GEM Technologies
gemtechnologiesinc.com
Actively hiring
Nuclear Engineering
Construction
Facilities Management
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How GEM Technologies hires
Truth index
B 80/100
Median time to fill
32 days
Ghost roles
0%
Stale roles
79%
Reposted roles
0%
GEM Technologies scores B on the Alion truth index (A is best, E worst), measured over 14 open roles re-checked against its own hiring board: 0% look like ghost listings, 79% have gone stale and 0% are the same role posted again. Its roles close in a median of 32 days. It measures how much of what this employer publishes turns into a real, finite search - not the employer as a workplace. How the index is computed
Overview
GEM Technologies is a federal contractor headquartered in Knoxville, Tennessee, providing environmental, construction, facility management, mechanical, field and technical services, largely in support of national security and nuclear missions. Founded in 1994 by nuclear engineer Michael Evans to support federal operations at Oak Ridge, it now employs over 200 people, has field offices in Oak Ridge, Los Alamos and Portsmouth in Ohio, and holds Department of Energy and NNSA contracts. It hires electrical, HVAC, controls and nuclear safety engineers, radiological control technicians, project managers, schedulers and procedure writers, several roles requiring Q or TS clearances.
News
GEM Awarded Contract to Support DOE's Atmospheric Radiation Measurement (ARM) Program
GEM Awarded Contract to Support DOE's Atmospheric Radiation Measurement (ARM) Program Knoxville, Tennessee. Climate science depends on reliable, long-term observations of the atmosphere, and collecting that data requires "boots on the ground" in some of t
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Report
GEM Completes Site Preparation Activities for the LPF Project
GEM Completes Site Preparation Activities for the LPF Project Oak Ridge, Tennessee. After two years of project execution, GEM proudly announces their completion of the site preparation in advance of Y-12 National Security Complex's Lithium Processing Faci
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Advanced Microscopy Laboratory Expansion Project Kudos
Advanced Microscopy Laboratory Expansion Project Kudos Oak Ridge, Tennessee. In the July 7, 2025 issue of ORNL's Performance Monday bulletin, GEM Technologies was recognized for excellence in execution and safety. During our work on the Advanced Microscop
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Report
Celebrating 30 Years
GEM Celebrates 30 Years Knoxville, Tennessee. This year GEM Technologies, Inc. (GEM) is celebrating 30 years of consistent service and growth. GEM's motto, "Our Partnership, Your Success," is based on years of successful relationships marked by respect, f
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GEM Awarded Small Business Nationwide Deactivation, Decommissioning, and Removal Contract with U.S. Department of Energy
GEM Awarded Small Business Nationwide Deactivation, Decommissioning, and Removal Contract with U.S. Department of Energy Knoxville, Tennessee. GEM Technologies, Inc. (GEM) has been awarded a position on the Small Business Nationwide Deactivation, Decommis
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GEM's Long-Standing Relationship with Arconic
GEM's Long-Standing Relationship with Arconic Alcoa, Tennessee. Over the years, GEM Technologies, Inc. (GEM)'s Mechanical Division has built and sustained a long-lasting relationship with Arconic as a subcontractor at the Arconic Tennessee Operations plan
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GEM-led CTA Awarded the DOE/NNSA Enterprise-Wide TEPS III Services Blanket Purchase Agreement
GEM-led CTA Awarded DOE/NNSA Enterprise-Wide Technical, Engineering, and Programmatic Support (TEPS III) Services BPA Oak Ridge, Tennessee. The U.S. Department of Energy/National Nuclear Security Administration (DOE/NNSA) has awarded a Technical, Engineer
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GEM Renovates Cold-War Era Building at ORNL
GEM Renovates Cold-War Era Building at ORNL GEM Technologies, Inc. (GEM) is performing extensive renovations for Building 6010, an approximate 50-year-old building at the Oak Ridge National Laboratory that, once complete, will host personnel from the UT-B
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GEM Field Services Performs Design/Build at ORNL
GEM Field Services Performs Design/Build of MSF at ORNL with Completion Date in September 2022 GEM Technologies, Inc. (GEM) worked with UT-Battelle at the Oak Ridge National Laboratory (ORNL) to design and construct its new Mission Support Facility (MSF).
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GEM Technologies Awarded Silver Certification From Microsoft
Milestone Given to Top 5% of Microsoft Partners
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Tech stack
Technologies named in job postings at GEM Technologies over the last 12 months, by layer, with the share of postings for each.
