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Salary
$122k – $227k per year
Location
In office (Ashburn)
Seniority
Principal · 13+ years exp
Visa
H-1B filings in 12 months: 5

Confirmed on the employer's own hiring board on Oct 29, 2026. First seen by Alion on Oct 22, 2026. L3Harris Technologies scores A on the Alion truth index.

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L3Harris Technologies is an American defense contractor formed in 2019 by the merger of L3 Technologies and Harris Corporation. It builds tactical radios and military communication systems, electronic warfare and intelligence, surveillance and reconnaissance equipment, space sensors and satellites, night vision devices, and uncrewed surface vessels, and owns the rocket engine maker Aerojet Rocketdyne. Its main customers are the United States Department of Defense and allied governments. The company is headquartered in Melbourne, Florida, United States.

Job Title: Manager, Aerospace Mechanical Engineer

Job Code: 46498

Job Location:Ashburn, VA - On Site

Job Schedule: 9/80 -Employees work 9 out of every 14 days - totaling 80 hours worked - and have every other Friday off

Job Description:

The Agile Development Group (ADG) specializes in developing disruptive, next-generation technologies for advanced Unmanned Air Systems (UAS / UAV), advanced radar systems, next-generation weapon systems, and other RF sensor technologies using small company agility and big company experience.

As a Mechanical Engineering Manager, you will oversee a team of Mechanical Engineers who are tasked with designing our Unmanned Aircraft products. In this position, you will be working alongside your team members on direct program work for approximately 75% of your time, and providing functional management oversight of those same employees, as well as other functional leadership responsibilities, for the remainder of your time. You will use your leadership skills and personal initiative to build and maintain a highly competent and agile Mechanical Engineering team. You will have regular interactions with your team members to help foster their career growth and ensure their job satisfaction. As a technical contributor, you will use your expertise in product development to help design and productionize our family of unmanned aircraft systems. This will include tasks such as requirements derivation, CAD modeling, analysis, manufacturing, and testing. You will use your networking abilities to build trusting relationships and lines of communication across multiple programs to help drive the performance and execution efficiency of your direct reports.

Essential Functions:

Direct tasking (75% of Duties):

  • Conceptual and detail design of unmanned aircraft and their supporting systems, including structures and internal packaging.
  • Significant CAD modeling of parts & assemblies
  • Perform trade studies to determine optimal designs
  • Structural and thermal analysis of components & assemblies
  • Electromechanical integration and electronics packaging
  • Lead mechanical design efforts
  • Lead peer reviews, PDRs, CDRs, and other required design reviews
  • Schedule, cost, and technical responsibility at the major subsystem level
  • Cost estimation for proposals
  • Primary interface to customers & upper management
  • Provide guidance and mentorship for other team members formally or informally
  • Responsible to direct and review the work of junior engineers and designers and technicians.
  • Participate in risk assessment and develop mitigation strategies for complex projects
  • Ability to obtain and maintain any additional clearances as required
  • Ability to obtain a US Secret Security clearance
  • Up to 10% travel may be required

Managerial Tasking:

  • Manage a team of 6-10 Mechanical Engineers and Designers by recruiting, selecting, orienting, planning, and training employees. Coach, counsel, monitor, and appraise staff performance.
  • Promote the career progression of your direct reports
  • Promote employee engagement - help make this a great place to work!
  • Coordinate staffing needs for programs. Interview and hire as needed.
  • Conduct performance reviews and solicit peer feedback about you team’s performance
  • Contribute to departmental process improvement initiatives
  • Be knowledgeable of the specific contributions made by your team members to foster specific performance discussions

Qualifications:

  • Bachelor’s Degree and minimum 9 years prior related experience. Graduate Degree with a minimum of 7 years of prior related experience. In lieu of a degree, minimum of 13 years of prior related experience.
  • Ability to Obtain and maintain a U.S. Secret security clearance.

Preferred Additional Skills:

  • Prior experience in developing aircraft structures or major sub-assemblies is strongly desired
  • Some experience in packaging electronics
  • Excellent people skills, with experience leading and collaborating in a multi-disciplinary, diverse, and dynamic team environment.
  • Excellent communication skills (written, verbal, & presentation)
  • Strong hands-on capabilities, to include integration and diagnosis of complex mechanisms and products
  • Experience in design for and testing to military environments (i.e. temperature, vibration, shock, etc.)
  • Expertise in 3D CAD modeling - PTC Creo is strongly preferred
  • Minimum 8 years experience in mechanical design, requirements analysis, specification generation, interface definition, component selection, component 3D CAD modeling, data collection, and product documentation
  • Minimum 3 years experience leading and collaborating in a multi-disciplinary, diverse, and dynamic team environment.
  • Prior or current experience working on aerospace products/systems
  • 5+ years experience in 3D CAD modeling - PTC Creo, Catia, NX, or Solidworks
  • Experience using Microsoft Office products

In compliance with pay transparency requirements, the salary range for this role in the Virginia, Greater D.C. areas is Min $122,000.00 - $227,000.00 Max. This is not a guarantee of compensation or salary, as final offer amount may vary based on factors including but not limited to experience and geographic location. L3Harris also offers a variety of benefits, including health and disability insurance, 401(k) match, flexible spending accounts, EAP, education assistance, parental leave, paid time off, and company-paid holidays. The specific programs and options available to an employee may vary depending on date of hire, schedule type, and the applicability of collective bargaining agreements.

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