Idom is a leading global multidisciplinary group providing professional services in engineering, architecture, and consultancy. Founded in 1957, the firm has expanded its reach to over 125 countries, delivering complex projects in sectors such as infrastructure, energy, industry, and urban planning. With a workforce of several thousand professionals, it is recognized for its technical excellence and independent approach to large-scale international challenges.

Headquartered in Bilbao, Idom maintains a dominant presence throughout Spain with offices in nearly every major metropolitan area. The company operates under a unique employee-ownership model, which fosters a highly collaborative and stable work environment. For international professionals, Idom offers a diverse and multilingual atmosphere where technical expertise is prioritized, and many projects are conducted in English to serve a global client base.

Founded in 1957 in Bilbao by Rafael Escolá, Idom began as an independent engineering association. It has since evolved into a global powerhouse in architecture and consultancy while maintaining its independence through an employee-owned structure.

For international professionals

Operates as an employee-owned company, promoting a culture of shared responsibility and professional stability.
Provides opportunities to work on high-profile international projects across five continents, often requiring English as a primary working language.
Maintains a vast network of offices across Spain, including Bilbao, Madrid, Barcelona, and Seville, offering geographic flexibility.
Highly active in specialized sectors like nuclear energy, high-speed rail, and advanced architecture, making it a hub for niche technical talent.

Senior Traction Power Engineer

Idom

This job was originally posted in Spanish and automatically translated to English.

Requirements

Feel free to apply if you have...

Degree/Bachelor's in Electrical Engineering (minimum BEng, MSc preferred).
Chartered Engineer (CEng or equivalent) required.
Member of a recognized professional body (e.g., IET, IEEE).
Demonstrated continuous professional development in railway electrification.
Minimum 12+ years of experience in traction power systems.
High level of English (C1 level or similar).
Proven experience in high-speed rail electrification in Europe (>250 km/h).
Direct experience in 2x25 kV AC systems (design, integration, and commissioning).
Full lifecycle experience: Conceptual and preliminary design; Detailed design; Construction support; Testing and commissioning; Participation in large-scale HSR projects (>100 km) with multidisciplinary interfaces.
Technical competencies: Traction power system design (TPSS, AT stations, HV/MV networks); Load flow, protection, grounding, and bonding studies; Grid integration and coordination with utility companies; Integration with OCS, SCADA, signaling (preferably ETCS L2); Solid knowledge of ENE TSI and EN standards (50119, 50122, 50388, etc.); Systems assurance, RAMS and V&V processes.
Professional skills: Leadership and team coordination ability; Stakeholder management; International experience; Ability to act as a technical authority.
Mobility / Deployment: Availability for on-site work; Presence during key project phases; Ability to work in international teams.

Benefits

If you join IDOM, you will find:

Flexible scheduling.
Remote work 1 day a week or two afternoons.
Reduced summer working hours (July and August).
Flexible compensation (restaurant vouchers, health insurance, transport card, childcare...).
Life and accident insurance.
Work-life balance.
Commitment to long-term professional career growth.
Access to ownership for all employees.
Young, multicultural, and multidisciplinary environment.
An attitude favorable to delegation, beyond the usual.
Mutual commitment.

Job Description

Are you looking to grow in a company where you can become a partner? Our core values are the Client, the Person, and Professional Development. If you identify with these, keep reading!

ABOUT THE OPPORTUNITY

Within the Railway Systems Area, we are looking to incorporate a traction power specialist to lead the design, integration, and delivery of the 2x25 kV AC traction power systems for the CAHSR.

The position requires a hands-on technical leader responsible for the entire lifecycle—from design development to commissioning—acting as IDOM's technical authority on traction power and OCS, and coordinating multidisciplinary interfaces with civil, signaling, and systems teams.

The role will involve full or partial relocation to Sacramento, with a strong on-site presence during the design finalization, installation, and commissioning phases.

The Track and Systems Construction Contract (TSCC) of the California High-Speed Rail (CAHSR) will provide the first authentic high-speed rail in the United States, designed under European standards and based on a 2x25 kV AC electrification system. The program includes the complete design, integration, installation, testing, and commissioning of traction power, OCS, signaling, and railway systems, with the main engineering teams located in Sacramento, California.

Your key responsibilities:

Lead the design and integration of 2x25 kV AC traction power systems for high-speed rail.
Oversee TPSS, autotransformer stations, grid connections, and system studies (load flow, protection, grounding, and bonding).
Manage interfaces with OCS, signaling, SCADA, civil systems, and rolling stock.
Ensure compliance with EN/TSI standards and adaptation to US/FRA requirements.
Lead technical reviews, assurance, and validation of design deliverables.
Coordinate with the client, contractors, OEMs, and utility companies.
Support construction, installation, testing, and commissioning activities on-site.
Manage technical risks and guarantee system performance and safety.
Lead and mentor multidisciplinary engineering teams.

