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Mechanical Engineer

Architect of the Capitol
Washington, DC Full Time
POSTED ON 1/28/2026 CLOSED ON 2/26/2026

What are the responsibilities and job description for the Mechanical Engineer position at Architect of the Capitol?

Duties

Summary

This position is located in the Architect of the Capitol, Office of the Chief Engineer, Planning and Design Division, Planning, Energy, and Architecture Branch, Fire Protection and Mechanical Engineering Section. The selectee will be responsible for carrying out projects involving the design, installation, replacement, modernization, inspection and testing of central heating, cooling, and plumbing systems.

Requirements

Qualifications

You must meet the United States Office of Personnel Management's (OPM) qualification requirements (including specialized experience and/or educational requirements) for the advertised position. You must meet all eligibility and qualifications requirements by the closing date of the job announcement. Additional information on the qualification requirements is outlined in the OPM Qualifications Standards Handbook of General Schedule Positions. It is available for your review on the OPM web site at OPM qualification standards Specialized experience is experience that has equipped you with the particular knowledge, skills and abilities to perform successfully the duties of the position, and that is typically in or related to the position to be filled. To be creditable, specialized experience must have been equivalent to at least the next lower grade level. For the GS-11: Candidates for the GS-11 grade level must have at least 52 weeks of specialized experience equivalent to the next lower (GS-09) grade level in the Federal service. Specialized experience for the GS-11 position must demonstrate the following: Supporting project managers and assisting in the design of mechanical engineering projects focused on heating, ventilation and air conditioning (HVAC), refrigeration, plumbing, energy and water conservation, Building Automation System (BAS), and Indoor Air Quality (IAQ) for buildings and facilities. Preparing design documents and providing technical advice on the design, installation, testing, acquisition and evaluation efforts for mechanical systems and equipment for buildings and facilities. Serving as a Contracting Officer’s Technical Representative (COTR) or equivalent for mechanical engineering projects. --OR-- 3 years of progressively higher level graduate education leading to a Ph.D. degree or Ph.D. or equivalent doctoral degree: Major study in architecture, engineering, building construction, or other fields related to the position. --OR-- Combination of specialized experience and education. For the GS-12: Candidates for the GS-12 grade level must have at least 52 weeks of specialized experience equivalent to the next lower (GS-11) grade level in the Federal service. Specialized experience for the GS-12 position includes the following: Designing and/or leading mechanical engineering projects focused on heating, ventilation and air conditioning (HVAC), refrigeration, plumbing, energy and water conservation, Building Automation System (BAS), and Indoor Air Quality (IAQ) for buildings and facilities. Planning design work, developing requirements and providing technical advice on the design, installation, testing, acquisition and evaluation efforts for mechanical systems and equipment for buildings and facilities. Serving as a Contracting Officer’s Technical Representative (COTR) or equivalent and/or performing contract/construction administration to ensure adequate oversight of contractor performance for mechanical engineering projects.

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 U.S. Botanic Garden. Learn more at https://www.aoc.gov/careers. The AOC prides itself on its Core Values of Respect, Integrity, Safety and Empower (RISE).

Salary.com Estimation for Mechanical Engineer in Washington, DC
$106,794 to $128,655
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