Design Engineer
Cal Solar Inc
Company Overview
Cal Solar Inc., also known as California Solar Integrators Inc.
San Diego, CA, United States
2010
Approximately 100-200 employees (source: rocketreach.co). Revenue estimated at $25 million annually (source: growjo.com).
What They Do
Cal Solar Inc. focuses exclusively on solar photovoltaic (PV) electric systems, solar water heating, battery storage, solar thermal, energy storage, microgrids, and EV charging infrastructure. The company delivers turnkey services that encompass design, engineering, permitting, procurement, construction, installation, maintenance, and financing (source: rocketreach.co). Their solutions target a diverse range of markets including multifamily housing, commercial and industrial buildings, offices, hotels, hospitals, warehousing, schools, low-income housing, public sector projects, senior living facilities, houses of worship, retail, manufacturing, and healthcare (source: calsolarinc.com). By serving developers, owners, operators, general contractors, and end-users exclusively within California, Cal Solar has established a strong foothold in the renewable energy sector.
Projects & Track Record
Cal Solar Inc. has completed over 600 engineered plansets and more than 500 large-scale projects across California, including over 200 prevailing wage jobs in sectors such as multifamily housing and commercial/industrial projects (source: calsolarinc.com). Notable clients include Meta Housing, Costco, Starbucks, and the LA Community College District, showcasing their capability to handle significant public works and commercial projects. The company operates in 13 electric utility territories and has established partnerships with various developers and contractors, enabling them to maintain a competitive edge in the market (source: cbinsights.com).
Recent Developments
In the last two years, Cal Solar Inc. has maintained steady operations without major contracts won, acquisitions, or funding rounds, distinguishing itself from competitors who have faced closures (source: savkat.com). A significant milestone was the launch of its statewide Solar EPC Services Division on June 15, 2022, which leverages in-house engineering and a large team of installers to serve solar developers and independent power producers (source: cbinsights.com). This division positions Cal Solar as a leading provider for commercial, multifamily, and public works projects, with over 600 completed projects to date.
Working There
Cal Solar Inc. employs a diverse range of roles across various departments, including design, engineering, estimation, installation, and commercial development. The company boasts a team of 10 engineers, over 100 field personnel, and experienced leadership with decades of industry experience (source: calsolarinc.com). The culture at Cal Solar emphasizes safety, quality, self-performance, and stakeholder collaboration, fostering an environment conducive to innovative solutions and growth. Hiring is likely across all offices, including their headquarters in Los Angeles and additional locations in San Diego, Oakland, and San Rafael (source: rocketreach.co). However, specific benefits packages have not been documented in available sources.
Last updated on Feb 26, 2026 | Report an issue
Job Description
The Design Engineer is responsible for the design coordination, planset production, and permitting of an energy project. For new construction projects, the design engineer works closely with the building AOR, SEOR, and EEOR, ensuring that the building infrastructure can support the energy system architecturally, structurally, and electrically. Internally, the design engineer must work closely with the Engineering Managers, Superintendents, and Project Managers, to tap into decades of solar expertise -- setting up the project for future construction success. The design engineer should have a firm grasp of the state and local building and electrical codes, have excellent time management, organizational and communication skills, all to deliver a fully coordinated, permitted, and buildable planset, on time and on budget. You must currently reside in San Diego or Riverside Counties. This is not a remote position.
Primary Responsibilities & Duties
- Follow company and department standards/SOPs.
- Ensure full coordination with building AOR, EEOR, SEOR, EOR, on key coordination points.
- Successfully communicate with all project stakeholders.
- Perform solar design intake, coordination markups, and draft solar shop drawings.
- Lead solar drafters in providing complete and accurate code compliant plansets on time.
- Coordinate site walks with superintendents.
- Coordinate carport structural sheets and calculations with carport mfg.
- Coordinate carport lighting and photometrics with lighting mfg.
- Coordinate with interconnection department on IX applications.
- Review & QC solar plansets, obtain shop drawing approvals from AOR/GC.
- Coordinate EE & SE Review/Calcs/Stamp.
- Submit, track closely, & follow-up on projects through AHJ plan - check.
- Track and constantly update project process/activity through Scoop platform.
- Track project time and costs through Miter platform.
- Ensure accurate inputs within Scoop platform.
- Maintain sense of urgency with clients and ensure timely deliver of permitted plansets.
Team Building & Culture
- Embody and promote the Cal Solar "GRIPT" core values and demonstrate those values in interactions with internal and external stakeholders.
- Foster open communication, team building, and sharing of best practices amongst all employees, to help create a continuous learning environment that drives team knowledge & preparedness.
- Encourage employees to take an active role and be accountable for their career growth.
- Oversee the training and development of all direct reports through the performance planning process and maintaining 1:1 meetings/check-ins, and coordinating with HR to help identify available programs and training that may assist in their professional and personal development.
Required Skills/Abilities
- Minimum 2 years of commercial solar design and engineering.
- A minimum of 50 designed & engineered commercial solar systems projects.
- Be a current resident in San Diego or Riverside Counties.
- 2 years of coordinating solar carport designs desired.
- Full competence in solar and battery design.
- Proficiency with 208V and 480V 3 Phase electrical architecture.
- Time management - sense of urgency, ability to pull - plan a critical path schedule.
- Effective & efficient communication both internally and externally.
- Project management and organizational skills.
- High reading comprehension and writing proficiency.
- Resourcefulness, able to do research on products and code, self starter.
- Knowledge of state and local codes as it pertains to Solar Energy.
- General architectural, electrical, and structural competence.
- Ability to comprehend and create construction plansets and electrical SLD.
- Ability to QC Solar PV System construction plansets.
- Ability to coordinate Electrical Tie-ins with EEOR.
- Experience with project management software such as Scoop.
- Ability to navigate multiple AHJ plancheck and permit issuance processes.
- AutoCAD and BlueBeam Competency.
The starting annual base pay for this role is between USD $85K - $120K. The actual base is dependent upon many factors, such as: location, training, transferable skills, work experience, business needs and market demands. The base pay range is subject to change and may be modified in the future.
Benefits
- Competitive salaries
- Health/vision/dental insurance
- 401(k) plan with 6% match
- Paid holidays
- Flexible PTO
Apply now
Job expired?Please let Cal Solar Inc know you found this job on Rejobs. This will help us grow and get more people to work on renewable energy!
Apply now
Job expired?Please let Cal Solar Inc know you found this job on Rejobs. This will help us grow and get more people to work on renewable energy!
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About the role
April 3, 2026
Full time
Company
- San Diego, California, United States
Minimum 2 years of commercial solar design and engineering
UTC-07:00