Mechanical Design Engineer - Inverter & Charger Cabinet Systems

Caterpillar Financial Services Corporation; Bengaluru; On-site; INR 2,500,000 - 3,800,000; Full time

Job summary

Caterpillar Inc. in Bengaluru seeks an experienced Mechanical Engineer to design and validate enclosure solutions for power conversion products.

You will translate requirements into manufacturable, cost-effective designs from concept to production release. The role requires expertise in designing inverter/charger cabinets, switchgear enclosures, and containerized power systems, with strong CAD skills (Creo/SolidWorks/NX) and collaboration across engineering teams.

Qualifications

• Bachelor's degree in Mechanical Engineering or equivalent.
• 6+ years of hands-on mechanical design experience in enclosures/structures for electrical equipment or related industries.
• Proven experience designing inverter cabinets, charger cabinets, switchgear enclosures, or containerized power systems from ground up.
• Proficiency in 3D CAD tools such as Creo, SolidWorks, NX, or equivalent.

Responsibilities

• Designs, develops, validates mechanical systems and enclosure solutions for power conversion products from concept through production release.
• Lead mechanical design and development of inverter cabinets, battery charger cabinets, power enclosures, and switchgear systems.
• Develop cabinet architectures, cooling, cable routing, and serviceability features.
• Create detailed 3D CAD models, assemblies, drawings, BOMs, and engineering documentation.
• Define enclosure layouts with electrical clearances, IP, EMC, maintainability and safety standards.
• Collaborate with electrical, manufacturing, sourcing, and quality teams in reviews.

Skills

Mechanical design

3D CAD

Enclosures design

Cross-functional collab

Education

Bachelor's degree in Mechanical Engineering

Tools

Creo

SolidWorks

NX

Job description

Career Area: Engineering

Job Description:

Your Work Shapes the World at Caterpillar Inc.

When you join Caterpillar, you're joining a global team who cares not just about the work we do – but also about each other. We are the makers, problem solvers, and future world builders who are creating stronger, more sustainable communities. We don't just talk about progress and innovation here – we make it happen, with our customers, where we work and live. Together, we are building a better world, so we can all enjoy living in it.

Role Definition

Designs, develops, validates mechanical systems and enclosure solutions for power conversion products, including inverter cabinets, charger cabinets, power distribution equipment, switchgear cabinets, and containerized electrical systems. Responsible for translating system requirements into robust, manufacturable, cost-effective mechanical designs from concept development through production release.

Key Responsibilities

• Product Design & Development
• Lead the mechanical design and development of inverter cabinets, battery charger cabinets, power conversion enclosures, and switchgear systems from concept to production.
• Develop cabinet architectures, structural frameworks, mounting arrangements, cooling systems, access provisions, cable routing, and serviceability features.
• Create detailed 3D CAD models, assemblies, manufacturing drawings, BOMs, and engineering documentation.
• Define enclosure layouts considering electrical clearances, creepage distances, thermal management, ingress protection (IP), EMC requirements, maintainability, and safety standards.
• Design sheet metal, fabricated structures, welded assemblies, busbar support structures, mounting brackets, doors, locks, hinges, and internal equipment arrangements.
• Participate in product architecture reviews and cross-functional design reviews with electrical, manufacturing, sourcing, and quality teams.

Thermal & Structural Design

• Develop cooling concepts utilizing natural convection, forced-air ventilation, heat exchangers, or liquid-cooling interfaces as required.
• Perform or support structural, vibration, seismic, to ensure product reliability and compliance.
• Evaluate cabinet strength, transportation loads, lifting provisions, and environmental performance requirements.

Manufacturing & Supplier Collaboration

• Work closely with fabrication suppliers and manufacturing teams to optimize designs for manufacturability, assembly, installation, and cost.
• Support prototype builds, factory testing, design validation activities, and issue resolution.
• Assist sourcing and supplier quality teams with supplier selection, technical reviews, and continuous improvement activities.
• Drive cost reduction, value engineering, and standardization initiatives.

Verification & Compliance

• Develop and execute design verification plans.
• Support certification and compliance activities related to applicable industry standards.
• Investigate field issues, perform root cause analysis, and implement corrective actions.

Basic Qualifications

• Bachelor's degree in Mechanical Engineering or equivalent engineering discipline.
• 6+ years of hands‑on mechanical design experience in design and development of enclosures and structures for electrical equipment, power electronics, switchgear, power conversion systems, or related industries.
• Proven experience designing inverter cabinets, charger cabinets, switchgear enclosures, electrical control cabinets, or containerized power systems from the ground up.
• Experience with sheet metal design, structural fabrication, and enclosure development.
• Proficiency in 3D CAD tools such as Creo, SolidWorks, NX, or equivalent.

Preferred Qualifications

• Utility-scale energy storage systems (BESS)
• Power conversion systems (PCS)
• Renewable energy products
• UPS systems
• EV charging infrastructure
• MV/LV switchgear
• Containerized electrical substations or E-Houses
• Familiarity with IEC, UL, NEMA, IP, and electrical equipment enclosure standards.
• Knowledge of thermal management and cooling system design.
• Experience coordinating with electrical engineering teams on controls, power electronics, and cable management design.

This job requires working from office 5days in a week.

Posting Dates:

September 3, 2026 - September 16, 2026

Caterpillar is an Equal Opportunity Employer. Qualified applicants of any age are encouraged to apply