Principal Mechanical Engineer
Columbia Energy & Environmental Services
Richland, WashingtonFull-Time Exempt - Introductory PeriodPosted Aug 3, 2026
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About Columbia Energy & Environmental Services
Columbia Energy and Environmental Services is a woman-owned full-service engineering company that provides cost-effective solutions in the nuclear, defense, energy, and hazardous waste industries. The company offers full-service engineering, design, fabrication, instrumentation and controls, electrical, database, software engineering, technologydevelopment, and geophysics/subsurface imaging.
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