Solar Energy Systems Engineers
SOC Code: 17-2199.11
Architecture & EngineeringSolar Energy Systems Engineers apply engineering principles to design, analyze, and optimize solar energy systems that generate clean electricity or heat for residential, commercial, and industrial clients. With a median salary of $117,750 per year, these engineers are among the highest-compensated professionals in the renewable energy sector, reflecting the technical depth required to evaluate site conditions, model energy production, design electrical systems, and ensure code compliance across diverse project types. Their work spans site feasibility studies, system design, equipment selection, financial modeling, and construction oversight — making them central to the entire lifecycle of a solar project. As the world accelerates its transition away from fossil fuels, solar engineers are in increasing demand from utilities, project developers, engineering firms, and technology manufacturers. Their designs directly determine how much clean energy a building or facility will generate over its twenty-to-thirty-year system life.
Salary Overview
Median
$117,750
25th Percentile
$85,750
75th Percentile
$152,670
90th Percentile
$183,510
Salary Distribution
Job Outlook (2024–2034)
Growth Rate
+2.1%
New Openings
9,300
Outlook
Slower than average
Key Skills
Knowledge Areas
What They Do
- Conduct engineering site audits to collect structural, electrical, and related site information for use in the design of residential or commercial solar power systems.
- Create plans for solar energy system development, monitoring, and evaluation activities.
- Design or coordinate design of photovoltaic (PV) or solar thermal systems, including system components, for residential and commercial buildings.
- Provide technical direction or support to installation teams during installation, start-up, testing, system commissioning, or performance monitoring.
- Create electrical single-line diagrams, panel schedules, or connection diagrams for solar electric systems, using computer-aided design (CAD) software.
- Perform computer simulation of solar photovoltaic (PV) generation system performance or energy production to optimize efficiency.
- Review specifications and recommend engineering or manufacturing changes to achieve solar design objectives.
- Develop design specifications and functional requirements for residential, commercial, or industrial solar energy systems or components.
Tools & Technology
★ = Hot Technology (in-demand)
Education Requirements
Typical entry-level education: Bachelor's Degree
Related Careers
Top Career Pivot Targets
View all 23 →Careers with the highest skill compatibility from Solar Energy Systems Engineers.
A Day in the Life
A solar systems engineer might begin the day reviewing satellite imagery and site assessment data for a new commercial rooftop project, running shading analysis in PVsyst or Helioscope to model annual energy production. Mornings often involve reviewing equipment specifications for inverters and modules to select the optimal combination for a project's financial and technical parameters. Design reviews with structural engineers, electrical contractors, and project managers occupy midday, ensuring system layouts comply with building codes, NEC electrical standards, and utility interconnection requirements. Afternoons may involve writing detailed engineering reports, stamping permit drawings, or analyzing performance data from operational systems to troubleshoot underperformance issues. Client communications, interdepartmental design reviews, and continuing education on evolving equipment capabilities fill the remaining hours.
Work Environment
Solar energy systems engineers typically work in professional office settings, engineering firms, or at solar company headquarters, with comfortable desk environments equipped with specialized solar modeling and CAD software. Site visits to assess conditions, review installation progress, or troubleshoot operational issues take engineers outdoors to rooftops, open fields, and industrial facilities on a regular basis. The role is largely sedentary with screen-intensive workflows, though site travel to assess rooftop or ground conditions may involve physical climbing and outdoor exposure. Standard full-time hours are the norm, though project deadlines in competitive development timelines may require extended hours. Engineers at utilities or large IPPs (independent power producers) often enjoy structured corporate benefits while those at boutique solar engineering firms may have smaller teams with more varied project exposure.
Career Path & Advancement
Entry-level solar engineers typically hold bachelor's degrees in electrical, mechanical, or civil engineering and begin in roles like Junior Solar Designer or Energy Analyst, learning the industry's modeling tools and design standards. After two to four years, engineers advance to Solar Energy Engineer or Systems Designer roles with full ownership of project designs from feasibility through permit submittal. Senior Solar Engineers with five to eight years of experience lead complex projects and mentor junior designers, often specializing in utility-scale, storage integration, or agricultural solar. Principal Engineer and Engineering Manager tracks offer pathways to overseeing entire engineering departments or geographic regions. Some experienced engineers pursue Professional Engineer (PE) licensure, which is particularly valued for utility-scale and commercial projects requiring stamped engineering drawings.
