Senior Solar PV Design Engineer

Forge ahead with WSB. We seek a Senior Solar PV Design Engineer who will be responsible for designing and developing construction‑ready documentation for utility‑scale solar photovoltaic (PV) systems of 5-50MW or larger. This role focuses on delivering high‑quality electrical system designs, layout drawings, and engineering analyses that support bidding, permitting, and construction. The senior engineer collaborates with internal teams and external stakeholders to ensure code‑compliant, efficient, and reliable PV system designs, and serves as the electrical engineer of record (EEOR).

Office is located in Littleton, Ma.

• Design and engineer utility‑scale solar PV and energy storage (BESS) systems at 5-50MW or higher.
• Develop comprehensive electrical system designs including:
  • System layout of modules and equipment
  • Equipment selection and specification development
  • One‑line and three‑line diagrams
  • DC, LVAC and MVAC cable sizing and routing
  • SCADA and communication system design
  • Relay & communication programming: SEL 651, 751, 735, & RTAC
  • Grounding system design
  • Wiring diagrams, trench design, and basic pole design
  • Engineering studies, including, but not limited to arc flash, coordination, grounding, thermal ampacity, lightning risk assessment.
• Prepare complete construction drawings using AutoCAD.
• Coordinate with clients, utilities, permitting authorities, contractors, and partnering engineering firms.
• Support Construction Administration activities, including responding to RFIs, reviewing submittals, and conducting site visits.
• Manage multiple projects effectively and ensure timely delivery of engineering outputs.
• Ensure compliance with safety standards, codes, and industry best practices, including NEC requirements.

• Bachelor’s degree in Electrical Engineering or a related technical discipline.
• 5-7+ years of experience designing commercial and/or utility‑scale solar PV systems.
• Experience collaborating with construction, technical, and non‑technical teams.
• Minimum 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.
• Proficiency with AutoCAD (or similar CAD platforms).
• Proficiency with power system design and modeling software (e.g., Etap, CYMCAP, WinGIS, PSCAD, PSS/E, CDEGS).
• Strong understanding of electrical engineering fundamentals and design tools.
• 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.

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. WSB is committed to providing reasonable accommodations for qualified individuals with disabilities and disabled veterans.