Position SummaryThe T&amp;D Secondary Systems Engineer is responsible for the design and delivery of secondary engineering systems for High Voltage Substations, including protection, control, automation, and communication systems. The role is primarily focused on producing high-quality engineering deliverables across all project phases (FEED, Detailed Design, Construction, and Commissioning support), ensuring technical compliance, constructability, and reliable operation of the substation.Key Responsibilities1. Engineering Design &amp; Deliverables<ul><li>Prepare and deliver secondary design documentation for HV Substations, including:<ul><li>Protection &amp; control schematics</li><li>Wiring and interconnection diagrams</li><li>Cable schedules and termination drawings</li><li>Protection single line diagrams and logic diagrams</li><li>Panel layouts and equipment arrangements</li></ul></li><li>Develop protection and control philosophies and contribute to Basis of Design documentation.</li><li>Perform engineering design of AC/DC auxiliary systems, control circuits, interlocking, and automation interfaces.</li><li>Support relay configuration and protection scheme design (distance, differential, overcurrent, busbar, transformer protection, etc.).</li><li>Ensure designs are practical, buildable, and aligned with project scope, schedule, and budget.</li></ul>2. Project Delivery<ul><li>Work closely with the Project Engineer and Project Manager to support engineering planning, deliverables tracking, and technical coordination.</li><li>Support projects across all phases: tender, design, construction, testing, and commissioning.</li><li>Provide technical input for engineering estimates, change management, and technical risk mitigation.</li><li>Coordinate with primary, civil, and SCADA/telecom disciplines to ensure integrated and clash-free design.</li></ul>3. Documentation &amp; Technical Quality<ul><li>Prepare and maintain high-quality engineering documentation, including:<ul><li>Design reports and calculations</li><li>Protection philosophies and relay setting inputs</li><li>Technical specifications and material requisitions</li></ul></li><li>Perform self-checks and peer reviews of engineering deliverables to ensure accuracy and compliance.</li><li>Support factory acceptance testing (FAT), site testing, and commissioning documentation when required.</li></ul>4. Technical Support<ul><li>Provide engineering support during construction, energization, and commissioning phases.</li><li>Assist in resolving technical issues related to protection, control, and secondary systems.</li><li>Provide limited technical guidance to junior engineers when needed, without formal mentorship responsibility.</li></ul>5. Compliance &amp; Standards<ul><li>Ensure all designs comply with:<ul><li>International standards (IEC, IEEE)</li><li>Utility and client technical specifications</li><li>Company engineering procedures and quality requirements</li></ul></li><li>Maintain awareness of industry developments and best practices in substation secondary engineering.</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.

Senior Electrical Secondary EngineerNew

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AECOM

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