Construction Mechanical Engineer II (Aerospace)

Location: Long Beach, California, United States

Salary: $104,000–$156,000 USD annually

Company

hirify.global develops the Terran R launch vehicle and builds the factory and infrastructure required for rocket manufacturing.

What you will do

• Design and develop mechanical systems including HVAC, plumbing, process gas distribution, cryogenic systems, high-pressure systems, and oxygen monitoring.
• Perform engineering calculations, equipment sizing, load analyses, and system performance evaluations.
• Create and maintain AutoCAD drawings, Revit models, Basis of Design narratives, technical specifications, and as-built documentation.
• Coordinate mechanical systems with engineering, construction, manufacturing, facilities, vendors, contractors, and government agencies.
• Support projects from concept and design through construction, commissioning, handoff, scheduling, budgeting, risk assessment, and documentation.
• Review external designs and submittals, conduct site inspections, resolve RFIs and field issues, and support startup, testing, commissioning, and continuous improvement.

Requirements

• Bachelor of Science degree in Mechanical Engineering or a related engineering field.
• At least 2 years of experience in mechanical design and engineering for infrastructure, manufacturing, or commercial building systems.
• Experience designing and specifying HVAC, hydronic/chilled water, plumbing, drainage, compressed air, and exhaust systems.
• Experience developing Basis of Design documentation, mechanical load calculations, and equipment sizing.
• Familiarity with ASHRAE, Title 24, NFPA, and Uniform Plumbing Code standards.
• Experience creating and reviewing permit-ready mechanical drawings and specifications.

Nice to have

• Master’s degree in Mechanical Engineering or a related field.
• Engineer In Training certification.
• LEED GA or LEED AP accreditation.
• Experience supporting cleanroom ventilation, specialty gas systems, or critical environment design.

Culture & Benefits

• Work on infrastructure supporting rocket manufacturing and the Terran R launch vehicle.
• Competitive salary and equity.
• Generous paid time off and sick leave, parental leave, and an annual learning and development stipend.
• Cross-functional collaboration with manufacturing, propulsion, avionics, facilities, EHS, security, vendors, contractors, and government agencies.