Part-Time Weekend HPLC Chemist Job at Harken Research, Pasadena, CA

UmFKQ3pLRDQya0tpL1VoTGp3VEU3WFRK
  • Harken Research
  • Pasadena, CA

Job Description

Part-Time Weekend HPLC Chemist

Harken Research · Pasadena, CA (On-site)

Compensation: $28–$35/hour (DOE)

Schedule: 8–16 hours/week (Saturdays and/or Sundays)

Opportunity: Potential for increased hours or advancement into full-time roles

About Us

Harken Research is a rapidly growing ISO 17025–accredited analytical laboratory serving the dietary supplement industry.

Our lab is fast-paced, scientifically rigorous, and committed to delivering high-quality results. Our strengths are our ability to offer customized testing and problem solving to address client needs; excellent customer service; and quick turnaround times.

Summary

We’re seeking a part-time HPLC chemist to join our weekend lab team. This role is ideal for someone with strong analytical chemistry experience who enjoys working independently and with precision. You will be responsible for operating HPLC instruments, preparing samples, troubleshooting issues, and ensuring accurate and timely test results on dietary supplement products.

Responsibilities

  • Operate and maintain HPLC systems for weekend test batches
  • Run validated quantitative methods for analytes such as caffeine, vitamins, sugars, amino acids, and botanical actives
  • Perform precise sample preparation: weighing, pipetting, extraction, dilution
  • Troubleshoot HPLC instrument issues, including pressure spikes, retention time shifts, peak distortion, and detector noise
  • Identify and resolve sample preparation challenges, such as solubility problems, incomplete extraction, or interference from matrix components
  • Record and report results with attention to detail and regulatory compliance
  • Follow SOPs and ISO 17025 quality protocols
  • Support method verification or validation efforts when needed
  • Communicate any urgent issues or maintenance needs to the weekday team

Qualifications

  • Bachelor’s degree in Chemistry, Biochemistry, or a related field
  • Minimum 2 years of hands-on HPLC experience
  • Strong attention to detail in sample prep and data analysis
  • Confident working independently on weekends without supervision
  • Experience in dietary supplement, food, or pharmaceutical testing preferred
  • Familiarity with ISO 17025 or other regulated lab environments is a plus

Compensation

  • Pay: $28–$35/hour, depending on experience
  • Flexible weekend scheduling
  • Potential for additional hours or long-term advancement

Job Tags

Full time, Part time, Immediate start, Flexible hours, Shift work, Sunday, Saturday, Weekday work,

Similar Jobs

Lafrance Hospitality

Hotel Houseperson - Homewood Suites by Hilton, Dover, NH Job at Lafrance Hospitality

 ...Join us at the Homewood Suites by Hilton, 21 Members Way, Dover, NH . We are very excited to be adding new team members to our hotel. We are looking for Full-Time houseperson . As a Hotel Houseperson you will be maintaining public space & common area cleanliness... 

Pete & Gerry's Organics, LLC

Food Safety and Quality Assurance Manager Job at Pete & Gerry's Organics, LLC

 ...to provide you and your family with safe, wholesome, organic, free range eggs at a fair price. Position Responsibility: The Food Safety and Quality Assurance (FSQA) Manager ensures that customer expectations of product quality are met or exceeded, and the highest... 

PTR Global

Electronics Lab Technician Job at PTR Global

 ...Engineering (Electronics) lab technician An Onsite Role in Cupertino, California, United States 9501412 Months Contract $48.35/hr on W2--------------------------- This job is for a customer service-oriented Engineering Lab Technician responsible for supporting... 

The Folsom Corporation

Retail Sales Merchandiser Southeast FL Job at The Folsom Corporation

 ...Company Description Walmart retail sales merchandiser for fishing tackle and Bimini Bay apparel in southeast Florida market. Role Description This is a part-time role for a Retail Sales Merchandiser. Location will be Palm Beach county and surrounding area. The... 

Evergreen Theragnostics

Microbiology Technician Job at Evergreen Theragnostics

 ...Associate or Microbiology Manager. Qualifications: # Bachelor degree in a Microbiology with at least 1 years of pharmaceutical/biotech industry experience ( preferred ). # At least 1 years of Microbial method qualification (Bioburden, Sterility, Endotoxin)...