Mechanical Designer (Plant Layout & Piping Systems)

Location: Los Angeles, California, United States

Salary: $80,000–$170,000 annually

Company

hirify.global develops and operates uranium enrichment services to support affordable nuclear energy production in the United States.

What you will do

• Own and maintain 3D CAD models for piping and mechanical systems in a complex nuclear enrichment facility.
• Develop piping component libraries, tagging systems, data attributes, and standards aligned across P&IDs, models, and documentation.
• Route pipes, valves, specialty components, and supports while accounting for space constraints, accessibility, maintainability, and constructability.
• Coordinate layouts with structural, HVAC, and electrical systems and perform clash detection and interdisciplinary model reviews.
• Produce piping isometrics, general arrangement drawings, spool sheets, and installation documentation.
• Maintain as-built documentation and update models throughout the project lifecycle while incorporating engineering and field installation requirements.

Requirements

• Associate’s degree or equivalent experience in Mechanical Design, Drafting, or a related field.
• At least 3 years of hands-on experience modeling piping systems in 3D plant design platforms.
• Proficiency with plant design software such as AutoCAD Plant 3D, AVEVA E3D, SmartPlant 3D, CADWorx, or similar tools.
• Strong understanding of piping systems, mechanical components, and industrial layout principles.
• Ability to interpret P&IDs and specifications into accurate 3D models.
• Ability to work extended hours and weekends when necessary.

Nice to have

• Experience in nuclear, chemical, petrochemical, or other complex industrial facilities.
• Familiarity with spec-driven piping, automated part selection, component catalogs, and engineering data attributes.
• Experience modeling pipe supports, equipment connections, maintenance clearances, and dense layouts.
• Familiarity with model coordination and clash detection tools such as Navisworks.
• Understanding of fabrication and field installation practices, including spool breaks and field fit.

Culture & Benefits

• Mission-driven work focused on making nuclear energy more affordable.
• Lean, multidisciplinary engineering and operations environment.
• Culture emphasizing urgency, accountability, and transparency.
• Full-time hires may be eligible for stock options.
• Medical, vision, dental, and 401(k) benefits are available for full-time hires.