EY (Ernst & Young) is a global leader in assurance, tax, consulting, and strategy and transactions services. As one of the "Big Four" professional services firms, it operates a vast network of member firms across more than 150 countries, employing nearly 400,000 professionals worldwide to help clients navigate complex regulatory and business challenges.

In Spain, EY maintains a significant footprint with a major headquarters in Madrid and a strong presence in Barcelona and other regional hubs. The firm is a major recruiter of international talent, offering diverse opportunities in digital transformation, financial services, and sustainability, often within multicultural teams where English is a primary working language.

EY was formed in 1989 through the merger of Ernst & Whinney and Arthur Young & Co. Its roots date back to the 19th century with founders Arthur Young and Alwin C. Ernst, who established their respective firms in the US and UK.

For international professionals

EY Spain frequently hires international profiles for its Global Delivery Services and specialized consulting arms.
The company provides a structured career development framework and extensive internal training programs.
Many roles in technology and consulting hubs allow for hybrid work arrangements.
The firm has a dedicated International Mobility program to facilitate internal transfers and relocations.
Offices are located in major Spanish business hubs, offering flexibility in geographic placement.

IT/OT Communications Engineer

This job was originally posted in Spanish and automatically translated to English. You'll most likely need Spanish to apply.

Job Description

At EY, we shape the future with confidence.
Here you will find more than a job: an opportunity to grow, learn, and leave a mark.

Join our 7,000 professionals in Spain and 15 offices, and a global network of 400,000 people working every day to transform businesses and societies.

#ShapeTheFutureWithConfidence | #EYCareers | #BuildingABetterWorkingWorld

The Opportunity

At EY, we are a leading global firm in audit, consulting, strategy and transactions, and legal and tax services.
We are looking for an IT/OT Communications Engineer for the Technology Strategy & Transformation team.

About the Project

You will participate in a strategic project for the comprehensive redesign of the IT/OT architecture across several airports, covering analysis of existing networks, new IT/OT segmentation, structured cabling deployment, network migrations, and the definition of the future architecture.

Your Mission

You will be the PMO reference in the communications field, ensuring that network activities are executed according to design, regulations, and planning, without directly performing the technical configurations.

Responsibilities

Coordinate and supervise the analysis of current networks across different airports:

Segments, devices, services, and critical dependencies.
Equipment inventories and IP addressing.

Plan and control the deployment of structured cabling:

Verification of compliance with ISO 11801 and EIA/TIA-568 (A and B).
Supervision of work performed by vendors.

Ensure correct physical and logical IT/OT separation:

Validation of segmentation designs.
Compliance with IEC 62443 and ENS.

Coordinate the implementation of the new IP addressing scheme:

Monitoring execution by technical teams.
Control of risks and dependencies.

Supervise connectivity tests and validation of critical services.
Review and validate technical documentation and plans in AUTOCAD:

Physical and logical architecture.
Cabling routes, racks, and IT/OT segmentation.

Act as a liaison between:

Technical communications teams
Systems and OT teams
Project management and the client

Report progress, risks, and project deviations.

Requirements

Degree in Computer Engineering or Telecommunications Engineering.
+5 years of experience in communications infrastructure projects.
Experience in management, coordination, or technical supervision (PMO, ATCV, technical coordination).
Solid knowledge of:

Communications networks and structured cabling.
IT/OT segmentation and critical environments.

Ability to interpret and validate technical designs and AUTOCAD plans.
Regular use of Microsoft Office and SharePoint.
English level B2.

What do we offer?

Well-being and personal benefits

Wellbeing HUB: includes policies and actions for physical (Wellhub) and mental health.
Life and Accident Insurance.
Bankinter Office with special conditions.
EY Flex Flexible Compensation Plan (transport, training, restaurant card, childcare...).

Flexibility and work-life balance

Hybrid work and flexibility depending on the project.

Professional Development

Continuous training through EY University, with an individualized training itinerary.
Career plan to boost annual growth within the firm.
Personalized support: you will have the support of a Buddy and a Counselor throughout your journey.