If you join IDOM, you will find:

Flexible scheduling.
Remote work 1 day a week or two afternoons.
Reduced summer working hours (July and August).
Flexible compensation (restaurant vouchers, health insurance, transport card, childcare...).
Life and accident insurance.
Work-life balance.
Commitment to long-term professional career growth.
Access to ownership for all employees.
Young, multicultural, and multidisciplinary environment.
An attitude favorable to delegation, beyond the usual.
Mutual commitment.

ABOUT YOU

Feel free to apply if you have...

Degree/Bachelor's in Electrical Engineering (minimum BEng, MSc preferred).
Chartered Engineer (CEng or equivalent) required.
Member of a recognized professional body (e.g., IET, IEEE).
Demonstrated continuous professional development in railway electrification.
Minimum 12+ years of experience in traction power systems.
High level of English (C1 level or similar).
Proven experience in high-speed rail electrification in Europe (>250 km/h).
Direct experience in 2x25 kV AC systems (design, integration, and commissioning).
Full lifecycle experience: Conceptual and preliminary design; Detailed design; Construction support; Testing and commissioning; Participation in large-scale HSR projects (>100 km) with multidisciplinary interfaces.
Technical competencies: Traction power system design (TPSS, AT stations, HV/MV networks); Load flow, protection, grounding, and bonding studies; Grid integration and coordination with utility companies; Integration with OCS, SCADA, signaling (preferably ETCS L2); Solid knowledge of ENE TSI and EN standards (50119, 50122, 50388, etc.); Systems assurance, RAMS and V&V processes.
Professional skills: Leadership and team coordination ability; Stakeholder management; International experience; Ability to act as a technical authority.
Mobility / Deployment: Availability for on-site work; Presence during key project phases; Ability to work in international teams.

And above all... a strong desire to learn in an international company like IDOM.

ABOUT US

IDOM is an Association of Professionals whose activity focuses on the execution of Engineering, Architecture, and Consulting projects that contribute to a more sustainable world. The people of IDOM are linked by our work and by the ownership of the Firm, and we cooperate to achieve our greatest professional and human development and the best service to the Client.

Therefore, IDOM's basic asset is the value and experience of its people. Highly qualified professionals with great human quality, deeply united, working within a framework of respect for their professional identity and freedom, with a strong ambition for progress, development, service, and innovation.

Since our foundation in 1957, growth has been continuous, currently constituting a multidisciplinary and integrated international organization, with a presence in 130 countries where more than 5,000 people carry out our professional activity.

Are you ready to take the next step?

If you join our TEAM, you will be able to develop your career at the highest level, within an environment of deep trust and professional respect. If you share our philosophy and want to be part of our company, send us your CV.

We want to meet you!

#LI-AI1

View original advert (Spanish)

¿Tienes ganas de desarrollarte en una compañía en la que puedes llegar a ser socio/a? Nuestros valores esenciales son el Cliente, la Persona y el Desarrollo Profesional. Si te sientes identificado/a, ¡Sigue leyendo!

SOBRE LA OPORTUNIDAD

Desde el Área de Railway Systems queremos incorporar un/a especialista en potencia de tracción para liderar el diseño, integración y entrega de los sistemas de potencia de tracción 2x25 kV CA para el CAHSR.

El puesto requiere un líder técnico práctico responsable de todo el ciclo de vida-desde el desarrollo del diseño hasta la puesta en servicio-actuando como autoridad técnica de IDOM en potencia de tracción y OCS, y coordinando interfaces multidisciplinares con equipos civiles, de señalización y de sistemas.

El puesto implicará la reubicación total o parcial en Sacramento, con una fuerte presencia en el sitio durante la finalización del diseño, instalación y fases de puesta en servicio.

El Contrato de Construcción de Vía y Sistemas (TSCC) del California High-Speed Rail (CAHSR) proporcionará el primer ferrocarril de alta velocidad auténtico en Estados Unidos, diseñado bajo estándares europeos y basado en un sistema de electrificación 2x25 kV CA. El programa incluye el diseño completo, integración, instalación, pruebas y puesta en servicio de la potencia de tracción, OCS, señalización y sistemas ferroviarios, con los principales equipos de ingeniería ubicados en Sacramento, California.

