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Last updated: October 1, 2015
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Mihai-George Cornateanu

Mihai-George Cornateanu

Senior Linux System Engineer

United Kingdom - Tests: 12 - Portfolio: 1

Linux System Administrator. LAMP Administrator. Security expert - Senior Ethical Hacker. PCI Compliance expert. ✔ Apache ✔ PHP ✔ MySQL ✔ DNS ✔ FTP ✔ Samba ✔ Postfix / Qmail / Sendmail ✔ DomainKey / DKIM / SPF ✔ Courier / Dovecot (IMAP/POP) ✔ SpamAssassin / ClamAV Amavis ✔ Kernel Hardening & Securing ✔ IPTables ✔ Wordpress, Joomla, PHPBB, Drupal ✔ Bash scripting

100% Job Success
$30.00 /hr
186 hours

Sun Dro

Sun Dro

Software engineering. Design, development and maintenance of software.

Georgia - Tests: 4 - Portfolio: 7

I have 5 years experience in Software engineering: Design, Development and Maintenance of software, 2 years experience in IP-TV software development and I also have a big experience in IT Security, Penetration Testing, Technical Support and Operating Systems (GNU/Linux, Windows) Administration/Architecture. Personal Blog: Services: - System Programming - Middleware Development - Desktop Application Development - Server-Side Application Development - Android Application Development - IT Security Research - Penetration Testing - Malware Analysis - IT Security Advisory - IT Infrastructure Consulting - Security Awareness Training - Operating Systems Administration

$10.67 /hr
0 hours

Bhushan Kumar Sharma

Bhushan Kumar Sharma

Linux Servers AWS Cloud Hosting Security CPanel Plesk VOIP PenTest

India - Tests: 4 - Portfolio: 14

Since 2001, I have been dedicatedly working with Linux Operating Systems & Open Source. Services Provided ::- Deployment, Configuration, Security, Hardening, Monitoring, Performance Tuning, Troubleshooting of Linux Server Roles AWS – Amazon Web Services Migration of Servers Hosting Panels like WHM/CPanel, Plesk etc Asterisk Dialers, VOIP and Call Center Solutions Customization of Linux Kernel & Distro with Rebranding Faculty of Post-Graduate Degree in Computer Sciences. Firewalls & Gateways Linux HPC - High Preformance Clusters Remote Server Support & Troubleshooting L3/L4 Security Auditing of Servers & Websites Cloud & Virtualization Technical Writing VPN - Site-to-Site, Road-warrior Vulnerability Assessment & Penetration Testing Kayako

100% Job Success
$16.67 /hr
3,994 hours

Deibys Paredes

Deibys Paredes

Linux Systema Administrator


I am a professional organized, efficient, dependable, who has worked in several IT fields for over 10 years. With experience as a Linux System Administrator, Linux Network Administrator, migrations planning and many other functions. I can bring value to your business and help solve issues. I have strong knowledge in Web server (Apache, Lighttpd, Nginx, PHP, Perl, Python..), Monitoring (Cacti, Nagios, Zabbix), Mail server (Sendmail, Qmail, Postfix, Zimbra...), DNS (Bind, Power DNS...), Firewall, Network, Database (MySQL, noSQL: couchbase...), load balancing (HaProxy, LVS..), Virtualization (VMware vSphere, XEN, Proxmox, Citrix...). However, my knowledge is not limited in these areas.

$17.00 /hr
0 hours

Richard Martin

Richard Martin

QA Test Engineer / Security Expert - CISSP, CEH

United Kingdom - Tests: 2

I have over 8 years experience in software testing and systems administration. I'm skilled in Linux application testing, white/black box testing, penetration testing, mobile app testing (Android & iOS) and load testing. All test cases, steps and reports are fully documented for client review. I have tested web applications for the top 3 technology companies in Silicon Valley. Current available test rig: OSX 10.9.2, Win 8, Win7, Win Vista, Win XP, IPhone 7.1.1, Fedora, PCLinuxOS, CentOS, Ubuntu, Samsung Galaxy Tab, IPad, IPad mini

100% Job Success
$20.00 /hr
3 hours

Ishan Mahendru

Ishan Mahendru Agency Contractor

Expert Web Developer, Hacker having knowledge of Wordpress, PHP, .NET

India - Tests: 11 - Portfolio: 3

I am a Computer Engineer With Knowledge of Web development, Software Development, Security, Server Administration etc. My skills Include Web Development 1.) Wordpress (Installation, Customization, Transfer, Backup, Recovery, Malware Removal, Security issues, Fixes) 2.) Java, JSP, JSF, Hibernate, Spring MVC 3.) PHP & MySQL(Database Design, Development, Backup, Moving) 4.) Asp.NET 5.) HTML 6.) CSS 7.) Open Source CMS Installation and Migration Server Administration 1.) Installing Lamp, Apache, MySQL 2.) Installation of SSL Certificates 3.) Htaccess Expert 4.) Server Security( Both Web Server and Database Server) Website Security 1.) Malware Removal (Expert) 2.) Hacking Sites(Using SQL Injection,XSS or any other vulnerability) 3.) Penetration testing and Vulnerability Assessment (Scanning Website to find Loopholes in Security) 4.) Securing and Patching Websites 5.) Email Security SEO 1.) Htaccess Expert (Friendly URL) 2.) Adsense and Adwords Consultation 3.) Meta Tags 4.) Robots.txt 5.) Google Webmaster 6.) Google Analytics There are many such small but useful skills which i can't list here. Please consult me atleast once. I am sure you will hire me again Thanks

Associated with: KarmNishth

81% Job Success
$8.89 /hr
169 hours

Riyazuddin S.

