Support System Administrator, SSA in SIM-Networks

Sim-Networks Ukraine (a subsidiary of the German Netversor GmbH) invites a support system administrator to its team. Your tasks will be: - technical support for the company's clients in the field of hosting (work in the ticket system); - helping clients in working with services and prompt troubleshooting , assistance in moving sites and projects; - strict compliance with the rules and norms of service provision (according to SLA); - participation in filling and improving the knowledge base (KB); making proposals for improving the system of interaction with clients. Requirements for candidates: - work experience in the position of system administrator from 2 years; - previous experience in providing hosting services will be a great advantage for the candidate; experience of remote work with server and network equipment in a data center; - the ability to quickly find reasons, problems and ways to solve them; - willingness to work on a flexible schedule remotely from home. You must know and be able to: Linux OS (Debian, CentOS, Ubuntu) - above average / high level, including: - basic installation and system configuration; - experience with software and hardware RAID 0/1/5/10 ;- experience with LVM;- diagnosis of CPU / RAM / HDD / network loads; - system configuration for sysctl / ulimits loads; system backup and recovery; - installation or assembly of non-standard packages. Windows Server OS — the average level of administration of these systems, including: - basic system installation and configuration; - experience with Raid software; - terminal server RDS configuration; - AD domain controller installation and configuration; system backup / restore from backup copies. Remote work with servers using IPMI / ILO tools / iDRAC, including: - installation and configuration of Linux/Windows operating systems; - BIOS settings / HW Raid 0,1,5,6,10; diagnostics of server status; - diagnostics of HW Raid status — replacement of faulty drives, Raid expansion. Remote work with switches and routers of network equipment, including: - basic configuration of remote connection; - basic configuration of L3 routing; - experience with VPN IPSEC, OpenVPN, L2TP; - experience with VLAN network; - basic diagnosis of states: port state, state equipment, the presence of errors in operation; - firmware update (FW). XEN / ESXi / KVM virtualization, including: - basic installation and configuration of hypervisors in various variations — Xen opensource / XenServer / ESXi — 5.5−6.5 / KVM / Proxmox; - knowledge and understanding the principles of virtualization; - OS migration between different hypervisors; - finding problems related to loads and lack of resources; - knowledge and understanding of the principles of virtual networks; - experience with backup in virtualization systems. Virtual hosting, including:- knowledge and understanding of the principles of LAMP shared hosting; - the ability to work with control panels, in particular ISPmanager or its analogues Cpanel / DirectAdmin / VestaCP / ISPConfig / etc; - finding problems in the work of client site scripts; - transferring sites between accounts and between different servers; - migration of sites from other hosting providers; - help in solving problems with incorrect operation of sites or mail on virtual hosting;- help in using the service; - help in installing and basic configuration of scripts/CMS; - help in restoring sites from backup copies; - knowledge / understanding of the principles of providing hosting provider services — virtual hosting, virtual servers, dedicated servers, DNS, cloud services , placement of equipment; - writing scripts to automate work (bash / perl / python); - knowledge / experience with server software (nginx, apache, mysql, php, exim); - average level of knowledge in the field of DBMS MySQL / PostgreSQL / MSSQL, work with SQL queries, organization of backup copies, recovery from backup copies, load diagnostics; - knowledge of application level protocols (HTTP, HTTPS, SMTP, POP3, IMAP, FTP, ISCSI, NFS, CIFS, DNS), ability to diagnose the operation of these protocols. Personal qualities: - customer orientation; - competent written and oral communication; - attentiveness; - organization; - ability to learn quickly and self-study; - ability to take responsibility. We offer: - a friendly professional team; - training and professional growth in companies where IT is the main business!; - remote work; - work schedule: shift (12 hours, day/night, 2 days of work/2 days of rest); - trial period: up to 3 months; - social package: according to the Labor Code paid vacation 28 k.d. and sick leave. Please indicate the wishes of the employee