Principal Protection

Company DescriptionWork with Us. Change the World.
At AECOM, we're delivering a better world. Whether improving your commute, keeping the lights on, providing access to clean water, or transforming skylines, our work helps people and communities thrive. We are the world's trusted infrastructure consulting firm, partnering with clients to solve the world’s most complex challenges and build legacies for future generations.
There has never been a better time to be at AECOM. With accelerating infrastructure investment worldwide, our services are in great demand. We invite you to bring your bold ideas and big dreams and become part of a global team of over 50,000 planners, designers, engineers, scientists, digital innovators, program and construction managers and other professionals delivering projects that create a positive and tangible impact around the world.
We're one global team driven by our common purpose to deliver a better world. Join us.

Job Description
Are you ready to join a team of talented engineers, shape the future of energy infrastructure?This is a fantastic opportunity to sit at the heart of a varied project portfolio working on one of a kind projects including National Grid's 'Great Grid Upgrade'. You'll spearhead design activity and hold responsibility for developing protection and control system designs, preparing engineering deliverables, coordinating with multidisciplinary teams, and ensuring compliance with client specifications and international standards.
Become a trusted advisor to our clients, and contribute to developing our technical standards, innovation strategy, and digital delivery approach within the P&C engineering space Start here. Grow here.
Here’s what you’ll do:Prepare Protection & Control engineering designs for HV/EHV substations (11kV–400kV or above)Provide expert-level input to develop and oversee Protection Single Line Diagrams (SLDs), AC/DC Schematics, Wiring Diagrams, Terminal Plans, Cable Schedules, and Interconnection DiagramsDesign Protection Relay Panels, Control Panels, Annunciation Panels, Metering Panels, and RTU/SCADA interfacesPrepare Protection Relay Settings philosophy and coordinate with system studies where applicablePerform protection coordination and review relay configurationsPrepare engineering calculations, cable sizing, voltage drop calculations, and battery sizing (where applicable)Coordinate with Civil, Primary, Telecom, and SCADA engineering teamsReview vendor drawings and ensure compliance with project specificationsUndertake client and stakeholder engagement, providing technical assurance, strategic direction, and value-engineered solutions on high-profile infrastructure programmes.
Support FAT, SAT, commissioning, and technical issue resolutionDrive project execution, managing technical risks, interfaces, and quality reviews while supporting procurement, construction, and commissioning phases.
Ensure designs comply with IEC, IEEE, National Grid, and client-specific standardsChampion mentorship, knowledge-sharing, and technical development within the wider team, supporting capability growth in cable systems engineering.
Support business development activities, including proposals, bid reviews, and client presentations.
Driving excellence.
At AECOM, we are dedicated to fostering a culture of innovation and collaboration within our Transmission and Distribution team. We believe that technology should empower you so that you can focus on creative problem-solving, successfully manage complexity and deliver exceptional results. By embracing advanced automation tools, we seek imaginative thinkers who are excited about leveraging these tools to drive efficiency and enhance our projects. Join us in shaping the future of infrastructure, where your unique insights and creativity will play a vital role in our successEnjoy the Perks.
At AECOM, you'll enjoy a range of core and personalised benefits designed to support your future and well-being, customised to fit your lifestyle. Take advantage of career development opportunities, our flexible hybrid working model to ensure a work-life balance that suits your lifestyle, technical practice networks, AECOM University, and volunteering days.
QualificationsReady to push the limits of what’s possible?Here’s what we’re looking for:Bachelor's Degree in Electrical Engineering or equivalent.
Excellent knowledge of protection schemes for Transmission and Distribution substations.
Strong experience with protection relays from manufacturers such as Siemens, GE, ABB/Hitachi Energy, Schneider Electric, or SEL.
Proficiency in AutoCAD and Microsoft Office.
Experience in UK, Middle East, Europe, or international utility projects. Ability to independently deliver complete Protection & Control engineering packagesKnowledge of IEC 61850 and substation automation systems.
Excellent communication and coordination skills.
Familiarity with SCADA, RTU, SAS, and communication protocols.
Strong analytical, problem-solving, and documentation skills.
We