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.

Key Responsibilities

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

Code & Mechanical Calculations

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

Piping & Stress Analysis

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

Documentation & Coordination

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

Required Qualifications

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

Preferred Qualifications

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

What We Offer

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 - $125,000.00

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