Mechanical Engineer

Westerman, Inc. is an employee-owned company that manufactures production and storage equipment for the oil, gas, and nuclear industries. Our equipment optimizes well pad design, improves separation efficiency, and lowers overall equipment spend through high-performance surface separation and processing technology.

The Mechanical Engineer supports both pre‑sale technical and post‑sale detailed engineering activities. The role defines the technical solutions for proposals, quotes, and projects, and leads the detailed engineering to develop fabrication drawing packages and Bills of Materials. This position is fully on‑site at one of our facilities:
Casper, WY;
Bremen, OH;
Tulsa, OK.

Regular and punctual attendance at work is an essential job function of each position.

• Evaluate customer supplied data (3D CAD files, drawings, scopes of work, and quality documents) to extract requirements that impact designs for quoting and detailed engineering.
• Actively engage with external customers, project managers, and the commercial team to discuss gaps in scope of supply versus customer requirements.
• Pursue identification of customer‑induced scope changes and Escalate to the project manager or commercial lead for consideration.
• Develop P&IDs from scratch or by redlining existing drawings to communicate project requirements to Estimators and Drafting.
• Perform equipment sizing calculations using process simulation software (Pro Max), in‑house spreadsheets, etc.
• Review and approve all 3D model and drawings for assigned projects in accordance with Westerman’s standard operating procedures.
• Perform process design calculations for control valves, pressure regulators, pressure safety valves, and pressure vacuum relief valves.
• Perform ASME pressure vessel code calculations using Codeware COMPRESS.
• Other duties as required and assigned.

• Bachelor’s degree in Chemical, Mechanical, Petroleum, Electrical, or Instrumentation Engineering from an ABET accredited university.
• 3–5 years of experience in a similar role within a manufacturing environment with engineered‑to‑order products.
• Knowledge of ASME, API, NFPA, ANSI, and other applicable standards.
• Experience applying NFPA requirements for electrical area classification to designs.
• Experience specifying and designing process control systems comprising pneumatic, electro‑mechanical, and electronic devices.
• In‑depth knowledge of national and international codes and standards for oil & gas process equipment design and fabrication.
• Experience working within multidisciplinary teams and managing work against safety, quality, cost, and time constraints.
• Ability to develop process equipment schemes and layouts from conceptual basis considering operability, maintenance, and safety.
• Multi‑tasking ability and ability to work well under pressure with competing priorities.
• Excellent written and verbal communication skills.
• Ability to comprehend project specifications and contract documents.
• Ability to review and interpret P&IDs.
• Strong interpersonal communication skills.
• Strong problem‑solving and organizational skills.
• Proficiency in Microsoft Office (Outlook, Word, Excel, Project, PowerPoint).
• Proficiency in Pro Max and Codeware COMPRESS.

• Sit at a desk for extended periods and work on a computer.
• Lift up to 15 pounds in an office setting.
• Ability to sit, stand, reach, stoop, kneel, crouch, climb, and bend.
• Must see, speak, hear, and read. Use fingers and hands to manipulate office machines.
• Walk over even and uneven surfaces.
• Wear appropriate PPE.
• Possibility of close vision, depth perception, and focus adjustment required.
• Travel by car and airplane to other facilities if needed.
• Driving is an essential function; clean driving record required.

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 any other legally protected status.