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Last updated: October 1, 2015

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Jayson Cena

Jayson Cena Agency Contractor

Linux(Debian/Red Hat),Oracle DBA, Linux Cluster Admin,Virtualization-H

Philippines - Tests: 4

To obtain a position that will enable me to experience and learn new ideas on system administration like complicated enterprise infrastructure design specially high-availability and fault-tolerant infrastructres. My core competency lies in designing new system infrastructure using open-source software. I also have some experience in VB6, ASP, PHP.

Associated with: ClusterFoundry Agency

$26.67 /hr
1,137 hours

Robin J.

Robin J.

Server Administrator and Automation Expert Linux / Windows

India - Tests: 2

Approx 4 years of experience in the field of Server Administration of Linux/Unix/Solaris/Windows. Good experience in the following points: Full Server Installation and configuration with the latest patches Hardening server Server security Server optimization Live server migration Server monitoring Expertise areas: 1. Linux Server Distributions (RedHat, CentOS, Fedora, Ubuntu) 2. WebServers (Apache/Litespeed, Nginx, Tomcat, Jboss) 3. Hosting Control Panel (WHM/C-Panel, Direct Admin,ISPConfig, Plesk Panel) 4. Monitoring Tools (Nagios, Cacti, Mrtg, Prtg) 5.Server Security (Iptables, CSF, Rkhunter, Chkrootkits, SSHD, TCP Wrapper) 6. Database (MySql, Oracle) 7. Mail Server (SendMail, Exim Mail, Zimbra, QMail) 8. Virtualiation (Virtuozoo, Hyper-V, OpenVz, Xen) 9. Scripting (Bash Shell) 10. Other: DNS, DHCP NFS, FTP, Smabha, Telnet, Ldap, NIS

81% Job Success
$12.00 /hr
152 hours

Evangelos Dikonimos-Makris

Evangelos Dikonimos-Makris

Senior Network Engineer (CCNP)

Greece - Tests: 6

10+years expertise on Networking and Unix/Linux environments. I have been working on ISPs for more than 7 years. I have huge experience in the following areas: Firewalls (Cisco, iptables, PFSense, Mikrotic) VPN ( Cisco, OpenVPN) IP Routing & MPLS ( VPNs, VRFs, VPLS ) Monitoring & Health Checks ( Cacti, Nagios, Rancid, Syslogs and SNMP traps ) Good knowledge of scripting ( Bash, expect, AWK )

$33.33 /hr
0 hours

Christian Fernandez

Christian Fernandez

Linux Network and systems engineer/Ethical Hacker pentester

United States - Tests: 2 - Portfolio: 5

Skills: I currently provide computer security, operations, networking, and systems engineering, research, administration and development for the Linux operating system, and in general, in the FLOSS(Free/Libre Open Source Software) community, computer security/hacking research vulnerabilities and penetration testing. Dev: Ruby, Rails, C/C++, Bash, etc (when time permits I like to explore learn new languages at the moment playing with Java) Specialties: Open Source, Free Software, GNU/Linux, Network Engineering, Penetration testing, Computer and Computer Security research, GNU/Linux systems and network architecture. Amazon Web Services, Virtualization , GNU/Linux Systems engineering and developer.

72% Job Success
$77.78 /hr
345 hours

Saqib Jalil

Saqib Jalil Agency Contractor

Drupal WordPress PHP WebServices MS/OS-Server-Mgmt

Pakistan - Portfolio: 16

Bridgetech is a consulting and software development firm, initiating, implementing, and managing business transformation programs. Drupal: - Drupal 6, 7 and 8 - Responsive Themes - Custom Module Development - Migration API, Facet API, Ubercart, Commerce - GIT, GitHub, SVN, Apache Administration etc. WordPress: - Custom Theme implementation - Plugin development - Woo-Commerce Customization - Widget, Forms, Site Transfer - ThemeForest, Thesis etc. Linux & OS - Red Hat, Fedora, CentOS, Debian, Ubuntu, SuSE, Etc - Load balancing, Backup scripts, Hosting Panels - Mail services, Antispam, Antivirus - DNS, DHCP, VLANS, Intrusion Detection, firewalls - MySQL, PostgreSQL, LDAP, Samba/AD, NFS Windows - Migration - AWS, Azure, Windows Server, Exchange, Lync, SharePoint, Office365, CRM, Dynamics, SQL - Exchange 2013 / 10 / 07, SharePoint 2013 / 10 / 07, SQL 2012 / 2008 / 2005 - Windows Server 2012 / 08 / 03 Hyper V, Active Directory implementation - Vmware