Technologies in use
36
Postings analysed
24
Stack modernity
72/100
Languages
JavaScript13%
SQL8%
TypeScript8%
1C4%
Frameworks & libraries
Angular8%
ASP.NET Core4%
Bootstrap4%
JQuery4%
Databases
MySQL8%
Oracle4%
PostgreSQL4%
Snowflake4%
Cloud & platforms
AWS8%
Azure4%
Kubernetes4%
Linux4%
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Full GEM Technologies tech stack
36 technologies · by team · pay by technology · changes · similar stacks
Salary insights
Compensation ranges based on this company's open jobs
Median
$118k
Typical range
$118k
Open positions
1
1
Jobs
Staff
100%
| Level | Jobs | Median | Typical range |
|---|---|---|---|
| Staff | 1 | $118k | $118k |
Highest paying role
Nuclear Safety Site Liaison
$118k
Normalized to USD per year
Growth
Hiring Momentum
82/100
Scaling fast
Open positions
36
12 opened / 24 closed in 30 days
Median time-to-fill
39 days
faster than 33% of the market
ATS activity
Every ~5 hours
Today
Hiring Dynamics
+100%
Hiring Focus
The percentage next to each role is its share of the company's job openings over the last 90 days; the arrow shows the shift versus the previous period.
Industrial Engineering
41% ▼
Operations
10% ▲
Backend
6% ▼
DevOps
6%
Hardware
6% ▼
Leadership
4% ▼
Actively hiring for Industrial Engineering (+6 in 30 days)
Activity Timeline
Added GD&T to stack
Oct 2026
Added ASME NQA-1 to stack
Oct 2026
Added EVMS to stack
Oct 2026
Added ServiceNow to stack
Oct 2026
New location: Glendale
Oct 2026
Added Windows to stack
Oct 2026
Added Wi-Fi to stack
Oct 2026
Added Google Workspace to stack
Oct 2026
Added Azure to stack
Oct 2026
New location: Piketon
Oct 2026
Added Prompt Engineering to stack
Sep 2026
New location: West Mifflin
Sep 2026
Offices
Where the company hires and what each office is for
Cities
11
Hiring now
8
Countries
1
Busiest office
Knoxville
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Headquarters
Builds here
Office with open vacancies
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Knoxville
United States
HQ
1 open roles 1 posted in 90 days 10-50 est. staff
hires for Field & Service
Oak Ridge
United States
Plant / site
OAK RIDGE / KNOXVILLE
23 open roles 22 posted in 90 days 17% engineering 50-200 est. staff
hires for Industrial Engineering, DevOps, Hardware
Los Alamos
United States
Engineering / R&D
LOS ALAMOS | NEW MEXICO
7 open roles 11 posted in 90 days 14% engineering 50-200 est. staff
hires for Operations, Industrial Engineering, Backend
Greenville
United States
Engineering / R&D
1 open roles 10-50 est. staff
hires for Industrial Engineering
Richland
United States
1 open roles 2 posted in 90 days 10-50 est. staff $118k Avg Salary
hires for Energy
West Mifflin
United States
1 open roles 2 posted in 90 days 10-50 est. staff
hires for Industrial Engineering
Piketon
United States
1 open roles 1 posted in 90 days 1-10 est. staff
hires for Industrial Engineering
Glendale
United States
1 open roles 1 posted in 90 days 1-10 est. staff
hires for Field & Service
Albany
United States
Regional office
ALBANY | GEORGIA
2216 Toledo Drive, Albany, GA 31705
Texas
United States
Regional office
AMARILLO | TEXAS
Portsmouth
United States
Regional office
PORTSMOUTH | OHIO
Earlier presence
Niskayuna, United States
London, United Kingdom
Las Vegas, United States
Jobs
≈ $111k – $207k per year (Estimated) · Hybrid · Full-Time · 8+ years exp · Bachelor's Degree · Los Alamos
JavaScript
SQL
C#
Node JS
ASP.NET Core
Databases
MySQL
PostgreSQL
Frontend
Bootstrap
JQuery
DevOps
Rest API
Management
SharePoint
Agile
Scrum
Apply
≈ $64k – $131k per year (Estimated) · In office · Top Secret · Full-Time · 2+ years exp · Associate's Degree · Oak Ridge
ServiceNow
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≈ $90k – $199k per year (Estimated) · In office · Top Secret · Full-Time · Bachelor's Degree · Oak Ridge
Apply
≈ $66k – $135k per year (Estimated) · In office · Full-Time · 2+ years exp · Bachelor's Degree · Oak Ridge
Apply