Interconnection Engineer
- Location
- Irvine; Houston
- Work mode
- On-site
- Employment type
- Full-time
- Salary
- $1,10,000 – $1,45,000 / year
About the job
COMPANY OVERVIEW
TransGrid Energy is a renewable energy company focused on investing, developing, owning and operating utility-scale battery energy storage systems and PV projects. TransGrid has a robust pipeline of projects under construction and in late-stage development, and the Company is actively expanding 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 striving to shape the renewable energy landscape by providing sustainable and reliable power solutions tailored to meet the energy needs of today and tomorrow.
POSITION OVERVIEW
The Interconnection Engineer is a member of the Project Engineering organization responsible for the technical execution and coordination of grid interconnection activities for utility-scale Battery Energy Storage System (BESS), solar PV, hybrid renewable, and data center energy infrastructure projects. This role is critical to project feasibility and requires deep understanding of ISO/RTO processes, utility coordination, and grid integration for both generation and large load applications.
RESPONSIBILITIES
- Serve as the Project Engineering technical lead for grid interconnection requirements on assigned projects.
- Translate Interconnection Agreement (IA), Generator Interconnection Agreement (GIA), utility, ISO/RTO, and transmission-owner requirements into project engineering requirements.Develop interconnection strategies across projects
- Manage interconnection applications, studies, and agreements
- Interface with utilities and ISOs/RTOs
- Track milestones, timelines, and upgrade costs
- Identify and mitigate interconnection risks
- Maintain interconnection positions through COD
- Track technical interconnection issues through resolution.
- Maintain traceability between study assumptions, equipment selection, final design, commissioning settings, and as-built configuration.
REQUIRED QUALIFICATIONS
- Bachelor’s degree in engineering, or related field.
- 5+ years of interconnection or power systems experience
- Deep understanding of ISO/RTO processes and utility tariffs
- Experience with CAISO a plus
- Experience with:
- Large load interconnections (data centers)
- DER / BTM / hybrid systems applications
- Strong technical understanding of transmission and distribution systems
- Proven ability to manage utility and regulatory relationships
- Strong analytical and problem-solving skills, with the ability to work accurately under time pressure.
- Strong communication skills and the ability to present technical findings in a clear, concise business format.
- Ability to work effectively across commercial, operational, and financial teams.
ATTRIBUTES FOR SUCCESS
- Highly analytical, detail-oriented, and intellectually curious.
- Able to connect technical analysis to practical commercial outcomes.
- Strong sense of ownership and accountability.
- Comfortable operating in a fast-paced, evolving environment.
- Able to balance rigor, speed, and business relevance.
- Interested in developing into a deeper commercial market and asset-optimization role over time.
WORK AUTHORIZATION
Candidates must have authorization to work in the US prior to joining TransGrid Energy LLC. This role does not sponsor or offer assistance with work authorization in the United States.
DIVERSITY AND INCLUSION
TransGrid Energy believes that diversity and inclusion are vital to our success. By embracing different ideas and approaches, we enhance our ability to deliver the best results for our employees, environment, and business partners. We foster a culture where all colleagues can share their passions and ideas to collectively overcome industry challenges 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, veteran status, age, or any other federally protected class.
From TransGrid Energy's careers page (Ashby), checked 29 Oct 2026.
How to apply
- Select Apply on transgridenergy.com. It opens TransGrid Energy's own application form in a new tab, run on Ashby.
- Fill in the form and upload your résumé there. Jobiwork never sees your application.
- TransGrid Energy will reply to you directly. No real employer asks you for money to apply.
Posted 6 Oct 2026 · checked 29 Oct 2026 · Report this job