Specializations
Utility-scale solar engineers work on ground-mounted projects ranging from tens of megawatts to gigawatts, requiring expertise in high-voltage AC collection systems, power purchase agreements, and grid interconnection studies with transmission operators. Commercial and industrial rooftop engineers specialize in complex structural analyses, reroofing integrations, and demand charge reduction through strategic system sizing and battery pairing. Agrivoltaic engineers focus on dual-use solar farm designs that allow agricultural activities to continue beneath and between solar arrays, balancing energy output with farming productivity. Solar-plus-storage engineers design integrated photovoltaic-battery systems for demand management, resilience, and peak shaving, requiring proficiency in battery sizing software and time-of-use rate optimization. International solar engineers work on projects in developing markets where grid infrastructure is limited and off-grid and microgrid designs are common.
Pros & Cons
Advantages
- ✓High median salary of $117,750 with strong upward trajectory for senior engineers and PE license holders
- ✓Meaningful work with direct environmental impact through clean energy deployment at scale
- ✓Rapidly growing industry with exceptional job security and diverse employer options
- ✓Intellectually stimulating work blending electrical, structural, and financial analysis challenges
- ✓Exposure to cutting-edge energy technologies including battery storage, smart inverters, and grid management
- ✓Strong demand from both private sector developers and public utilities creating broad employment options
- ✓Professional Engineer (PE) licensure available to further differentiate and command higher fees
Challenges
- ✗Requires mastery of multiple complex software tools across electrical, structural, and financial modeling
- ✗Project timelines frequently disrupted by utility interconnection delays and permitting backlogs
- ✗Rapid technology evolution demands continuous professional development and tool retraining
- ✗High-stakes responsibility for system performance over multi-decade project lifetimes
- ✗Competitive job market for top positions attracts candidates with advanced degrees and PE licenses
- ✗Site visits and travel add variability to work schedules, particularly during construction phases
- ✗Policy dependency means incentive changes or tariff shifts can rapidly affect project pipelines and workloads
Industry Insight
The solar engineering field is benefiting enormously from the Inflation Reduction Act, which has unlocked hundreds of billions in investment in domestic solar manufacturing, project development, and grid modernization. Bifacial solar panels, tracker systems, and high-efficiency module technologies are increasing project complexity and requiring engineers to continuously update their design knowledge and modeling approaches. Grid interconnection queues have become a major bottleneck for utility-scale projects, pushing solar engineers to develop expertise in grid studies and utility coordination that was previously delegated to specialists. The rise of agrivoltaic projects, floating solar (floatovoltaics), and building-integrated photovoltaics (BIPV) is diversifying the types of engineering challenges professionals encounter. Job prospects are excellent, with the solar workforce expected to more than double within the decade according to NREL projections.
How to Break Into This Career
A bachelor's degree in electrical engineering is the most directly applicable educational path, though mechanical and civil engineers with supplemental solar training are commonly hired. Graduate degrees are not required but can accelerate advancement into technical leadership and research-oriented roles at companies and national laboratories. Solar-specific education through the Solar Energy International (SEI), NABCEP's PV Technical Sales certificate, or university-level renewable energy programs supplements traditional engineering credentials. Proficiency in industry-standard modeling tools like PVsyst, Helioscope, AutoCAD, and ETAP for electrical modeling is essential and often evaluated in hiring processes. Internships at solar development companies, EPCs (engineering, procurement, and construction firms), or utility renewable energy departments are among the most effective pathways into the field.
Career Pivot Tips
Electrical engineers from adjacent fields such as power systems, telecommunications, or building systems engineering have the most transferable technical foundation and can transition into solar engineering with targeted retraining in PV system design and NEC Article 690. Mechanical engineers familiar with thermal systems, fluid dynamics, and HVAC have a natural pathway into solar thermal engineering and concentrated solar power (CSP) design roles. Civil engineers with structural analysis and site development backgrounds are well-positioned for utility-scale ground-mounted solar project roles that involve grading, piling, and drainage design. Energy auditors and building energy modelers can leverage their understanding of load profiles and building systems to transition into commercial solar design. Pursuing NABCEP's PV Design Specialist or PV Technical Sales credentials alongside solar modeling software training is the most efficient bridge for career changers.
Explore Career Pivots
See how Solar Energy Systems Engineers compares to other careers and find your best pivot opportunities.
Find Pivots from Solar Energy Systems Engineers