Mechanical Design Engineer - Outdoor Solar & ESS Inverters (EE26121)

TMEIC Corporation; Roanoke (VA); On-site; USD 93,000 - 140,000; Full time

Job summary

TMEIC Corporation in Roanoke, VA seeks an experienced Mechanical Design Engineer to create and validate outdoor PV and energy storage inverter systems. You will develop enclosures, frames, and packaging, ensure environmental ruggedness, and collaborate with electrical, thermal, and sourcing teams.

Responsibilities include 3D modeling, documentation, and validating designs through testing. Travel up to 20% may be required; strong CAD and multi-physics skills are essential.

Qualifications

• Bachelor's degree in mechanical or related field required.
• 3+ years of mechanical design experience in power electronics or outdoor equipment.
• Proficiency with 3D CAD tools such as SolidWorks, Creo, NX.
• Experience with multi-physics simulations (FEA/CFD).
• Understanding of thermal management for power electronics.
• Knowledge of IP/NEMA outdoor equipment design standards.
• Willingness to travel up to 20% domestically and internationally.
• Strong communication and teamwork abilities.

Responsibilities

• Design mechanical systems for outdoor PV and ESS inverter platforms.
• Develop 3D models, drawings, BOMs and engineering documentation.
• Define architecture, clearances, and serviceability with cross-functional teams.
• Design outdoor-rated enclosures addressing IP, sealing, corrosion, and cooling needs.
• Integrate cooling components, airflow, heat sinks, fans, and related features.
• Perform structural, thermal, and tolerance analyses to validate designs.
• Coordinate prototype builds, environmental and mechanical testing.
• Analyze field issues and implement design improvements for reliability.
• Apply manufacturability and lifecycle cost considerations; participate in design reviews.

Skills

Mechanical design proficiency

Thermal management knowledge

Outdoor equipment design understanding

Team collaboration

Travel willingness

Education

Bachelor's degree in mechanical engineering or related field

Tools

SolidWorks

Creo

NX

Job description

General Role Description

Design, develop, and validate mechanical systems for outdoor photovoltaic (PV) and energy storage system (ESS) inverter platforms in order to ensure reliable performance, environmental protection, manufacturability, and serviceability in harsh outdoor conditions

General Role Description

Design, develop, and validate mechanical systems for outdoor photovoltaic (PV) and energy storage system (ESS) inverter platforms in order to ensure reliable performance, environmental protection, manufacturability, and serviceability in harsh outdoor conditions

• Design mechanical systems for inverter platforms, including enclosures, structural frames, mounting systems, internal layouts, and component packaging, in order to meet product design and project requirements
• Develop 3D models, detailed drawings, bills of material, and engineering documentation for inverter assemblies in order to enable accurate manufacturing, assembly, and product release
• Define mechanical architecture, clearances, accessibility, and serviceability requirements in coordination with electrical, thermal, controls, sourcing, manufacturing, and testing teams
• Design outdoor-rated inverter enclosures and related mechanical systems in order to address ingress protection, ventilation, sealing, condensation control, corrosion, solar loading, ambient temperature, altitude, acoustic, and vibration requirements
• Integrate cooling components, airflow paths, ducting, heat sink structures, fans, heat exchangers, pumps, and related mechanical features in collaboration with thermal and electrical teams
• Perform structural, vibration, tolerance stack-up, manufacturability, and thermal-stress evaluations in order to validate mechanical designs and reduce product risk
• Coordinate prototype builds, environmental testing, mechanical testing, and validation activities in order to confirm design performance and identify required design modifications
• Analyze field issues and root cause findings in order to implement mechanical design improvements that reduce failures and improve reliability
• Apply design for manufacturability, assembly, serviceability, and cost principles in order to improve fabrication, assembly, localization, supplier qualification, and lifecycle cost
• Participate in design reviews and provide technical input to proposal, field, and client-facing activities as needed

General Employee Accountabilities

• Bring full effort to bear on tasks assigned by manager
• Give manager best advice
• Give earliest notice when work cannot be delivered as specified
• Cooperate and collaborate with peers and interact cross-organizationally as specified by manager
• Exemplify Company Core Values: Integrity, Client Focus, Team Orientation, and Personal Commitment
• Comply with all Company policies, practices, and procedures and all regulations and laws
• Recommend viable improvements proactively
• Ensure effective utilization of business tools and processes

Minimum Qualifications

• Bachelor's degree in mechanical engineering, aeronautical engineering or related field, or equivalent via education and/or work experience
• 3 years of demonstrated experience in mechanical design for power electronics, inverters, switchgears, transformers, outdoor industrial equipment, or related mechanical systems
• Demonstrated experience with 3D CAD tools such as SolidWorks, Creo, NX, or equivalent
• Demonstrated experience with multi-physics simulations (FEA/CFD) using tools such as COMSOL, ANSYS Maxwell, etc.
• Demonstrated understanding of structural design, materials, and manufacturing processes such as sheet metal, casting, machining, or related fabrication methods
• Demonstrated understanding of thermal management and cooling systems for power electronics
• Familiarity with environmental design requirements for outdoor equipment, including IP and/or NEMA ratings
• Demonstrated successful working relationships with clients, suppliers, and other internal and external contacts
• Demonstrated successful and positive personal leadership, interpersonal, organizational, administrative, and communication skills
• Demonstrated continuous improvement in areas of responsibilities
• Proficiency in Microsoft Office programs
• Availability to travel domestically and internationally, less than 20% as needed, occasionally with limited notice

Preferred Qualifications

• 5 years of demonstrated experience in mechanical design for power electronics, inverters, switchgears, transformers, outdoor industrial equipment, or related mechanical systems
• Demonstrated experience with designing equipment to meet UL, IEC, or other standards relevant to outdoor electrical equipment
• Demonstrated experience with liquid cooling system design
• Demonstrated experience working with global teams
• Demonstrated experience with developing and onboarding relevant domestic and global suppliers

EEO/AA/M/F/Vet/Disability Employer

Hiring Range: $93,450 - $140,150