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Security clearance · Top Secret level

Q Clearance (DOE) Clearance

The Q clearance is the Department of Energy equivalent of a Top Secret clearance. It grants access to classified Restricted Data (RD) and Formerly Restricted Data (FRD) related to nuclear weapons design, production, and stockpile stewardship. Q clearances are administered by DOE's Office of Personnel Security.

Q clearances are required for contractors at national laboratories (Los Alamos, Sandia, Lawrence Livermore), nuclear weapons production facilities, and nuclear navy propulsion programs. DOE contracts for nuclear cleanup, stockpile stewardship, and weapons engineering require Q-cleared personnel.

Level
Top Secret level
Investigation
Tier 5 (T5) — SSBI equivalent, DOE-administered
Typical processing time
6-18 months
Eligibility
5 requirements, starting with u.s. citizenship required

Reference record · Sources: Federal personnel vetting standards · Covers definition, eligibility, investigation, processing time

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Q Clearance (DOE)

Security Clearance

The Q clearance is the Department of Energy equivalent of a Top Secret clearance. It grants access to classified Restricted Data (RD) and Formerly Restricted Data (FRD) related to nuclear weapons design, production, and stockpile stewardship. Q clearances are administered by DOE's Office of Personnel Security.

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About Q Clearance (DOE)

The Q clearance is the Department of Energy equivalent of a Top Secret clearance. It grants access to classified Restricted Data (RD) and Formerly Restricted Data (FRD) related to nuclear weapons design, production, and stockpile stewardship. Q clearances are administered by DOE's Office of Personnel Security.

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Why does Q Clearance (DOE) (Q) matter?

The Q clearance is the Department of Energy equivalent of a Top Secret clearance. It grants access to classified Restricted Data (RD) and Formerly Restricted Data (FRD) related to nuclear weapons design, production, and stockpile stewardship. Q clearances are administered by DOE's Office of Personnel Security.

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Abbreviation

Q

Level

Top Secret Level

Processing Time

6-18 months

Investigation Type

Tier 5 (T5) — SSBI equivalent, DOE-administered

Eligibility Requirements

  • U.S. citizenship required
  • Investigation equivalent to Top Secret SSBI, conducted by DOE
  • Additional focus on reliability related to nuclear materials
  • Heightened scrutiny for foreign connections or financial issues
  • Medical and psychological evaluations may be required

Impact on Federal Contracting

Q clearances are required for contractors at national laboratories (Los Alamos, Sandia, Lawrence Livermore), nuclear weapons production facilities, and nuclear navy propulsion programs. DOE contracts for nuclear cleanup, stockpile stewardship, and weapons engineering require Q-cleared personnel.

Other Top Secret Level Clearances

Top Secret ClearanceTSInterim Top Secret ClearanceITSNATO COSMIC Top SecretCTS

Other Clearance Levels

Confidential ClearanceCSecret ClearanceSTop Secret / Sensitive Compartmented InformationTS/SCISpecial Access ProgramSAP

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Frequently Asked Questions

How do I track new opportunities for Q Clearance (DOE)?
Create a free Bureauify account to save this search, set up email alerts for new postings, and track deadlines. All data is sourced from SAM.gov, USAspending, FPDS, and Grants.gov.
How often is this data updated?
Each source is refreshed on its own schedule — SAM.gov and USAspending daily or more often, FPDS and Grants.gov on their publication cadence. Every page shows the last refresh for its records.
Cite this page
Bureauify. (2026). Q Clearance (DOE) — Federal Contract Intelligence. Bureauify Federal Intelligence. Retrieved , from https://bureauify.com/security_clearance/q-clearance

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Data is sourced from official federal systems and refreshed regularly. Verify critical details on the originating agency website before making business decisions.

This security_clearance page aggregates data across all indexed federal sources.

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