Job description
Installation, administration, monitoring and maintenance of information system, system software, LAN, WAN and VPN, SAN computer networks
Maintenance of Windows AD and DC, DNS, LDAP, DHCP, DNS server, apache
Maintenance of mail server based on Postfix mail server and dovecot pop3/imap server
Installation and Maintenance of VMware vSphere virtual infrastructure (Debian, Ubuntu, Redhat, Centos Linux and Windows Server family)
Permanent consolidation and monitoring of server infrastructure and performance tuning, resolving performance issues on all server systems and subsystems; Maintenance of data storage systems, software, antivirus, backup, restore
Configuration, maintenance and backup of active network equipment (routers, switches, firewalls, gateway); Installation of new software/firmware
Monitoring, maintenance and administration of a security network system that includes a pfSense Firewall/VPN/Gateway/Antivirus package and proxy for Internet access and professional assistance related to their operation
Installation, maintenance and management of all hardware components (Rack Servers, desktop and laptop client machines)
Assistance to system users in solving technical-hardware and software problems of the information system
Requirements
University education is desirable
At least 1 year of work experience in similar jobs
Excellent knowledge of working in MS Windows Server AD (2008, 2012, 2016) environment, working with policies, system services, Print server, user profiles, Linux (Debian, Redhat, Ubuntu, Centos) operating systems, VMware virtual infrastructure
Excellent knowledge of pfSense firewall/VPN/Gateway/Antivirus package (rules, licenses and policies)
Knowledge of telecommunication equipment operation and its use
Desirable knowledge of one of the Scripting languages (js, vbs, power shell …)
Desirable knowledge of Oracle RDBMS, MSSQL, MONGODB
Advanced knowledge of working in Microsoft Office packages
Active knowledge of English
Highly developed analytical skills, communication skills, independence, initiative in action