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Mechanical Engineer (Engineer IV)

Lensa
Fairfax, VA Full Time
POSTED ON 1/5/2026
AVAILABLE BEFORE 2/2/2026
Lensa is a career site that helps job seekers find great jobs in the US. We are not a staffing firm or agency. Lensa does not hire directly for these jobs, but promotes jobs on LinkedIn on behalf of its direct clients, recruitment ad agencies, and marketing partners. Lensa partners with DirectEmployers to promote this job for Fairfax County Sheriff's Office. Clicking "Apply Now" or "Read more" on Lensa redirects you to the job board/employer site. Any information collected there is subject to their terms and privacy notice.

Mechanical Engineer (Engineer IV)

Print (https://www.governmentjobs.com/careers/fairfaxcounty/jobs/newprint/5164526)

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Mechanical Engineer (Engineer IV)

Salary

$87,024.91 - $145,041.94 Annually

Location

FAIRFAX (EJ32), VA

Job Type

FT Salary W BN

Job Number

25-02173

Department

Facilities Management

Opening Date

12/13/2025

Closing Date

1/9/2026 11:59 PM Eastern

Pay Grade

S29

Posting Type

Open to General Public

  • Description
  • Benefits
  • Questions

Job Announcement

$5,000 Signing Bonus*

This position provides senior level leadership and is responsible for the overall development and management of large scale and/or multiple complex capital and non-capital projects for and in occupied spaces OR development and management of cross- functional capital renewal projects for and in occupied spaces that require working with all department and/or county levels and groups specific to the project design and implementation to address specific business needs. Works under the guidance and general direction of the Project Coordinator (Principal Engineer) and/or Division Director of Design, Engineering and Construction.

Other Duties Include

  • Responsible and authorized to lead design projects and resolve construction issues as primary representative of Fairfax County.
  • Establishes project objectives and performance standards. Performs difficult professional engineering work in managing and participating in the design, installation, operation and maintenance of HVAC, Building Automation Systems (BAS), and plumbing equipment and systems (new, renovation and renewal).
  • Performs review and analysis of plans and specifications for HVAC and plumbing features and compliance with code requirements.
  • Serve as department subject matter expert and subject matter expert to multiple other county departments and agencies.
  • As a registered professional engineer, leverages a strong technical background, excellence in design, attention to detail and quality control to perform and review mechanical engineering calculations, reports, construction drawings, specifications, schedules and budgets for commercial building mechanical, plumbing systems, and building automation systems.
  • As licensed professional mechanical engineer signs and seals own work product.
  • Ensures the timely completion of projects assigned consistent with quality standards of the Facilities Management Department (FMD) and industry standards, as well as ensuring projects are financially and operationally viable and completed in a cost-efficient manner.

Click here (https://www.youtube.com/watch?v=73BU3J2n3G8) to watch a short video and learn more about this exciting opportunity.

Note: This position is designated as an essential employee.

  • A $5,000 signing bonus is available to new county employees hired in the Engineer IV position.

Employment Standards

Minimum Qualifications

Any combination of education, experience, and training equivalent to the following: (https://www.fairfaxcounty.gov/hr/equivalencies-education-and-experience) (Click on the aforementioned link to learn how Fairfax County interprets equivalencies for “Any combination, experience, and training equivalent to”)

Graduation from a four-year college or university accredited by the Accreditation Board of Engineering and Technologies with a bachelor's degree in the appropriate engineering or architectural field; plus, four years of progressively responsible professional experience in the appropriate engineering or architectural field.

Certificates And Licenses Required

  • Valid driver's license
  • Valid Professional Mechanical Engineer License for the state of Virginia. An individual who possesses a valid Professional Engineer license in another state will be granted a temporary exemption of a maximum of six months to this requirement pending the Virginia Board for Professional Engineers decision regarding that individual's application for reciprocity.

Necessary Special Requirements

The appointee to this position will be required to complete a criminal background check and driving record check to the satisfaction of the employer.

Preferred Qualifications

  • Valid professional mechanical engineer license in the state of Virginia.
  • 5 years of experience as a lead mechanical P.E. responsible for design and sealing of commercial building mechanical and plumbing system projects.
  • 3 years of experience as a lead mechanical P.E. with design of commercial building automation systems managing commercial building HVAC systems and operations and the design and construction of critical building mechanical and plumbing design and construction projects.
  • Experience for designing and construction of life cycle mechanical systems and component replacement in occupied mission critical commercial buildings.
  • Strong background in energy management informing, validating and optimizing commercial building mechanical, automation and plumbing systems design and operation.
  • Experience managing project design contracts.
  • Strong contract management skills.
  • Strong staff management skills.

Physical Requirements

Ability to climb ladders, access tight spaces, crawl, reach, lift 25 lbs., push 25 lbs., etc. Ability to work with extended exposure to outside environment including harsh weather as well as inside environments of extreme heat and cold. All duties performed with or without reasonable accommodations. Dexterity to use hand tools. Must be able to access facility equipment and equipment rooms. Must be able to communicate by phone. Must be mobile to access active construction sites. Must communicate with others verbally and in writing. Must drive a motor vehicle. Vision to see detail drawings, construction and discern color. All duties performed with or without reasonable accommodations.

Selection Procedure

Panel interview and may include exercise.

Note: This job announcement is listed with a closing date of 1/9/2026, and interested applicants are advised to submit their applications as soon as possible. Interviews will be conducted on a regular basis throughout the recruitment with candidates whose qualifications best fit our needs. If your application is received later in the recruitment process, it may not be reviewed or considered. The application process may close prior to the currently advertised closing date when the position has been filled.

Bonus Eligibility

Positions within this classification that are general merit may be eligible for a one-time hiring incentive bonus for new county employees only. This bonus program requires a signed payback agreement between the department and employee.

Fairfax County is home to a highly diverse population, with a significant number of residents speaking languages other than English at home (including Spanish, Asian/Pacific Islander, Indo-European, and many others (https://www.fairfaxcounty.gov/demographics/fairfax-county-general-overview) .) We encourage candidates who are bilingual in English and another language to apply for this opportunity.

Fairfax County Government prohibits discrimination on the basis of race, color, religion, national origin, sex, pregnancy, childbirth or related medical conditions, age, marital status, disability, sexual orientation, gender identity, genetics, political affiliation, or military status in the recruitment, selection, and hiring of its workforce.

Reasonable accommodations are available to persons with disabilities during application and/or interview processes per the Americans with Disabilities Act. TTY 703-222-7314. DHREmployment@fairfaxcounty.gov EEO/AA/TTY.

If you have questions about this posting, please contact support@lensa.com

Salary : $87,025 - $145,042

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