--- title: 'Senior Project Engineer at TransGrid Energy' canonical: 'https://feeny.ai/job/senior-project-engineer-transgrid-energy-irvine-spbec7adf3h4' type: 'job' last_seen: '2026-09-11' --- # Senior Project Engineer at TransGrid Energy - **Company:** TransGrid Energy - **Location:** Irvine, CA - **Compensation:** $125k–$155k - **Employment:** full-time - **Work type:** onsite - **Posted:** 2026-05-14 - **Last confirmed live:** 2026-09-11 - **Apply:** https://jobs.ashbyhq.com/transgrid-energy/df7953ff-a5a2-48a4-9c57-da3d8e4cb83f/application **Skills:** AutoCAD, Photovoltaic performance modeling tools, ESS operation analysis tools, National Electric Code, NFPA standards, IEEE standards, Gantt charts, MS Project, Microsoft Office Suite, Battery Energy Storage Systems (BESS) design, Solar plant design, Technical documentation, Contract review, Project management > The Senior Project Engineer leads the design, installation, and commissioning of utility-scale battery energy storage systems and solar projects. This role involves coordinating with EPC partners, transmission providers, and customers to manage technical documentation, contracts, and project workflows from conceptua... ## Job description ## COMPANY OVERVIEW TransGrid Energy is a renewable energy company focused on investing, developing, owning and operating utility-scale battery energy storage systems and solar projects. TransGrid has a robust pipeline of projects in the near term, and it will expand its energy asset portfolio across the United States. As an affiliate company of Hanwha Group, a FORTUNE Global 500 company driven by a firm commitment to advancing the clean energy future, TransGrid Energy is strived to shape the renewable energy landscape by providing a sustainable and reliable power solutions tailored to meet the energy needs of today and tomorrow. ## POSITION OVERVIEW TransGrid Energy is seeking an ambitious and passionate Senior Project Engineer to join our Team and will be responsible for leading and working with EPC Partners, Transmission Providers, IOUs and TGE’s off-take customers to ensure successful construction, commissioning, and operating utility-scale battery energy storage systems and solar projects. TGE has partnered with engineering contractors and this position is responsible for engaging and coordinating on all stages of project design, installation, and commissioning. ## RESPONSIBILITIES - Lead and review technical documentation such as site studies, reports, permits, etc. as related to design, cost or schedule impact. - Review technical components of project contracts (EPCA, Procurement Contracts, LTSA, PPA, IA, etc.). - Develop specifications, contracts, and a document control structure to support existing projects and the future pipeline. - Manage workflows of 3rd party Owner’s Engineers. - Create, review, and maintain drawing packages, energy production models, bills of materials, scopes of work and other technical project documentation. - Manage the technical needs in all stages of project development and design, including conceptual and advanced system design, observing regulatory codes as well as customer requirements, specify balance of systems, perform site visits, coordinate needs for the permitting and technical support during the construction phase. - Implement external resources such as structural, civil and electrical engineer consultants, geotechnical and topographic surveyors, other specialized professionals as needed and suppliers. - Review conceptual design for ESS and solar projects including selection of major components, equipment layouts, single-line diagrams, etc. - Prepare bid packages for contractors including scope of work, schedule, project description, and conceptual design. - Lead the technical tasks in preparation of EPC agreement, Exhibits, and the review of potential project acquisition opportunities. - Lead and supervise in the field with site visits as needed, testing, commissioning and start-up of constructed power plants. - In collaboration with other team members, contribute to the completion of proposals to design and deliver BESS and solar projects. - Work with O&M provider and be responsible for technical requirements of battery and solar performance. - Work with O&M and optimizer partners to track, monitor, and coordinate with Asset Management Team to enhance performance of battery and solar resources. - Act as the primary point of contact with equipment vendors. - Maintain continuous improvements in project designs, plans, processes and product development. - Lead and supervise as needed, testing, operating and maintenance for asset. - Manage the technical obligations according to PPA. - Coordinate internal and external resources for subject matter expertise and project risk reduction. - Perform other duties and special projects, as assigned. ## REQUIRED QUALIFICATIONS - A degree in Electrical Engineering. - Minimum of 7+ years of professional engineering experience in the utility scale battery energy storage system and solar industry. - Relevant work experience in the design and development of utility scale solar and battery storage power plants. - Experience with AutoCAD (or equivalent). - Experience with photovoltaic performance modeling tools. - Experience with analysis tools for ESS operation. - Knowledge of the National Electric Code, NFPA, and IEEE. - Excellent written and verbal communication skills. - Experience with Gantt charts (MS Project or equivalent) - Strong in Microsoft Office Suite - Previous experience managing projects from initial design to installation and execution is preferred. ## WORK AUTHORIZATION The ideal candidate for this role will have authorization to work in the US prior to joining TransGrid Energy LLC. This role will not sponsor or