> Markdown version of [/jobs/ext/3962060-solar-applications-engineer-ii](https://www.wearedevelopers.com/jobs/ext/3962060-solar-applications-engineer-ii). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Solar Applications Engineer II - **Company:** Cal Solar Inc - **Location:** San Diego, CA, United States (Remote available) - **Experience:** Experienced - **Salary:** $80,000.0 - $90,000.0 - **Contract:** Permanent contract - **Skills:** Computer-Aided Design, Static Program Analysis, Databases, Performance Tuning, Value Engineering, PVsyst Software - **Published:** October 27, 2026 - **Apply:** https://www.thejobnetwork.com/job/4cb2cdbc-639e-4652-8db3-a123c89f93ad/solar-applications-engineer-ii ## About the Role * Education: Bachelor's degree in Electrical Engineering, Civil Engineering, or related technical discipline. * Experience: 3 - 5+ years of direct experience in commercial solar PV, BESS, and/or EV charging design, engineering, and preconstruction estimating. * Advanced Software Mastery: Proficiency in CAD software, Helioscope, PVSyst, Energy Toolbase, and advanced bidding platforms. * Codes & Standards: In-depth working knowledge of National Electrical Code (NEC 70), California Electrical Code (CEC), and utility interconnection rules. * Communication & Remote Autonomy: Strong technical writing and verbal skills with a proven ability to manage multiple bid deadlines independently in a full remote work environment. ## Description The Solar Applications Engineer II is an experienced technical professional responsible for leading full-scope application engineering, preconstruction design, and estimating across complex commercial, industrial (C&I), and multi-building solar PV, battery storage (BESS), and EV charging projects. Operating with independence, this role conducts electrical and code evaluations, manages multi-scope estimating tools, and evaluates equipment options for value engineering, * Full-Scope Application & System Design: Lead preconstruction design development for commercial solar, battery storage (BESS), and EV infrastructure across rooftop, carport, and ground-mount applications, optimizing system performance and constructability. * Advanced Electrical & Code Analysis: Perform electrical engineering evaluations including line-side vs. load-side taps, transformer sizing, overcurrent protection (OCPD), voltage drop calculations, and short-circuit fault current analysis in compliance with NEC 70 and local AHJ standards. * Multi-Scope Estimating & Value Engineering: Master estimating platforms to build comprehensive project estimates. Solicit and evaluate competitive vendor quotes for modules, inverters, racking, energy storage, and electrical infrastructure equipment. * Field Page-Turns & Preconstruction Integration: Lead Design Review Page-Turn Meetings and Pre-Mobilization Meetings with Construction Managers and Field Project Engineers, ensuring a seamless transition from estimating to field execution. * SOP Refinement & Mentorship: Maintain and update internal SOP workflows, estimating databases, and layout software templates while providing day-to-day technical guidance to entry-level applications engineers.