Senior High Voltage Development Engineer

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AES Clean Energy is seeking a Senior High Voltage Development Engineer to join our High Voltage Development Engineering team supporting the West region, including Hawaii. This role focuses on the development of High Voltage Facilities – substations and generation-tie lines – for PV, BESS, and Wind projects. You will be part of a core group of resourceful, regionally dedicated engineers driving innovation across large-scale renewable energy programs.

The High Voltage Development team leads due diligence and design throughout all stages of project development – early concept through late-stage refinement – delivering execution-ready facilities that are safe, de-risked, technically compliant, and commercially viable.

The Senior High Voltage Development Engineer will support the development of 35 kV to 500 kV substation and transmission facilities across greenfield, brownfield, and M&A project pipelines. They will collaborate closely with diverse internal stakeholders (technical teams, commercial, estimating, land, and others) and manage external engineering consultants, utility partners, and ISOs.

The ideal candidate is:

• Proactive and communicative, able to coordinate effectively across disciplines.
• Organized and technically strong, with the ability to operate in evolving or ambiguous technical landscapes.
• Skilled at prioritizing competing tasks and providing sound technical judgment across substation, gen‑tie, power system, and interconnection engineering.
• Comfortable building and maintaining relationships with internal teams, external consultants, utilities, and other partners.

This position is an excellent opportunity for an engineer who not only excels in technical high-voltage engineering but also values building relationships and partners across disciplines to deliver high‑quality renewable energy facilities.

• Lead early‑stage and conceptual pre‑construction engineering for high‑voltage collector substations and generation tie‑lines (35 kV–500 kV) across Solar, Wind, and BESS projects, including de‑risking activities and feasibility assessments.
• Collaborate closely with cross‑functional teams – real estate, permitting, interconnection, commercial, PV/BESS/Wind engineering, pre‑construction, construction, commissioning, and O&M – to deliver safe, compliant, and technically sound project designs.
• Interpret and synthesize complex technical inputs from interconnection studies, ISO/utility requirements, commercial constraints, and project‑specific needs to develop well‑informed conceptual designs in‑house.
• Develop scopes of work and manage external consultants producing 30% design packages, ensuring alignment with AES engineering standards, ISO/utility requirements, PPA…