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Mechanical Engineer – HVAC Systems

SEMCO, LLC
Columbia, MO Full Time
POSTED ON 9/11/2026
AVAILABLE BEFORE 1/9/2027

Job Summary

Mechanical Engineer responsible for the design, development, analysis, and support of HVAC equipment, systems, and components throughout the product lifecycle. This role ensures that products meet performance, quality, safety, manufacturability, regulatory, and cost requirements while supporting customer needs and business objectives. The engineer collaborates with cross-functional teams including sales, product management, manufacturing, purchasing, quality, and service organizations.

Major Responsibilities:

· Engineer HVAC system solutions, including performance calculations, component selections, and system layout, based on project specifications and requirements.

· Creation of 2D/3D designs and technical submittals coordinated with customers, suppliers, and internal teams to ensure technical compliance and manufacturability.

· Ensure designs comply with applicable codes and standards, including, but not limited to the following: ASHRAE, AHRI, AMCA, UL, ETL, NFPA

· Provide technical expertise to sales, customers, and consulting engineers reviewing project specifications and assist with equipment selection.

· Manage projects to meet schedule, cost, and performance objectives, tracking project milestones, risks and deliverables.

· Support product releases, creating bills of materials (BOMs), specifications, and technical documentation, and performing design verification.

· Collaborate with manufacturing to improve product quality, efficiency, and manufacturability,

· Resolve production issues related to product design, and review and disposition engineering change requests and notifications (ECRs & ECNs).

· Conduct Factory Acceptance Testing (FAT) with test plans, validation protocols, and reports.

· Support service participating in field troubleshooting and root cause warranty investigations, analyzing field data and identifying corrective actions and opportunities for improvement.

Description of Authority:

· Approve engineering designs within assigned product responsibilities.

· Recommend design changes and product improvements.

· Establish technical requirements and specifications.

· Resolve engineering issues affecting product performance and manufacturability.

· Provide engineering guidance to internal stakeholders.

Major Organization Interfaces/Interactions:

· Engineering

· Sales

· Order Entry

· Sourcing

· Manufacturing

· Service

· Information Technologies

· Research and Development

Join us to be part of an energetic environment where your expertise will directly influence innovative mechanical solutions! We are committed to supporting your growth through challenging projects that push the boundaries of engineering excellence while fostering a collaborative team culture dedicated to continuous improvement.

Benefits:

  • 401(k)
  • 401(k) matching
  • Dental insurance
  • Health insurance
  • Life insurance
  • Paid time off
  • Parental leave
  • Vision insurance

Application Question(s):

  • How many years of professional mechanical engineering experience do you have?
  • How many years of experience do you have designing or engineering HVAC equipment or systems?
  • Do you have professional experience performing HVAC performance calculations and component selections?
  • Do you have experience creating or modifying 2D and/or 3D mechanical designs for manufactured equipment?
  • How many years of experience do you have using 3D CAD/design software in a professional engineering environment?
  • Do you have experience creating or maintaining Bills of Materials (BOMs), engineering specifications, or technical product documentation?
  • Do you have professional experience designing equipment to applicable HVAC or mechanical codes and standards such as ASHRAE, AHRI, AMCA, UL, ETL, or NFPA?
  • Do you have experience conducting or supporting Factory Acceptance Testing (FAT), product validation, or design verification?

Work Location: Hybrid remote in Columbia, MO 65202

Salary : $70,022 - $97,360

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