Structural Engineer I

Summary

Castillo Engineering is an engineering firm delivering utility-scale solar and battery energy storage projects across the United States. The Structural Engineer I will perform structural analysis and design, prepare engineering documentation, support permitting and construction activities, and collaborate with multidisciplinary project teams.

Responsibilities

• Perform structural engineering analysis and design for utility-scale solar and battery energy storage system (BESS) projects
• Assist in the preparation of structural calculations, engineering reports, and construction drawings
• Support the design of racking systems, equipment foundations, module supports, and balance-of-system structural components
• Review geotechnical reports, site conditions, and loading requirements under the guidance of senior engineers
• Collaborate with electrical, civil, and project management teams to support integrated project execution
• Participate in quality assurance and quality control reviews throughout the design process
• Assist with engineering change evaluations and construction support activities
• Develop technical knowledge of applicable building codes, industry standards, and renewable energy design practices
• Support permitting efforts and engineering documentation for project approvals

Skills

• Bachelor's degree in Structural Engineering, Civil Engineering, or Architectural Engineering
• 1-3 years of structural engineering experience
• Engineer-in-Training (EIT) certification preferred
• Ability to obtain within one year
• Familiarity with structural analysis software such as RISA, STAAD, SAP2000, or similar tools
• AutoCAD experience
• Working knowledge of IBC, ASCE 7, and structural engineering principles
• Strong verbal and written communication skills
• Strong proficiency in Microsoft Excel
• Ability to work effectively in a collaborative, remote environment
• Strong attention to detail and commitment to engineering excellence
• Experience supporting utility-scale solar, battery energy storage, power delivery, or renewable energy projects
• Exposure to steel, concrete, and foundation design
• Familiarity with solar racking systems and foundation solutions
• Experience preparing engineering documentation for permitting or construction

Qualifications

Must Haves

• Bachelor's degree in Structural Engineering, Civil Engineering, or Architectural Engineering
• 1-3 years of structural engineering experience
• Engineer-in-Training (EIT) certification preferred
• ability to obtain within one year
• Familiarity with structural analysis software such as RISA, STAAD, SAP2000, or similar tools
• AutoCAD experience
• Working knowledge of IBC, ASCE 7, and structural engineering principles
• Strong verbal and written communication skills
• Strong proficiency in Microsoft Excel
• Ability to work effectively in a collaborative, remote environment
• Strong attention to detail and commitment to engineering excellence

Nice to Haves

• Experience supporting utility-scale solar, battery energy storage, power delivery, or renewable energy projects
• Exposure to steel, concrete, and foundation design
• Familiarity with solar racking systems and foundation solutions
• Experience preparing engineering documentation for permitting or construction

Benefits

• Remote work arrangement.
• Health, dental, and vision insurance.
• Paid time off and company holidays.
• Professional development and licensure support.
• Opportunities for career growth and advancement.
• Supportive culture committed to mentorship, innovation, and continuous improvement.