4204 - Pipefitting
Federal Occupation Description
Federal Occupation Description
This standard is used to grade all nonsupervisory jobs involved in the installation, maintenance, and repair of high temperature water and high-pressure piping systems such as hydraulic, nitrogen, oxygen, steamheating, and steam-generating systems.
For job opportunities in this series, go to the Office of Personnel Management USAJOBS website.
Other Federal Occupations
It is not uncommon for individuals in one federal occupational series to perform duties related to another series within the same federal occupational group. To find out about the certifications for another series in the PLUMBING AND PIPEFITTING FAMILY, click on that series below. Note that credentials have not yet been identified for all series – links are provided only to those series for which the identification of credentials has been completed. Additional series will be added over time.
- 4206 - Plumbing
- 4255 - Fuel Distribution System Mechanic

The following certifications have been identified as most relevant to the broad duties of this federal occupational series. Please note that these credentials may not reflect all of the unique job functions that you perform within your organization. Also these credentials may require additional education, training or experience. For more information about any credential, click on the credential title below.
Compare | Credential | Agency | Related As | GI Bill® | Accreditation | ID | |
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Fluid Power Connector and Conductor (CC) Is Not In Demand | International Fluid Power Society (IFPS) | ![]() |
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Hydraulic Specialist (HS) Is Not In Demand | International Fluid Power Society (IFPS) | ![]() |
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Certified Control Systems Technician - Level I (CCST-I) Is Not In Demand | International Society of Automation (ISA) | ![]() |
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Corrosion Specialist Is Not In Demand | NACE International | ![]() |
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Corrosion Technician Is Not In Demand | NACE International | ![]() |
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Corrosion Technologist Is Not In Demand | NACE International | ![]() |
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Certified Pump Installer (CPI) Is Not In Demand | National Ground Water Association (NGWA) | ![]() |
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Master Ground Water Contractor (MGWC) Is Not In Demand | National Ground Water Association (NGWA) | ![]() |
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API 570 Piping Inspector Is Not In Demand | American Petroleum Institute (API) | ![]() |
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Journey Level Pipefitter-Steamfitter Is Not In Demand | National Inspection Testing and Certification Corporation (NITC) | ![]() |
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STAR Fire Sprinklerfitter Mastery Is Not In Demand | National Inspection Testing and Certification Corporation (NITC) | ![]() |
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STAR Steamfitting-Pipefitting Mastery Is Not In Demand | National Inspection Testing and Certification Corporation (NITC) | ![]() |
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Certified Control Systems Technician - Level II (CCST-II) Is Not In Demand | International Society of Automation (ISA) | ![]() |
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Certified Control Systems Technician - Level III (CCST-III) Is Not In Demand | International Society of Automation (ISA) | ![]() |
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API 1169 Pipeline Inspector Program Is Not In Demand | American Petroleum Institute (API) | ![]() |
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Certified Professional in Municipal Stormwater Management (CPMSM) Is Not In Demand | EnviroCert International | ![]() |
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Mechanical Code Specialist - M8 Is Not In Demand | International Code Council (ICC) | ![]() |
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Plumbing Code Specialist - P8 Is Not In Demand | International Code Council (ICC) | ![]() |
State Licenses
Some states have specific licensing requirements for the following related civilian occupations. These state licenses may require additional education, training or experience. Click on the occupation below to get more information on state requirements from the U.S. Department of Labor.
- Construction and Building Inspectors
- Construction Managers
- Control and Valve Installers and Repairers, Except Mechanical Door
- First-Line Supervisors of Construction Trades and Extraction Workers
- First-Line Supervisors of Mechanics, Installers, and Repairers
- Helpers--Pipelayers, Plumbers, Pipefitters, and Steamfitters
- Hoist and Winch Operators
- Maintenance and Repair Workers, General
- Operating Engineers and Other Construction Equipment Operators
- Pipe Fitters and Steamfitters
- Pipelayers
- Plumbers
- Riggers
- Stationary Engineers and Boiler Operators
Related Civilian Private Sector Occupations
The following civilian private sector occupations are similar to the duties performed by 4204 - Pipefitting. These occupations may require additional education, training or experience. For more information about these occupations, click on the civilian occupation below.
Civilian Job | Duties Matched | Bright Outlook | Registered Apprenticeship | Local Salary Info | |
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Construction and Building Inspectors |
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Construction Managers |
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Control and Valve Installers and Repairers, Except Mechanical Door |
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First-Line Supervisors of Construction Trades and Extraction Workers |
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First-Line Supervisors of Mechanics, Installers, and Repairers |
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Helpers--Pipelayers, Plumbers, Pipefitters, and Steamfitters |
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Hoist and Winch Operators |
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Maintenance and Repair Workers, General |
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Operating Engineers and Other Construction Equipment Operators |
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Pipe Fitters and Steamfitters |
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Pipelayers |
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Plumbers |
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Riggers |
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Stationary Engineers and Boiler Operators |
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