Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Mechanical Engineer, PE

$119.8k - $142.9k

EXP US Services

Mechanical Engineer, PE – Mid-Level

Exp Federal delivers full-service Architecture & Engineering services, construction, and facility management services throughout the world. Exp Federal's mission is to provide superior technical solutions to the U.S. federal government utilizing skilled personnel familiar with working throughout the United States and overseas.

The Challenge:

We are seeking a Mechanical Engineer with HVAC and Plumbing design experience to support our office located in Atlanta, GA, Chicago, IL or Washington D.C. (Chantilly, VA).

Principle Areas of Responsibility:

  • Under general supervision, utilizing technical expertise or overseeing a specific area within established practices and guidelines, by management of Exp Federal or its subsidiaries. The purpose of this position is to provide the essential design, administrative reports, technical knowledge, and direction for the job functions listed below with the objective of ensuring exp's competitiveness within the global marketplace by delivering quality services of unmatched value. The Mechanical Engineer is responsible for mechanical engineering work.
  • Provides design, quality assurance for ongoing construction projects in the HVAC and Plumbing vertical design space.
  • Reviews contractor submittals.
  • Prepares responses to Requests for Information (RFI).
  • Evaluates proposed submittal substitutions; makes recommendations to OBO/PD.
  • Coordinates the development of Independent Government Estimates (IGEs) for modifications and change orders.
  • Reviews and evaluates design calculations and data.
  • Prepares Monthly Progress Report summarizing project status.
  • Travels onsite to project fields for client meetings and site inspections and visits: ~25% requirement

Required Qualifications:

  • Bachelor's degree in architecture from an accredited university
  • 7-10 years HVAC design experience.
  • Professional Engineer (PE) License is required.
  • Autodesk Revit proficiency is required.
  • Load Calculation and Energy Modeling experience using Trace 3D plus or other Energy Plus based software is required.
  • Vertical building design experience required.
  • The ability to travel internationally.
  • Candidate must be able to obtain and maintain a security clearance.

Preferred Qualifications:

  • Supervisory experience is a plus.
  • HVAC and Plumbing Experience
  • Knowledge of Commissioning

Optional Experience:

  • Experience with facilities for clients in the Federal Government sector is highly desirable.

Salary Base:

This full-time position as a Mechanical Engineer, level III has an annual base range of $119,800-$142,900. This position is eligible for overtime in accordance with local, state, and federal requirements. The actual hourly rate is based on several factors that are unique to each candidate, including but not limited to skill set, depth of experience, certifications, and specific work location. This may be different in other locations due to differences in the cost of labor.

More About Us:

Exp Federal delivers full-service Architectural & Engineering and Design-Build solutions. You will be part of an expanding team that works collaboratively across our wider exp Federal design studios. As part of a project team, you will have the opportunity to work on a variety of projects that keep you engaged and showcase your individual talents. We believe in identifying potential in people and then providing opportunities to achieve success.

Our employees work on complex projects that require innovative, efficient solutions, and collaboration across various disciplines. Joining our team is a commitment to meaningful work supporting federal government clients across multiple sectors. Employees and clients alike will look to you for results that exceed their expectations.

Our Values:

Respect: We respect people, honor diversity, and treat each other fairly. These are the cornerstones of our culture and the key to our culture and the key to our ability to work successfully as a global team.

Unquestioned Integrity: We operate with the highest standards of honesty and responsibility – as individuals and as a corporation. We're people who meet routine, everyday obligations with honesty.

Safety: We place the highest priority on the health and safety of our employees and protection of our assets and the environment. Our goal is zero work-related injuries.

Customer Service: We listen and respond to the changing needs of our customers, the industry, and the environment, and draw upon lessons learned from our experiences around the world.

Impeccable Quality: We recognize that quality is fundamental in all our operations — it is everyone's responsibility. We have established procedures, assessments, and continuous improvement processes in place to ensure the quality of our work.

Sustainability: We understand the impact of our work on the environment and that sustainability is a part of everything we do. We work with customers to provide responsible, efficient, healthy, and effective project solutions to reduce our overall environmental impact.

What We Offer:

  • Exp onential full-time professional growth and development
  • Fast-paced and professional work culture
  • Health insurance including medical, dental, and vision
  • Health Savings Account and Flexible Savings Account options
  • Company HSA funding contributions
  • Company-sponsored Long-Term Disability, Short-Term Disability, and Life Insurance
  • 401(k) employer match
  • Wellness reimbursement on fitness memberships and other qualified programs
  • Pre-tax funds on qualified transportation and parking expenses
  • Learning & Development tuition reimbursement
  • Generous PTO policy

What Happens Next?

