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Mechanical Engineer

Toyon
Ashburn, VA Full Time
POSTED ON 11/19/2025
AVAILABLE BEFORE 1/18/2026

Description

U.S. Citizenship Required. This position requires a current SECRET or TOP SECRET clearance. Candidate must be SAP and SCI program eligible.


The position is in-person and not remote.


Toyon is seeking a Mechanical Engineer to support a critical infrastructure protection program. In this role, you will work closely with Toyon’s engineering team and client stakeholders, supporting the analysis and design of specialized air handling units, development of drawings and specifications, and troubleshooting operational issues. Job assignments include a range of office and on-site work to meet with stakeholders and oversee implementation of government-approved initiatives.

Requirements

  • Bachelor’s degree in Architectural or Mechanical Engineering and a minimum of 10 years relevant experience
  • Mechanical system design expertise, including air handling units (AHUs), ducting, fans, motors, and controls
  • Experience with advanced filtration technology specification and design, including HEPA/ULPA, activated carbon, and UVGI
  • Application of air quality and testing standards, such as ASHRAE, ISO, and ANSI.
  • Experience with specialized or high-containment air systems, such as cleanrooms, biosafety labs (BSL), or defense/industrial filtration systems
  • Field experience in troubleshooting or optimizing filtration and air handling performance
  • Project management experience overseeing design through submittals, installation and system startup

Preferred Skills and Certifications

  • Professional Engineering license (active or ability to reactivate)
  • Knowledge of contaminant capture and removal, including particulate, chemical, and biological filtration media and filter frames
  • Data-driven analytical skills for airflow, pressure drop, and filter performance modeling
  • Understanding of vibration, noise, and mechanical balancing in rotating equipment
  • Familiarity with air leakage rate testing and application in system design requirements
  • Knowledge of envelope sealing measures and methods to reduce air leakage rates
  • Proficiency in CAD and modeling software, such as SolidWorks, AutoCAD, or Revit

WE OFFER AN EXCEPTIONAL EMPLOYEE BENEFITS PACKAGE!

  • Competitive Industry Pay
  • 100% Employer-Paid Medical Insurance Premium
  • HSA with Employer Contributions
  • Dental and Vision Coverage Options
  • Paid Holidays
  • Paid Vacation and Sick leave
  • Company Funded 401(k) and Profit Sharing Plans
  • Employee Stock Ownership Plan (ESOP)
  • Life and Disability Insurance  
  • Paid Parental Leave
  • Discretionary Bonus Eligibility

The annual pay range for the Mechanical Engineer position is $125,000 to $165,000.


The posted pay range values provide the candidate with guidance on annual base compensation for the position, at a full time level of effort, exclusive of overtime, bonus, and benefits-related compensation, over a range of qualifications that may fit hiring objectives. Toyon Research Corporation will consider the individual candidate’s education, work experience, applicable knowledge, skills and training, among other factors, when preparing an offer of employment. 


Pay Transparency Nondiscrimination Provision 


Equal Opportunity Employer including Disability and Veterans  


Applicant Privacy Notice 


Learn more about our company in our latest video, We are Toyon. 

 
The application window for this posting will remain open until the position is filled.     


Ref #2622-G

 

Salary : $125,000 - $165,000

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