Associated with: Bridgetech

100% Job Success
$16.00 /hr
0 hours

Grigory Kuznetsov

Grigory Kuznetsov

System Engineer

Russia - Tests: 4

Qualified Cisco Academy Instructor (CCNA). 14+ years of work in field of IT. My main skills are: LAN & WAN design and deployment. Network equipment management - CISCO, HP, D-Link; network design, load balancing, backup strategy, monitoring. Data Center equipment management – computing systems, power distribution, cabling, air preparing. Administration of Microsoft Windows NT/2000/2003/2008/2008R2/2012 server OS (AD, DNS, DFS, DHCP, WDS, RDP, TS, clustering and load balancing). Administration of all Microsoft Windows client OS. Administration of Linux Red Hat/Cent OS (iptables, samba, squid, nginx, apache+mysql(optimization, DDoS mitigation)). Administration of VMware vSphere (ESXi + vCenter). Comprehensive monitoring using Zabbix.

$15.00 /hr
9 hours

Kiril M.

Kiril M. Agency Contractor

Linux Admin / Networking / VoIP / Scripting / Web development

Bulgaria - Tests: 8 - Portfolio: 2

Non-comprehensive list of GNU/Linux skills: - Debian-based distros - bash scripting - TCP/IP (networking) - netfilter/iptables (firewalling) - OpenVPN (virtual private networks) - OpenSSL (certificate management) - apache/nginx (web services) - cron (scheduling) - dovecot IMAP/POP3 and postfix SMTP (email) - asterisk PBX (voice over IP) - git (revision control) - syslog (advanced logging) - nagios, icinga, munin, monit (monitoring) - backuppc (backup) Non-comprehensive list of network management skills: - solid understanding of TCP/IP & Ethernet - monitoring tools - VLAN management - manageable switches in general - IGMP & IGMP snooping - OSPF & BGP routing protocols - GePON OLT & ONU equipment About me: Solid understanding of communication and web technologies is my primary area of interest and expertise. Over the last 7 years I've been a tech support for an ISP, a systems & network administrator and a web developer. As a network administrator for 2 years, I discovered what it means to maintain a large-scale MAN (Metropolitan Area Network), including internet access, setting up and managing IPTV streaming through IGMP and IGMP snooping techniques. I've setup BGP so the provider can have a backup route for his services. I'm falimiar with the nature of the technical issues that can occur and the different ways of handling and preventing them. I'm experienced in ethernet & GePON networking equipment. I've managed network equipment from most major vendors, Cisco, HP, DLink, Dell and Fundry, just to name a few. I've been working with Debian GNU/Linux professionally for 2 years as a systems administrator for a Bulgarian tourist resort and 2 years maintenance the services infrastructure (web, mail, vpn, samba, domain management, monitoring, ticket resolution systems, asterisk voip). I worked at a web development company for a year, doing back-end web development with different and frameworks, such as django, rails, express.js, along with infrastructure administration tasks and support. Languages: html5, bash, python, ruby, javascript Databases: mysql, postgres, mongodb Hobbies & interessts: - x86 assembler - system security forensics - electronics

Associated with: Samsourcing

$16.67 /hr
59 hours

Evgeniy P.

Expert Network/Unix Administrator

Russia - Tests: 10 - Portfolio: 2

Over 3 years experience Certified CCNP network specialist with experience of working at ISP in Russia with about 150k+ customers. • Certifications: CCNP R&S, CCNP SP, CCNA. • Skills OSPF,EIGRP,BGP,IS-IS,STP,VTP,HSRP,VRRP,Network Design,DMVPN,LAN,WAN,VPN,QoS,DNS,DHCP,IPv4,IPv6,MPLS,VPLS I am looking for a job to apply my experience and knowledge.

$22.22 /hr
37 hours

Alexandru V.

Alexandru V.

Senior Linux Administrator

Romania - Tests: 4 - Portfolio: 2

* Fully manage the installation, configuration and troubleshooting of Linux servers * Install and configure Web Servers and MySQL * Install and configure customer scripts and programs * Monitor performance to identify and resolve issues using a suite of systems and tools. * Troubleshoot and resolve network, system, hardware and software problems. * Achieve quick fixes and / or long-term solutions as needed. * Maintain 100% customer satisfaction through all available means.

100% Job Success
$20.00 /hr
126 hours