Our Talent Engagement Team will contact you via email to let you know what next steps at exp Federal look like for you! Make sure to check your spam. Don't worry, if you are not selected to move forward in the interview process, we will keep your resume on file for future opportunities you may be a better fit for.

Actual compensation packages are based on several factors that are unique to each candidate, including but not limited to skill set, depth of experience, certifications, and specific work location. This may be different in other locations due to differences in the cost of labor.

Exp Federal is proud to be an Equal Opportunity Employer who fully and actively supports equal access for all people regardless of Race, Color, Religion, Gender, Age, National Origin, Veteran Status, Disability, Genetic Information or Testing, Family and Medical Leave, Sexual Orientation, and Gender Identity or Expression. U.S. Citizenship is required for our positions in accordance with 8 U.S.C. 1324b.2c.

Should you need any special accommodations, please feel free to contact us at View email address on click.appcast.io and we will arrange for the most suitable accommodations based on your needs.

Beware of Fraudulent Job Postings

Please be aware of recruitment scams where people or entities are misusing the name of exp Federal/exp Federal Pacific to post fraudulent job postings. We will never charge a fee for joining our company or to vet the authenticity of an employee or applicant.

Vacancy posted 4 days ago
Similar jobs that could be interesting for youBased on the Mechanical Engineer, PE in Chantilly, Loudoun County, VA vacancy
  • $145k - $200k

    OverviewVTG is seeking a Space Vehicle Attitude Control Systems Engineer, in Chantilly, VA. In this role, you will be responsible for...  ...space program. You will be an integral participant in ACS and mechanical actuator design, requirements development & verification, and... 
    Suggested
    Work experience placement

    VTG

    Chantilly, Loudoun County, VA
    19 hours ago
  • $131.3k - $237.35k

     ...to protect people and critical assets. To explore and learn more, click here! Your greatest work is ahead!Leidos is seeking a Mechanical Engineer to support a government contract in the National Capital Region (NCR). The ideal candidate will have experience assembling... 
    Suggested
    Full time
    Contract work
    Work experience placement
    Work at office

    Leidos

    Chantilly, Loudoun County, VA
    19 hours ago
  • $86.8k - $198k

    Mechanical EngineerThe Opportunity:Provide mechanical engineering review, coordination, and oversight for operations, maintenance, repair, and construction work and oversee...  ...in Mechanical EngineeringProfessional Engineer (PE) LicenseEIT CertificationClearance:Applicants... 
    Suggested
    Full time
    Contract work
    Part time
    For contractors
    Work at office
    Local area
    Remote work

    Booz Allen Hamilton

    Chantilly, Loudoun County, VA
    4 days ago
  • $83.4k - $125.2k

     ...others think is impossible. Our employees are not only part of history, they're making history.Northrop Grumman is seeking a Mechanical Engineer / Principal Mechanical Engineer to join Mission Systems Discipline Engineering Organization. This position will be located in... 
    Suggested
    Full time
    Relocation package
    Shift work

    Northrop Grumman

    Chantilly, Loudoun County, VA
    19 hours ago
  • DescriptionSAIC is seeking a Spacecraft Mechanical Engineer. This position is located in Chantilly, VA and requires an active TS/SCI clearance with Polygraph. In this role, you will be an integral participant in spacecraft mechanical requirements development, design analysis... 
    Suggested
    For contractors

    Science Applications International Corporation

    Chantilly, Loudoun County, VA
    19 hours ago
  • $113.52k - $198k

     ...different here: Position Overview: As a Lead and Senior Mechanical Engineer with a specialization in HVAC design at Henderson Engineers,...  ...experience without degree required. Professional Engineering (PE) license may be counted toward 1 year of direct experience.... 
    Casual work
    Flexible hours

    Henderson Engineers

    Chantilly, Loudoun County, VA
    2 days ago
  • $129k - $171k

     ...environment with limited personnel. Working across product, engineering, sales, logistics, operations, and mission success, the Space...  ...operational environments. ABOUT THE JOB We are looking for Mechanical Engineers to join our rapidly growing team in Chantilly, VA.... 
    Full time
    Work experience placement
    Immediate start

