Senior OHL Engineer - 400kV Power Transmission (Hybrid)

AECO; Glasgow; Hybrid; GBP 90,000 - 120,000; Full time

Job summary

AECOM is seeking a Principal OHL Engineer to lead and deliver high‑voltage overhead line projects as part of the Transmission & Distribution team. You will engage with clients to outline project scope and technical requirements, driving design excellence from concept through to construction.

The role focuses on 400kV OHL engineering, including PLS-CADD modelling, line routing, structural analysis, sag‑tension calculations, and detailed design deliverables while ensuring alignment with industry

Qualifications

• Professionally qualified CEng Chartered Engineer with a recognized electrical engineering institution (e.g. the IET).
• A bachelor’s degree in engineering or equivalent technical discipline, electrical engineering or power engineering.
• Experience delivering projects for transmission system operators such as National Grid, SSE and SPT in line with each operator’s standards.
• Project experience in overhead line engineering (ideally up to 400kV).
• Excellent written and verbal communication skills.

Responsibilities

• Have the opportunity to be involved in large programmes of work like GGP projects.
• Support in writing proposals and outlining all project details, including the timeline, resources, budget, objectives, and goals.
• Provide technical support and input throughout the project implementation, statutory planning, and participation in public consultation events.
• Be responsible for design activities related to the overhead line. This encompasses PLS-CADD modelling, meticulous line routing, comprehensive structural analysis and loading trees, formulation of design criteria, precise sag‑tension calculations, insulator/conductor blowout, swing angle, damper system recommendations, strategic structural spotting, thorough clearance reports, and judicious conductor and insulator selection.
• Support in feasibility studies, performing conductor thermal ratings, and ensuring compliance with industry standards and regulations.
• Conduct studies to identify a technically preferred solution/layout to present to the client.
• Originate and check engineering deliverables such as complex designs, reports, proposals, presentations, and drawing packages.
• Perform internal quality checks of engineering drawings and calculations.

Skills

Excellent written and verbal comms

Client engagement

Project leadership

Education

Bachelor’s degree in engineering or equivalent technical discipline

Tools

PLS-CADD

Job description

AECOM is seeking a Principal OHL Engineer to lead and deliver high‑voltage overhead line projects as part of the Transmission & Distribution team. You will engage with clients to outline project scope and technical requirements, driving design excellence from concept through to construction.

The role focuses on 400kV OHL engineering, including PLS-CADD modelling, line routing, structural analysis, sag‑tension calculations, and detailed design deliverables while ensuring alignment with industry