Linux System Administrator

Excelia is a multinational Consulting, Technology, and Professional Services firm with 25 years of experience. We provide services in more than 50 countries across Europe, Latin America, and the United States from our 9 offices worldwide.

Are you passionate about Linux system administration and want to grow in challenging and impactful IT projects? We are looking for a Linux System Administrator to join our IT team. This role is ideal for professionals with extensive experience in Linux-based systems, scripting, virtualization, and integrating Linux services into Windows environments.

Location

La Spezia / On-site

Responsibilities

• Perform routine system administration of Linux-based servers (RHEL) and desktops (Ubuntu), including integration with Active Directory services (Domain Controller, Group and Security Policies, DNS, Trust Relationships).
• Execute standard operational procedures, including infrastructure configuration, installation, and maintenance.
• Develop scripts to automate system administration processes.
• Install, configure, and maintain services such as Bind, Apache, MySQL, LDAP, and anti-malware solutions.
• Assist in release management plans including rollout and rollback procedures.
• Provide 2nd line system administration support to on-site and deployed installations.
• Coordinate with the Service Desk to maximize efficiency between 1st and 2nd line support, including on-the-job training.
• Proactively monitor assigned systems and report on performance or downtime. Generate availability reports and statistics.
• Advise management on corrective actions or procurement needed to address system weaknesses.
• Prepare and maintain technical and operational documentation for systems and interconnections.
• Stay up-to-date with IT technology trends to provide state-of-the-art support.
• Perform other related duties as required.

Requirements

• Minimum of 5 years of recent experience in system administration.
• At least 3 years’ experience with Linux RHEL servers and Ubuntu workstations, including designing, deploying, and maintaining Linux-based virtualized infrastructure.
• Hands‑on experience with Linux scripting languages.
• Experience with services such as Bind, Apache, MySQL, LDAP, anti-malware solutions.
• Proven experience with virtualization technologies such as VMware.
• Experience integrating Linux services into Windows environments using Centrify, including authentication, resource sharing, and configuration management.
• Experience diagnosing network and equipment deficiencies.
• Service‑minded attitude and ability to work directly with users.
• Proficiency in administration of LDAP, SELinux, Apache, Bind, Bash, IPA authentication, and anti‑malware solutions.
• Demonstrated proficiency in English (written and oral).

Desirable

• Familiarity with load balancing, firewalls, etc.
• Knowledge of configuration management tools such as Ansible, Puppet, or Chef.
• Experience leading projects in an administrator role.
• Knowledge of security controls (e.g., NCSC, NIST SP‑800, ISO 27001).
• Relevant certifications: CompTIA Linux+, RHCA, RHCE, VCP, CompTIA Security+.
• Experience with Cisco Networking and EMC SAN.
• Experience in international environments comprising military and civilian elements.
• Proficiency in Centrify management, PowerShell scripting, and shell scripting for automation.
• Experience with Git for code management.

If you are interested in joining our team, apply now!