As a Principal Electrical Engineer, you will lead the electrical design and delivery of medium-voltage balance of plant systems for utility-scale wind, solar, battery energy storage (BESS) and hybrid projects. The role is centred on strong, conventional power-system engineering: taking the electrical design from the inverter, power conversion system or turbine terminals through the collector system, substation and grid connection interface. Renewable energy experience will be valuable, but it is not essential; depth in medium-voltage design and the ability to produce practical, coordinated designs are the key requirements.You will work across the project lifecycle, from feasibility and concept design through detailed design review, procurement, construction and commissioning. Depending on the engagement, this may include developing design bases and single-line diagrams; performing cable, transformer and equipment studies; preparing cable schedules and technical specifications; building and interrogating DIgSILENT PowerFactory models; developing protection philosophies; reviewing EPC and OEM designs; and supporting site-based testing and commissioning. You will apply sound engineering judgement to balance safety, performance, constructability, operability, cost and programme.The common thread is technical ownership. You will be comfortable moving between calculations, models, drawings, specifications and multidisciplinary interfaces, while explaining complex electrical issues clearly to clients and project teams. This role will suit an experienced electrical engineer who enjoys solving design problems, setting a robust technical direction and helping others deliver high-quality engineering.How you’ll make a difference:<ul><li>Lead the electrical design approach for medium-voltage balance of plant systems on utility-scale generation and storage projects, including collector networks, substations, auxiliary systems and interfaces to the grid connection.</li><li>Develop and review design bases, single-line diagrams, equipment ratings, cable sizing and derating, voltage-drop and short-circuit withstand calculations, cable schedules, routing, earthing and lightning protection requirements.</li><li>Build and review DIgSILENT PowerFactory models and undertake load-flow, short-circuit, voltage, reactive-power, harmonic and contingency studies appropriate to the project stage.</li><li>Select and review transformers and major electrical plant, including ratings, impedance, vector group, tap range, earthing arrangement, losses and equipment duty.</li><li>Develop and review protection and control philosophies, grading and coordination studies, relay requirements, interfaces, test requirements and commissioning plans.</li><li>Coordinate multidisciplinary inputs, mentor engineers, support client decisions, and provide technical review during procurement, construction and commissioning.</li></ul>

AECOM is the world&rsquo;s trusted infrastructure consulting firm, delivering professional services throughout the project lifecycle &ndash; from advisory, planning, design and engineering to program and construction management. On projects spanning transportation, buildings, water, new energy and the environment, our public- and private-sector clients trust us to solve their most complex challenges. Our teams are driven by a common purpose to deliver a better world through our unrivaled technical and digital expertise, a culture of equity, diversity and inclusion, and a commitment to environmental, social and governance priorities. AECOM is a Fortune 500 firm and its Professional Services business had revenue of $14.4 billion in fiscal year 2023. See how we are delivering sustainable legacies for generations to come at aecom.com and @AECOM.

Principal Electrical Engineer, Generation & Storage | Energy

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AECOM

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