Demo

Mechanical Design Engineer

WESTERMAN INC
Casper, WY Full Time
POSTED ON 11/26/2025
AVAILABLE BEFORE 1/5/2026

Job Details

Level:    Experienced
Job Location:    Casper, WY
Position Type:    Full Time
Education Level:    4 Year Degree
Salary Range:    Undisclosed

Description

Westerman, an employee-owned company, is a multiple site manufacturer of production and storage equipment within the oil, gas, and nuclear industries. Our equipment helps optimize well pad design, improve separation efficiency and lower overall equipment spend through high-performance surface separation and processing technology. Our equipment is setting new standards for performance and economics nationwide.

Summary

The Design Engineer will provide engineering design, project engineering management, technical support, and leadership to manage capital and major maintenance projects including gas processing and treating, compression and dehydration, condensate stabilization, and metering.

The Engineer will be recognized as a technical specialist by the division having in-depth knowledge of engineering process and/or technical aspects of the oil and gas industry. This person will partner with team of designers and will be a part of budgeting for gas processing equipment.

**THIS POSITION IS LOCATED AT OUR J.W. WILLIAMS FACILITY IN CASPER, WY AND IS FULLY ON-SITE.  RELOCATION IS NOT PROVIDED.**

Responsibilities

  • Provides process design/validation and product engineering support in a liaison role between end user and Westerman.
  • Prepares complex engineering calculations following standard methods and principles.
  • Leads client and contractor interface, with commercial support.
  • Leads field evaluations of existing process units.
  • Creates process flow diagrams (PFD) and piping and instrumentation diagrams (P&IDs), provides design and interprets client design documentation for downstream estimating and engineering disciplines.
  • Conceptual development of project scope and estimating new project proposals.
  • Assists in constructability planning, proposal and estimating development.
  • Ability to lead internal and client related meetings for detailed walkthoughs and explanation of design documents (P&IDs, equipment sizing, cause and effect, plot plan).
  • Provides technical support for business development conceptual phase to completion.
  • Assesses the soundness of technical proposals.
  • Ability to develop technical and commercial proposals that align with customer specifications and industry standards.
  • Performs other duties as assigned and required.

Qualifications


Required Experience

  • Bachelor’s degree from an accredited institution in Chemical, Petroleum, Mechanical, or Instrumentation Engineering required.
  • Minimum of 2 years previous design engineering experience in a related industry required.
  • Must understand details of oil and gas processes and processing equipment.
  • Prior knowledge of Oil and Gas Process software such as ProMax and Compress required.
  • Professional demeanor with excellent verbal and written communication skills required.
  • Strong business acumen and analytical skills required.
  • Ability to complete work assignments with minimal supervision required.
  • Proven ability to work with multiple internal and external stakeholders to accomplish project goals on time required.
  • Self-starter; able to manage multiple tasks/projects/initiatives successfully required.
  • Must work with a sense of urgency and ownership.

Desired Experience

  • P.E. Licensure

PHYSICAL DEMANDS/WORK ENVIRONMENT

  • Must be able to sit at a desk for extended periods of time and work on a computer.
  • May be required to lift up to 15 pounds in an office setting.
  • Must be able to sit, stand, reach, stoop, kneel, crouch, climb, and bend.
  • Must be able to see, speak, hear, and read.
  • Must use fingers and hands to manipulate/utilize office machines.
  • Must be able to walk over both even and uneven surfaces.
  • Some aspects of this position may require close vision, depth perception, the ability to see small detail, and the ability to adjust focus.
  • Must be able to travel by both car and air.

Westerman, Inc. is an equal employment opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, age, national origin, sex, sexual orientation, gender identity, disability, veteran status, or other legally protected status.

Salary.com Estimation for Mechanical Design Engineer in Casper, WY
$54,674 to $73,765
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