Systems and Infrastructure Administrator

Barcelona Institute for Science and Technology. At IFAE we conduct experimental and theoretical research at the frontiers of fundamental physics, namely in Particle Physics, Astrophysics, Cosmology, and Applied Medical Physics. We are involved in the ATLAS project at the LHC at CERN, the T2K neutrino experiment in Japan, the MAGIC and the CTA-LST telescopes in La Palma, the Dark Energy Survey project in Chile, the ESA Euclid satellite, and the VIRGO Gravitational Waves experiment and Einstein Telescope, among others. We also work at the cutting edge of detector technology developing pixel detectors for High Energy Physics, telescope cameras, and detectors for medical imaging and other scientific and industrial fields. Job description The selected candidate will participate in the administration and maintenance of the organization’s IT infrastructure, providing second- and third-level support for Linux platforms, virtualization, storage, networking, and security. The role also involves

contributing to infrastructure development projects and public procurement processes related to IT solutions. We are looking for a proactive candidate with strong problem-solving skills and proven experience in the administration of critical IT infrastructures. Main responsibilities - Administer and maintain Linux servers (Debian and Ubuntu). - Manage Proxmox VE virtualization platforms. - Administer and maintain OPNsense firewalls. - Manage Synology and QNAP NAS storage systems. - Administer backup solutions and perform restoration tests. - Monitor the IT infrastructure using Observium. - Manage and renew SSL/TLS certificates. - Administer infrastructure services such as DNS, DHCP, VPN, SSH, and related services. - Resolve second- and third-level incidents related to systems and networking. - Participate in projects aimed at improving and modernizing the organization’s IT infrastructure. - Prepare, maintain, and update technical documentation. Specific requirements

• Higher Vocational Training Diploma in Networked Computer Systems Administration (ASIX) or an equivalent qualification. - At least 2 years of experience administering Linux environments (Debian and/or Ubuntu). - Experience administering Linux services using systemd. - Strong knowledge of SSH and Linux server administration. - Experience with Proxmox VE virtualization platforms. - Solid knowledge of networking technologies, including: - TCP/IP - VLANs - Routing - DNS - DHCP - VPN - Experience administering OPNsense firewalls. - Knowledge of NAT and firewall policies. - Experience managing SSL/TLS certificates. - Experience administering Synology and QNAP NAS storage systems. - Knowledge of RAID, NFS, and SMB. - Experience with backup strategies, data restoration, and backup verification. - Experience with infrastructure monitoring tools, preferably Observium. - Experience with Docker and Docker Compose. - Previous experience working in a public institution or research center. - Technical experience participating in public procurement (tender) processes. - Knowledge of Wazuh. - Scripting skills (Bash and/or Python). - Knowledge of Zabbix. Desirable qualifications The following qualifications will be considered an asset: - Knowledge of Rocky Linux or Red Hat Enterprise Linux (RHEL). - Experience with Podman. - Experience working with AWS cloud environments, including: - EC2 - VPC - Security Groups - Holding or currently pursuing Linux certifications such as LPIC-1, RHCSA, or equivalent certifications. Evaluation criteria Evaluation criteria Points Technical knowledge and professional experience 70 Experience in similar environments within the research sector 20 Initiative and motivation 10 Offered contract - Full-time contract (40 h/week). - Interim Contract to Fill a Vacant Position (3 years). - The position corresponds to the N3 Technician category. - Salary will be

to proceed to the verification of absence of conflict of interest required by the Recovery and Resilience Mechanism of the Spanish Government. IFAE is committed to equal opportunities, diversity and inclusion. With the aim of promoting a real gender balance in the institution, women will be especially encouraged to submit their candidacy. Likewise, IFAE reaffirms its commitment to the integration of people with disabilities and underrepresented groups in science and, in accordance with article 59 of the EBEP, reserves seven percent of positions so that at least two percent of the total staff are people with disabilities. A Selection Committee will evaluate the received applications. If more than one candidate seems equally suitable for the position, the Selection Committee may arrange an online interview as part of the selection process. In compliance with article 121 of the Spanish Public Sector Legal Regime Act, staff with a pre-existing relationship