Mercadona is Spain's leading grocery retailer, operating a network of over 1,600 supermarkets across Spain and Portugal. As a dominant force in the Spanish retail industry, the company manages an extensive supply chain, a sophisticated logistics network, and a rapidly growing e-commerce platform, employing nearly 100,000 people.

Headquartered in Valencia, Mercadona is one of the country's largest private employers and is well-known for its policy of offering permanent contracts to all employees from their first day. For international professionals, the company offers diverse opportunities in logistics, engineering, and specialized technology roles within their IT division, though a high level of Spanish proficiency is generally required across all departments.

Founded in 1977 as a small butcher shop chain in Valencia, Mercadona was transformed by Juan Roig into a retail powerhouse. It revolutionized the Spanish market with its 'Always Low Prices' strategy and its focus on high-quality private label brands like Hacendado and Deliplus.

For international professionals

Offers permanent contracts (contrato indefinido) to all employees from the first day of employment.
Provides extensive internal training and a structured career development model for long-term growth.
While most roles require Spanish, their IT and digital transformation hubs in Valencia and Madrid hire for specialized technical skill sets.
Consistently ranked as one of the most stable and reputable employers in Spain according to Merco and other corporate barometers.

Microsoft Systems Administrator - Valencia/València

Mercadona

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

Job Description

As a Microsoft Systems Administrator, you will optimize our processes and automate maintenance and operations, standardizing new products and technologies to guarantee the routine work of our internal clients.

What we offer you

✨ Unique and high-impact projects.

👥 An IT team of more than 1,400 professionals.

🛠️ High-level technological stack.

📈 Career plan with annual salary reviews.

⏰ Flexible scheduling.

🎓 Continuous training and professional growth.

🔒 Stability and team culture.

🏥 In-house medical service.

🏢 Innovative and collaborative offices.

What we ask of you

Education

- Intermediate vocational training in Computer Science or Telecommunications.

- Higher vocational training in Computer Science or Telecommunications.

- Degree in Computer Engineering, Telecommunications, or Electronics.

Knowledge

Essential in...

- Active Directory and EntraID (AD, ADFS, Azure AD).

- Windows Server.

Valuable in...

- Advanced Active Directory administration (Security Baselines, Disaster & Recovery, Sites & Services...)

- Administration of infrastructures and modern authentication protocols (ADFS, EntraID, Microsoft Entra External ID (B2C), SAML, OAuth2...)

- Infrastructure automation (Advanced PowerShell, APIfication, Ansible, AWX, Terraform, ...)

- Windows Server fleet management (System Center Configuration Manager, System Center Operations Manager...)

Experience

At least 3 years of demonstrable experience with Microsoft technologies, primarily with Active Directory, ADFS, EntraID, and Windows Server.

Availability for full-time hours from Monday to Friday

Availability to perform on-call shifts.

What your day-to-day will be like

✨ Every year Mercadona renews the Datacenters of some of its sites to avoid obsolescence, have the most modern technology, and be able to face business challenges. We want you to work on the design and implementation side-by-side with the technological specialists of the department.

🛠️ We are immersed in a very important challenge consisting of modernizing and improving the security of the applications managed by the department using more agile and modern technologies. As a member of our team, you will work on designing and managing the systems that allow their authentication (SAML and OAuth).

📝 Our challenge is to maximize the automation of any service in our infrastructure so that our internal clients achieve maximum satisfaction. In our team, you will work with technologies such as Powershell, Ansible, Terraform, AWX, etc.

First of all, we need you to...

Be passionate about technology with business logic
Not settle and seek continuous improvement
Be willing to face new technological challenges

Conditions

Full Time

Gross annual remuneration with salary progression

29,678€ to 45,054€

View original advert (Spanish)

Como Administrador de Sistemas Microsoft optimizarás nuestros procesos y automatizarás los mantenimientos y operaciones, homologando nuevos productos y tecnologías garantizando el trabajo rutinario de nuestros clientes internos.

Qué te ofrecemos

✨ Proyectos únicos y de gran impacto.

👥 Un equipo IT de más de 1.400 profesionales.

🛠️ Stack tecnológico de alto nivel.

📈 Plan de carrera con revisiones salariales anuales.

⏰ Flexibilidad horaria.

🎓 Formación continua y crecimiento profesional.

🔒 Estabilidad y cultura de equipo.

🏥 Servicio médico propio.

🏢 Oficinas innovadoras y colaborativas.

Qué te pedimos

Formación

- Ciclo formativo de grado medio Informática o Telecomunicaciones.

- Ciclo formativo de grado superior Informática o Telecomunicaciones.

- Grado de Ingeniería Informática, Telecomunicaciones o Electrónica.

Conocimiento

Imprescindible en..

- Active Directory y EntraID (AD, ADFS, Azure AD).

- Windows Server.

Valorable en..

- Administración avanzada de Directorio Activo (Secutity Baselines, Disaster & Recovery, Sites & Services...)

- Administración de infraestructuras y protocolos de autenticación modernos (ADFS, EntraID, Microsoft Entra External ID (B2C), SAML, OAuth2...)

- Automatización de infraestructura (PowerShell avanzado, apificación, Ansible, AWX, Terraform, ...)

- Gestión del parque Windows Server (System Center Configuration Manager, System Center Operations Manager...)

Experiencia

Al menos 3 años de experiencia demostrable en con tecnologías Microsoft, principalmente con Active Directory, ADFS, EntraID y Windows Server.

Disponibilidad horaria para jornada completa de lunes a viernes

Disponibilidad para realizar guardias.

Cómo será tu día a día

✨ Cada año Mercadona renueva los Datacenters de algunas de sus sedes para evitar la obsolescencia, contar con la tecnología más moderna y poder hacer frente a los retos del negocio. Queremos contar contigo para trabajar en el diseño e implantación codo con codo con los especialistas tecnológicos del departamento.

🛠️ Estamos inmersos en un reto muy importante que consiste en modernizar y mejorar la seguridad de las aplicaciones que gestiona el departamento a tecnologías más ágiles y modernas. Cómo miembro de nuestro equipo trabajarás en diseñar y gestionar los sistemas que permiten su autenticación (SAML y OAuth).

📝 Nuestro desafío es conseguir automatizar al máximo cualquier servicio de nuestra infraestructura para que nuestros clientes internos obtengan la máxima satisfacción. En nuestro equipo trabajarás con tecnologías como Powershell, Ansible, Terraform, AWX, etc.