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Pipefitter

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Onsite

Pipefitter

Architect of the Capitol

Pipefitter

20 days ago

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Important information


Contract type:

Permanent

Location:

Washington, DC, USA

Work mode:

Onsite

Published on:

2 October 2026

What they need


Duties Summary We love our jobs. Do you? This position is located in the esteemed Architect of the Capitol, Library Building and Grounds, Maintenance Branch, Plumbing Section. As a Pipefitter, you will troubleshoot, repair, and install pipefitting system components in assigned Capitol Complex work sites that include monumental historic buildings with a complex infrastructure. The position is considered essential and is required to report during emergency closures.

Requirements Qualifications You must meet all eligibility and qualification requirements by the closing date of the job announcement. You must meet the following SCREEN-OUT(S) required for this position: For WG-10 Ability to perform journey level pipefitting work without more than normal supervision. (Screen-out Factor) including: Inspecting and troubleshooting piping systems, equipment, and fixtures; Using plumbing and pipefitting trade tools and equipment such as grinders, flanges, hand and power pipe threaders, pipe cutters, and pipe wrenches; Installing, modifying, and repairing water heaters, hot water tanks, pumps, kitchen equipment, and sprinkler systems; and Testing piping systems and related equipment to ensure proper circulation, flow, pressure, and leak‐free joints. For WG-11 Ability to perform expert level pipefitting work without more than normal supervision. (Screen-out Factor) including: Planning and laying out the installation, modification, and repair of new and existing piping systems and equipment; Using the Building Automation System (BAS) to troubleshoot systems, pumps, and motors, verify operating conditions, and making necessary adjustments to support building operations; and Attaching pipe sections by screwing, bolting, brazing, welding, gluing, fusing, or soldering.

The mission of the Architect of the Capitol (AOC) is to serve Congress and the Supreme Court, preserve America's Capitol and inspire memorable experiences. The AOC is responsible for the maintenance, operation, development and preservation of 18.4 million square feet of buildings and more than 570 acres of land throughout Capitol Hill. The AOC provides a welcoming and educational environment for millions of visitors through the U.S. Capitol Visitor Center and the US Botanic Garden. Learn more at https://www.aoc.gov/careers. The AOC prides itself on its Core Values of Respect, Integrity, Safety, and Empowerment (RISE). The Library of Congress (LOC) is the largest library in the world, with millions of books, films and video, audio recordings, photographs, newspapers, maps and manuscripts in its collections. It is the main research arm of the U.S. Congress and the home of the U.S. Copyright Office. The LOC of today is built on the efforts of generations of public servants, driven by its mission to preserve and provide access to a rich, diverse, and enduring source of knowledge to inform, inspire, and engage you in your intellectual and creative endeavors. The Library Buildings and Grounds jurisdiction is responsible for the life-cycle maintenance, operation, development, and stewardship of the LOC facilities and surrounding grounds, including three incredibly monumental, historic buildings: the Thomas Jefferson, John Adams, and James Madison Memorial Buildings.

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