Demo

Solar Design Engineer

Nenni and Associates
Fairfax, VA Full Time
POSTED ON 5/28/2026
AVAILABLE BEFORE 7/28/2026

Our client, a nationally recognized Energy Services company who is focused on delivering cutting-edge renewable energy and sustainability projects across the country, is seeking an innovative Solar Design Engineer to join their team! This role is ideal for an engineer who’s passionate about the technical design and integration of solar PV systems into high-performance buildings, campuses, and large-scale energy projects.


Key Responsibilities

  • Design, develop, and optimize solar photovoltaic (PV) systems for commercial, educational, and institutional clients.

  • Perform system modeling, energy yield analysis, and financial feasibility studies using industry-standard tools.

  • Generate conceptual layouts, one-line diagrams, and detailed electrical designs for PV systems.

  • Support energy performance modeling and integration with other energy conservation measures.

  • Conduct site assessments and assist with feasibility studies and due diligence reviews.

  • Work closely with project managers, construction teams, and utility providers to ensure design integrity and successful project execution.

  • Stay current on solar technology trends, incentive programs, interconnection requirements, and code compliance.


Qualifications

  • Bachelor’s degree in Electrical Engineering, Renewable Energy Engineering, or related field.

  • 4 years of experience in solar PV system design (commercial or institutional scale preferred).

  • Proficiency with PV modeling and design software (Helioscope, PVSyst, AutoCAD, Revit, or similar).

  • Strong understanding of NEC, interconnection standards, and utility requirements.

  • Excellent communication skills and the ability to work effectively in a collaborative, cross-disciplinary environment.

  • EIT or PE license (or progress toward licensure) preferred.

  • NABCEP certification is a plus.

Salary.com Estimation for Solar Design Engineer in Fairfax, VA
$120,070 to $144,013
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