Lead Mechanical Engineer - Defense Systems Design

L3Harris; Cincinnati (OH); On-site; USD 120,000 - 170,000; Full time

Job summary

L3Harris Technologies in Cincinnati, OH is seeking a Lead Mechanical Engineer to staff, develop, and drive a multidisciplinary team through program work. You will apply mechanical engineering principles to design and maintain FOS products, ensuring compliance with AS9100/ISO9001 standards and collaboration with manufacturing and quality teams.

The role emphasizes leadership, design integrity, and effective communication with customers.

Qualifications

• Bachelor’s degree required; 9+ years of relevant experience, or 7+ with graduate degree; 13+ years without degree.
• Experience with CAD software (Solid Edge, SolidWorks, NX).
• GD&T application and interpretation per ASME Y14.5 and Y14.100.
• Experience with dimensional stack-up/tolerance analysis.
• Active U.S. security clearance preferred/required.

Responsibilities

• Lead, mentor, and develop a team of engineers and designers.
• Support hiring, workforce planning, and performance management.
• Foster a collaborative, accountable, and continuous improvement culture.
• Define, maintain, and improve development processes and best practices.
• Drive mechanical design decisions across new product development and legacy support.
• Prepare and present materials for internal and customer design reviews.

Skills

Leadership & mentoring

Staffing & workforce planning

GD&T expertise

Mechanical design

FEM/analysis knowledge

Education

Bachelor’s Degree in Mechanical/Aerospace Engineering

Advanced degree (MS)

Alternative experience 13+ years

Tools

CAD: Solid Edge

CAD: SolidWorks

CAD: NX

Job description

L3Harris Technologies in Cincinnati, OH is seeking a Lead Mechanical Engineer to staff, develop, and drive a multidisciplinary team through program work. You will apply mechanical engineering principles to design and maintain FOS products, ensuring compliance with AS9100/ISO9001 standards and collaboration with manufacturing and quality teams.

The role emphasizes leadership, design integrity, and effective communication with customers.