JHNA Information

In 2025, JHNA and our division, TSA, became a part of Aether Aerospace. Follow us here: https://www.linkedin.com/company/aetheraerospace/ John H. Northrop & Associates, Inc. (JHNA) is a technical consulting firm serving the defense industry since 2001. Privately owned and headquartered in Alexandria, VA, JHNA is a Service-Disabled Veteran-Owned Small Business (SDVOSB). We specialize in providing warfighter to engineer interface. Our employees are former military leaders with both operational experience and engineering and technical expertise. We help our customers navigate the systems engineering and acquisition process to ensure that capabilities under development respond to warfighting needs. JHNA is a Digital Engineering firm focused on providing engineering and technical services primarily to DoD's Aviation communities. JHNA is a critical partner to these communities providing MBSE, MOSA, and platform security (cyber and anti-tamper) support. JHNA offers highly competitive benefit packages and a culture that fosters teamwork and collaboration all while supporting our Warfighter!