Federal Series Directory

Explore federal occupational series.

Every federal occupational series with job postings on USAJOBS in the last 12 months, grouped the way the Office of Personnel Management (OPM) organizes them.

614 series across 59 occupational groups and job families.

Jump to a group

General Schedule (white-collar) groups

Federal Wage System (trades and labor) families

General Schedule (white-collar) groups

0000 Miscellaneous Occupations Group

0100 Social Science, Psychology, and Welfare Group

0200 Human Resources Management Group

0300 General Administrative, Clerical, and Office Services Group

0400 Natural Resources Management and Biological Sciences Group

0500 Accounting and Budget Group

0600 Medical, Hospital, Dental, and Public Health Group

0700 Veterinary Medical Science Group

0800 Engineering and Architecture Group

0900 Legal and Kindred Group

1000 Information and Arts Group

1100 Business and Industry Group

1200 Copyright, Patent, and Trademark Group

1300 Physical Sciences Group

1400 Library and Archives Group

1500 Mathematical Sciences Group

1600 Equipment, Facilities, and Services Group

1700 Education Group

1800 Inspection, Investigation, Enforcement, and Compliance Group

1900 Quality Assurance, Inspection, and Grading Group

2000 Supply Group

2100 Transportation Group

2200 Information Technology Group

Federal Wage System (trades and labor) families

2500 Wire Communications Equipment Installation and Maintenance Family

2600 Electronic Equipment Installation and Maintenance Family

2800 Electrical Installation and Maintenance Family

3100 Fabric and Leather Work Family

3300 Instrument Work Family

3400 Machine Tool Work Family

3500 General Services and Support Work Family

3600 Structural and Finishing Work Family

3700 Metal Processing Family

3800 Metal Work Family

3900 Motion Picture, Radio, Television, and Sound Equipment Operation Family

4000 Lens and Crystal Work Family

4100 Painting and Paperhanging Family

4200 Plumbing and Pipefitting Family

4300 Pliable Materials Work Family

4400 Printing Family

4600 Wood Work Family

4700 General Maintenance and Operations Work Family

4800 General Equipment Maintenance Family

5000 Plant and Animal Work Family

5200 Miscellaneous Occupations Family

5300 Industrial Equipment Maintenance Family

5400 Industrial Equipment Operation Family

5700 Transportation/Mobile Equipment Operation Family

5800 Transportation/Mobile Equipment Maintenance Family

6500 Ammunition, Explosives, and Toxic Materials Work Family

6600 Armament Work Family

6900 Warehousing and Stock Handling Family

7000 Packing and Processing Family

7300 Laundry, Dry Cleaning, and Pressing Family

7400 Food Preparation and Serving Family

7600 Personal Services Family

8200 Fluid Systems Maintenance Family

8600 Engine Overhaul Family

8800 Aircraft Overhaul Family

9900 Student Trainee

About this data

Job numbers come from the USAJOBS API: 244,223 job announcements opened from December 1, 2025 to November 15, 2026, plus 12,260 announcements open on November 15, 2026. Canceled announcements are not counted. Series descriptions summarize the OPM Handbook of Occupational Groups and Families.

These figures describe posted job announcements, not hiring outcomes. Always read the official announcement and its qualification requirements before applying. How the scores are calculated.