IT Systems Administrator

GTD, Ingeniería de Sistemas y de Software, S.A.; Barcelona; On-site; EUR 40,000 - 60,000; Full time

Job summary

Celeres is seeking an experienced IT Systems Administrator to take charge of the company’s IT infrastructure and ensure high availability, security, and performance. The role covers servers, network devices, LDAP, and internal VMs, with a focus on reliable operation and proactive improvements.

You will work as part of a dedicated IT team, providing support to ~150 employees across Europe and maintaining critical systems and cybersecurity measures.

Qualifications

• Experience as an IT Systems Administrator
• Ability to manage and maintain IT infrastructure
• Focus on availability, security, performance and reliability of systems and networks

Responsibilities

• Manage and maintain the company’s IT systems and servers.
• Maintain hardware infrastructure (about 20 servers + SAIs)
• Manage LDAP, Microsoft services, and other VMs of internal services (Subversion, Redmine, etc)
• Manage networks, connections, and communication devices (Cable & Wifi).
• Monitor systems and resolve technical issues.
• Perform data backups and recovery.
• Manage user accounts, permissions, and access.
• Implement cybersecurity measures.
• Monitor IT infrastructure and improve system performance.
• Provide technical support to employees.
• Work collaboratively as part of our IT team.

Skills

LDAP

Microsoft services

VMs

Networking

Cybersecurity

Backups

Technical support

Tools

Subversion

Redmine

Job description

Celeres delivers critical software and systems for space, defence, transports and public sector. We build the invisible backbone that keeps essential operations running, systems designed to work silently, reliably, under load, for decades.

With 39 years of proven expertise, we serve space agencies, defense operators and critical infrastructure organizations across Europe. Our commitment is uncompromising: technical excellence, operational precision, and the reliability that cannot fail.

We are a high-tech company, committed to the design, integration, and operation of complex, mission-critical applications and systems throughout the world.

Job description

The role:

Celeres is looking for an experienced IT Systems Administrator to manage and maintain the IT infrastructure of a company with approximately 150 employees.

The role involves ensuring the availability, security, performance, and reliability of the company’s IT systems and network infrastructure.

Position activities:

• Manage and maintain the company’s IT systems and servers.
• Maintain Hardware infrastructure (about 20 servers + SAIs)
• Manage LDAP, Microsoft services, and others VMs of internal services (Subversion, Redmine, etc)
• Manage networks, connections, and communication devices (Cable&Wifi).
• Monitor systems and resolve technical issues.
• Perform data backups and recovery.
• Manage user accounts, permissions, and access.
• Implement cybersecurity measures.
• Monitor IT infrastructure and improve system performance.
• Provide technical support to employees.
• Work collaboratively as part of our IT team.