Stanislav Romanenko Resume

ForexTime Ltd.

Position: Unix/Network System administrator
Duties:
- Administrating, maintaining and implementing WEB projects with high availability (Nginx, php-frm, Apache, Php, Memcache, Mysq);
- Administrating and tuning of databases;
- Working with Cisco (IGRP, EIGRP, OSPF, BGP,) routers, access points, Linksys, HP Pro Curve, Dlink, TP-Link;
- Working with DELL hardware (iDrac 5, iDrac 6, iDrac 7), HP, Super Micro;
- Working with CDN;
- Manage service failover, load balancing, monitoring with Zabbix;
- Managing partly virtualization software (LXC);
- Managing Redmine, Git;
- Manage Backup software: BackupPC;
- Manage Mail: Exchange server + Postfix Relay;
- Security: Scanning with Nessus and Openvas programs network resources and web resources before security audit. Solving problem with vulnerabilities;


Cardpay Inc.

Position: System / Network administrator

Duties:

- Administering Linux based servers: web and payment processing;
- Administering Windows based servers: ISA Firewall, VPN, DNS, DHCP;
- Planning and creating network environment;
- Optimization and balancing system processes;
- Solving current bugs and compatibility applications on test servers. Using 3 environment: Developer, Test, Pre-Production (exect copy of production: OS, version of service, library. For instance: php, java, tomcat, httpd, etc.).
- Administering separate servers for one environment. For instance: proxy web server + web firewall with external IP, firewalled → web server with internal IP, firewalled → application server with internal IP, firewalled → database internal IP, firewalled;
- Optimization developer processes with issue tracking system: Redmine, integrated git (GitBlit), Jenkins, Nexus, Sonar, Hudson;
- Making updates on productions servers on demand using own update scripts;
- Creating automating backups of important files using BASH scripting and copying to another datastore through ssh or rsynk;
- Monitoring system with Nagios, Zabbix, PRTG, own BASH , Sed, Awk scripts;
- Supporting database Oracle as administrator: preparing tablespace, manage quotas, manage users, manage backups through RMAN;
- Supporting database Mysql, Postgresql;
- Managing servers security ports through iptables, hosts.allow, hosts.deny, access via ssh denied for root, access for correct users or groups, ciphers;
- Manage access policy for access to servers accordingly PCI-DSS: minimum length password, time of changing, blocking after 3 wrong tries, etc;
- Managing multidomain mail server (Postfix, Dovecot, Zimbra), mail relays, antispam , antivirus, dkim keys, access;
- Managing web servers: access, modules, redirects, virtual hosts. Configuring https, safe ciphers, hiding OS, access through IP.
- Managing, securing, accelerate response, balance web servers loading with apache proxy reverse. More safety to have servers with information hided behind NAT;
- Managing web application firewall “Mod Security” and making regularly database updates;
- Track vulnerabilities and timely software updates for avoiding any possible hacks;



Premier Expo Ukraine

Position: System and internet servers administrator
Duties:

- Support Windows servers 2003, 2008 (Active directory, Group policy, DHCP, DNS, WINS, Terminal server, WSUS, ISA firewall 2004, Exchange 2007, SQL 2005);

- Support Unix servers FreeBSD, Debian (Packet filter, IPFW, Squid proxy, Proftpd, VPN channels Mpd, Apache);

- OSX Server (Snow Leopard): Open Directory, Ical server, Mail server, Xsan, File Sharing, VPN server;
- Automatic backup: users profiles, mails, AD, SQL bases, Samba;

- Configuration Ethernet and wireless routers: Netgear, D-Link, Asus, Linksys, Apple Airport Extreme/Express/Time Capsule;
- Support company's website (Joomla), changing information, modernization, adding new modules, SEO;
- Antivirus protection: Kaspersky Administration Kit;

- Support Windows & Linux desktops (Ubuntu, Mandriva);
- Repairing PCs, Laptops and Macbooks (Testing «Hiren's boot CD» - memtest, mhdd, S&M, «Apple Service Diagnostic») and fixing through replacing spare parts;
- Support office periphery;
- Communication with service, internet and hosting providers;

- Searching, choosing and buying office periphery and software.
My contribution to the development of the IT department of the company:
Microsoft Server 2003:
- Installed Active directory with replication to second server AD, tuned group policy, created roaming users profiles;
- Installed WSUS for updating Windows XP;
- Installed terminal server for work with 1С (accounting program);
- Tuned automatic servers backup “Acronis true image server”, backup 1C databases, user's PC files;

FreeBSD:
- Installed and tuned firewall Packet Filter for internet security
- Installed and tuned proxy – server squid;
- Installed and tuned SAMS (SQUID Account Management System) for statistic and monitoring, also for access to internet through authentication NTLM in domain;

- 7 years experience of Windows style OS administration;
- 5 years experience of Unix style OS administration;
- 5 years experience of virtualization technology (VMware, ESXi);
- 1 year experience of partly virtualization technology (LXC containers);
- Experience in network technologies and protocols;
- Manage Windows Server services (Active Directory, GPO Policy, ISA, IIS, DNS, DHCP, VPN, Exchange);
- Experience in high load system 24/7;
- Experienced to work under pressure;
- Manage service failover, load balancing, clustering;
- Processing and recording of incidents;
- Implementation of IT applications from development teams;
- Administration Open Source applications;
- Experience in support java, php applications;
- Experience in web developing (html, css, php, javascript);
- Experience in server hardware HP, DELL, Super Micro;
- Experience in management switches, routers, access points;

Red Hat, CentOS, Debian, Windows Server 2003, 2008, Security, web / database services, networking.

English, Russian, Ukrainian

- Training Centre “Network Technology”, Ukraine:
Using thin clients of Hewlett - Packard in terminal decisions Microsoft, Citrix and Open Source.
- Training Centre Locii Solutions Ltd, Cyprus:
Advanced Microsoft Exel: Visual Basic for Applications (VBA).