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

UUxqajZoeE1ocU9SQzFqS3pFejROeWo0U3c9PQ==
  • 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, Immediate start, Flexible hours, Shift work, Weekend work, Sunday, Saturday, Weekday work,

Similar Jobs

FCE Benefit Administrators, Inc.

Benefits Coordinator Job at FCE Benefit Administrators, Inc.

Due to our continued growth, we are seeking Benefits Coordinators to join our team! Position Summary The Benefit Eligibility Coordinator serves as the primary liaison between FCE, clients, plan participants, and internal departments to ensure timely and accurate...

Ultimate Staffing

Receptionist Job at Ultimate Staffing

 ...employment upon completion of hours) Pay: up to $18.50/hr Schedule:...  ...This position is ideal for a highly organized and welcoming...  ...High school diploma or equivalent required * At least 1-2 years of receptionist or front desk experience preferred * Strong verbal and... 

Presbyterian Healthcare Services

Occupational Therapist Assistant - Home Care Job at Presbyterian Healthcare Services

 ...Occupational Therapist Assistant - Home Care at Presbyterian Healthcare Services summary: An Occupational Therapist Assistant under the supervision of an Occupational Therapist applies therapeutic interventions to aid rehabilitation of physical, psychosocial, and developmental... 

Get It Recruit - Educational Services

Online Teacher - Remote | WFH Job at Get It Recruit - Educational Services

 ...and dedicated educators to join our team! Whether you're an experienced teacher or tutor, we're seeking individuals with virtual teaching experience to provide personalized 1:1 or group instruction to students across the country. This is an exciting opportunity to make... 

Banner Health

Oncology Infusion Pharmacist Job at Banner Health

 ...renowned for its cancer treatment and research, to deliver unprecedented levels of cancer care in Arizona.As an **Oncology Acute Clinical Staff Pharmacist,** you will be responsible for the provision of pharmaceutical services in the care of oncology patients as a...