offer assistance with the sponsorship for work authorization in the United States. ## DIVERSITY AND INCLUSION TransGrid Energy believes that diversity and inclusion are vital to our success. We believe that by embracing different ideas and approaches, we enhance our ability to deliver the best results for our employees, our environment, and ultimately our business partners and customers. We foster a culture where all colleagues are able to share their passions and ideas in order that we may collectively embrace and overcome the challenges in our industry, and work toward a brighter future. TransGrid Energy is an Equal Opportunity / Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status, age or any other federally protected class. ## About TransGrid Energy ## Company Overview - **One-liner**: TransGrid Energy develops, owns, and operates utility-scale Battery Energy Storage Systems (BESS) and photovoltaic (PV) projects to advance the transition to a more sustainable and resilient energy grid. - **Entity Type**: Private (Subsidiary of Hanwha FutureProof, part of Hanwha Group) - **Headquarters**: Irvine, California, United States - **Founded**: Not publicly available - **Founders**: Not publicly available ## Core Business - **Primary industry/industries**: Renewable Energy Power Generation, Utility-Scale Energy Storage, Solar Energy - **Target customers**: Utilities, grid operators, and large-scale energy consumers (B2B, Enterprise) - **Mission or purpose statement**: To shape sustainable energy solutions for a more resilient grid by investing in and operating assets across the USA that drive the shift toward a more sustainable future. ## Products & Services - **Utility-Scale Battery Energy Storage Systems (BESS)**: Development, ownership, and operation of large-scale battery storage projects (e.g., Atlas VIII at 279MW/1,116MWh) that provide grid stability, reliability, and clean energy integration. - **Photovoltaic (PV) Solar Projects**: Development, ownership, and operation of utility-scale solar generation assets (e.g., Silver Peak at 100MW PV). - **Hybrid BESS/PV Projects**: Combined solar and battery storage facilities that deliver reliable, dispatchable clean energy. ## Market Standing - **Valuation/Market Cap**: Not disclosed (private subsidiary) - **Key Metric**: Total Funding of **$975 million** (as of March 2025), including a $270M round and $705M in debt financing. Portfolio boasts over **8.6 GWh in BESS capacity** and **538 MW in PV capacity** across projects in advanced development or under construction. - **Notable Investors/Partners**: Hanwha Group (parent company, a Fortune Global 500 leader), Hanwha FutureProof, Microsoft (partnering on edge data centers and BESS deployment), Prime Group Holdings. - **Growth Signals**: Headcount grew **+125% year-over-year** (from ~15 to 34 employees). Closed a **$1.2 billion financing** for the Atlas VIII project in January 2026. Multiple projects under construction with target commercial operation dates in 2026 and 2027. ## Competitive Advantages - **Hanwha Group Backing**: As an affiliate of a Fortune Global 500 diversified conglomerate, TransGrid Energy has unparalleled access to capital, industry expertise, and a global network for rapid scaling. - **Long-Term Ownership Model**: Unlike many developers that flip projects, TransGrid Energy commits to long-term ownership, optimizing each asset for longevity and enduring value. - **Focus on Late-Stage Development**: Acquires projects nearing Notice to Proceed (NTP), mitigating development risks and accelerating time to revenue. - **Proven Execution**: A team with over a century of cumulative experience in energy sector innovation, now focused on the U.S. renewable energy transition. ## Strategic Focus - **Rapid Portfolio Expansion**: Scaling a multi-GW pipeline of BESS and PV projects across the U.S., with a near-term focus on bringing projects under construction (like Atlas VII and Atlas VIII) to commercial operation. - **Grid Resilience & Reliability**: Prioritizing projects that strengthen grid stability and support the integration of intermittent renewable sources. - **Strategic Partnerships**: Collaborating with major tech companies (Microsoft) and financial institutions to deploy innovative energy infrastructure solutions, such as co-located edge data centers and battery storage. ## Why Work Here - **High-Growth Environment**: The company is in a rapid growth phase (+125% YoY headcount), offering significant opportunities for career advancement and impact in a fast-moving industry. - **Entrepreneurial Culture**: Described as having an "entrepreneurial culture" within a stable, global parent company, combining startup agility with large-company resources. - **Mission-Driven Work**: Employees contribute directly to the clean energy transition, working on projects that have a tangible impact on grid sustainability and resilience. - **Comprehensive Benefits**: Includes medical, dental, and vision insurance; basic life and disability coverage; generous paid holidays, vacation, and sick leave; and a **401(k) with company match** (full vesting of both contributions and match). - **DEI Commitment**: Diversity, equity, and inclusion are stated core values, with initiatives to foster a respectful, collaborative, and innovative workplace. - **Work Policy**: Roles are listed as a mix of On-Site, Hybrid, and Remote, offering flexibility depending on the position. ## Sources 1. [transgridenergy.com](https://transgridenergy.com/) 2. [transgridenergy.com/careers](https://transgridenergy.com/careers/) 3. [transgridenergy.com/about-us](https://transgridenergy.com/about-us/) 4. [transgridenergy.com/our-projects](https://transgridenergy.com/our-projects/) 5. 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