Solar PV Design Engineer

Forge ahead with WSB. We seek a Solar PV Design Engineer who will support the design and development of construction‑ready documentation for commercial/industrial (C&I) and utility‑scale solar photovoltaic (PV) systems of 5-50MW or larger. This role focuses on producing accurate electrical designs, system layouts, and engineering analyses used for bidding, permitting, and construction. The engineer will work collaboratively with project teams and external partners to deliver safe, efficient, and code‑compliant PV system designs, from interconnection, to Issued For Construction (IFC), and final As‑Built designs.

Office located in Littleton, MA.

• Design and engineer C&I and utility‑scale solar PV systems (5-50MW+), including electrical power system components and layouts.
• Develop system layouts, equipment specifications, and detailed one‑line and three‑line diagrams.
• Perform DC, LVAC, and MVAC cable sizing, routing, trench design, grounding design, and SCADA/communications layouts.
• Produce construction‑ready drawing packages using AutoCAD.
• Coordinate with clients, utilities, permitting agencies, contractors, and partner engineering firms.
• Support Construction Administration by responding to RFIs, reviewing submittals, and completing occasional site visits.
• Manage workload effectively across multiple active projects.
• Streamline tasks and design workflows to improve team efficiency.
• Ensure compliance with applicable codes, including the National Electrical Code (NEC), and industry best practices.

• Bachelor’s degree in Electrical Engineering or a related technical discipline.
• 5+ years of experience designing commercial and/or utility‑scale solar PV systems.
• Experience collaborating with construction, technical, and non‑technical teams.
• 2-3+ years of hands‑on experience with AutoCAD, including layer control, dimensioning, scaling, sheet sets, blocks, xrefs, line weights, and file management.
• Professional Electrical Engineer (PE) license required.
• NABCEP PV Design Specialist (PVDS) Certification a plus.
• Proficiency with AutoCAD (or similar CAD platforms).
• Proficiency with power system design and modeling software (e.g., Etap, CYMCAP, WinGIS, PSCAD, PSS/E, CDEGS).
• Work is primarily performed in an office environment with standard office equipment.
• Occasional travel or field visits may be required to support project needs or stakeholder collaboration.

WSB is a design and consulting firm specializing in engineering, community planning, environmental, and construction services. Our dedicated staff improves the way people engage with communities, transportation, infrastructure, energy and our environment. We offer services in a wide range of complementary areas that seamlessly integrate planning, design and implementation. We offer services in more than 50 complementary areas across the nation.

Full‑time WSB employees qualify for a competitive compensation and benefits package, including medical insurance, dental insurance, vision insurance, life insurance, company‑paid short‑ and long‑term disability, 401(k) with match, paid time off, paid holidays, tuition reimbursement, and opportunities for professional growth and development. Part‑time employees can participate in the 401(k) plan and applicable earned paid leave.

As an Equal Employment Opportunity (EEO)/Affirmative Action Employer, all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, veteran or disability status.

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As an Equal Opportunity Employer, WSB is committed to providing reasonable accommodations for qualified individuals with disabilities and disabled veterans. If you need reasonable accommodation to assist with your job search or application for employment, please e‑mail us at  In your e‑mail, please include a description of the specific accommodation you are requesting as well as the job title and requisition number of the position for which you are applying.

Notice to Third Party Agencies: WSB does not accept unsolicited resumes from third‑party recruiting firms. Absent a signed Service Agreement by WSB, we reserve the right to pursue and hire any unsolicited candidates without financial obligation to recruiters or agencies.