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Federal agent vs federal police officer

Two federal law enforcement careers, two different series numbers, and a line drawn by the government itself. If you are applying to both, this is the distinction that decides which one you are actually suited to.

Federal agent (1811)vsFederal police officer (0083)
How the government classifies them
GS-1811, Criminal InvestigationSeriesGS-0083, Police
Planning, conducting or managing investigations related to alleged or suspected criminal violations of federal lawsWhat the series coversPolice work on federal property and at federal installations
Two-grade intervalGrade structureOne-grade interval
The line, in OPM's own words
Not thisWhat 0083 focuses onCrimes committed on federal property — breaking and entering, larceny, wilful damage of government and private property, aggravated assault, illegal possession of controlled substances
Suspected major offences or violations of federal laws where the investigative assignment requires an extended period of time — days, weeks or months — for completionWhat 1811 focuses onNot this
Criminal investigators are not typically concerned with independent individuals or small local groups committing crimes on federal property, unless they are germane to larger investigationsIndependent offendersThese are the bulk of the work
General duties, as the job descriptions describe them
A caseThe unit of workA shift on a post or patrol area
Generally plain clothesUniformUniformed
Not a routine part of the workPatrolPatrols the installation on foot or by vehicle; responds to alarms
Recognises, develops and presents evidence to reconstruct events, sequences, relationships and legal liabilitiesEvidenceProtects the scene and collects evidence at incidents on the property
Provides advice and assistance in and out of court to the U.S. Attorney's Office during investigations and prosecutionsCourtPrepares reports and testifies in court
May rotate through protective details, asset forfeiture investigations and multi-jurisdictional task forcesOver a careerSpecialist assignments within the force

Checked 8 August 2026. Unusually for a comparison, this one has a single authoritative source and it is quoted rather than summarised: the OPM Job Family Standard for the Inspection, Investigation, Enforcement and Compliance Group, 1800, issued March 2009 and revised April 2011, which defines the 1811 series and distinguishes it from other series in its own words. The 0083 duty lines are from the OPM Grade Evaluation Guide for GS-0083/0085 and from federal police officer announcements. A particular agency may describe its own posts differently.

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Why this comparison exists

People apply to both without realising they are different careers. The titles do not help — both are federal, both are law enforcement, both carry a badge and a firearm. The government separates them by series number, and the standard explains why.

The sentence that decides it

OPM sets out the difference directly. Work in the police series primarily focuses on crimes committed on federal property. Criminal investigators, in contrast, are not typically concerned with independent individuals or small, local groups of individuals committing crimes on federal property unless they are germane to larger investigations. Rather, they focus on suspected major offenses or violations of federal laws where the investigative assignment requires an extended period of time, i.e., days, weeks, or months, for completion.

Read it twice, because it describes two temperaments as much as two jobs. One closes incidents inside a shift. The other carries one thing for months.

The grade structure says the same thing

1811 is a two-grade interval series and 0083 is one-grade. That is a classification detail with a practical meaning: the investigator series is built to expect the work to grow in difficulty over a career, and the pay bands are spaced for it. It is the clearest signal in the paperwork that these are not two versions of one job.

What to ask yourself

Do you want the day to end when the shift ends? Uniformed federal policing gives you a post, a patrol area and a set of incidents that begin and finish. Or do you want to carry one problem for months? That is the investigator's work, and the standard says so in the plainest terms it has.

What is not on these pages

No pay figures, no hiring requirements and no academy lengths. All of those vary by state and agency and change often enough that anything published here would be wrong within a year. Your agency's own recruiting page and the officers you meet at a hiring event are better sources for those, and they are the ones you should ask.

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