Job Description

Job Description

Job Description

Role Overview

The Mechanical Design Engineer will focus primarily on designing robust, efficient, and standards-compliant enclosures for dry-type transformers in both copper and aluminum configurations. Over time, the role will expand to support mechanical optimization across the plant, including tooling, process flow, cost reduction, and automation-readiness.

Key Responsibilities

Transformer Enclosure Design (Core Responsibility)

• Design sheet metal transformer enclosures from 15 to 1000 kVA (copper and aluminum units).
• Ensure designs comply with CSA, UL, NEMA, and other relevant standards.
• Develop detailed CAD models, drawings, and BOMs.

Optimize Manufacturing Processes & Tooling

• Design jigs, fixtures, and handling tools to improve assembly precision and reduce labor time.
• Streamline mechanical assembly processes (core clamping, coil-to-frame attachment, enclosure fit-up).
• Apply lean principles to reduce waste, modularize components, and improve ergonomics.

Support Thermal & Acoustic Performance

• Design airflow paths, louvers, or cooling ductwork to support thermal dissipation.
• Conduct basic simulations to evaluate heat and airflow.
• Implement noise mitigation strategies (dampening, acoustic paneling, vibration control).

Enhance Product Standardization and Modularity

• Create scalable, modular enclosure/frame designs for multiple transformer sizes.
• Develop standardized CAD libraries, templates, and BOM structures for reuse.
• Reduce SKU complexity and shorten quoting and production timelines.

Lead Cost Reduction Initiatives

• Identify alternative materials, fastening methods, and components to reduce cost.
• Redesign components for manufacturability to simplify welding or assembly.
• Support vendor sourcing for cost-effective mechanical parts.

Support Testing and Compliance

• Participate in mechanical testing (e.g., tilt, lift, impact, thermal).
• Ensure designs meet regulatory requirements and certification standards.
• Assist with troubleshooting test failures related to enclosure design and performance.

Documentation & Support

• Generate diagrams, lifting guides, and installation instructions.
• Produce BIM models or 3D files for customer-facing proposals and documentation.
• Provide support to technical sales on enclosure specifications and customization options.

Advance Future Automation & Plant Capability

• Assist in the design of carts, conveyors, or fixtures to aid future automation.
• Recommend layout and design changes to support plant efficiency and scalability.

Qualifications

Required:

• Bachelor’s degree in Mechanical Engineering or related field.
• 3+ years of mechanical design experience in a transformer manufacturing environment or similar environment.
• Proficiency in 3D CAD (SolidWorks, Inventor, or similar).
• Knowledge of sheet metal design, thermal management, and mechanical standards (CSA, UL, NEMA, IEC).
• Strong communication skills and ability to collaborate across teams.

Preferred:

• Experience with dry-type transformers or power distribution equipment.
• Familiarity with lean manufacturing and DFM principles.
• Exposure to FEA/CFD software for thermal and mechanical simulation.
• Experience with ERP systems and BOM structures.

Why Join MacKinnon Magnetics?

• Competitive hourly wages and comprehensive benefits
• Opportunities to grow into more specialized roles or leadership positions as the company scales
• Be part of building a company from the ground up, with a say in shaping our processes and culture
• Modern, clean, and safety-focused manufacturing environment
• Collaborative, fast-paced, small-team environment where your contributions make a visible impact

MacKinnon Magnetics is a Canadian startup currently setting up its manufacturing facility to produce high-quality dry-type distribution transformers ranging from 15 kVA to 1000 kVA. We're building the company from the ground up, which means you'll be joining at an exciting and formative stage. Our team is small, collaborative, and fast-paced—with the flexibility and learning opportunities that come from a true startup environment. This role offers a unique opportunity to contribute meaningfully to our foundational operations.

Company Description

MacKinnon Magnetics is a Canadian startup currently setting up its manufacturing facility to produce high-quality dry-type distribution transformers ranging from 15 kVA to 1000 kVA. We're building the company from the ground up, which means you'll be joining at an exciting and formative stage. Our team is small, collaborative, and fast-paced—with the flexibility and learning opportunities that come from a true startup environment. This role offers a unique opportunity to contribute meaningfully to our foundational operations.

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