Lead or Senior Mechanical / Process Design Engineer

Location: Onsite in Fayetteville, AR, or Tulsa, OK

Schedule: Monday–Friday, 8:00 AM–5:00 PM CT; work from home one day per week

Travel: 15–20%

Relocation: Relocation assistance available within the U.S.

Benefits

PEPM Group offers a highly competitive compensation and benefits package, including:

• High competitive salary
• Sign-on bonus and performance bonus
• BCBS Medical, dental, and vision insurance
• 401(k) with 5% company match
• Generous PTOs
• 15 paid holidays
• Relocation assistance within the U.S.
• Hybrid and flex working condition

About PEPM Group

PEPM Group is an award-winning, fast-growing engineering and project and construction management company with offices in Tulsa, Oklahoma, and Fayetteville, Arkansas. We specialize in industrial facility engineering, processing facilities, oil and gas, energy, and data center projects.

Our team includes Professional Engineers licensed across 49 states and Canada. PEPM was voted the 2025 and 2024 Best Engineering Firm — Gold in Northwest Arkansas and received the 2026 and 2025 Oklahoma Governor’s Award for Excellence in Exporting.

Position Overview

PEPM Group is seeking a Lead or Senior Mechanical / Process Design Engineer to support and lead the design of industrial process utilities, piping systems, plumbing, and HVAC systems for manufacturing and processing facilities.

This role is ideal for an experienced mechanical engineer with PE license and a strong background in facility mechanical design, process utility piping systems, industrial piping, and process facilities and manufacturing environments. The successful candidate will lead mechanical design efforts, mentor junior engineers and/or designers, interface with clients and vendors, and deliver high-quality engineering solutions from concept through construction documents.

Key Responsibilities

• Lead mechanical and process utility design for industrial and manufacturing facilities, with a preference for food and beverage processing experience.
• Design and engineer utility piping, process piping, plumbing, and HVAC systems for manufacturing plants.
• Develop layouts and engineering packages for compressed air, steam, condensate, pumps, process heating, chilled water, cooling tower systems, high- and low-pressure water, wastewater, vacuum, thermal fluid, and other plant utility systems.
• Perform engineering calculations, equipment sizing, system layouts, and design evaluations.
• Prepare and review AutoCAD 2D drawings and Revit 3D models for utility, plumbing, process piping, and HVAC systems.
• Lead mechanical design efforts and mentor other mechanical engineers and designers.
• Conduct field evaluations, site visits, and information gathering for retrofit, expansion, and new facility projects.
• Coordinate effectively with clients, vendors, contractors, project managers, and multidisciplinary engineering teams.
• Deliver engineering work within agreed schedules, budgets, and quality expectations.
• Support continuous improvement through feedback, lessons learned, and design best practices.

Required Qualifications

• Bachelor’s degree in Mechanical Engineering.
• Professional Engineer (PE) license in Mechanical Engineering.
• 10–20 years of experience in mechanical HVAC and piping system design and engineering for industrial or manufacturing facilities.
• Strong experience with utility piping, process piping, plumbing, and HVAC systems.
• Experience designing systems such as compressed air, steam, condensate, chilled water, hot water, process water, wastewater, pumps, cooling towers, and thermal fluid systems.
• Strong working knowledge of ASME codes and relevant USDA, FDA, OSHA, and ASHRAE standards and guidelines.
• Ability to prepare, review, and coordinate engineering and drafting models, drawings, calculations, specifications, and construction documents.
• Strong attention to detail and commitment to technical quality.
• Excellent written and verbal communication skills.
• Ability to manage priorities, meet deadlines, and support multiple projects.
• Strong work ethic, ownership mindset, and commitment to client service.

Preferred Experience

• Mechanical or process design experience in food and beverage manufacturing facilities.
• Experience with industrial plant expansions, facility upgrades, and utility infrastructure projects.
• Familiarity with sanitary design principles, hygienic piping, clean-in-place systems, or regulated production environments.
• Experience leading multidisciplinary coordination with process, electrical, structural, and controls teams.

Why Join PEPM Group?

At PEPM Group, you will work on technically challenging industrial projects with a collaborative engineering team that values quality, responsiveness, and practical design solutions. This is an opportunity to take a leadership role in a growing company while contributing to high-impact projects across processing, energy, manufacturing, and industrial facilities and data centers.