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Senior Mechanical Engineer Government Jobs (NOW HIRING)

The Building People

Senior Mechanical Engineer

Washington, DC · On-site

$118K - $156K/yr

The Building People, LLC seeks a Senior Mechanical Engineer to provide on-call mechanical engineering services in support of government facility projects and evaluations. The Senior Mechanical ...

Link Technical Talent

Senior Mechanical Engineer

Peoria, IL · On-site

$102K - $135K/yr

Senior Mechanical Engineer - Manufacturing Peoria, IL + Relocation Assistance $120,000 - $150,000 + Career Progression + Specialist Training + Relocation Assistance + Excellent Company Benefits Are ...

Oceaneering

Sr. Mechanical Engineer

Hanover, MD · On-site

$81 - $121/hr

The Senior Mechanical Engineer (ME-II) independently applies an advanced knowledge of engineering ... Ability to obtain a United States Government Department of Defense Security Clearance (active ...

LXC ENGINEERING GROUP

Mechanical Engineer

Saugus, MA · On-site

$75K - $120K/yr

... government, school, and healthcare facilities * Preparation of construction documents, including drawings, specifications, calculations, and details · Sr. Mechanical Engineer will be responsible for ...

LXC ENGINEERING GROUP

Mechanical Engineer

Saugus, MA · On-site

$75K - $120K/yr

... government, school, and healthcare facilities * Preparation of construction documents, including drawings, specifications, calculations, and details · Sr. Mechanical Engineer will be responsible for ...

LXC ENGINEERING GROUP

Mechanical Engineer

Saugus, MA · On-site

$75K - $120K/yr

... government, school, and healthcare facilities * Preparation of construction documents, including drawings, specifications, calculations, and details · Sr. Mechanical Engineer will be responsible for ...

W3Global Inc.

Sr. Mechanical Engineer

Richmond, VA · Hybrid

$105K - $1M/yr

Purpose - The Senior Mechanical Engineer provides engineering and consulting services to the client ... government markets * Professional Engineers license in the state of Virginia, or the ability to ...

H. T. PROF Group

Senior Mechanical Engineer

Baltimore, MD · On-site

$90 - $120/hr

A leading engineering firm is seeking a licensed Senior Mechanical Engineer to lead HVAC and plumbing system projects across commercial, institutional, and government sectors. This role combines ...

Echodyne Corp

Senior Mechanical Engineer

Kirkland, WA · On-site

$118K - $156K/yr

Echodyne is seeking a Sr. Mechanical Engineer to join our fast-growing team. REQUIRED SKILLS ... S. Government and we must evaluate an applicant's eligibility to handle export-controlled ...

Raya Workforce

Senior Mechanical Engineer

Chicago, IL · On-site

$107K - $142K/yr

The firm is seeking a Senior Mechanical Engineer with 8+ years of HVAC and plumbing design ... government projects. This position plays a key role in project leadership, client interaction, and ...

Berriehill Research

Senior Mechanical Engineer

Reston, VA · On-site

$110K - $150K/yr

Are you a mechanical engineer virtuoso with a passion for engineering the world? Join us as a ... senior-level government representatives * Must be a US Citizen * Ability to clearly express in ...

Amentum

Senior Mechanical Engineer

Oak Ridge, TN · On-site

$99K - $131K/yr

As a senior-level mechanical engineer, you will serve as a technical leader responsible for the design, coordination, and delivery of building mechanical systems for industrial and government ...

Pae

Senior Mechanical Engineer

Oak Ridge, TN · On-site +1

$99K - $131K/yr

As a senior-level mechanical engineer, you will serve as a technical leader responsible for the design, coordination, and delivery of building mechanical systems for industrial and government ...

ARA

Senior Mechanical Engineer

Reston, VA · On-site

$110K - $150K/yr

Are you a mechanical engineer virtuoso with a passion for engineering the world? Join us as a ... senior-level government representatives * Must be a US Citizen * Ability to clearly express in ...

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Senior Mechanical Engineer Government information

See salary details

$74.5K

$122.6K

$171K

How much do senior mechanical engineer government jobs pay per year?

As of Sep 5, 2026, the average yearly pay for senior mechanical engineer government in the United States is $122,564.00, according to ZipRecruiter salary data. Most workers in this role earn between $104,500.00 and $138,000.00 per year, depending on experience, location, and employer.

Can a Senior Mechanical Engineer work for the government?

Yes, a Senior Mechanical Engineer can work for the government, often in roles related to infrastructure, defense, or public works. These positions typically require relevant engineering licenses, security clearances, and knowledge of government regulations and standards.

Which government job is best for a senior mechanical engineer?

A senior mechanical engineer can find suitable government roles such as mechanical engineer in public works departments, defense, or energy agencies. These positions often require relevant experience, security clearances, and proficiency with CAD software and engineering standards. They typically offer stable employment, competitive salaries, and opportunities for advancement.

What cities are hiring for Senior Mechanical Engineer Government jobs?

Cities with the most Senior Mechanical Engineer Government job openings:

What are the most commonly searched types of Mechanical Engineer Government jobs?

The most popular types of Mechanical Engineer Government jobs are:

What states have the most Senior Mechanical Engineer Government jobs?

States with the most job openings for Senior Mechanical Engineer Government jobs include:

Senior Mechanical Engineer Government jobs near you

Senior Mechanical Engineer

The Building People

Washington, DC • On-site

$118K - $156K/yr

Full-time

Re-posted 20 days ago

Job description


Please note that this position is for an upcoming position. We are, however, accepting applications for this anticipated need. If you are interested in joining The Building People, we encourage you to APPLY TODAY! 

The Building People, LLC seeks a Senior Mechanical Engineer to provide on-call mechanical engineering services in support of government facility projects and evaluations. The Senior Mechanical Engineer performs building evaluations, surveys, studies, and design work; reviews construction documents; and documents systems including heating, ventilating, and air conditioning (HVAC), hydronic piping, steam systems, chilled water systems, and complex alternative HVAC systems. The role encompasses load calculations, design of facility management and control systems, energy modeling and analysis, code reviews, value engineering, life cycle cost analysis, quality control, construction administration, and related services.

Required Experience & Skills

  • Minimum of 10 years of relevant work experience in mechanical engineering within building systems environments
  • Experience performing building evaluations, surveys, engineering studies, and developing detailed design documentation for HVAC and mechanical systems
  • Proficiency in load calculations for complex mechanical systems in commercial or federal facilities
  • Experience with hydronic piping, steam, and chilled water systems design and specification
  • Demonstrated ability to perform energy modeling and analysis, life cycle cost analyses, and value engineering studies
  • Experience creating and editing engineering specifications and reviewing construction documents
  • Knowledge of applicable mechanical engineering codes and standards for commercial and federal facilities
  • Experience providing quality control review and construction administration support
  • All personnel must obtain and maintain a Public Trust (Level 3) security clearance.

 

Preferred Experience & Skills 

  • Experience with alternative or complex HVAC systems design for large federal or law enforcement facilities
  • Familiarity with GSA construction standards and federal facility management and control systems
  • Experience designing facility management and automated control systems

 

Required Education

  • Bachelor of Science (B.S.) or Master of Science (M.S.) Degree in Mechanical Engineering from an accredited university engineering program
    Active registration as a Professional Engineer (P.E.) in the relevant jurisdiction

Preferred Education

  • Master of Science (M.S.) Degree in Mechanical Engineering
  • Additional training or credentials in energy modeling or building systems commissioning