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Argonne National Laboratory

Experimental Facility Operator

9700 S Cass Ave, Lemont, IL 60439-4801

Full-time · $35.73–$55.74/hr (as posted)

First seen by offpeak October 4, 2026

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The Nuclear Science and Engineering Division (NSE) at Argonne National Laboratory is looking for an Experimental Facility Operator. For this position we are seeking an entry level or near entry level electrical and/or mechanically inclined equipment operators to join our multi-disciplinary team that includes design engineers, test engineers, fluids and thermal researchers, and experienced technicians. 

The selected individual will, under supervision, design, build, test, operate and trouble-shoot cutting-edge experimental systems and sub-systems with a primary focus on the operations and maintenance of an intermediate-scale liquid metal technology facility called the Mechanisms Engineering Test Loop (METL) and other experimental systems.

METL is an intermediate-scale liquid metal experimental facility whose purpose is to provide purified R-grade sodium to various experimental test vessels to test components that are required to operate in a prototypic advanced reactor environment. The METL facility will provide its services to researchers located at Argonne, in the U.S. and internationally.

Responsibilities include:

Note: This description describes the general nature of work but is not intended to be a comprehensive list of all duties and responsibilities

Position Requirements

The selected candidate will be placed at the appropriate level (ST3 or ST4) depending upon depth and breadth of relevant knowledge, skills, and experience brought to the position. The requirements for the desired levels are as follows:

Job Family

Support Technical (ST)

Job Profile

Experimental Technical Support 3

Worker Type

Regular

Time Type

Full time

The expected hiring range for this position is $29.75 - $46.41.

Please note that the pay range information is a general guideline only. The pay offered to a selected candidate will be determined based on factors such as, but not limited to, the scope and responsibilities of the position, the qualifications of the selected candidate, business considerations, internal equity, and external market pay for comparable jobs. Additionally, comprehensive benefits are part of the total rewards package.

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As an equal employment opportunity employer, and in accordance with our core values of impact, safety, respect, integrity and teamwork, Argonne National Laboratory is committed to a safe and welcoming workplace that fosters collaborative scientific discovery and innovation. Argonne encourages everyone to apply for employment. Argonne is committed to nondiscrimination and considers all qualified applicants for employment without regard to any characteristic protected by law.

Argonne employees, and certain guest researchers and contractors, are subject to particular restrictions related to participation in Foreign Government Sponsored or Affiliated Activities, as defined and detailed in United States Department of Energy Order 486.1A. You will be asked to disclose any such participation in the application phase for review by Argonne's Legal Department.  

All Argonne offers of employment are contingent upon a background check that includes an assessment of criminal conviction history conducted on an individualized and case-by-case basis.  Please be advised that Argonne positions require upon hire (or may require in the future) for the individual be to obtain a government access authorization that involves additional background check requirements.  Failure to obtain or maintain such government access authorization could result in the withdrawal of a job offer or future termination of employment.

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