Tus responsabilidades clave:

Liderar el diseño e integración de sistemas de potencia de tracción 2x25 kV CA para ferrocarril de alta velocidad.
Supervisar TPSS, estaciones de autotransformadores, conexiones a red y estudios de sistema (flujo de carga, protección, puesta a tierra y enlace).
Gestionar interfaces con OCS, señalización, SCADA, sistemas civiles y material rodante.
Asegurar el cumplimiento de las normas EN/TSI y la adaptación a los requisitos US/FRA.
Liderar revisiones técnicas, aseguramiento y validación de entregables de diseño.
Coordinar con cliente, contratistas, OEMs y compañías eléctricas.
Apoyar actividades de construcción, instalación, pruebas y puesta en servicio en el sitio.
Gestionar riesgos técnicos y garantizar el rendimiento y la seguridad del sistema.
Liderar y mentorizar equipos de ingeniería multidisciplinares.

Si te unes a IDOM encontrarás:

Flexibilidad horaria.
Teletrabajo 1 día a la semana o dos tardes.
Jornada reducida de verano (julio y agosto).
Retribución flexible (tarjeta restaurante, seguro médico, tarjeta transporte, guardería....).
Seguro de vida y accidentes.
Conciliación vida familiar y profesional.
Apuesta por carrera profesional a largo plazo.
Acceso a la propiedad para todas las personas.
Ambiente joven, multicultural y multidisciplinar.
Actitud favorable a la delegación, más allá de lo habitual.
Compromiso mutuo.

SOBRE TÍ

No dudes en aplicar si tienes....

Grado/licenciatura en Ingeniería Eléctrica (mínimo BEng, MSc preferido).
Ingeniero/a colegiado/a (CEng o equivalente) requerido.
Miembro de organismo profesional reconocido (p.ej. IET, IEEE).
Desarrollo profesional continuo demostrado en electrificación ferroviaria.
Mínimo 12+ años de experiencia en sistemas de potencia de tracción.
Alto nivel de Inglés (nivel C1 o similar).
Experiencia demostrada en electrificación de ferrocarril de alta velocidad en Europa (>250 km/h).
Experiencia directa en sistemas 2x25 kV CA (diseño, integración y puesta en servicio).
Experiencia en todo el ciclo de vida: Diseño conceptual y preliminar; Diseño detallado; Soporte en construcción; Pruebas y puesta en servicio; Participación en proyectos HSR a gran escala (>100 km) con interfaces multidisciplinares.
Competencias técnicas: Diseño de sistemas de potencia de tracción (TPSS, estaciones AT, redes HV/MV); Estudios de flujo de carga, protección, puesta a tierra y enlace; Integración en red eléctrica y coordinación con compañías eléctricas; Integración con OCS, SCADA, señalización (preferiblemente ETCS L2); Sólidos conocimientos de normas ENE TSI y EN (50119, 50122, 50388, etc.); Aseguramiento de sistemas, procesos RAMS y V&V.
Habilidades profesionales: Capacidad de liderazgo y coordinación de equipos; Gestión de stakeholders; Experiencia internacional; Capacidad de actuar como autoridad técnica.
Movilidad / Despliegue: Disponibilidad para trabajo en obra; Presencia en fases clave del proyecto; Capacidad de trabajo en equipos internacionales.

Y sobre todo... muchas ganas de aprender en una empresa internacional como IDOM.

SOBRE NOSOTROS

IDOM es una Asociación de Profesionales cuya actividad se enfoca en la realización de proyectos de Ingeniería, Arquitectura y Consultoría, que contribuyen a un mundo más sostenible. Las personas de IDOM estamos relacionadas por nuestro trabajo y por la propiedad de la Firma y cooperamos para lograr nuestro mayor desarrollo profesional y humano y el mejor servicio al Cliente.

Es por ello que el patrimonio básico de IDOM es la valía y la experiencia de sus personas. Profesionales de alta cualificación y calidad humana, profundamente unidos, que trabajan en un marco de respeto a su identidad y libertad profesionales, con fuerte ambición de progreso, desarrollo, servicio e innovación.

Desde nuestra fundación en 1957, el crecimiento ha sido continuo, constituyendo en la actualidad una organización multidisciplinar e integrada, de ámbito internacional, con presencia en 130 países en los que ejercemos nuestra actividad profesional más de 5.000 personas.

¿Estas preparado/a para dar el siguiente paso?

Si te unes a nuestro EQUIPO podrás desarrollar tu carrera al más alto nivel, dentro de un entorno de profunda confianza y respeto profesional. Si compartes nuestra filosofía y quieres ser parte de nuestra compañía envíanos tu CV.

¡Queremos conocerte!

#LI-AI1