Riyazuddin S.

Ethical Hacker - Windows-Linux-Security-Networking-Web Apps-Virtualiza

India - Tests: 7

- *nix (RHEL, CentOS, Debian, Ubuntu, FreeBSD, Solaris, OpenSolaris, etc) - Windows (2000/XP/Vista/7, 2003/2008 Server) - Cloud Computing (Amazon, Rackspace) - Virtualization Solutions(KVM, Qemu, Xen, VMware ESX, Hyper-V, Xen) - Virus, Malware, Spyware, Rootkit removing. - Networking (Cisco Routing and Switching) - Mac OSX 10.5.x, 10.6.x - Gateways (DHCP, DNS, Firewalls, Interface Bonding, Traffic Shaping, Proxy Server, etc) - File Servers (Samba, NFS) - Web Servers (Apache, IIS, Nginx, Lighthttpd, Apache Tomcat, etc) - Database Servers (MySQL, PostgreSQL, MS SQL) - FTP Servers (vsftpd, proftpd, pureftpd, etc) - VoIP (Asterisk) - Mail Servers (Qmail, Postfix, MS Exhange server etc) - Secure VPN (OpenVPN, Vyatta) - Backup Systems (Amanda, Bacula, Duplicity, Rsnapshot, etc) - Server Health Monitoring Systems (Nagios, MRTG, Monit, Cacti, Munnin, etc) - Storage Solutions (LVM, RAID) - Code Versioning Systems (SVN, Git, Mercurial) - Project Management Systems (Trac, Redmine, dotProject) - Security Frameworks (SELinux, AppArmor) - Failover, Load Balancing, Clusters - Payment Gateways (Siemens PPI) - Security and Performance Optimizations - Misc Tools (WHM/Cpanel, WHMCS, Plesk, Layered Panel, etc) - HTML, PHP, CSS, C, C++

Groups: Microsoft Certified Professionals

$17.78 /hr
220 hours

Shama M.

SQL BI /RHCE/ Automation / Scripting/ Python/ QA / CEH

United Kingdom - Tests: 7

Highly motivated developer following Agile methodologies with overall Six+ years of experience in :- - Oracle(SQL, PLSQL 9i), SQL server 2008 (TSQL, SSRS, SSIS) - Sharepoint, BIDS, SSMS, Report Manager, Report Server - Automating routine tasks using Python, Bash, Batch, Powershell scripting. - AWS/VPS/Redhat/CentOS/Ubuntu Linux Administration. - Windows 2003 / 2008 / 2012 Server Administration. - Replication/Clustering setup, Server hardening. - Server Monitoring (Nagios, Cacti, Monit, Munin) and Tuning. - VMWare, XEN, Virtuozzo, Virtual Box. - Continuous Integration (SVN, GIT, Jenkins, TeamCity, Python, Ant, Maven). - SMTP setup using Postfix. - HTML, CSS3, Python, Shell Scripting. - Hosting Expert (Cpanel WHM, Plesk), VPS, Linux, Windows, Backup, Migration, Administration. - Manual and Automated Testing using Selenium, AutoIT, Python, Sikuli - Smoke & Sanity, Black/White Box , Integration, Regression, Load, Security Testing, UAT, Performance, Non-functional, Database testing, exploratory testing. - White Box Testing tools : NUnit, JUnit, TestNG, MS Test - Bug Reporting Tools : TestTrack Pro, Bugzilla, Trac, Trello

81% Job Success
$17.00 /hr
13 hours

Harwinder Kumar

Harwinder Kumar Agency Contractor

Malware / Hack Removal, Web Security, WordPress Expert

India - Tests: 14 - Portfolio: 11

I'm top rated Upwork freelancer and offer services in Malware / Hack Removal, Ethical Hacking / Internet Security, WordPress Development, Linux Server Administration, Site Transfer, Zen Cart / Drupal / Joomla Upgrade. Over the last 3 years, I have worked on 2000+ sites security (cleaning from malicious code and hardenening security) and 250+ sites transfer. Service Description: 1. Malware / Virus Removal from Sites / Computers (Cleaning Hacked Sites). 2. Website Security and Maintenance (Implementing general security measures and tips to maintain security). 3. WordPress (Sites development and troubleshooting errors). 4. Zen Cart / Drupal / Joomla Upgrade (Upgrade to their latest stable version). 5. Server Admin (Linux / Windows - Managing servers). 6. Site Transfer to New Host / Domain. 7. Optimize & Increasing Speed of Sites (Reducing Page Load Time). 8. Optimize and Increasing Speed of Windows Operating System Based Computers (Win 7, 8, XP and latest editions). 9. Google AdSense Optimization (Implementing tips to get maximum revenue from AdSense ads). 10. Penetration Testing (Checking site for security vulnerabilities).

Groups: Bluehost Developers and Designers, Crossrider...

Associated with: KarmNishth

90% Job Success
$25.00 /hr
1,304 hours