At T-Systems, you will find groundbreaking projects that contribute to social and ecological well-being. We want to welcome new talents like you, who bring fresh ideas, different points of view, who accept challenges and continuous learning, to grow and impact society… All this, in a fun way!

T-Systems is a team of around 28,000 people employed around the world, making us one of the world's leading providers of integrated end-to-end solutions. We develop hybrid cloud and artificial intelligence solutions and drive the digital transformation of companies, industry, the public sector and, ultimately, society as a whole.

We are seeking a highly skilled and detail-oriented Data Center Network Engineer to join our team in Barcelona, Spain. As a key member of our IT infrastructure team, you will be responsible for designing, implementing, and maintaining our state-of-the-art data center network infrastructure.

• Manage and maintain datacenter infrastructure with a focus on high availability.

• Design and implement scalable and resilient network architectures.

• Capacity management and infrastructure growth planning.

• Proactive monitoring of performance and service availability.

• Conduct vulnerability analysis and enforce security policies.

• Develop automation scripts in Python to streamline operations.

• Build monitoring and automated reporting tools.

• Troubleshoot advanced routing and switching issues (OSPF, BGP, multiprotocol).

• Manage virtualized and SDN solutions (VMware NSX-T, vCloud, VXLAN, Huawei SDN).

• Lead or support migration and infrastructure upgrade projects.

• Experience: 1–3 years in network engineering and datacenter management.

• Certifications (mandatory): Cisco CCNA (Routing & Switching)

• Additional certifications: CCNP (Enterprise or Data Center), CCNA Security are a plus.

• Hands-on knowledge of Cisco, Huawei, VMware, and SDN technologies.

• Experience with automation tools (Python, Ansible, REST APIs).

• Strong monitoring and troubleshooting skills (SNMP, Syslog, Netflow, WireShark, traffic analysis).

• Proven track record in managing critical incidents and technical projects.

Languages

• Spanish: Native or advanced

• Catalan: Conversational or higher (One of our most important clients operates in the Catalan territory (Catalonia)." 

• English: Minimum B2 (technical communication) - We are constantly in contact with international teams and companies

Personal Competencies

• Strong analytical and problem-solving skills.

• Critical thinking and advanced troubleshooting capabilities.

• Adaptability to new technologies and methodologies.

• Team player with excellent communication skills.

• Ability to mentor, share knowledge, and manage stress in high-pressure environments.

If you are passionate about network engineering and want to be part of a highly skilled team managing cutting-edge datacenter environments, we’d love to hear from you!