Mechanical Design Engineer – Switchgear (UL 891)

Qualdoc•Marietta, OH

1d•Onsite

About The Position

The Mechanical Design Engineer – Switchgear is responsible for the mechanical design, layout, and documentation of UL 891 low-voltage switchgear assemblies. This role owns enclosure layouts, structural components, bus compartment arrangements, breaker mounting, cable management, ventilation, and serviceability considerations, ensuring designs are compliant, manufacturable, and aligned with customer requirements. This is a highly technical, execution-focused role requiring direct experience with UL 891 switchgear design, strong CAD skills, and close collaboration with electrical engineering, manufacturing, and production teams.

Requirements

Bachelor’s degree in Mechanical Engineering or equivalent experience
3–8+ years of experience designing low-voltage switchgear
Hands-on experience with UL 891 switchgear design
Ability to independently execute designs from day one
Strong knowledge of: Switchgear enclosures and structural design, Breaker mounting and compartmentalization, Bus compartment segregation and clearances, Cable entry, routing, and termination access, Cooling, ventilation, and arc containment
Experience supporting UL inspections and compliance documentation
Proficiency in AutoCAD, SolidWorks, Inventor, or similar CAD tools
Strong understanding of sheet metal fabrication, weldments, and manufacturing processes
Ability to collaborate cross-functionally with engineering and production teams
High attention to detail with strong organizational and documentation skills

Responsibilities

Design and develop mechanical layouts and assemblies for UL 891 low-voltage switchgear
Create enclosure arrangements, internal compartments, breaker mounting schemes, and structural components
Develop fabrication-ready drawings, including: General arrangements, Sheet metal parts, Weldments, Bills of Materials (BOMs)
Ensure designs meet UL 891 requirements, manufacturing standards, and internal design rules
Collaborate with electrical engineering to align mechanical layouts with one-line diagrams, bus configurations, and cable routing/termination
Support Design for Manufacturability (DFM) and Design for Assembly (DFA) initiatives
Participate in design reviews to resolve interferences, access, clearance, and serviceability challenges
Support manufacturing during build, testing, and UL inspection activities
Contribute to value engineering efforts to optimize cost, size, and efficiency
Maintain accuracy, urgency, and ownership in a fast-paced production environment
Travel occasionally for factory coordination, supplier engagement, or project needs