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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Energy Storage Engineer I - **Company:** Clean Energy & Infrastructure Services - **Location:** Phoenix, AZ, United States - **Experience:** Starter - **Salary:** $76,000 - $98,000 - **Contract:** Permanent contract - **Skills:** AutoCAD, Data Analysis, Microsoft Office, Software Tools, Value Engineering, Bluebeam - **Published:** October 21, 2026 - **Apply:** https://diversityjobs.com/career/18691975/Energy-Storage-Engineer-I-Arizona-Phoenix ## About the Role Location: This position can be located at any of our office locations: Dallas, TX; Indianapolis, IN; or Phoenix, AZ., Education and Work Experience Requirements: * Bachelor's degree in Civil, Structural or Geotechnical Engineering, Electrical Engineering, Construction Management, or related field * Advanced degree preferred * One to three years of related work experience preferred * EIT certification preferred or on path to obtain * Experience in renewable energy or energy storage, or experience in electrical engineering in construction environments, is strongly preferred * Experience in engineering software preferred; we utiliize AutoCAD, Bluebeam, CYMCAP Knowledge, Skills and Abilities Required: * Take reasonable care of your own and others' health and safety and of those who may be affected by the day-to-day delivery of this role by taking personal responsibility for working toward the Company's Zero Injury principles * Proficient with AutoCAD and Microsoft Office Suite * Effective verbal and written communication skills * Strong technical writing skills for technical narratives * Read, analyze and interpret drawings, professional journals, technical procedures, contracts, or governmental regulations * Write reports, business correspondence, and document project activities * Basic concept of budget, schedule, and quality requirements * Interpret a variety of instructions furnished in written, oral, diagram, or schedule form * Ability to work independently and effectively with project managers, clients, consulting engineers, design, and technical personnel as well as manufacturing partners * Must be open minded, creative, and possess the ability to modify and expand theories to find creative solutions within the confines of the code * Confident and possess the ability to substantiate code interpretations and mathematically prove design concepts * Ability to multi-task and manage multiple projects * Ability to effectively communicate design concepts and lead meetings between clients, project engineers, code officials and third-party consultants ## Description Responsible for supporting the engineering, design, and execution of utility-scale battery energy storage system (BESS) projects. This role performs routine engineering tasks, applying foundational engineering principles to prescribed techniques and procedures. The Engineer I assists with project layouts, technical deliverables, equipment evaluations, and data analysis to ensure safe, reliable, and cost-effective BESS designs., Promote and comply with all Company safety policies and procedures * Support the implementation of lessons learned and industry best practices with a mindset of continuous improvement * Create and optimize preliminary battery energy storage system (BESS) layouts under guidance from senior engineers * Prepare and review engineering deliverables including drawings, reports, specifications, and limited-scope studies * Conduct routine research and develop recommendations for BESS equipment and materials * Develop familiarity with departmental design guides, engineering standards, codes, and MasTec Renewables procedures * Support compliance with Company engineering standards, quality standards, and processes * Support value engineering efforts by assisting with design reviews and identifying improvement opportunities * Coordinate with internal project team members and external engineering consultants as directed by project leadership * Contribute to preparation of less complex engineering deliverables such as drawings, reports, specifications, and studies of limited scope * Collect, organize, and manage engineering data to support design decisions * Prepare basic engineering calculations following standard methods and principles used in similar engineering analysis * Communicate effectively with project managers, engineers, and technical personnel to support project execution * Focus on the needs of internal clients (project team leadership) while attempting to gain basic understanding of external client's main interests and drivers * Share current knowledge of latest technology and processes * Comply with the Company's engineering standards, quality standards and processes * Provide necessary technical support to the Estimating team as needed * Contribute to process improvements, equipment enhancements, and cost-reduction initiatives * Review field documents and ensure alignment with contractual requirements and standard installation practices * Travel to project sites as required to support engineering issue resolution, gather lessons learned, and strengthen relationships with field teams * Other duties as assigned, MasTec Clean Energy & Infrastructure and our subsidiaries do not work with any third-party recruiters or agencies without a valid signed agreement and partnership with the Corporate Talent Acquisition Team.