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GEM Technologies

Federal contractor delivering environmental, nuclear, defense.

Radiological Control Technician - Radiological Control Technician

Full-Time
No salary listed
Expert
Associate's
Oak Ridge, TN, USA
In PersonBased out of Oak Ridge, Tennessee.
Facilities OperationsEnvironmental Health & Safety
No H1B Sponsorship
US Citizenship Required

About the job

Requirements
  • An Associate's degree in a technical field and 10 or more years of relevant experience are required; a high school diploma and 20 or more years of relevant experience may be considered in lieu of a degree.
  • Must be a United States citizen due to the federal nature of the work.
  • Must be able to obtain and maintain a government-issued clearance if needed.
  • Must have a record of active 40-hour HAZWOPER training and/or current, non-lapsing 8-hour refresher training.
  • Must have a record of passing the DOE RCT-Standardized CORE Exam.
  • Must be able to perform mathematical computations and conversions to express sampling and monitoring results in proper units and terms.
  • Must be knowledgeable and trained in principles, methods, and mechanics of monitoring and sampling radiological hazards.
  • Must understand the basic nature of radiation types.
  • Must be able to recognize and characterize problems related to standards and limits, plan investigative action, and define corrective measures.
Responsibilities
  • Monitor personnel, work areas, and items leaving radiological areas to control exposure from internal and external sources.
  • Recommend appropriate personnel monitoring devices, protective equipment, and working times for operations and maintenance personnel working with radiation sources.
  • Observe processes.
  • Read, record, evaluate, and report data from radiation detection devices and air and bioassay sampling.
  • Investigate causes and effects when results exceed guides, standards, and limits.
  • Calibrate instruments, operate automated low-background counting equipment, process TLDs, and perform lung counts.
  • Participate in planning new work processes.
  • Serve as a member of the emergency response organization.

About the company

GEM Technologies, Inc. is a federal contractor that provides environmental, nuclear, defense, construction, and facility management services to government and commercial clients. It delivers projects by combining engineering expertise with project management and collaborate-driven execution through regional offices and scalable teams. Its differentiators are a 30-plus-year track record, a broad multi-disciplinary portfolio, strong client relationships, nationwide capabilities, and a commitment to employee and community support. The company aims to help clients achieve their missions by delivering dependable services through collaborative partnerships and a stable, nationwide workforce.

Company Size

51-200

Company Stage

N/A

Total Funding

N/A

Headquarters

Knoxville, Tennessee

Founded

1994

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Simplify's Take

What believers are saying

  • On March 4, 2026, GEM won DOE Atmospheric Radiation Measurement support work.
  • On September 28, 2026, GEM finished ORNL's Advanced Microscopy Laboratory Expansion.
  • GEM's updated 2026 site lists current DOE, FBI, DHS, and State contracts.

What critics are saying

  • Massachusetts and New Hampshire breach notices exposed GEM PII from August 7, 2025.
  • Federal client concentration leaves GEM exposed if DOE, FBI, or DHS recompetes shift.
  • A cyber trust setback after the 2025 breach can kill future classified federal awards.

What makes GEM Technologies unique

  • Founded in 1994, GEM specializes in DOE, NNSA, and ORNL mission-critical facilities.
  • GEM combines environmental, technical, mechanical, and construction services under one federal contractor.
  • GemTech Nuclear Security Solutions gives GEM joint-venture reach across three sites.

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Benefits

  • Health Insurance
  • Dental Insurance
  • Vision Insurance
  • Life Insurance
  • Paid Time Off
  • Paid Holidays
  • 401(k) Retirement Plan
  • 401(k) Company Match

Company News

GEM Technologies, Inc.
Mar 1st, 2022
GEM Technologies, Inc. partners with UT-Battelle LLC

GEM Technologies, Inc. (GEM) is currently working with UT-Battelle at the Oak Ridge National Laboratory (ORNL) to design and construct its new Mission Support Facility (MSF).