Senior Engineer - Secondary Substations (T&D)

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AECOM Enterprise Capabilities is seeking a talented for the Senior Engineer - Transmission & Distribution (Secondary) 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.

Responsibilities

Prepare and deliver secondary design documentation for HV Substations, including:; Protection & control schematics; Wiring and interconnection diagrams; Cable schedules and termination drawings; Protection single line diagrams and logic diagrams; Panel layouts and equipment arrangements; Develop protection and control philosophies and contribute to Basis of Design documentation.; Perform engineering design of AC/DC auxiliary systems, control circuits, interlocking, and automation interfaces.; Support relay configuration and protection scheme design (distance, differential, overcurrent, busbar, transformer protection, etc.).; Ensure designs are practical, buildable, and aligned with project scope, schedule, and budget.; Work closely with the Project Engineer and/or Project Manager to support engineering planning, deliverables tracking, and technical coordination.; Support projects across all phases: tender, design, construction, testing, and commissioning.; Provide technical input for engineering estimates, change management, and technical risk mitigation.; Coordinate with primary, civil, and SCADA/telecom disciplines to ensure integrated and clash-free design.; Prepare and maintain high-quality engineering documentation, including:; Design reports and calculations; Protection philosophies and relay setting inputs; Technical specifications and material requisitions; Perform self-checks and peer reviews of engineering deliverables to ensure accuracy and compliance.; Support factory acceptance testing (FAT), site testing, and commissioning documentation when required.; Provide engineering support during construction, energization, and commissioning phases.; Assist in resolving technical issues related to protection, control, and secondary systems.; Provide limited technical guidance to junior engineers when needed, without formal mentorship responsibility.; Ensure all designs comply with:; International standards (IEC, IEEE); Utility and client technical specifications; Company engineering procedures and quality requirements; Maintain awareness of industry developments and best practices in substation secondary engineering.

Requirements

Electrical Engineer + 4 YORE or demonstrated equivalency of experience and/or education; Proven experience in Secondary Systems Engineering mainly for HV/EHV Substations.; Proven experience delivering secondary design packages for EPC / Design-Build substation projects.; Exposure to International standards (IEC, IEEE, ANSI, Australian Standards and Middle East region codes and standards) is preferred.; Strong knowledge of: Protection & control systems, substation secondary circuits and interlocking, AC/DC auxiliary systems, Relay protection schemes and logic.; Experience in producing complete secondary deliverables independently.; Ability to coordinate across multiple engineering disciplines.; English language is mandatory (Oral and written).; Overall 6+ years of work experience is preferred; Master of Engineering degree (or equivalent education) in an appropriate engineering discipline from an accredited college or university.; Strong focus on delivery, quality, and deadlines.; Good coordination and communication skills within multidisciplinary project teams.; Ability to work independently in a project delivery environment.; Experience with relay families: ABB, Siemens, GE, SEL (configuration / mapping / settings input).; Site commissioning or field engineering experience.; Knowledge of SCADA systems and communication protocols (IEC 61850, Modbus, DNP3).; Familiarity with control equipment: protection relays, PLCs, RTUs, concentrators, and bay controllers.; Experience with engineering tools such as AutoCAD, EPLAN, ETAP.; Understanding of IEC 61850 architecture and substation automation systems