9 jobs · updated daily2 new this week

Nuclear Engineer Jobs in Rockville, Maryland

Hiring now: X-energy. 11% hybrid.

In Rockville

9

New this week

2

Top companies

1

Median salary

$131,000/yr

Principal Nuclear Assurance Engineer

X-energy

Rockville, Maryland$180,000 – $250,000/yr

HybridNuclearAdded Oct 5, 2026

CFD/ Thermal Hydraulics Engineer III

X-energy

Rockville, Maryland$122,500 – $138,750/yr

On-siteNuclearAdded Oct 5, 2026

CFD/Thermal Hydraulics Engineer III-IV

X-energy

Rockville, Maryland$122,500 – $138,750/yr

On-siteNuclearAdded Sep 27, 2026

Nuclear Engineering Internship - Summer 2027

X-energy

Rockville, Maryland$25 – $40/hr

On-sitePart-timeNuclearAdded Sep 20, 2026

Engineer III, Nuclear Packaging

X-energy

Rockville, Maryland$122,500 – $138,750/yr

On-siteNuclearAdded Sep 13, 2026

Engineer II, Plant & Process

X-energy

Rockville, Maryland$105,000 – $117,500/yr

On-siteNuclearAdded Sep 1, 2026

Microreactor System Engineer III-IV

X-energy

Rockville, Maryland$120,000 – $170,000/yr

On-siteNuclearAdded Jul 27, 2026

Thermal Analysis Engineer

X-energy

Rockville, Maryland$75,000 – $100,000/yr

On-siteNuclearAdded Jul 27, 2026

Licensing Engineer II-VI, Risk-Informed Safety Analysis

X-energy

Rockville, Maryland$88,725 – $147,875/yr

On-siteNuclearAdded Jul 27, 2026

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