Transmission & Interconnection Manager/Sr. Manager

About the role

The Transmission & Interconnection Manager will support the development of greenfield transmission projects by performing power flow and related planning analyses to evaluate system needs, constraints, and solution options. This role will play a key part in supporting the transmission planning and interconnection process, providing technical analyses that inform project feasibility, interconnection strategy, and early-stage development decisions. This role is open to candidates based in Houston, TX or remote and reports to the Senior Director of Transmission Strategy.

Grid United is a mission‑driven company aiming to solve the largest barrier to a cleaner grid by developing new long‑haul transmission lines in the United States. Established earlier this year by proven leaders in the power and renewables industry, Grid United is developing utility‑scale electric multi‑state transmission projects that will provide long‑term economic benefits to communities across the country, provide Americans with improved grid resiliency for our homes and businesses, and cost savings for electricity consumers. More information about the company can be found at www.gridunited.com.

What the right candidate will love about this opportunity: an organization dedicated to solving the ever‑changing Rubik's cube of high voltage transmission development in a fast‑paced, dynamic and innovative culture; working with a core group of dedicated and thoughtful colleagues; working day‑to‑day with highly experienced and proven industry leaders; being empowered to play a leading role in delivering a large‑scale project that will materially change the energy future of America; working in an organization committed to diversity, equity, and inclusion and having a positive social impact; excellent financial backing from leading energy investors with long‑term commitment, passion for energy, and an understanding and appetite to tackle the challenges of transmission development.

Responsibilities

• Lead and perform internal transmission planning studies, including power flow, contingency (N-1 and N-1-1), short circuit, and voltage/reactive analyses, to screen potential points of interconnection and inform project feasibility and design.
• Develop and maintain study cases and transmission system models across the portfolio, ensuring load, generation, and planned upgrade assumptions are current and consistent with ISO/RTO and utility base cases.
• Prepare, file, and manage interconnection and transmission service requests, including application packages, technical data, site control documentation, deposits, and required study agreements.
• Own the portfolio interconnection tracker, including milestones, readiness requirements, payment forecasts, financial security postings, decision points, and queue timeline slippage, with regular updates to the development team and leadership.
• Serve as a primary technical point of contact with transmission owners, utilities, and ISO/RTO interconnection staff; lead scoping meetings and study review calls, and