Erthos · 1 month ago
Junior Mechanical Engineer
Erthos is an energy technology company dedicated to providing the world’s lowest-cost green energy. They are seeking a Junior Mechanical Engineer to join their Research & Development team in Chandler, Arizona, focusing on the design and development of innovative mechanical systems for solar installations and associated technologies.
Energy EfficiencyRenewable EnergyService IndustrySolar
Responsibilities
Mechanical Design & Development – Lead the end-to-end design of novel mechanical systems, from concept sketches to production-ready models, ensuring compliance with performance, safety, and industry standards
Prototyping & Testing – Build and refine prototypes, conducting detailed lab tests to validate durability, reliability, and efficiency in real-world operating conditions
Structural Analysis – Apply Finite Element Analysis (FEA) and other modeling techniques to optimize structural integrity and performance while minimizing cost and complexity
Value Engineering – Focus on reducing cost and complexity while maintaining or enhancing product performance
Cross-Functional Collaboration – Work closely with electrical engineers, software developers, manufacturing teams, and project managers to integrate mechanical designs into complete system solutions
Field Support & Feedback – Occasionally travel to installation sites to oversee implementation, troubleshoot issues, and collect insights for future product improvements
Qualification
Required
Bachelor's degree in Mechanical Engineering or a related field
3+ years of professional experience in mechanical product development, preferably in outdoor, industrial, or renewable energy applications
Strong understanding of mechanical design principles
Proficiency in SolidWorks and SolidWorks Simulation
Familiarity with industry trends and design for manufacturability and assembly (DFMA)
Knowledge of Geometric Dimensioning and Tolerance Analysis (GD&T) and the related standards
Demonstrated experience with hands-on lab testing and iterative prototyping
Familiarity with the use of and capabilities of rapid prototyping equipment (CNC, 3D printing, waterjet, laser cutter, etc.)
Experience collaborating with manufacturing vendors to optimize designs for manufacturability, cost, and performance
Exceptional communication skills and ability to work collaboratively across teams
Strong analytical skills and problem-solving abilities
Written and verbal proficiency in English
Preferred
Master's degree in Mechanical Engineering or a related field
Prior experience with mobile robotics
Experience in solar, renewable energy, or large-scale outdoor equipment
Multidisciplinary physics/engineering knowledge (e.g., control systems, thermal analysis, materials science)
Experience with mold design, sheet metal fabrication, and welding design
Benefits
Erthos pays 90% of all medical, dental and vision insurance premiums for its employees and their spouse and children.
Stock options granted to all employees.
Annual bonus potential.
Flexible Paid Time Off (PTO).
401(K)
Company
Erthos
Erthos transforms the utility-scale solar industry by driving technology innovation to arrive at the lowest levelized cost of energy.
H1B Sponsorship
Erthos has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2024 (3)
2023 (2)
2022 (1)
2021 (1)
Funding
Current Stage
Growth StageTotal Funding
$50.85MKey Investors
Capricorn Investment Group
2023-09-11Series C· $24M
2022-03-01Series B· $17.5M
2020-10-06Series Unknown· $1.95M
Recent News
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2025-12-20
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2025-12-19
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