GEM Technologies

GEM Technologies, Inc.

Sr. Nuclear Criticality Engineer

Nuclear Criticality Engineer

Bachelor’s degree in engineering; 15+ years relevant experience; US citizenship; DOE Q clearance; nuclear criticality safety knowledge; DOE/commercial nuclear project experience.

Toolmaker

High school diploma; US citizenship; ability to obtain government clearance; 4+ years tool & die experience or 8,000-hour apprenticeship; read/write; physically fit; pass evaluation.

Construction Manager

Bachelor’s degree and/or 15 years of experience in project management, engineering, construction, project controls or procurement; US citizen; able to obtain government clearance; nuclear quality standards knowledge preferred.

Construction Software Analyst, Kahua Software

Construction Software Analyst

Bachelor’s degree and 5+ years relevant experience; US citizenship; ability to obtain government clearance; experience with Kahua EPC workflow system; enterprise software analysis and development.

System Engineer

Systems Engineer

ABET-accredited bachelor’s in engineering; 5+ years of relevant experience; US citizenship; active DOE Q or DoD Top Secret clearance; machining background; nuclear-regulated environment experience.

Reliability Engineer

Bachelor’s degree in engineering (ABET) and 5+ years of direct experience; US citizen; active or recent DOE Q clearance or DoD Top Secret clearance.

Title	Location	Date
Sr. Nuclear Criticality Engineer Full Time · 15+ YOE Oak Ridge, Tennessee, United States · Onsite	Oak Ridge, Tennessee, United States Onsite	Jan 22, 2026
Toolmaker Full Time · 4+ YOE Amarillo, Texas, United States · Onsite	Amarillo, Texas, United States Onsite	Jan 9, 2026
Construction Manager Full Time · 15+ YOE Los Alamos, New Mexico, United States · Onsite	Los Alamos, New Mexico, United States Onsite	Dec 24, 2025
Construction Software Analyst, Kahua Software Full Time · 5+ YOE Aiken, South Carolina, United States · Onsite	Aiken, South Carolina, United States Onsite	Nov 4, 2025
System Engineer Full Time · 5+ YOE Oak Ridge, Tennessee, United States · Onsite	Oak Ridge, Tennessee, United States Onsite	Sep 18, 2025
Reliability Engineer Full Time · 5+ YOE Oak Ridge, Tennessee, United States · Onsite	Oak Ridge, Tennessee, United States Onsite	Jul 29, 2025

Activities	Environmental remediationNuclear engineeringFacility managementConstruction servicesTechnical consulting
Headquarters	US
Industries	Environmental ServicesEngineering Services
Name	GEM Technologies
Employees	287
Type	Private
Tagline	Provides engineering and environmental services to federal government agencies.
Founded	1,994
Website	gemtechnologiesinc.com

GEM Technologies

About GEM Technologies