Sr. Application Engineer

Senior Application Engineer – Industrial HVAC (Air Handling Units)

Company Overview:

We are a U.S.

-based subsidiary of a global engineering and manufacturing organization specializing in the design and fabrication of advanced industrial Air Handling Units (AHUs) utilizing Off-Site Manufacturing (OSM) and modular construction methodologies.

Our integrated delivery model aligns equipment fabrication with project schedules to reduce overall timelines, improve quality, minimize on-site labor, and enhance safety performance. We deliver not just equipment, but value-driven HVAC solutions that support efficiency, performance, and sustainability.

Our multidisciplinary expertise spans mechanical, structural, hydronic, electrical, instrumentation & controls (I&C), safety, and commissioning.

Position Overview:

We are seeking a Senior Application Engineer with experience in HVAC systems and Air Handling Units (AHUs) to play a critical role in customer engagement, concept development, and technical solution delivery. This role serves as a senior technical interface between customers, sales, and internal engineering teams. The ideal candidate brings strong HVAC design or MEP project experience, a consultative mindset, and the ability to translate complex requirements into practical, high-value solutions.

• Develop deep technical expertise in company products, modular/OSM capabilities, and engineering workflows to deliver optimized customer solutions
• Lead customer engagements to understand project requirements and translate them into customized AHU concepts
• Develop and present concept designs for customer approval, then collaborate with pricing teams for proposal development
• Own technical handover at PO stage, ensuring complete and accurate transfer of approved concepts and project requirements to engineering teams
• Lead and manage the submittal process, reviewing drawings, data sheets, and technical documentation for compliance with specifications
• Provide senior-level technical guidance for the design, selection, and application of standard and custom AHUs
• Interpret HVAC designs, P&IDs, drawings, and specifications to develop project-specific solutions
• Coordinate with consultants, contractors, and internal multidisciplinary teams to ensure alignment with project and client expectations
• Conduct site visits as needed to support installation, commissioning, and issue resolution
• Stay current on HVAC technologies, codes, and standards (ASHRAE, SMACNA, ISO, etc.) and apply best practices

• Mechanical design and thermodynamic calculations for AHUs and HVAC systems
• Structural and seismic considerations for complete AHU systems
• Equipment selection for performance, efficiency, and lifecycle optimization
• Electrical panel and power distribution requirements
• P&t and interpretation
• Factory Acceptance Testing (FAT) and commissioning processes

Note:

Detailed engineering execution is supported by dedicated engineering teams; this role focuses on concept development, coordination, and technical leadership.

• Bachelor’s Degree in Mechanical Engineering or equivalent
• 5+ years of experience in HVAC design, construction, manufacturing, or MEP subcontractor environments
• Strong expertise in AHU systems and industrial HVAC applications
• Proven experience in customer-facing technical roles (applications, solutions, project engineering, or pre-sales)
• Broad understanding of multidisciplinary engineering coordination
• Proficiency with AutoCAD, Revit, Solid Works, and Navisworks; BIM coordination experience preferred
• Excellent communication, problem-solving, and organizational skills
• Ability to manage multiple priorities in a fast-paced environment

Mid
- Senior level

Full-time

Manufacturing

Location:

Marion, OH