Refinery Sampler Jobs in Indiana (NOW HIRING)

The Laboratory Assistant supports petroleum, chemical, and refined product testing by collecting samples from client sites, maintaining sample integrity, and ensuring accurate documentation within the laboratory information management system. This role combines field work and laboratory activities, requires strict adherence to safety procedures, and plays a key part in delivering reliable analytical results in a dynamic, on-call work environment.

• Collect petroleum, chemical, crude oil, petrochemical, and refined product samples from client sites using a company vehicle while following established sampling procedures.
• Follow all established sampling protocols to ensure representative and reliable samples are obtained from each site.
• Accurately enter sample information, chain-of-custody documentation, and testing requests into the laboratory LIMS system.
• Maintain complete and accurate records for all samples, including labeling, custody, and test instructions.
• Adhere to all company, client, and industry safety policies, including proper use of personal protective equipment and compliance with laboratory and field standard operating procedures.
• Maintain sample integrity through proper handling, labeling, storage, and transportation practices from collection through delivery to the laboratory.
• Monitor and maintain laboratory and field inventory, including sampling supplies, containers, reagents, and safety equipment.
• Perform basic wet chemistry procedures such as titrations and distillations as required for sample analysis.
• Work independently in both field and laboratory environments while following established quality control and safety standards.
• Safely handle and transport sample containers and equipment, including lifting items up to 50 lbs as needed.
• Support quality control processes by following laboratory procedures and documenting results accurately.
• Communicate effectively with laboratory staff and field personnel to coordinate sampling activities and testing requirements.
• Remain available and responsive during on-call rotations to perform sampling and related duties as needed.

• Minimum 6 months of petroleum, oil and gas, or chemical sample collection experience.
• Experience working in laboratory and quality control environments.
• Basic knowledge of chemistry and wet chemistry techniques, including titrations and distillations.
• Ability to collect and handle crude oil and petrochemical samples safely and accurately.
• Strong attention to detail with a commitment to safety, quality, and accurate documentation.
• Ability to work independently in both field and laboratory settings.
• Ability to lift up to 50 lbs and safely handle sample containers and equipment.
• Valid driver's license and ability to safely operate a company vehicle to travel between client sites.
• Ability to work a rotating schedule of 6 on-call days followed by 2 days off, with 24/7 availability during on-call rotations.
• Proficiency in entering data into a laboratory information management system (LIMS) or similar system.

• High school diploma or GED equivalent required.
• Familiarity with petroleum, crude oil, petrochemical, and refined product sampling procedures.
• Understanding of laboratory and field standard operating procedures and safety practices.
• Strong organizational skills to manage samples, documentation, and inventory.
• Effective communication skills to coordinate with laboratory and field personnel.
• Reliability and responsiveness in an on-call work environment.

This role involves a combination of field work at client sites and laboratory work in a controlled testing environment. The schedule consists of 6 consecutive on-call days followed by 2 days off, with employees on call 24 hours per day during their scheduled on-call rotation and compensated for all hours worked. Work is performed around petroleum, crude oil, petrochemical, and chemical products, using standard laboratory equipment and wet chemistry techniques such as titrations and distillations. The position requires the use of appropriate personal protective equipment, adherence to safety and standard operating procedures, and the ability to lift and move sample containers and equipment up to 50 lbs. Travel between client sites is required using a company vehicle, and the environment demands careful attention to sample integrity, accurate documentation, and consistent compliance with quality and safety standards.

This is a Contract to Hire position based out of Griffith, IN 46319.

The pay range for this position is $24.00 - $26.00/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)

This is a fully onsite position in Griffith,IN 46319.

This position is anticipated to close on Aug 4, 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 20,000 consultants and 5,000 clients across the U.S., Canada, Asia and Europe, Actalent serves many of the Fortune 500. We are proud to be an Engineering News-Record (ENR) Top 500 Design Firm for our engineering design services and a ClearlyRated Best of Staffing® winner for both client and talent service.

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 process due to a disability, please email actalentaccommodation@actalentservices.com for other accommodation options.

San Francisco Fair Chance Ordinance: Pursuant to the San Francisco Fair Chance Ordinance, for all positions located in the city and county of San Francisco, we will consider for employment qualified applicants with arrest and conviction records.

Massachusetts Lie Detector: It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

Use of Artificial Intelligence (AI): We may use Artificial Intelligence (AI) to support parts of our hiring process, including sourcing, screening, and evaluating candidates. AI helps assess applications and qualifications, but final decisions are made by our hiring team. By applying, you acknowledge and agree that your application may be reviewed using AI tools.