Principal Composites Engineer

Smarttooling; Miamisburg (OH); On-site; USD 100,000 - 130,000; Full time

Benefits offered by this job

Competitive compensation

Health, dental, and vision insurance

401(k) with company match

Paid time off and holidays

Job summary

A leading aerospace company based in Miamisburg, Ohio is seeking a Senior Staff or Principal Composites Engineer to lead advanced materials and process development. Responsibilities include optimizing composite manufacturing processes, preparing technical documentation, and providing mentorship to junior engineers. The ideal candidate will have over 10 years of composites manufacturing experience and a deep understanding of aerospace and defense requirements, alongside skills in project management and effective communication. A competitive compensation package and benefits are offered.

Qualifications

• 10+ years of experience in mechanical engineering, aerospace engineering, or materials science.
• 10+ years of composites manufacturing experience, including hands-on shop floor involvement.
• 8+ years in the aerospace and defense industry.

Responsibilities

• Develop and optimize composite manufacturing processes.
• Prepare and maintain technical documentation.
• Lead or participate in design reviews and failure investigations.
• Provide technical leadership and mentorship.

Skills

Proficiency with Microsoft Outlook and Office

Strong technical writing skills

Ability to communicate effectively

Experience with project management

Experience applying structured problem-solving methodologies

Education

B.S. degree in Mechanical Engineering or related field

M.S. degree in Mechanical Engineering or related field

Job description

Clearance: Ability to obtain and maintain a U.S. Government security clearance required

About the Role

Hawthorn Aero, Inc. is seeking an experienced Senior Staff or Principal Composites Engineer to lead advanced materials and process development in support of aerospace and defense programs. This role is ideal for a highly technical, hands on engineer who thrives in a collaborative environment and enjoys working closely with manufacturing, quality, and design teams to bring complex composite structures from concept to production. The Senior Staff or Principal Composites Engineer will serve as a technical leader, mentor, and subject matter expert across the organization.

Responsibilities

• Develop, validate, and optimize composite manufacturing processes, including layup, curing, bonding, machining, and inspection
• Prepare, review, and maintain technical documentation such as drawings, specifications, process instructions, analyses, and test plans
• Recommend, evaluate, and qualify composite materials, adhesives, and processes to meet performance, rate, and cost objectives
• Support hands on fabrication development and provide troubleshooting expertise on the production floor
• Lead or participate in design reviews, material trade studies, and failure investigations
• Direct complex root cause analyses for material and part failures and drive corrective and preventive actions
• Provide technical leadership, guidance, and mentorship to junior and mid level engineers
• Collaborate closely with manufacturing, quality, program management, and design teams to ensure M&P requirements are fully integrated into part and process development
• Review and approve composite designs, structural analyses, and manufacturing documentation for technical accuracy and compliance
• Interface with raw material suppliers to resolve technical issues and assess new materials that may improve performance or throughput

Minimum Requirements

• U.S. Citizenship
• Ability to obtain and maintain a U.S. Government security clearance
• Ability to pass a negative drug screen and favorable background check
• Proficiency with Microsoft Outlook and Office
• Travel: 10–15%
• B.S. degree and 10+ years of experience in mechanical engineering, aerospace engineering, materials science, or a related discipline; or M.S. degree and 8+ years of experience
• 10+ years of composites manufacturing experience, including hands on shop floor involvement
• 8+ years in the aerospace and defense industry
• Deep understanding of composite part fabrication and structural bonding
• Familiarity with ASTM and other relevant composite and bonding test standards
• Strong technical writing, computer, and presentation skills
• Understanding of statistical design allowables
• Demonstrated ability to work collaboratively and communicate effectively
• Experience with project management
• Experience applying structured problem solving methodologies for root cause and corrective actions

Desired Qualifications

• Prior or existing U.S. Government security clearance
• Composites design knowledge, including use of statistical allowables
• MRB experience
• Experience communicating directly with customers
• Experience with AS9100 quality management systems
• Bonding process expertise
• Composites supply chain knowledge
• Hands on materials test laboratory experience
• Familiarity with FAR Part 23, DOT/FAA/AR 00/47, and CMH 17G

Physical Demands

• Prolonged periods sitting at a desk and working on a computer
• Must be able to lift up to 15 pounds at times

Work Environment

• Professional office environment with regular work in manufacturing areas
• May require occasional use of personal protective equipment

Benefits

• Competitive compensation
• Health, dental, and vision insurance
• 401(k) with company match
• Paid time off and holidays