I'm a creative and hardworking Linux System Administrator and Amazon Web Services Architect and developer. I've been supporting and delivering IT solutions especially for web hosting companies and its set of open source software (Apache, PHP, RoR, MySQL, HAproxy, iptables, OpenVPN and much more) since 2005. I've also worked at IBM managing a farm of more than 1000 Linux and AIX servers as well as its proprietary middleware (DB2, IHS, WebSphere and others).
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Andres Montalban Agency Contractor
Over the last 10 years I have worked with World Class IT Infrastructure configuring, deploying and maintaining routers/firewalls/servers all over the world using the most recent technologies. In the following list you will find my knowledge in the computer and network technologies: Linux servers and desktop administration Apache web servers running in Linux, Windows and Unix (FreeBSD/OpenBSD) Mail servers configuration/administration using qmail, Postfix and Exim Good experience with Cisco routers, switches and firewalls (PIX) DNS servers administration using BIND Control panels knowledge, Plesk, Cpanel, Virtualmin, H-Sphere OpenVPN client/servers configuration Untangle configuration/setup Asterisk setup/configuration using Asterisk source or using fully customized installations like Elastix Services and server monitoring using Zabbix, Nagios, BigBrother and Cacti Database servers using MySQL/MS SQL/PostgreSQL Windows 2000/2003 configuration/administration for AD purposes, Exchange Mail Servers, WWW/DB servers Samba deployments using LDAP backend to store user information Experience with Linux Clusters using Heartbeat and Linux Virtual Server NAS, iSCSI, SMB network storage knowledge. I have experience with FreeNAS and Openfiler Experience with IBM Bladecenter S using HS12 and HS21 servers, from build to put the servers in production using Gentoo/Samba/LDAP/GoSA and Asterisk for the HS12 OpenWRT installations and configuration using Routerboard/PCEngines embedded PCs pfSense configuration/customization I have installed Wordpress, SugarCRM, V-Tiger, OTRS, Zimbra, Roundcube, and many others open source software in production environments
Roman T. Agency Contractor
Nitin S. Agency Contractor
Melbourne based System Administrator with expertise in Linux Server optimization, security and service deployment on VPS/Physical, Cloud Platforms(AWS,Rackspace). I believe in getting the job done with the best possible quality. Period. Clear timely communication with the clients and their team is always my priority. I have been working with all the major providers: Rackspace, Amazon, Softlayer, Godaddy, Hostgator, Bluehost, Linode, DreamHost, Mediatemple, Lunarpages. Expertise in Linux Administration is as follows (but not limted to) Server Distributions: RedHat, Centos, Fedora, Debian, Ubuntu, Gentoo, Suse, Mandriva, Opensuse, Knoppix, Slackware. Web servers: Apache, Lighttpd, Nginx, Tomcat File servers: Proftpd, Pureftpd, Vsftpd, Sftpd, TFTP, NFS, Samba DNS servers: Bind9, MyDNS, NSD Mail servers: Postfix(TLS,SASL), Exim, Sendmail, Qmail, Dovecot, Courier. Logging services: Syslog, Rsyslog, Syslog-ng Proxy servers: Squid(forward and reverse proxy), nginx, pound, lighttpd. Firewalls: Iptable scripts and Advance Policies Firewall with bruteforce detection. Firewall configuration: NAT, IP Masquerade Jabber servers: Openfire, Ejabberd, Djabberd Database servers: MySQL, Postgresql Backup: Bacula, bash scripts. VPN: PPTP Virtualisation: Openvz/Virtuozzo, Xen, Qemu, KVM, VMware Server, Parallels Workstation, Virtualbox headless, HyperVM. Monitoring: Nagios, munin, zabbix, zenoss Automation: Puppet(fan), custom bash scripts. Revision control: Git(fan), Subversion Package management: yum, rpm, dpkg, aptitude, apt-get, emerge Security: Nessus, John The Ripper, Tiger, PGP, GPG, nmap, Openvas, Snort, Ettercap, arpwatch, SSH, SSL, TLS, TCP Wrappers, Ethereal, dsniff, tcpdump, portsentry, rkhunter, chkrootkit, clamav, SPF, Spamassassin, domain keys. Cloud computing: Amazon (EC2, EBS, S3, CloudWatch), Rackspace services. Assessment tools: sar, vmstat, iostat, mpstat, netstat, iptraf, iftop, lsof, ntop, serverstats Misc services: NTP, Cups, DHCP, Dnsmasq
Jimy J. Agency Contractor
Within last 10 years, I have provided support for hundreds of clients including start-ups and thousands of servers/websites including cloud servers like AWS and rackspace. Optimizing servers/websites, automation and various linux servers like rubyrails, python, php, tomcat, jira, confluence, cpanel, plesk, mysql, mail servers, database / application scaling and Load balancers is just few of my skills. Love to work in deploying challenging applications, server migrations /configurations and start-up projects. I also have some exp with php coding and has developed interfaces as part of server administration.
