Middleware engineer

At Giesecke+Devrient (G+D), we develop cutting-edge technologies that protect digital and physical identities, payments, and data infrastructures.

We're looking for a Middleware Engineer to join our IT Infrastructure team in El Prat de Llobregat, Barcelona to help us operate, secure, and evolve our datacenter platforms.

This is a hands-on role for someone with broad technical curiosity and a strong sense of ownership. If you enjoy working in collaborative environments where everyone gets involved, this might be your next move.

What will you do?

• Operate and troubleshoot infrastructure and middleware platforms.
• Act as a technical point of contact for developers, 3rd-party vendors, and internal stakeholders.
• Maintain and evolve the entire datacenter stack: racks, servers, storage, communications, OS, databases, virtualization, authentication, and security.
• Propose improvements across technologies, processes, and tools.
• Enjoy a horizontal team culture-here, everyone gets hands-on with a variety of technologies. We learn and grow together.

What are we looking for?

Your human side:

• Experience matters more than certifications.
• Fast learner with strong self-management skills.
• Problem-solver mindset with the ability to take ownership and drive investigations to resolution.
• Passionate about IT infrastructure, with curiosity and initiative to explore new technologies.
• Creative thinker with the ability to challenge assumptions and find better solutions.
• Strong team player-collaboration is key to our success.
• Confident in your knowledge: you'll be interviewed by your future teammates.
• Interested in infrastructure as a whole: OS, virtualization, container orchestration (Kubernetes), SAN, etc.

Your technical foundation (2-3 years of hands-on experience in):

• High level of English (spoken and written)-you'll use it daily.
• Networking and firewall administration.
• Virtualization technologies (VMware, XEN).
• Shared storage systems (NetApp, iSCSI, NFS, CIFS, Fibre Channel).
• Backup and disaster recovery design and implementation (plus: IBM TSM).
• Monitoring systems (Nagios, Thruk, SNMP).
• Linux server administration (especially Red Hat) and scripting.
• AAA servers/services (external/centralized authentication such as RADIUS, LDAP).
• Database operations (SQL, RDBMS-especially Oracle).
• Familiarity with compliance standards (PCI-DSS, ISO 27001, ITIL).
• Experience with observability tools (Splunk and/or ELK).
• Strong knowledge of certificate-based security and PKI.

What's great about working with us?

• Culture and Diversity: A people-oriented environment with an international team and strong team spirit. Flat hierarchies. Equal Opportunity Employer and LGBT+ friendly.
• Global Collaboration: Work in Agile/SCRUM teams and collaborate with stakeholders worldwide.
• Innovative Environment: Develop secure solutions for cutting-edge personalization and digital products.
• Career Development: Continuous training, coaching, and participation in talent programs.
• Comprehensive Benefits: Flexible compensation (health insurance, transport, nursery vouchers, training), in-house parking.
• Work-Life Balance: Flexible work schedule and hybrid model. Core hours Mon-Thu (9:30-17:00), Fri (9:00-15:00).
• On-Site Canteen: Subsidized breakfast and lunch service with varied menus, salads, and fresh fruit.
• Location: Easily accessible by public transport (Bus 88 and 110, Metro L10 ZAL-Riu Vell, PR4 from El Prat) or private vehicle.