

Trusted global infrastructure consulting firm delivering engineering, design, construction management services.
The Principal Engineer – HV Substations will lead technical discussions with clients and multidisciplinary teams, define scopes, and ensure successful delivery of projects. Responsibilities include overseeing technical delivery, applying substation lifecycle knowledge, coordinating resources with project managers, developing proposals, managing costs, fostering client relationships, promoting safety‑in‑design, and mentoring junior staff to build long‑term team capability.
The role requires experience in the UK or Irish energy sector with consultancy, contractor or utility backgrounds, particularly with clients such as National Grid, SHET, SSE or SPT. Candidates must have proven design expertise for HV infrastructure at concept, FEED and detailed stages, knowledge of AIS and GIS equipment, familiarity with National Grid standards, and experience leading multi‑discipline proposals. Additional knowledge in secondary systems, control systems, transformers, HVDC, interconnectors and protection is advantageous, and CDAE/LCDAE approval is preferred.
AECOM values diversity, including neurodiversity, and encourages applications from all backgrounds and abilities. The company offers a hybrid work model, comprehensive compensation and well‑being programs, and a culture that supports professional growth, safety, and respect for each employee’s unique contributions.