Online Reservation System — an IT-accredited development company for commercial, large-scale information systems for airlines and airports.
Major carriers in the Russian and international market choose the company's products: Aeroflot, Ural Airlines, UTair, Azimuth, IsrAir, Tinkoff, Vnukovo Airport, Coral Travel, TUI, etc.
Linux System Administrator (with a desire to develop in the field of Information Security)
Salary: 150 – 230 thousand rubles, to be discussed based on the final interview results
Conditions: full-time (remote/hybrid/office) – your choice.
Responsibilities:
- Administration of antivirus solutions (Kaspersky Security Center);
- Participation in managing employee access in accordance with information security policies;
- Administration of Active Directory, GPO;
- Management of Windows system updates via SCCM;
- Vulnerability scanning (OpenVAS), analysis of results, and report preparation;
- Monitoring and analysis of OS and information security tool events;
- Operation and maintenance of SIEM systems;
- Participation in internal and external information security audits;
- OS Hardening;
- Assessment and analysis of information security risks for corporate infrastructure;
- Identification, analysis, and response to information security incidents.
Requirements:
- Technical education;
- Solid knowledge of Linux OS administration for 5+ years;
- Experience with authentication and authorization systems: Keycloak, LDAP, RADIUS;
- Experience operating high-load systems;
- Understanding of fault tolerance, scalability, and monitoring principles;
- Disk management: LVM, XFS/EXT4 file systems, RAID operation;
- Performance analysis and troubleshooting;
- Solid knowledge of the OSI model and TCP/IP stack. Understanding of DHCP, VLAN, DNS, NAT operation;
- Experience with virtualization systems;
- Experience configuring systems and using monitoring systems: Zabbix, Grafana, Prometheus, ELK Stack;
- Practical experience with information security tools: SIEM, vulnerability scanners, event monitoring tools.
We offer:
- Full-time employment;
- Official employment according to the Labor Code of the Russian Federation in an accredited IT company.
Contacts in TG: recruiter contact