Specialist, Mechanical Engineer- Composite Case Design

L3Harris Technologies; Huntsville (AL); On-site; USD 95,000 - 125,000; Full time

Job summary

L3Harris Technologies in Huntsville, AL seeks a Specialist in Mechanical Design Engineering focused on filament-wound composite cases for solid propulsion systems. The role requires CAD (CREO), PLM (Windchill), and GD&T expertise, with ability to work under general supervision on complex design tasks.

You will develop 3D models, drawings, perform trade studies, and collaborate across analysis, manufacturing, and quality teams; on-site 9/80 schedule with security-clearance readiness.

Qualifications

• Bachelor’s Degree plus 4+ years of related experience; or Graduate Degree with 2+ years of related experience.
• Experience in filament wound composite pressure vessel design and manufacturing methods.

Responsibilities

• Lead mechanical design efforts for filament-wound composite cases and propulsion components.
• Develop design concepts, 3D models, and detailed drawings.
• Coordinate with analysis, manufacturing, project engineering, quality, and customer support teams.
• Plan and execute design assignments within an Integrated Product Team environment.
• Support production activities on the shop floor and at supplier locations.
• Prepare and present technical presentations and engineering reports for internal and external stakeholders.

Skills

Filament-wound design

Propulsion components

3D CAD

PM teamwork

Education

Bachelor’s Degree in Mechanical or Aerospace Engineering

Graduate Degree preferred

Tools

CREO

Windchill

Engineering drawing & GD&T

Job description

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do.

L3Harris is the Trusted Disruptor in defense tech. With customers' mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security.

Job Title: Specialist, Mechanical Engineering - Composite Case Design

Job Code: 40765

Job Location: Huntsville, AL; 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 Specialist Mechanical Design Engineering role focuses on the design of filament-wound composite cases for Solid Propulsion and Controllable Solids Systems. The position requires proficient knowledge in the area of carbon fiber epoxy material systems, pressure vessel design, filament winding manufacturing, and Classical Lamination Theory. This position requires the ability to work under general supervision in defining objectives, determining technical approaches, delegating tasks, and reviewing deliverables. The selected candidate will provide technical support in the component and system design of composite cases for solid propellant and controllable solid propulsion applications.

Essential Functions

• Ability to obtain a U.S. Secret Security Clearance.
• Lead mechanical design efforts for filament-wound composite cases, propulsion systems, and related components.
• Develop design concepts, 3D models, and detailed engineering drawings.
• Perform trade studies and prepare component specifications and procedures.
• Coordinate with analysis, manufacturing, project engineering, quality, and customer support teams.
• Plan and execute design assignments within an Integrated Product Team environment.
• Support production activities on the shop floor and at supplier locations.
• Address nonconforming hardware, support process planning and production reviews, and ensure design requirements are met through supplier coordination.
• Support engineering drawing and specification updates through configuration control boards.
• Support environmental and qualification testing, including pathfinder, subscale, component, and system-level tests.
• Prepare and present technical presentations and engineering reports for internal and external stakeholders.

Qualifications

• Bachelor’s Degree and a minimum of 4 years of prior relevant experience. Graduate Degree and a minimum of 2 years of prior related experience. In lieu of a degree, minimum of 8 years of prior related experience.
• Experience in filament wound composite pressure vessel design and manufacturing methods.

Preferred Additional Skills

• Bachelor’s Degree in Mechanical or Aerospace Engineering is preferred.
• Knowledge of solid propulsion systems design and manufacturing methods.
• Knowledge and experience in strategic booster motors, tactical rocket motors, controllable solids systems.
• Strong mechanical aptitude and experience with CAD software tools (CREO), and PLM Systems (Windchill), engineering drawing and GD&T application experience.
• Proficiency with Microsoft Office products (Word, Excel and PowerPoint).

L3Harris Technologies is proud to be an Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws. L3Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks, where permitted by law.

Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information.

L3Harris Technologies is an E-Verify Employer.