Engineering & Technical

Mechanical Engineering Specialist - Gas Separator and Jet Design
This role focuses on mechanical design and engineering of gas separator systems, jet assemblies, and high-precision flow structures. The successful candidate will develop mechanical concepts, build 3D models, specify materials, and lead fabrication from prototype to production. The engineer will collaborate closely with laser, process, and manufacturing teams to deliver hardware that supports CRISLA gas-phase separation technology.
Full Time
Location – Southeast
Salary: $150,000 – $180,000
Mechanical Engineering Specialist - Gas Separator and Jet Design
Key Responsibilities
- Lead the design and development of gas separation assemblies and flow manifolds for isotope enrichment systems.
- Generate and manage detailed 3D CAD models and manufacturing drawings.
- Develop adiabatic expansion configurations optimized for molecular flow uniformity, meeting system objectives.
- Specify materials, tolerances, and sealing solutions suitable for high-vacuum corrosive/high-temperature environments.
- Work with vendors to support machining and precision assembly of components.
- Perform basic analytical modeling (mass flow, Reynolds number, expansion ratios) to support mechanical design choices.
- Conduct design reviews and lead prototype build iterations with cross-functional teams.
- Ensure nuclear-grade mechanical integrity and adherence to safety, quality, and performance standards.
- Support experimental test setup, assembly, and mechanical integration in lab environments.
- Produce engineering reports, specifications, and presentations for internal and external stakeholders.
Minimum Qualifications
- Professional Degree(PhD/MSc). in Mechanical Engineering, Aerospace Engineering, or related field.
- 10+ years in mechanical design and engineering, ideally in high-vacuum or gas-dynamic systems.
- Advanced proficiency with SolidWorks, Inventor, or equivalent 3D CAD software.
- Experience with machined components, tolerancing (GD&T), and build-for-manufacture design practices.
- Experience designing and hands on experience with entire assemblies.
- Strong understanding of gas expansion, pressure regulation, and thermal-mechanical coupling.
- Excellent written communication and technical documentation skills.
- U.S. citizenship and ability to obtain and maintain a DOE Q-clearance.
Preferred Experience
- Demonstrated expertise in precision nozzle and separator design, or related high-velocity flow hardware.
- Experience designing mechanisms.
- Experience designing dynamic seals.
- Experience with supersonic or molecular beam systems, vacuum manifolds, or separator jet design.
- Demonstrated expertise in adiabatic expansion systems or related high-velocity flow hardware.
- Knowledge of gas transport phenomena, thermal gradients, and flow-stabilizing design.
- Familiarity with laser interaction hardware, precision optical alignment, and cryogenic or heated assemblies.
- Exposure to nuclear, aerospace, or semiconductor hardware environments.
- Experience managing prototype-to-production transition
Compensation & Benefits
- Salary: $150,000–$180,000 (commensurate with experience)
- Equity: Competitive stock-option package
- Benefits: Full medical, dental, and vision
- Relocation: Assistance available for Oak Ridge, TN
Complete the Application Form Below:

Laser Engineer / Technician
The Laser Technician will work hands-on in the laboratory to support the development, testing, and maintenance of advanced infrared gas laser systems used in isotope enrichment. This role emphasizes practical, in-lab work such as system assembly, alignment, calibration, troubleshooting, and safety compliance. The ideal candidate enjoys working directly with lasers and optical systems and has a strong foundation in laser technology and laboratory practices.
Full Time
Location – Southeast
Salary: $80,000 – $120,000
Laser Engineer / Technician
Key Responsibilities
- Assist in the installation, alignment, calibration, and maintenance of infrared gas laser systems
- Conduct system performance tests, collect data, and assist in troubleshooting laser and sub-system issues
- Support experimental setups and contribute to ongoing laser development and optimization projects
- Perform optical metrology and diagnostics under supervision of senior staff
- Ensure compliance with laser safety protocols and laboratory procedures
- Document laboratory activities and results clearly and accurately
- Collaborate with engineering, R&D, and operations teams to achieve technical objectives
Required Skills and Qualifications
- Hands-on experience with lasers, optics, or related technical systems (academic or industrial)
- Familiarity with basic laser principles, alignment techniques, and optical diagnostics
- Strong mechanical and problem-solving skills for laboratory work
- Team-oriented with effective communication and responsibility
- Associate’s or bachelor’s degree in physics, electrical engineering, optical engineering, or related technical field (or equivalent lab experience)
- 5+ years of practical experience working in a laboratory with lasers, optics, or precision equipment preferred
Benefits
- Attractive salary $80-120k/year, depending on level of experience
- Comprehensive medical, dental, and vision benefits.
- Monday to Friday, on-site 5 days a week.
- Relocation support may be provided (if applicable).
Complete the Application Form Below: