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      4342 Mechanical Systems Engineer jobs in Arlington,VA

      Higher-Hire

      ELECTRONICS TECHNICIAN

      US Department of Defense

      Washington, DC 20001

      New, Posted 12 hours ago

      Assistant Engineer

      Transwestern

      Falls Church, VA 22042

      Jobcase

      Operating Engineer

      JLL

      Washington, DC 20001

      $34-$45/hr
      Apply Directly

      Data Science Engineer

      Outlier

      Arlington, VA

      $50/hr
      Remote

      • 2+ years of experience in backend engineering, AI automation, or complex systems integration
      • Proven ability to build and maintain production-grade software with modular separation (e.g., distinct services for data parsing, logic processing, and reporting)
      • Strong command of at least two major languages (e.g., Python, JavaScript, Go, or Java) and experience working with SQL databases
      • Practical experience building for live, non-mocked environments and handling multi-turn system interactions.
      • Outstanding attention to detail and the ability to provide clear, high-density technical feedback on complex system behaviors
      • This is a 1099 contract opportunity on the Outlier.ai platform. Because this is a freelance opportunity, we do not offer internships, sponsorship, or employment. You must be authorized to work in your country of residence.
      SmartExplore AI is experimental.
      View now
      Jobcase

      Relay Field Engineer 3 - Washington, DC

      U.S. Electrical Testing

      Washington, DC 20001

      $63.11/hr
      New, Posted 1 day ago
      Apply Directly

      Java Engineer with Security Clearance

      Gridiron IT Solutions

      Arlington, VA 22201

      $70-$80/hr
      Jobcase

      Data Center Facility Operations Specialist (Non-IT) I - Data Center Facility Op

      Apex Systems

      Herndon, VA 20170

      $30-$36/hr
      Apply Directly

      Intern Mechanical Engineer with Security Clearance

      Decision Technologies

      Arlington, VA 22201

      Jobcase

      Engineering Supervisor

      Erickson Senior Living

      Silver Spring, MD 20901

      $84,000-$104,000/yr
      New, Posted 1 day ago
      Jobcase

      Lead Engineer (Atlas)

      EMCOR Group

      Bethesda, MD 20814

      $57.22/hr
      1. Arlington,VA Jobs
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      3. Mechanical Systems Engineer Jobs

      What companies are hiring Mechanical Systems Engineer jobs in Arlington,VA?

      1. US Department of Defense
      2. Transwestern
      3. JLL
      4. Outlier
      5. U.S. Electrical Testing
      6. Gridiron IT Solutions
      7. Apex Systems
      8. Decision Technologies
      9. Erickson Senior Living
      10. EMCOR Group

      What is the hourly salary range for Mechanical Systems Engineer jobs in Arlington,VA?

      The hourly salary range is $30 - $80.

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