Medium Voltage Mechanical Design Engineer

About SEG:

Join SEG Sparkstone — Engineering the Future of Power Distribution & Control Through Agile Engineering

At SEG Sparkstone, we’re more than a manufacturing company — we’re innovators shaping the future of power distribution and control. Founded as Chicago Switchboard in 1936, we’ve grown into a trusted industry leader with manufacturing locations in Addison, Illinois; Armada, Michigan; Houston, Texas; and Loveland, Colorado.

We specialize in designing and delivering custom-engineered low and medium voltage electrical products and control systems that power industries, facilities, and infrastructure across the United States. Our reputation is built on agility, innovation, and a progressive mindset, empowering every team member to make a direct impact on our success.

If you’re passionate about driving change in a fast-paced, collaborative environment and value agility, customer focus, and integrity, we’d love to hear from you.

Position Summary

We are seeking an experienced and highly motivated Mechanical Design Engineer. The ideal candidate must have a minimum of 2 years of Medium Voltage (MV) switchgear design experience. Proficiency in 3D modeling software (Autodesk Inventor or equivalent) and AutoCAD 2D is required.

This role involves close collaboration with engineering and production teams to develop innovative designs, provide factory floor support, and contribute to R&D initiatives. The successful candidate must demonstrate strong organizational skills, the ability to meet project deadlines, and the capability to perform effectively in a fast-paced environment.

Location

This position is based on-site at our Addison, Illinois factory and requires presence in the factory five days per week to collaborate directly with production, engineering, supply chain, and quality teams.

Key Responsibilities

• Design and develop mechanical layouts and assemblies for MV switchgear, and related systems.
• Create and revise detailed 3D models and 2D drawings using Autodesk or similar 3D CAD software and AutoCAD 2D.
• Collaborate with electrical engineers to ensure mechanical and electrical integration of components.
• Provide hands-on factory floor support to resolve design, fit, or assembly issues during production.
• Participate in R&D projects, contributing to innovation and continuous improvement initiatives.
• Ensure designs comply with applicable standards, customer specifications, and manufacturing capabilities.
• Troubleshoot design and fabrication challenges with strong problem-solving and analytical skills.
• Maintain accurate documentation and revision control for all design files and drawings.
• Manage time effectively to meet project schedules and deadlines for customer approval drawings, BOM release, and production support.
• Communicate effectively across departments, supporting smooth project execution and timely delivery.

Qualifications & Skills

• Bachelor’s degree in Mechanical Engineering or a related field.
• Minimum 2 years of experience with a MV switchgear manufacturer.
• Proficiency in Autodesk Inventor, SolidWorks, or equivalent 3D design software.
• Exposure to PDM systems and ERP-integrated design environments.
• Strong knowledge of AutoCAD 2D drafting.
• Solid understanding of MV switchgear construction.
• Working knowledge of IEEE standards related to switchgear, including IEEE C37 series for metal-clad and metal-enclosed equipment.
• Familiarity with MV UL standards and compliance requirements.
• Understanding of metal-clad design principles, such as compartmentalization, bus isolation, grounding, safety interlocks, and arc-resistant considerations.
• Experience with metal-enclosed switchgear layouts, including bus arrangements, breaker compartments, cable sections, and equipment integration.
• Knowledge of high-voltage insulation clearances, dielectric spacing, and creepage distances for MV equipment up to 38kV.
• Familiarity with busbar design, short-circuit bracing, and structural support for fault withstand requirements.
• Excellent communication skills with a strong sense of ownership and accountability.
• Innovative mindset with enthusiasm for R&D and new product development.