Experteer Overview As Principal Engineer for HV Primary Substations, you lead technically challenging substation design within a general Tu****amp;D team.

You'll shape high?voltage transmission solutions for 400 kV and beyond, coordinating with clients and civil teams to ensure robust, compliant designs.

You drive design decisions across AIS/GIS, protection, earthing, and HVDC/HVAC integration, delivering high?impact projects at scale.

This role offers a opportunity to influence how modern grids evolve while working with a global, collaborative team.

Compensaciones / Beneficios • Lead and manage design of primary substation systems up to 400 kV, including AIS/GIS configurations, transformer installations, switchgear layouts, and circuit breakers • Prepare SLDs, GA layouts, equipment sizing, and layout plans for substations and transmission systems • Perform short?circuit, fault current, and protection design analyses to ensure system stability • Design earthing, lightning protection, and grounding layouts for substations • Integrate HVDC/HVAC systems and converter stations within substation designs • Develop transformer layouts, oil containment, busduct routing,



and secondary interfaces • Optimize substation layouts for new/upgraded sites considering space and constructability • Coordinate with civil teams for foundations, structures, and cable routes; ensure integration with primary systems • Produce BOMs, equipment specifications, and procurement support • Prepare electrical interconnection/termination diagrams and cable schedules • Design auxiliary systems (cooling, power supplies, batteries) and underground HV cable routing • Coordinate with external vendors/contractors to ensure conformance with design specs Responsabilidades • Master of Engineering in an engineering discipline • Chartered Engineer (CEng) or Professional Engineer (PE) license or equivalent • 10+ years of work experience;

experience leading large design engineering teams • Proven experience in HV Plant Design for large EHV Grid Substations (mandatory) • Experience with Grid Utilities projects and familiarity with IEC/IEEE/ANSI/Australian Standards preferred Requisitos principales • medical benefits • dental benefits • vision benefits • life and disability insurance • flexible work options • retirement savings plan

📌 Senior/Principal Engineer - Hv Primary Substations (Madrid)
🏢 Aecom
📍 Madrid