Fusion Systems Mechanical Design Engineer

Spectra Tech, Inc.; Oak Ridge (TN); On-site; USD 70,000 - 120,000; Full time

Job summary

Spectra Tech, Inc. is seeking an engineer to execute mechanical design and detailing for fusion-relevant environments, supporting vacuum-compatible and actively cooled components for high heat-load service.

You will participate in the full lifecycle from requirements to test/commissioning, develop and maintain BOMs and drawings, and coordinate with shops and vendors to ensure manufacturability and quality. Familiarity with FEA/CFD and hands-on troubleshooting is valued.

Qualifications

• BS in Mechanical Engineering, Nuclear Engineering, or a related engineering discipline and relevant engineering experience.
• Experience in mechanical design fundamentals (mechanics of materials; basic thermal response of materials/structures).
• Engineering drawings (creation and checking), GD&T, 3D modeling, component specification, and procurement support.
• Fabrication and assembly support for mechanical components/systems.
• Designing, executing, and documenting tests.
• Reading, understanding, and applying engineering standards and specifications.
• Hands-on troubleshooting of mechanical systems and related interfaces (vacuum and cooling-water systems, instrumentation, controls).
• Basic familiarity with FEA/CFD methods and tools as applied to engineering design.

Responsibilities

• Execute mechanical design and detailing of components and assemblies for fusion-relevant environments, including vacuum-compatible hardware and actively cooled components for high heat-load service.
• Support the full engineering lifecycle: requirements development, concept evaluation, detailed design, fabrication support, assembly/integration, and test/commissioning.
• Develop and maintain engineering drawings, bills of materials, and technical documentation in accordance with applicable engineering standards and ORNL procedures.
• Coordinate with internal shops and external vendors to support manufacturability, procurement, inspection, and quality requirements.
• Support laboratory assembly and integration; perform hands-on troubleshooting of mechanical hardware and interfaces (vacuum systems, water-cooling circuits, RF/mechanical interfaces, instrumentation, and controls interfaces).
• Plan, execute, and document tests to verify component/system performance and resolve technical questions, including thermal and leak/pressure performance where applicable.
• Perform and/or support basic structural and thermal analyses using FEA/CFD tools; validate assumptions and results and communicate findings via technical reports and design reviews.
• Provide schedule, cost, and technical status for assigned work; identify risks and propose mitigation actions.
• Collaborate effectively with internal stakeholders and external partners, including other laboratories and domestic/international collaborators, as needed.

Skills

Mechanical design

Engineering drawings

Fabrication & assembly

Testing & verification

Education

BS in Mechanical Engineering

Nuclear Engineering

MS in a related discipline

Tools

FEM/CFD tools

Job description

Spectra Tech, Inc. is seeking an engineer to execute mechanical design and detailing for fusion-relevant environments, supporting vacuum-compatible and actively cooled components for high heat-load service.

You will participate in the full lifecycle from requirements to test/commissioning, develop and maintain BOMs and drawings, and coordinate with shops and vendors to ensure manufacturability and quality. Familiarity with FEA/CFD and hands-on troubleshooting is valued.