offpeak

Argonne National Laboratory

Principal Nuclear Engineer

9700 S Cass Ave, Lemont, IL 60439-4801

Full-time · $116k–$181k (as posted)

First seen by offpeak October 4, 2026

See your drive time Apply on Argonne National Laboratory's site

The Nuclear Science and Engineering (NSE) Division, in collaboration with the Strategic Security Sciences (SSS) Division, is seeking a highly motivated Nuclear Engineer with a focus on nuclear reactor security and safeguards to contribute to several exciting advanced nuclear reactor projects.

The position will support the Licensing and Risk Assessments Group within the NSE division as well as international nuclear security and safeguards work in the Nonproliferation Innovation Group in the SSS division.

A well-qualified candidate may be able to support a range of activities, including:

This job description documents the general nature of work but is not intended to be a comprehensive list of all activities, duties and responsibilities required of job incumbent. Consequently, job incumbent may be required to perform other duties as assigned.

Position Requirements


Preferred Knowledge, Skills, and Experience


This position can be hired at one of two levels; the selected candidate will be placed at the appropriate level (RD3 or RD4) dependent upon the depth and breadth of relevant knowledge and skills. The minimum requirements of the two levels are as follows:


Job Family

Research Development (RD)

Job Profile

Nuclear/Reactor Engineering 3

Worker Type

Regular

Time Type

Full time

The expected hiring range for this position is $116,250.00 - $181,350.00.

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.

Click here to view Argonne employee benefits!

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.

More jobs within a 30-minute drive of Naperville, IL