Very proficient RoR Web developer with a strong Linux/Unix background. Located in Florida, USA I work on EST timezone, allowed to work legally in the USA, I can attend to meetings, receive and make calls worldwide, as my customer you will be provided with a direct line to contact me if necessary. Over 11 years of experience on the IT industry, mainly working for major 500 Fortune US companies such as Cisco Systems, LexisNexis, Sun microsystems and others. My focus is always to keep things as simple as possible and make stuff better. Relevant skills : - Ruby on Rails 3 - Authorize.net , Credit card systems - RSpec , Capybara ( Testing ) TDD - Memcache - C ANSI - Linux / Unix (Solaris) - Shell scripting - Unix power tools: vi,awk,sed,bash,truss,top,strace,tcpdump,iptables.. - Capistrano - Amazon EC2 and Clouding computing. - VPS (Heroku, SliceHost, DreamHost) - Git Collaboration tools and extras that we offer to our customers : - US Phone number landline and cell phone - Skype. - Outlook Calendar (Exchange server) - EST U.S timezone, Located in Florida, near by major airport (FLL) - Fluent in English, Spanish and Portuguese (Spoken and Written) Don't hesitate to contact me if you have any questions.
My 9 years of experience in Linux Server Administration and Deployment, and 15 years of experience as Linux User, should be of interest to a rapidly growing company like yours. I've been working for the past 9 years building all kind of servers: from SOHO file servers to large mail deployments in HA/Virtualized/Cloud environments.
Istvan S. Agency Contractor
Over the last 10 years I played various roles in several teams covering most of the systems engineering topics. My main focus is on system design and implementation with Linux(or similar unix-like) operating systems. I am looking for mid and long-term contracts mainly with RedHat/CentOS/Fedora systems or Amazon, Rackspace, Joyent services I have to following experience: 15+ years Linux (RedHat/CentOS/Fedora) and FreeBSD 5+ years networking: Cisco, Juniper, Nortel 5+ years IT Security: firewalls, OS extensions, mandatory access control and SELinux 5+ years databases: MySQL, PostgreSQL (including replication, backup and performance tuning) 3+years Amazon AWS(EC2, VPC, EBS, S3, CloudFront), I have moved several companies into the cloud 3+ years Ruby and RubyOnRails 3+ years Virtualization (XEN, VMware ESXi, VirtualBox) 3+ years Load Balancers(Cisco ACE, Citrix NS) 2+ years Clojure On the top of that I have experience with version control softwares like cvs, svn, git, mercurial and perforce, also with issue tracking systems like trac, jira and redmine. If you can't see the desired skill listed please contact me and ask, I might have the relevant experience.
Andrew Kozhokaru Agency Contractor
I am working in a big company as a technical support and looking for a second job. I have experience in Linux servers and desktops administration, have my own blog about Ubuntu tricks. Also, I have a great knowledge of building of web servers, acceleration of web sites, load balancing, problem troubleshooting and good command of written and spoken English. I am good in scripting, no matter is it PHP or Shell. Have a basic knowledge of MySQL. Best what I do is hosting optimization and providing optimization solutions. I also very familiar with mass hosting, cloud computing and cloud storages, scalebility and other web solutions. You can ask me anything you want. I have a very good deductive reasoning and troubleshooting skills. Past 2 years I work alot with Cloud Computing and Amazon Web Services.