Civil Engineering Intern

Civil Engineer Intern Build What’s Next With Castillo Engineering At Castillo Engineering, we design innovative utility‑scale solar and battery storage solutions while delivering the dependable service our clients rely on. We’re looking for a Civil Engineer Intern with strong communication skills, a commitment to excellence, and a passion for supporting clean‑energy projects in a process‑driven, collaborative environment. Why You’ll Love Working Here Join a mission‑driven team that values integrity, career advancement, and customer‑first thinking. You’ll make a meaningful impact, grow professionally, and be part of a culture built on teamwork, innovation, and reliability. Position Overview The Civil Engineer Intern role provides hands-on experience supporting real-world utility-scale solar and battery storage projects primarily through AutoCAD drafting. Interns update project designs and assist with calculations based on markups and mentor guidance, delivering assigned tasks within defined timelines. The objective of this program is to develop high-performing interns into future full-time engineers immediately placed in a structured advancement path that promotes continuous skill development, increased responsibility, and long-term career growth. What You’ll Do Assist with electrical design for solar PV and BESS projects. Support preparation of: Single-line diagrams (SLDs) Equipment layouts and conduit routing Cable schedules and grounding plans Load calculations and voltage drop studies Review equipment datasheets (inverters, transformers, switchgear). Support utility interconnection documentation and permit submittals. Learn applicable electrical codes and standards (NEC, NESC, IEEE, utility standards). Participate in design reviews, QA/QC processes, and coordination meetings. Support construction-phase engineering responses (RFIs, clarifications). What You Bring Currently pursuing a Bachelor’s degree in Civil Engineering Prior internship, co-op, or project experience in power, solar, or electrical design. Interest in power systems, renewable energy, and electrical infrastructure. Coursework exposure to power systems, circuits, or electrical machines. Basic experience with AutoCAD or similar drafting tools. Strong analytical skills, attention to detail, and professionalism. What You Will Gain Hands-on experience with real utility-scale solar electrical designs. Mentorship from licensed Professional Engineers. Exposure to interconnection requirements and grid integration. Professional consulting experience in a fast-growing engineering firm. Opportunity for full-time employment after graduation. Work Environment & Benefits This role has an onsite work arrangement in Maitland, FL. Competitive salary based on experience Supportive culture committed to mentorship, innovation, and continuous improvement