We’re looking for a motivated and reliable Linux System Administrator to support our growing IT operations. This is a fantastic opportunity for someone with a solid foundation in Linux and networking who’s eager to grow, experiment, and make a real impact in a collaborative environment.

What You’ll Do

• Provide user and system-level support across Linux distributions (CentOS 7(still running on some machines), AlmaLinux 8, Linux Mint, Debian)
• Troubleshoot and support various desktop environments – Gnome, KDE, MATE, etc
• Optimize and maintain key applications (Firefox, Chrome, Thunderbird)
• Apply regular system updates and security patches
• Diagnose and resolve hardware issues and performance bottlenecks
• Assist in the administration of LDAP and Samba services
• Support mail infrastructure (Postfix, Courier IMAP, Amavis)
• Manage VPNs (IPsec/OpenVPN), firewalls, routing, and advanced iptables rules
• Participate in automating repetitive tasks and improving internal tools (e.g., scripting system checks, backups, and deployments)
• Constantly seek ways to improve infrastructure performance, security, and user experience

What You Bring

• Solid foundational knowledge of networking principles: VLANs, Layer 2/3 switching, and routing
• Experience administering Linux systems, ideally Red Hat–based (CentOS, AlmaLinux); Debian-based familiarity is a plus
• Basic scripting skills in Bash; exposure to Python or Perl is a bonus
• Familiarity with core infrastructure services such as LDAP, Samba, and mail servers
• Understanding of secure connectivity tools (Citrix, RDP, OpenVPN, iptables)
• Exposure to virtualization platforms (e.g., Proxmox, VMware) is a plus
• Good command of English; French is a plus
• 2+ years of experience in a Linux user support or system administration role
• Self-starter with strong problem-solving skills and a collaborative mindset
• Enthusiasm for automation and system optimization
• Curiosity and drive to explore, test, and learn new technologies
• A proactive attitude — not just fixing issues but improving how others work

What We Offer

• Standard working hours (Monday–Friday)
• Attractive social benefits:
• 185 BGN/month in food vouchers
• Private healthcare insurance
• 24 days of paid annual leave + 1 for birthday
• Friendly, team-oriented culture
• Office located just 1 minute from „Konstantin Velichkov“ metro station
• Ultimate freedom to experiment, learn, and grow — your ideas are valued
• A chance to advance quickly by taking initiative and ownership
• Competitive salary aligned with your skills and experience