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Updated with current federal pay tables and reference data

March 2025 workforce snapshot. The Mechanical Engineering occupation series had 14,519 employees with an average salary of $122,816.
14,519 employees in this occupation series
$122,816 average pay
Engineering and Architecture Group occupation family
Naval Sea Systems Command largest agency for this occupation

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Use this page when you want to see where a federal occupation is concentrated, which agencies employ the most people in it, and what the average pay looks like across government.

Occupation family

Mechanical Engineering is reported under the Engineering and Architecture Group family in the latest OPM summary.

Agencies that employ the most Mechanical Engineering staff

These are the agencies with the biggest reported headcount in this occupation series.

Agency Department Employees Total salary expense Average pay Share of occupation
Naval Sea Systems Command Department of Defense 4,460 $564,759,848 $126,628 30.7%
Naval Air Systems Command Department of Defense 1,703 $205,070,793 $120,417 11.7%
United States Army Futures Command Department of Defense 1,594 $222,797,074 $139,772 11.0%
U.s. Army Corps of Engineers Department of Defense 1,138 $133,473,387 $117,288 7.8%
Air Force Materiel Command Department of Defense 987 $108,058,794 $109,482 6.8%
"U.s. Pacific Fleet, Commander in Chief" Department of Defense 689 $74,454,633 $108,062 4.7%
United States Fleet Forces Command Department of Defense 647 $68,911,337 $106,509 4.5%
Naval Facilities Engineering Command Department of Defense 381 $46,261,842 $121,422 2.6%
U.s. Army Test and Evaluation Command Department of Defense 291 $34,198,796 $117,522 2.0%
Federal Aviation Administration Department of Transportation 238 $24,723,974 $103,882 1.6%
"Commander, Naval Information Warfare Systems Command (Navwarsyscom)" Department of Defense 186 $24,654,980 $132,554 1.3%
National Institute of Standards and Technology Department of Commerce 153 $24,250,226 $158,498 1.1%
Naval Education and Training Command Department of Defense 125 $9,939,988 $79,520 0.9%
Office of Naval Research Department of Defense 116 $18,271,092 $157,509 0.8%
Air Force Civilian Career Training Department of Defense 107 $7,896,246 $73,797 0.7%
Bureau of Reclamation Department of the Interior 93 $11,497,332 $123,627 0.6%
United States Army Installation Management Command Department of Defense 85 $8,969,112 $105,519 0.6%
U.s. Coast Guard Department of Homeland Security 71 $9,509,258 $133,933 0.5%
U.S. Army Civilian Human Resources Agency Department of Defense 43 $2,963,897 $68,928 0.3%
Space Systems Command Department of Defense 43 $5,288,272 $122,983 0.3%
Environmental Protection Agency Independent or mixed 41 $6,312,717 $153,969 0.3%
U.s. Marine Corps Department of Defense 32 $3,849,776 $120,306 0.2%
Air Mobility Command Department of Defense 31 $3,502,101 $112,971 0.2%
U.s. Army Tank-Automotive and Armament Command (Tacom) Department of Defense 30 $3,193,650 $106,455 0.2%
Department of Energy Department of Energy 30 $4,252,740 $141,758 0.2%

Common pay plans for Mechanical Engineering

This shows the pay plans most commonly attached to this occupation series in the latest OPM summary.

Pay plan Employees Average pay Share of occupation
GS 5,744 $112,823 39.6%
ND 3,442 $127,788 23.7%
DB 1,691 $138,249 11.6%
NH 1,057 $118,301 7.3%
DP 953 $125,209 6.6%
FV 238 $103,882 1.6%
DR 213 $129,601 1.5%
ZP 153 $158,498 1.1%
NP 116 $157,509 0.8%
NM 47 $175,004 0.3%
RG 21 $132,278 0.1%
GG 21 $155,430 0.1%

Occupation totals come from the latest OPM FedScope Employment Summary Data (March 2025).