Description 2026 Summer Intern, Energy Engineer Are you a student seeking experience with energy analytics, forecasting, and research that shapes future energy efficiency programs? Do you have strong communication skills, enjoy working with data, and want to learn how to turn technical insights into actionable strategies? Do you thrive in collaborative teams where you help connect research, modeling, and reporting to deliver quality outcomes? If so, then you have found the perfect internship! Join us as a 2026 Summer Intern to support our growing portfolio of work with utility companies. You will help build and validate datasets, test tools that estimate savings, and contribute to research that informs portfolio planning and measure development. Working closely with consultants and engineers, you will support standardized QA processes, document assumptions, and assist in creating clear summaries of projected impacts. Your work will help utilities plan cost effective programs, improve grid reliability, and deliver equitable savings for customers including underserved communities. This is an entry-level, 10-week, full time internship that begins in early June 2026. The work may be fully remote from any U.S. location or hybrid from an ICF office depending on individual's location. At this time, we are unable to provide relocation nor housing assistance. Key Responsibilities - Developing and improving standardized quality assurance processes for potential study models - Testing and refining AI agents developed to improve potential study measure processes - Supporting emerging technology research, improving cost and savings estimates, and identifying new opportunities for potential studies and pilot programs - Interpretation, collation, and input of technical reference document data into cloud-based platforms and/or active ICF projects - Expanding research and knowledge base for key focus areas (e.g., data centers, measure costs) across the team Basic Qualifications - By start date, a minimum of 30 completed college-level credit hours is required, preferably in engineering, building science, or related field - Must be able to pass any required background check(s), which may include drug screening - Candidate must be a US citizen, reside in the U.S., be authorized to work in the U.S., and all work must be performed in the U.S. per contract requirements Preferred Skills/Qualifications - Demonstrates trustworthiness and upholds the highest ethical standards - Ability to work independently and as part of a team in a fast-paced environment - A completed bachelor’s degree plus enrollment verification in a Master’s degree program within mechanical engineering or similar discipline - Strong quantitative and analytical skills, including knowledge of basic programming - A passion for the energy industry, with specific interest in energy efficiency and distributed energy resources. - Advanced proficiency in utilizing Microsoft Excel for organizing and processing data, creating tools, and conducting analysis - Experience with energy modeling tools (e.g., OpenStudio, EnergyPlus) - Ensures that information flows effectively to others - Identifies, collects, and analyzes the information needed to solve a problem effectively - Strong writing and communication skills, and ability to organize written work in a manner that is clear, easy to follow, and tailored for the intended audience Working at ICF ICF is a global advisory and technology services provider, but we’re not your typical consultants. We combine unmatched expertise with cutting-edge technology to help clients solve their most complex challenges, navigate change, and shape the future. We can only solve the world's toughest challenges by building a workplace that allows everyone to thrive. We are an equal opportunity employer. Together, our employees are empowered to share their expertise and collaborate with others to achieve personal and professional goals. For more information, please read our EEO policy. We will consider for employment qualified applicants with arrest and conviction records. Reasonable Accommodations are available, including, but not limited to, for disabled veterans, individuals with disabilities, and individuals with sincerely held religious beliefs, in all phases of the application and employment process. To request an accommodation, please email Candidateaccommodation@icf.com and we will be happy to assist. All information you provide will be kept confidential and will be used only to the extent required to provide needed reasonable accommodations.  Read more about workplace discrimination rights or our benefit offerings which are included in the Transparency in (Benefits) Coverage Act. Candidate AI Usage Policy At ICF, we are committed to ensuring a fair interview process for all candidates based on their own skills and knowledge. As part of this commitment, the use of artificial intelligence (AI) tools to generate or assist with responses during interviews (whether in-person or virtual) is not permitted. This policy is in place to maintain the integrity and authenticity of the interview process.  However, we understand that some candidates may require accommodation that involves the use of AI. If such an accommodation is needed, candidates are instructed to contact us in advance at candidateaccommodation@icf.com. We are dedicated to providing the necessary support to ensure that all candidates have an equal opportunity to succeed.   Pay Range - There are multiple factors that are considered in determining final pay for a position, including, but not limited to, relevant work experience, skills, certifications and competencies that align to the specified role, geographic location, education and certifications as well as contract provisions regarding labor categories that are specific to the position. The pay range for this position based on full-time employment is: $34,564.00 - $58,758.00 Nationwide Remote Office (US99)

• Installs, operates, maintains, repairs and modifies equipment. • Performs a variety of maintenance and technical support on products such as equipment, integrated systems and subsystems, and software at customer and/or field locations. • Analyzes and evaluates products and related performance. • Troubleshoots and diagnoses malfunctions to eliminate problems in minimum time. • Installs, upgrades and removes products ensuring coordinative engineering field changes. • Maintains effective customer communications and relations. • May provide onsite training of customer support personnel.

• Define and implement SCAN, MBIST, and JTAG debug structures, applying sophisticated DFT techniques to drive post-Si testing plans • Drive the creation of ATPG and MBIST test vectors • Build DFT timing constraints and partner with the Physical Design and STA sign-off team to ensure timing closure in DFT mode • Work closely with the post-silicon team to bring up test patterns on silicon, ensuring flawless bringup • Collaborate with the CAD methodology team to introduce innovative and intelligent AI driven optimizations, improving efficiency in DFT implementation

• Oversee and review all aspects of solar PV and battery energy storage system design for utility-scale projects, ensuring technical accuracy, regulatory compliance, and adherence to SLR and industry standards. • Preparing scopes of work, comprehensive proposals and costing engineering engagements. • Mentor team members, review team deliverables for technical quality and consistency; set and uphold drawing standards and best practices across the practice. • Provide technical support to internal and external stakeholders across all phases of design, interconnection, and construction. • Oversee project execution; assign tasks, manage workflows, track milestones, and prepare status reports for senior management. • Interface with clients, vendors, utilities, and local authorities to align project requirements and ensure deliverables are met on time and within budget. • Conduct detailed energy production simulations and modeling for solar PV and storage systems using Excel and PVSyst. • Perform and review power system studies including underground ampacity, load flow, protective coordination, short-circuit, grounding, and arc flash analysis using ETAP. • Prepare and maintain comprehensive project documentation, including feasibility studies, scopes of work, commissioning reports, technical specifications, and RFP responses. • Assist Project Leads in prioritizing engineering tasks, managing team resources, and fulfilling administrative duties as needed. • Ensure project designs comply with relevant codes and standards (e.g., NEC, CEC, IEEE, and building codes). • Conduct on-site field visits to support design verification, construction, and commissioning activities as required. • Recommend and implement continuous improvements in design practices, project execution processes, and product performance. • Support business development efforts by providing technical input on proposals, estimating engineering scope, and advising on system configuration. • Collaborate with external engineering consultants and partners to ensure quality assurance and jurisdictional compliance.