Support System Administrator, SSA in SIM-Networks

Sim-Networks Ukraine (subsidiary company of the German Netversor GmbH) invites a support system administrator to its team.

- technical support of the company's clients in the field of hosting (work in the ticket system);

- help clients in working with services and prompt elimination of malfunctions, assistance in transferring 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);

- 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;

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- the ability to quickly find reasons, problems and ways to solve them;

- willingness to work on a variable schedule remotely from home.

You must know and be able to:

Linux OS (Debian, CentOS, Ubuntu) - above intermediate / high level, including:

- basic system installation and configuration;

- experience with hardware and software RAID 0/1/5/10;

- experience with LVM;

- diagnosis of CPU / RAM / HDD / network loads;

- system settings for sysctl / ulimits loads;

system backup and recovery;

- installation or assembly of non-standard packages.

OS Windows Server - the average level of administration of these systems, including:

- basic installation and configuration of the system;

- experience with Raid software;

- configuration of terminal server RDS;

- installation and configuration of AD domain controller;

system backup / recovery from backup copies.

Remote work with servers using IPMI / ILO / iDRAC tools, including:

- installation and configuration of Linux/Windows operating systems ;

- Setting BIOS / HW Raid 0,1,5,6,10;

diagnosis of server status;

- diagnosis of HW Raid status — replacement of faulty ones drives, Raid expansion.

Remote work with switches and routers of network equipment, including:

- basic setting of remote connection;

- basic configuration of L3 routing;

- experience with VPN IPSEC, OpenVPN, L2TP;

- experience with VLAN network;

- basic diagnosis of states: port status, hardware status, presence of errors in operation;

- firmware (FW) update.

XEN / ESXi / KVM virtualization, including:

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- basic installation and configuration of hypervisors in various variations — Xen opensource / XenServer / ESXi — 5.5−6.5 / KVM / Proxmox;

- knowledge and understanding of virtualization principles;

- OS migration between different hypervisors;

- search for problems related to loads and lack of resources;

- knowledge and understanding of the principles of virtual networks;

- experience with backup in virtual systemszations.

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;< /p>

- 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 services- provider — virtual hosting, virtual servers, dedicated servers, DNS, cloud services, equipment placement;

- writing scripts to automate work (bash / perl / python);

- knowledge / experience working with server software (nginx, apache, mysql, php, exim);

- average level of knowledge in MySQL / PostgreSQL / MSSQL DBMS, working with SQL queries, organizing backup copies, restoring from backups 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;

- organization;

- ability to learn quickly and self-study;

- ability to take responsibility.

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We offer:

- a friendly professional team;

- training and professional growth in a company where IT is the main business!;

- remote work;

- work schedule: shifts (12 hours, day/night, 2 days of work/2 days of rest);

- trial period : up to 3 months;

- social package: according to KZpP paid vacation 28 k.d. and sick leave.

Please indicate your wishes w/p