Mechanical Engineer

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 Mechanical, Architectural, or related engineering discipline5 or more years of experience with HVAC or mechanical system design (AHUs, ducting, fans, motors, or related systems)Familiarity with ASHRAE, ISO, ANSI, or similar mechanical/air quality standardsExperience with filtration systems or air quality technologies in industrial, commercial, or laboratory environmentsField experience in troubleshooting or optimizing filtration and air handling performancePreferred Skills and CertificationsExperience with HEPA/ULPA, activated carbon, UVGI, or other advanced filtration systemsExperience with specialized air systems (cleanrooms, BSL labs, high-purity manufacturing, or defense applications)Experience leading mechanical design projects through installation, submittals, and system startupProfessional Engineering license (active or ability to reactivate)WE OFFER AN EXCEPTIONAL EMPLOYEE BENEFITS PACKAGE!Competitive Industry Pay100% Employer-Paid Medical Insurance PremiumHSA with Employer ContributionsDental and Vision Coverage OptionsPaid HolidaysPaid Vacation and Sick leaveCompany Funded 401(k) and Profit Sharing PlansEmployee Stock Ownership Plan (ESOP)Life and Disability Insurance Paid Parental LeaveDiscretionary Bonus EligibilityThe 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 #2622a-G

Created: 2026-04-02