    Anduril Industries

    Chantilly, Loudoun County, VA
    3 days ago
  • $100k - $150k

     ...Job Title: Mechanical Engineer Job Description We are seeking a skilled Mechanical Engineer to join our dynamic team. You will be responsible...  ...Engineering. Additional Skills & Qualifications EIT/PE certification is a plus. Experience with HVAC system... 
    Permanent employment
    Temporary work
    Work from home
    Flexible hours

    Actalent

    Chantilly, Loudoun County, VA
    2 days ago
  • $65k - $85k

     ...Mechanical Engineer Job Locations US-VA-Chantilly ID 2026-11199 # of Openings 1 Clearance Tier 3 - Secret/ADP II Company Overview Veraxx Engineering Corporation, a By Light Company is an engineering services company... 
    Internship

    By Light Professional IT Services

    Chantilly, Loudoun County, VA
    4 days ago
  • $292k - $386k

     ...environment with limited personnel. Working across product, engineering, sales, logistics, operations, and mission success, the Space...  ...operation campaigns, with a specialty in either electrical, mechanical, software, or systems engineering ~10+ years of industry experience... 
    Full time
    Work experience placement
    Immediate start

    ClearanceJobs

    Chantilly, Loudoun County, VA
    4 days ago
  • $129k - $171k

     ...Mechanical Engineer, Space Chantilly, Virginia, United States; Herndon, Virginia, United States Anduril Industries is a defense technology company with a mission to transform U.S. and allied military capabilities with advanced technology. By bringing the expertise... 
    Full time
    Work experience placement

    anduril

    Chantilly, Loudoun County, VA
    4 days ago
  • $102k - $189k

    Job Title: Senior Specialist, Integration & Test Engineer (Mechanical Integration Engineer)Job Code: 38547Job Location: Chantilly, VA (On-Site)Job Schedule: 9/80: Employees work 9 out of every 14 days - totaling 80 hours worked, and have every other Friday offJob Description... 
    For contractors
    Flexible hours

    L3Harris Technologies

    Chantilly, Loudoun County, VA
    19 hours ago
  • $114k - $171k

     ...history.Northrop Grumman’s Space Sector is seeking a Principal Engineer (Level 3) to join our team in Dulles or Chantilly, VA. This...  ...Experience in any of the following areas is also desired: orbital mechanics, orbital debris modeling, spacecraft attitude control, power... 
    Full time
    Remote work
    Relocation package
    Shift work

    Northrop Grumman

    Chantilly, Loudoun County, VA
    1 day ago
  • BT-379 - Tools Developer Skill Level- Subject Matter Expert Location: Chantilly, VA (fully on-site, no remote option) **Please do NOT apply if you do not have an active Poly clearance. Those without a Poly will not be considered.** Required Skills: Demonstrated...
    For contractors
    Remote work

    Bespoke Technologies LLC

    Chantilly, Loudoun County, VA
    2 days ago
  • $149k - $170k

     ...Opto-Mechanical Engineer FTS International, LLC (FTS) is committed to providing the Federal Government with quality consultants and support. To ensure mission success we focus on putting our customers first while minimizing corporate bureaucracy on our staff. We provide... 
    Temporary work

    FTS International

    Chantilly, Loudoun County, VA
    1 day ago
  • $107.9k - $195.05k

    Unleash Your PotentialLeidos is seeking a Senior Network Tool Engineer to support the Digital Modernization sector. At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customer’s success. We empower... 
    Full time

    Leidos

    Chantilly, Loudoun County, VA
    19 hours ago
  • $86.8k - $198k

    Overview Mechanical Engineer - provide engineering review, coordination, and oversight for operations, maintenance, repair, and construction work...  ...Certification. EIT Certification. Professional Engineer (PE) License. Clearance Applicants selected will be subject to a... 
    Contract work
    For contractors
    Work at office
    Remote work

    Phase2 Technology

    Chantilly, Loudoun County, VA
    4 days ago
  •  ...to bring mobile broadband to billions, pull hundreds of millions out of poverty, and save countless lives. Job Summary: As a Mechanical Engineer at Lynk, you will be responsible for the analysis, design, build, and enhancement of the mechanical systems associated with... 
    Work at office

    Lynk Global

    Chantilly, Loudoun County, VA
    4 days ago
  • $131.3k - $237.35k

    Description Leidos is seeking a Mechanical Engineer to support a government contract in the National Capital Region (NCR). The ideal candidate will have experience assembling multi‑part systems with knowledge of mechanical design for manufacturing, machining and adhesives... 
    Contract work
    Work experience placement
    Work at office