Culture and Work Environment

Work in a dynamic and collaborative environment.
Opportunity to collaborate with global and multidisciplinary teams.
Expansion of your professional network in a diverse and enriching context.

Social Commitment

Social impact actions through the EY Foundation.

#LI-HYBRID

View original advert (Spanish)

En EY, damos forma al futuro con confianza.
Aquí encontrarás más que un trabajo: una oportunidad para crecer, aprender y dejar huella.

Únete a nuestros 7.000 profesionales en España y 15 oficinas y a una red global de 400.000 personas que trabajan cada día para transformar negocios y sociedades.

#ShapeTheFutureWithConfidence | #EYCareers | #BuildingABetterWorkingWorld

La oportunidad

En EY, somos una firma global líder en auditoría, consultoría, estrategia y transacciones y servicios legales y fiscales.
Estamos buscando para el equipo de Technology Strategy & Transformation el perfil de Ingeniero/a de Comunicaciones IT/OT

Sobre el proyecto

Participarás en un proyecto estratégico de rediseño integral de la arquitectura IT/OT en varios aeropuertos, que abarca análisis de redes existentes, nueva segmentación IT/OT, despliegue de cableado estructurado, migraciones de red y definición de la arquitectura futura.

Tu misión

Serás el referente PMO en el ámbito de comunicaciones, asegurando que las actividades de red se ejecutan conforme a diseño, normativa y planificación, sin realizar directamente las configuraciones técnicas.

Responsabilidades

Coordinar y supervisar el análisis de las redes actuales en los distintos aeropuertos:

Segmentos, dispositivos, servicios y dependencias críticas.
Inventarios de equipamiento y direccionamiento IP.

Planificar y controlar el despliegue de cableado estructurado:

Verificación de cumplimiento de ISO 11801 y EIA/TIA-568 (A y B).
Supervisión de trabajos realizados por proveedores.

Asegurar la correcta separación física y lógica IT/OT:

Validación de diseños de segmentación.
Cumplimiento de IEC 62443 y ENS.

Coordinar la implantación del nuevo esquema de direccionamiento IP:

Seguimiento de ejecución por parte de equipos técnicos.
Control de riesgos y dependencias.

Supervisar pruebas de conectividad y validación de servicios críticos.
Revisar y validar documentación técnica y planos en AUTOCAD:

Arquitectura física y lógica.
Rutas de cableado, racks y segmentación IT/OT.

Actuar como punto de enlace entre:

Equipos técnicos de comunicaciones
Equipos de sistemas y OT
Dirección de proyecto y cliente

Reportar avances, riesgos y desviaciones del proyecto.

Requisitos

Grado en Ingeniería Informática o Ingeniería de Telecomunicaciones.
+5 años de experiencia en proyectos de infraestructuras de comunicaciones.
Experiencia en gestión, coordinación o supervisión técnica (PMO, ATCV, coordinación técnica).
Conocimiento sólido de:

Redes de comunicaciones y cableado estructurado.
Segmentación IT/OT y entornos críticos.

Capacidad para interpretar y validar diseños técnicos y planos AUTOCAD.
Uso habitual de Microsoft Office y SharePoint.
Inglés nivel B2.

¿Qué te ofrecemos?

Bienestar y beneficios personales

Wellbeing HUB: incluye políticas y acciones para la salud física (Wellhub) y mental.
Seguro de Vida y Accidentes.
Oficina Bankinter con condiciones especiales.
Plan de Compensación Flexible EY Flex (transporte, formación, tarjeta restaurante, guardería...).

Flexibilidad y conciliación

Trabajo híbrido y flexibilidad según proyecto.

Desarollo profesional

Formación continua a través de EY University, con un itinerario formativo individualizado.
Plan de carrera para potenciar el crecimiento anual dentro de la firma.
Acompañamiento personalizado: contarás con el apoyo de un Buddy y un Counselor durante toda tu trayectoria.

Cultura y entorno de trabajo