Job Title: Associate InvestigatorJob Description

The Associate Investigator will develop and apply various modern analytical techniques to support toxicity testing for agricultural product intermediates, metabolites, and impurities under the supervision of a Principal Investigator.

ResponsibilitiesReceive 14C radioactive test substance shipments in compliance with NRC requirements.Prepare 14C solvent stocks and analyze them for radioactivity and radiopurity.Prepare study doses with non-radiolabeled and 14C labeled test substances.Analyze prepared study doses for radioactivity, radiopurity, and chemical concentration and enter results into the DEBRA database.Operate, maintain, and be technically competent in various types of analytical instrumentation, including HPLC/UV/radiochemical detector systems, MS/MS, liquid scintillation counting, and fraction collection, ensuring calibration and systems qualification.Conduct routine and non-routine 14C labeled biological sample processing for matrices, including urine, bile, feces, and animal tissues using techniques such as liquid extraction and SPE to meet project quality and timing needs.Develop chromatographic methods to separate, identify, and quantify actives and metabolites in toxicity testing samples, and utilize them for GLP studies and reports.Perform and document work under GLP and other appropriate regulatory guidelines.Manage custodial duties for laboratories and various analytical equipment.Essential SkillsBachelor's degree in Chemistry or related field.At least 3 years of experience in a GLP laboratory.Experience with 14C sample handling, method development, and analysis using chromatography HPLC/UHPLC with scintillation and DAD detectors.Proficiency in modern mass spectrometric high-resolution techniques such as LC/MS and LC-MS/MS.Strong organizational skills with attention to detail.Ability to work independently or with minimal supervision on several projects.Good interpersonal skills and demonstrated problem-solving and troubleshooting skills.Good written and oral communication skills.Familiarity with or ability to rapidly learn computers and software packages from various instrument manufacturers such as DEBRA, LAURA, OpenLab, and Xcalibur.Work Environment

The work environment involves handling various analytical instruments and technologies such as HPLC, UHPLC, radiochemical detectors, and mass spectrometry equipment. The role requires adherence to GLP and regulatory guidelines, and involves both routine and non-routine sample processing tasks. The position demands a high level of organization and precision to manage multiple projects efficiently.

Job Type & Location

This is a Contract position based out of Newark, DE.

Pay and Benefits

The pay range for this position is $35.00 - $38.00/hr.

Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following: • Medical, dental & vision • Critical Illness, Accident, and Hospital • 401(k) Retirement Plan – Pre-tax and Roth post-tax contributions available • Life Insurance (Voluntary Life & AD&D for the employee and dependents) • Short and long-term disability • Health Spending Account (HSA) • Transportation benefits • Employee Assistance Program • Time Off/Leave (PTO, Vacation or Sick Leave)

Workplace Type

This is a fully onsite position in Newark,DE.

Application Deadline

This position is anticipated to close on Feb 10, 2026.

About Actalent

Actalent is a global leader in engineering and sciences services and talent solutions. We help visionary companies advance their engineering and science initiatives through access to specialized experts who drive scale, innovation and speed to market. With a network of almost 30,000 consultants and more than 4,500 clients across the U.S., Canada, Asia and Europe, Actalent serves many of the Fortune 500.

The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

If you would like to request a reasonable accommodation, such as the modification or adjustment of the job application process or interviewing due to a disability, please email actalentaccommodation@actalentservices.com for other accommodation options.