Solar Applications Engineer I
At Cal Solar Inc · San Diego, California
Salary: $65,000.00 – $75,000.00 a year
- Engineering
- Full-time
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Where you’ll work
Hybrid, based in San Diego
“San Diego, California”
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The job board lists it as hybrid.
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- Posted
- 19 October 2026
- First seen by us
- 20 October 2026
- Last checked
- 17 hours ago
Job description
From Cal Solar Inc’s job post, as they wrote it.
Solar Applications Engineer I
* Base Salary Range: $65,000.00 – $75,000.00 annually
* Job Type: Full-Time (Exempt / Non-Exempt)
* Physical Setting: Hybrid
* Benefits:
* 401(k)
* Dental Insurance
* Health Insurance
* Paid Time Off
* Vision Insurance
*
Position Summary
The Solar Applications Engineer I is an entry-level technical position responsible for supporting preconstruction, estimating, and engineering design workflows for commercial, industrial, and multi-building solar PV, battery energy storage systems (BESS), and EV charging infrastructure. Working under structured guidance, this role extracts technical specifications from architectural/electrical blueprints, models system production using specialized layout software, inputs system parameters into bidding platforms, and assists with preliminary site evaluations and vendor submittals.
Read the full description
Key Responsibilities
* Preliminary Design & Blueprint Extraction: Review architectural, structural, mechanical, and electrical construction drawings (single-line diagrams, panel schedules, electrical room locations) to extract site constraints and layout parameters for new construction and retrofit projects.
* Layout Modeling & Software Execution: Configure preliminary rooftop, carport, and ground-mount PV arrays in Helioscope and CAD Software, observing fire setbacks, structural obstacles, and shade obstructions.
* Bidding & Estimating Configuration: Input system specifications (modules, inverters, optimizers, racking systems, service voltage) into bidding software to prepare cost estimates and scope descriptions.
* Voltage & Electrical Verification: Verify electrical service ratings (208V, 240V, 480V three-phase vs. single-phase) and main panel busbar capacities against preliminary design drawings.
* Sales & Estimating Coordination: Process incoming sales requests, organize preconstruction project documentation, track vendor equipment quotes, and support lead estimators in clarifying bid deliverables.
* Site Walk & Quantity Take-Off Assistance: Assist project teams during preliminary site walks, taking field measurements and compiling basic electrical/civil material take-offs.
Qualifications & Technical Requirements
* Education: Bachelor’s degree in Electrical Engineering, Civil Engineering, Construction Management, or a related technical discipline (recent engineering graduates welcomed).
* Experience: 0 – 2 years of experience in solar PV design, project engineering, or electrical estimating.
* Software Proficiency: Foundational knowledge of CAD software, Energy Simulation Software’s, and Google Workspace / MS Office.
* Blueprint Reading: Ability to read and interpret single-line diagrams (SLDs), electrical panel schedules, and architectural blueprints.
* Industry Knowledge: Basic understanding of National Electrical Code (NEC 70) principles and commercial solar electrical systems.
Company Description
Cal Solar Inc. specializes in the design and construction of solar energy solutions including Solar PV (Electric), Solar Water Heating, Battery Storage, and EV Charging systems. Serving a range of building types such as multifamily, commercial, offices, schools, and low-income housing, the company offers comprehensive services that span design, engineering, installation, maintenance, and financing. With offices located in Los Angeles, San Diego, and San Rafael, Cal Solar Inc. provides services across the entire state of California. For more information, visit www.calsolarinc.com or call [phone removed].
** Cal Solar only works with pre-approved recruiters, please do NOT contact the hiring department / manager to offer recruiting services.
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