Mechanical Design Engineer

Nesco Resource; Tulsa (OK); On-site; USD 80,000 - 105,000; Full time

Benefits offered by this job

Health coverage (medical, dental, and

401(k) with company match

Paid time off and holidays

Life and disability insurance

Parental leave

Job summary

Nesco Resource is seeking a Mechanical Engineer with a strong background in designing pressure vessels and process equipment. The role involves taking projects from concept through fabrication for energy, industrial, and nuclear markets, using ASME Section VIII design principles and industry software.

Responsibilities include performing design calculations, creating P&IDs and 3D models, sizing equipment, and ensuring compliance with ASME, API, ANSI, and NFPA standards.

Qualifications

• Bachelor's degree in Mechanical Engineering (or closely related engineering discipline).
• 3+ years of experience designing pressure vessels, process equipment, or heat exchangers.
• Strong working knowledge of ASME Section VIII, API, ANSI, and NFPA codes and standards.
• Experience using Compress and process modeling software (ProMax or similar) for pressure vessel and equipment design. Ability to perform pressure vessel calculations and equipment sizing—not solely relying on software-generated outputs.
• Experience developing and reviewing P&IDs, engineering drawings, and 3D models.
• Working knowledge of fabrication processes, including welding, forming, and interpretation of shop drawings.
• Experience with electrical area classification and process control system design.

Responsibilities

• Design custom pressure vessels and process equipment from concept through fabrication.
• Perform ASME Section VIII design calculations using engineering principles and industry software.
• Create and review P&IDs, engineering drawings, and 3D models.
• Size vessels, piping, valves, and pressure relief devices for custom applications.
• Interpret customer specifications and develop technical solutions.
• Partner with estimating, drafting, fabrication, and project teams to ensure successful project execution.
• Apply ASME, API, ANSI, and NFPA standards throughout the design process.

Skills

ASME Section VIII

Electrical area classification

Education

Bachelor's degree in Mechanical Engineering

Tools

Compress

ProMax

Job description

Candidates must be authorized to work in the U.S. without current or future sponsorship.

• Health Coverage: Medical, dental, and vision insurance
• Retirement: 401(k) with company match
• Time Off: Paid time off and paid holidays
• Protection: Life and disability insurance
• Family Support: Parental leave

About the Role

Join an employee-owned engineering and manufacturing company designing custom pressure vessels and process equipment for the energy, industrial, and nuclear markets. This is an opportunity to own projects from concept through fabrication, working on highly engineered, one-of-a-kind equipment rather than repetitive production designs. If you enjoy solving complex mechanical design challenges and have experience with ASME Section VIII pressure vessel design, we'd love to hear from you.

What You'll Do

• Design custom pressure vessels and process equipment from concept through fabrication.
• Perform ASME Section VIII design calculations using engineering principles and industry software.
• Create and review P&IDs, engineering drawings, and 3D models.
• Size vessels, piping, valves, and pressure relief devices for custom applications.
• Interpret customer specifications and develop technical solutions.
• Partner with estimating, drafting, fabrication, and project teams to ensure successful project execution.
• Apply ASME, API, ANSI, and NFPA standards throughout the design process.

Required Qualifications

• Bachelor's degree in Mechanical Engineering (or closely related engineering discipline).
• 3+ years of experience designing pressure vessels, process equipment, or heat exchangers.
• Strong working knowledge of ASME Section VIII, API, ANSI, and NFPA codes and standards.
• Experience using Compress and process modeling software (ProMax or similar) for pressure vessel and equipment design.Ability to perform pressure vessel calculations and equipment sizing—not solely relying on software-generated outputs.
• Experience developing and reviewing P&IDs, engineering drawings, and 3D models.
• Working knowledge of fabrication processes, including welding, forming, and interpretation of shop drawings.
• Experience with electrical area classification and process control system design.

Preferred

• Structural analysis experience
• Process controls
• Electrical area classification

Work Environment & Physical Requirements

• Primarily office-based with in-facility drawing/design review and occasional shop-floor exposure (PPE required)
• Ability to work at a computer for extended periods
• Occasional travel by car or air; light lifting may be required
• Valid driver's license and acceptable driving record required

Nesco Resource offers a comprehensive benefits package for our associates, which includes a MEC (Minimum Essential Coverage) plan that encompasses Medical, Vision, Dental, 401K, and EAP (Employee Assistance Program) services.

Nesco Resource provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state, or local laws.