Structural & Code Calculations Engineer

We are seeking a Mechanical Engineer with a strong background in structural and code calculation packages for engineered process equipment. This role focuses on producing accurate, review-ready calculation packages supporting the design and fabrication of fired and indirect heaters, thermal equipment, and skid-mounted systems.

• Develop complete structural calculation packages for skid-mounted and standalone equipment
• Perform structural analysis using RISA-3D (preferred)
• Evaluate equipment frames, skids, lifting, shipping, wind, seismic, and operational loads
• Ensure compliance with applicable structural codes and project specifications

• Prepare code calculation packages using COMPRESS (preferred)
• Perform mechanical and thermal calculations for heat medium heaters, waterbath heaters, regeneration heaters, thermal oxidizers, and hot oil circulation skids
• Apply ASME, API, and applicable international codes and standards

• Perform piping flexibility and heat stress analysis using CAESAR II (preferred)
• Evaluate nozzle loads, thermal expansion, and piping support requirements
• Coordinate piping stress results with vessel and structural design

• Produce organized, auditable calculation packages for client, third‑party, and regulatory review
• Coordinate with drafting, project management, fabrication, and inspection teams
• Respond to technical comments and RFIs

• Bachelor’s degree in Mechanical Engineering (required)
• Experience preparing engineering calculation packages
• Strong understanding of mechanical and structural fundamentals
• Ability to interpret and apply engineering codes and standards
• Strong attention to detail and ability to work independently

• Experience with RISA-3D for structural analysis
• Experience with COMPRESS for code calculations
• Experience with CAESAR II for piping stress analysis
• Experience with fired heaters, indirect heaters, or skid-mounted process equipment
• Familiarity with API 560 and related heater standards

• Opportunity to work on custom-engineered, real-world equipment
• Hands‑on involvement from concept through fabrication
• Collaborative, engineering-driven culture
• Competitive compensation and benefits

Seniority level:
Mid‑Senior level

Employment type:

Full-time

Location:

Tulsa, OK

Salary: $85,000.00 - $