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Salary
$120k – $160k per year
Location
In office (Oak Brook)
Seniority
Senior · 10+ years exp
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 22, 2026. First seen by Alion on Jul 15, 2026. Barry-Wehmiller scores B on the Alion truth index.

Overview
Company
Impact
Profile match
Barry-Wehmiller is a privately held diversified manufacturing technology and engineering consulting group headquartered in Clayton, in the Saint Louis area of Missouri, supplying packaging, corrugating, sheeting and paper-converting machinery. Tracing its roots to a St. Louis millwright shop that Thomas J. Barry joined in 1885, the $3 billion group has about 12,000 team members and includes BW Packaging, the BW Design Group engineering firm and the Afinitas infrastructure equipment business. It hires electrical, structural and controls engineers, project managers and estimators, field service technicians, assemblers and painters, plus German apprentices and IT and procurement staff.

About Us:

BW Design Group is a fully integrated architecture, engineering, construction, system integration, and consulting firm committed to helping our clients realize their most critical goals from Strategy to Commercialization. As the only firm born from a manufacturing technology company to become an independent and fully integrated firm, we combine deep domain expertise in the manufacturing environment with an approach that is built to serve the dynamic needs of our clients. Rooted in our distinct culture of Truly Human Leadership, we cultivate the leaders who will define tomorrow and partner with our clients in the food & beverage, life sciences, industrial, and advanced technology industries to build the future of manufacturing and technology.Barry-Wehmiller is a diversified global supplier of engineering consulting and manufacturing technology for the packaging, corrugating, sheeting and paper-converting industries. By blending people-centric leadership with disciplined operational strategies and purpose-driven growth, Barry-Wehmiller has become a $3 billion organization with nearly 12,000 team members united by a common belief: to use the power of business to build a better world.

Job Description:

Sr. Licensed Mechanical Engineer

(This position is located in Oak Brook, IL. Relocation assistance is available for highly qualified candidates.)

Who You’ll Work With

You will join one of our 45 offices in the US, be part of a committed team of over 1500 professionals, and work in teams and directly with our clients doing work that is shaping the world around us. You will be welcomed into a rapidly growing business and team and empowered to make an impact. You will be valued, cared for, and challenged on your path to becoming a world-class professional consultant and surrounded by leaders who are committed to creating an environment that enables you to realize your own success and fulfillment. When you join Design Group as a Sr. Mechanical Engineer, you are joining a team that will challenge you and position you for growth. In this role, you will work with a team of industry experts to help the world’s leading companies solve their most difficult problems. You will join our Architecture/Engineering Process Practice and partner with seasoned leaders, technical specialists, and subject matter experts to deliver the highest quality solutions to our clients with consistency and accuracy.

What You’ll Do

We are seeking a highly qualified, licensed, Senior Mechanical Engineer who loves the challenge of complex manufacturing facility design projects. You will develop both conceptual and detailed designs for mechanical systems. This includes HVAC (heating, ventilation, and air conditioning), plumbing, piping, and specialized systems like compressed air, steam, and industrial gas distribution.

In order to be considered to join our AEC Practice as a Senior Mechanical Engineer, PE you must have demonstrated experience with delivery of facilities design packages for complex multi-discipline, architecture & engineering design projects. Preferably for Food, Beverage, Consumer Packaged Goods (CPG), or Life Science sector manufacturing clients.

  • Mechanical System Design: Lead the design and engineering of mechanical systems within manufacturing facilities, adhering to industry standards and regulations.
  • Equipment Sizing: Determine appropriate equipment sizes for efficient and effective operation of mechanical systems.
  • HVAC Systems: Design systems involving air handling units, chemical and laminar fume hoods, unit heaters/coolers, and other HVAC components to maintain optimal environmental conditions.
  • Fluid Systems: Engineer systems for water, chilled water, wastewater, cooling towers/condensers, boiler/steam or hot water, hydronic systems, compressed gases (air, O2, N2, CO2), waste/drain, and other plumbing systems.
  • Regulatory Compliance: Ensure that all mechanical designs meet local, state, and federal regulations and codes.
  • Software Proficiency: Utilize industry-standard software including REVIT, AutoCAD MEP, and Navisworks for modeling, simulation, and design.
  • Client Collaboration: Work closely with clients to understand their requirements, provide technical insights, and develop solutions that align with their goals.
  • Quality Assurance: Follow and maintain quality control processes to ensure that mechanical designs meet the highest standards and client expectations.
  • Team Collaboration: Collaborate with a multidisciplinary team of engineers, architects, and contractors to integrate mechanical systems seamlessly into larger projects.
  • Project Management: Oversee mechanical engineering aspects of projects, ensuring deadlines and budgets are met.

What You’ll Bring

  • A Professional Engineering (PE) license is mandatory.
  • A minimum of 10 years of hands-on experience in mechanical engineering, with a focus on designing mechanical systems for manufacturing facilities. Ability to complete mechanical system analysis, sizing, design, and report writing.
  • Proven expertise in equipment sizing, HVAC systems, and various mechanical systems specific to manufacturing plants.
  • In-depth knowledge of water, chilled water, wastewater, cooling towers/condensers, boiler/steam or hot water systems, hydronic systems, compressed gases (air, O2, N2, CO2), waste/drain, and other plumbing systems.
  • Proficiency in industry-standard software, including REVIT, AutoCAD MEP, and Navisworks.
  • Strong communication and interpersonal skills, enabling effective collaboration with clients and team members.
  • Willingness to travel for project requirements, including installation and start-up activities, client meetings, company-sponsored meetings, training, industry-related seminars, forums, and conventions.
  • Able to perform as a Mechanical Engineer and execute mechanical design on multi-discipline projects.
  • Relocation: We are looking for candidates local to the area. For qualified applicants outside of the local area relocation assistance is available.
  • BS degree Mechanical Engineering from an ABET school required.

Our culture and commitment to our people is what sets us apart. We foster an environment of mutual respect, integrity, and unconditional interest in the individual and collective success of our professionals. Our model and entrepreneurial mindset offer a rewarding, challenging, and highly flexible path. As a Sr. Mechanical Engineer, you will build a meaningful and fulfilling career with the support of professional development resources and mentorships including our First Year Experience program, Individual Development Plans, and Career Path resources and tools. You will be surrounded by exceptional talent who will support your development as both a world-class engineer and a highly effective leader.

The approximate pay range for this position is $120K - $160K. Please note that the pay range provided is a good faith estimate for the position at the time of posting. Final compensation may vary based on factors including but not limited to background, knowledge, skills, and abilities as well as geographic location of the position.

At Barry-Wehmiller we recognize that people come with a wealth of experience and talent beyond just the technical requirements of a job. If your experience is close to what you see listed here, please still consider applying. We know that our differences often can bring about innovation, excellence and meaningful work-therefore, people from all backgrounds are encouraged to apply to our positions. Please let us know if you require reasonable accommodations during the interview process.

Barry-Wehmiller is an equal opportunity employer. M/F/D/V This organization uses E-Verify.Applicants may be subject to pre-employment screening which may include drug screening, reference checks, employment verifications, background screening and/or skills assessments.

Company:

Design Group
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