    Fairygodboss

    Chantilly, Loudoun County, VA
    4 days ago
  • $131.3k - $237.35k

    Job Title: Mechanical Engineer (Government Contract) Location: National Capital Region (NCR) Responsibilities Assist with design and development of engineering solutions to meet unique and complex customer requirements. Assemble and produce multi-part systems in quantity... 
    Contract work
    Work experience placement
    Work at office

    Leidos Inc

    Chantilly, Loudoun County, VA
    4 days ago
  •  ...Description Job Description Description: As a Design Team Mechanical Engineer, you will support the design and delivery of mechanical...  ...Preferred qualifications include a Professional Engineering (PE) license. · Demonstrated experience with redundancy strategies... 
    For contractors
    Local area

    Worldwide Mission Critical LLC

    Chantilly, Loudoun County, VA
    21 days ago
  •  ...Job Description Job Description Description: As a Senior Mechanical Design Engineer, you will serve as the technical authority for mechanical...  ...and associated control systems. · Professional Engineering (PE) license required. · Demonstrated experience with... 
    For contractors
    Local area

    Worldwide Mission Critical LLC

    Chantilly, Loudoun County, VA
    17 days ago
  •  ...deliver clean, maintainable code. Who We Are : Ardent Principles delivers cutting‑edge capabilities across data science, data engineering, software engineering, AI solutions, cybersecurity, staff augmentation, and IT program management. We thrive at the intersection... 
    Full time

    Ardent Principles, Inc.

    Chantilly, Loudoun County, VA
    3 days ago
  • $5,000 per month

     ...capabilities. The Spacecraft Operations and Systems Integration Engineer supports the operational readiness, integration, sustainment,...  ...Overview LV8D Solutions is looking for a Telescope Opto-mechanical Engineer with Space Domain Operations experience to support a... 
    Contract work
    Temporary work
    For contractors
    Work at office
    Immediate start
    Flexible hours

    LV8D Solutions

    Chantilly, Loudoun County, VA
    17 days ago
  • $150k - $190k

     ...that transform the world for good. Your impact Knack Works, a Jacobs Company, has an opening for a Senior Network/Systems Tools Engineer to support the Intelligence Sector.The job duties are as follows:• System Architecture: Design, implement, and maintain the OpenText... 
    Full time
    Work at office
    Immediate start

    Jacobs

    Chantilly, Loudoun County, VA
    19 hours ago
  • $180k - $240k

     ...Job Description Job Description Space Systems Integration (SSI) is a fast-growing engineering company that provides aerospace solutions to a variety of government and commercial customers.  Our employees are forward-thinking, self-directed individuals who are committed... 
    Contract work
    For contractors
    Work at office
    Local area

    Space Systems Integration

    Chantilly, Loudoun County, VA
    26 days ago
  •  ...motivated and experienced individuals to join our team as Equipment Engineers and Process Engineers. These roles are essential for ensuring...  ...performance and continuous improvement of our Chemical Mechanical Planarization (CMP), Diffusion and Implant, Photolithography,... 
    Local area
    Immediate start

    Micron

    Manassas, VA
    19 hours ago
  • $85k - $110k

     ...with our team to discuss your goals and experience. Minimum 5 years of HVAC project management experience Experience in mechanical, HVAC, or plumbing construction High school diploma or equivalent Strong knowledge of construction scheduling, budgeting, estimating... 
    Full time
    For subcontractor
    Local area

    Yellowstone Local

    Chantilly, Loudoun County, VA
    13 hours ago
  •  ...Description: This position is contingent upon award. Active TS/SCI with CI Poly required prior to consideration. The Cyber Tools Engineer IV provides support to the customer in the area of Cyber Security. Daily Tasks include, but are not limited to: Support the... 

    RDR Inc

    Chantilly, Loudoun County, VA
    more than 2 months ago
  •  ...candidate to join our talented Team.Job Title: AI Coding Tools EngineerJob Location: Chantilly, VA.Job Description.The AI Coding Tools Engineer (GenAI & Agentic Systems) evaluates, pilots, operationalizes, maintains, and scales adoption of secure AI coding assistant tools... 
    Work at office

    Ampcus

    Chantilly, Loudoun County, VA
    2 days ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Mechanical Engineer, PE. Be the first to apply!