Composites Engineer

Overview

Longenecker & Associates (L&A), a Geosyntec Company, is a trusted partner enabling critical missions across the U.S. Department of Energy (DOE) complex for more than 30 years. We contribute to DOE’s nuclear security and environmental remediation enterprise by providing the highest-caliber staff and experts. We are seeking a motivated Composites Engineer to contribute to our mission supporting our work at Centrus Energy in Oak Ridge, TN.

Geosyntec is an innovative, international engineering and consulting firm serving private and public-sector clients to address new ventures and complex problems involving our environment, natural resources, and civil infrastructure. Our engineers, scientists, technical and project employees serve our clients from offices across the world. Ranked by ENR as one of the top environmental engineering design firms, Geosyntec is internationally known for its technical leadership, broad experience, and exceptional client service.

We invest in our people. Each employee is unique, and your career at Geosyntec will be too. We offer competitive pay and benefits, and well-being programs to support you and your family.

To Learn More Visit: http://www.geosyntec.com/careers/.

Essential Duties and Responsibilities

Are you passionate about pushing the boundaries of composite materials and bringing cutting-edge technology to life? Join our team as a Composites Engineer, where you will help design, develop, test, and manufacture high‑performance composite structures for real‑world applications. You’ll collaborate with talented engineers across disciplines and make a direct impact on product innovation, manufacturing capability, and long-term technical strategy.

What You’ll Do

• Develop and optimize advanced composite systems for both structural and non‑structural applications.
• Partner with design teams to select materials and define layups, fiber architecture, and resin systems.
• Create and maintain clear technical documentation, material specs, and process guidelines.
• Perform mechanical testing, evaluate results, and lead material characterization efforts.
• Work side‑by‑side with manufacturing teams to implement processes such as autoclave curing, infusion, filament winding, or out‑of‑autoclave techniques.
• Investigate material or process failures and lead thorough root‑cause analyses.
• Collaborate with suppliers to evaluate new materials and ensure they meet quality and performance requirements.
• Support prototype builds and drives smooth transitions from development to production.
• Contribute to ongoing improvements in materials, manufacturing processes, and test methods.

Education and Licensure

• Master’s degree in Materials Science, Mechanical Engineering, Chemical Engineering, or a related field. (required)

Skills, Experience and Qualifications

Required Skills, Experience, and Qualifications

• Due to federal contract security requirements, candidates must be able to successfully pass a federal background investigation to secure and maintain DOE Q security clearance. (required)
• Due to federal contract security requirements, this position requires U.S. Citizenship. (required)
• Health & Safety training, medical monitoring, and client-driven drug and background testing. (required)
• 2+ years of experience.
• Strong understanding of composite materials—fibers, resins, core materials, and adhesives.
• Experience with composite design fundamentals, failure modes, and industry testing standards.
• Familiarity with common composite fabrication methods and equipment.
• Ability to interpret engineering drawings, specifications, and test reports.
• Excellent analytical and problem‑solving skills.
• Industry experience in aerospace, automotive, defense, renewable energy, or similar fields.
• Hands‑on experience with composite fabrication in lab or production environments.
• Experience with FEA tools applied to composite structures.

Preferred Qualifications and Location Details

• Active Q clearance is strong preferred.
• Understanding of quality systems such as AS9100 or ISO 9001.
• Familiarity with material databases or statistical analysis tools.
• Onsite position in Oak Ridge
• One-year base assignment with possibility of extension and/or conversion after.

Please note that marijuana remains a Schedule III controlled substance under Federal Law. Federal contractors must follow Federal drug-free workplace rules, which prohibit marijuana use, even if medical or recreational use is permitted under State Law.

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