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OPM FedScope March 2025 Engineering and Architecture Group

Petroleum Engineering

Federal headcount, average salary, length of service, and pay comparison for the Petroleum Engineering occupation series (code 881), drawn directly from the OPM FedScope dataset (March 2025).

The verdict

In the Engineering and Architecture Group family, Petroleum Engineering counts 318 employees, a smaller, specialized federal occupation at 0.0% of the federal civilian workforce, and headcount declined 2.8% from the prior period; pay averages $134,293, which pays above the federal-wide $109,869.

Employees
318
Share of workforce
0.0%
Avg salary
$134,293
Avg tenure
12.5 yrs

What the Numbers Say About Petroleum Engineering

Federal agencies employ 318 people in the Petroleum Engineering occupation (OPM code 881), accounting for 0.0% of the total federal civilian workforce of 2,289,472 for the March 2025 reporting window. Headcount in this occupation moved down by -2.8% versus the prior period, though at this small a headcount, year-to-year swings can reflect a handful of hires or departures rather than a broad hiring trend.

Average tenure in Petroleum Engineering runs 12.5 years, a mid-length average tenure, reflecting a mix of career employees and those who transfer or exit mid-career. Pay averages $134,293 per year, 22.2% above the $109,869 federal civilian average and up 2.0% from the prior period, a modest shift, consistent with routine locality pay and grade-level movement.

Code 8, the Engineering and Architecture Group family, is where the federal government classifies Petroleum Engineering alongside 28 related occupations. Candidates browsing USAJOBS for Petroleum Engineering postings should also review these sibling occupations, since federal hiring managers often cross-post positions across closely related codes when recruitment is difficult. All figures here come directly from OPM FedScope Employment Cubes, the same official source referenced in federal workforce planning, budget justifications, and GAO reports.

Petroleum Engineering makes up 0.2% of the 142,526 employees across the Engineering and Architecture Group family, ranking #24 of 29 occupations in that family by headcount.

Employees

318

-2.8% from prior period

Average Salary

$134,293

+2.0%

Avg Length of Service

12.5 yrs

Occupation Family

Engineering and Architecture Group

Salary Context

How Petroleum Engineering pay compares to the federal average of $109,869

Occupation Average

$134,293

Federal Average

$109,869

vs. Federal Avg

+22.2%

Where Petroleum Engineering ranks on federal pay

Its average salary of $134,293 is higher than 86% of federal occupation series (546 of 634). The highlighted bar marks where Petroleum Engineering sits in the federal pay distribution.

$16,074132$63,787308$111,499167$159,21223$206,9242$254,6372
Distribution of average salary across all 634 federal occupation series (OPM FedScope) - Petroleum Engineering is in the highlighted range.

Average-salary distribution across all 634 federal occupation series; Petroleum Engineering ranks higher than 86%.

Source: OPM FedScope Employment Cubes As of March 2025

10 other occupations in the same family

Occupation Employees Avg Salary
General Engineering 34,563 $150,930
Engineering Technical 16,312 $100,287
Electronics Engineering 15,392 $138,107
Mechanical Engineering 14,519 $122,816
Civil Engineering 12,414 $121,930
Aerospace Engineering 9,928 $143,246
Electronics Technical 8,135 $107,138
Electrical Engineering 6,003 $129,458
Computer Engineering 4,705 $137,388
Environmental Engineering 3,098 $132,421

Frequently Asked Questions

How many federal employees work as Petroleum Engineering?
Petroleum Engineering employs 318 federal workers as of March 2025, a 0.0% share of the total federal civilian workforce.
What is the average salary for Petroleum Engineering in the federal government?
Compared to the $109,869 federal-wide average, Petroleum Engineering pays 22.2% more: an average of $134,293 per year.
What occupation family does Petroleum Engineering belong to?
The Engineering and Architecture Group family (code 8) is home to Petroleum Engineering (code 881) and 28 other occupations.
What is the average length of service for Petroleum Engineering?
Average tenure in the Petroleum Engineering occupation runs 12.5 years, versus 11.8 years federal-wide.
Is the Petroleum Engineering workforce growing or shrinking?
A decline of 2.8% from the prior period put the Petroleum Engineering occupation at 318 employees, down roughly 9 positions.
How does Petroleum Engineering pay compare to private sector salaries?
Petroleum Engineering pays $134,293 on average in the federal government, 22.2% above the $109,869 federal-wide average. The BLS Occupational Employment and Wage Statistics (OEWS) program tracks the private-sector equivalent for comparison.

Data Source: U.S. Office of Personnel Management (OPM) FedScope Employment Cubes, March 2025. Federal civilian non-seasonal full-time and part-time employees. Data does not include military personnel, postal workers, or intelligence agency staff. Last updated: 2026-03-10.

Data sourced from official public datasets. See our methodology for details. Retrieved and formatted by PlainGovJobs

PlainGovJobs is rendered directly from OPM FedScope federal-workforce data, no number is typed in by an editor. This page draws directly on OPM FedScope occupation-level employment records. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.