ion Chromatography
• Proven experience with method development, validation, and routine sample analysis
• Strong understanding of:
  • Conductivity and electrochemical detection
  • Suppressor technologies and operation
  • Gradient methods and separation optimization
  • System suitability requirements
• Proficiency with chromatography data systems (CDS), such as Chromeleon or similar software
• Demonstrated ability to troubleshoot IC instrumentation independently
• Strong attention to detail and data integrity

Preferred Qualifications

• Experience working in regulated environments (e.g., pharmaceutical, environmental, or food testing labs)
• Familiarity with GLP, GMP, or ISO standards
• Experience with complex sample matrices

Note: This job description is a complete list of all desired skills, but not all are required. We strongly encourage candidates who have some of the skills to apply. We look forward to a conversation to learn more about you!

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