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Last updated: October 1, 2015
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Dave Hodson

Dave Hodson

U.K Electronics/Programing/Computer Admin

United Kingdom - Tests: 3

I'm a Programmer / Electronic Engineer / Computer Administrator from the UK, I have years of experience in electrical, and security in the physical field. I've worked a lot with micro controllers particularly ATMEL, Arduino and interfacing with computers in general. I've worked a lot with Linux looking after networks setup and general administration also running and maintaining websites and security. Ive recently needed to gain experience in Pentesting (Penetration Testing) so now i can not only secure networks and apps i can test them for vulnerabilities and see how systems react to different attacks/exploits. I work well in a team or alone, I'm constantly looking at different approaches to problems and looking for new ideas to complete the overall goal in the most efficient way possible. If i can save my customer time and money I will. I'm currently self taught, I have acquired a basic to intermediate level skill and a large range of fields and generally will learn more if the need arises. If your worried about my skill level please feel free to quiz me i hope you will be pleasantly surprised. Experience: I'm a Native UK English speaker. Electrical Engineering: Circuit prototyping/design, Eagle, Arduino, RPI. Languages Main: VB, .NET, BASIC, C. Languages Secondary: HTML, Java, PHP. OS: Android, Linux, Windows, Networking, Security, Pentesting, RPI, CMS (E.g Wordpress cPanel).

$18.00 /hr
69 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
4,009 hours

Mariusz Z.

Mariusz Z.

Penetration Tester, Linux/UNIX Security Admin,Intrusion Analyst, CISSP

Poland - Tests: 9 - Portfolio: 1

I'm Linux Security Administrator & Web Application Penetration Tester with 8 years of experience in the IT field. I'm CISSP (ID# 478556) and OWASP member. My expertise ranges from designing, building secure & robust systems to analysis of subtle software security flaws. I can help you with: - thoroughly security testing your web application (black-box and/or white-box tests) and helping in mitigating detected vulnerabilities - analyzing and assessing vulnerabilities in your application's underlying IT infrastructure - security hardening Linux/UNIX servers/clusters - recommending solutions and best practices on how to design and maintain secure AWS infrastructures - responding to security incident in Linux/UNIX environment, helping in recovery process (rootkit detection, malware removal, etc.)

100% Job Success
$19.00 /hr
123 hours

Aleksandre Vardanidze

Aleksandre Vardanidze

--admin systems|database|network|security

Georgia - Tests: 6

--Admin systems Extensive experience with the configuration, hardening, and maintenance of various Linux distributions, including: * Red Hat Enterprise Linux, Fedora, CentOS * Debian, Ubuntu * OpenSuse Able to set up vital Linux infrastructure components including load balancers, DNS servers, proxy, web/application servers, and mail servers. Familiar with os-level security policies as well as server-level security layers like SELinux. --Admin database Skilled in MySQL database administration for standalone servers as well as replicated and clustered environments. I have also worked with postgsql --Admin Network I've been working as a network administrator for 5 years. For now I'm working in a governmental agency as a network administrator and network security specialist. Have experience with almost every cisco and hp network devices, also I design governmental network and our agency network design. I'm certified ccna,ccnp and ccna sec. had trainings in ccnp sec, ccdp, gsec, CEH,ENSA and Microsoft products (server 2003/8, exchange server and etc) Monitoring and diagnosing faults of VPN connections with other organization, Data Exchange Agency IPS/IDS system and sensor setup, operation. Security concept, design, documentation and implementation. --Programming Native PHP & PHP framework: Phalcon Python (python frameworks: django, cherrypy, flask) C/C++, x86 assembly, x86 architecture (PE binary format, IDA & general RE) --Malware Analysis Static and Dynamic Analysis using a debugger and disassembler. Memory Forensic with Volatility Detect malware characteristics at the Windows API level (DLL injection, function hooking ”SSDT, IAT”, keylogging, communicating over HTTP, DNS.) --Admin other Here is the incomplete list of technologies and solutions I have used over my 5 years of experience. -Zabbix, Zenoss, Nagios, Munin and Cacti for monitoring purpose  -Configuration management - Puppet, SpaceWalk, Katello  -Web servers - Apache, Ngnix, Lighttpd  -Load Balancing with Haproxy and Barracuda Load Balancer  -Virtualization - Vmware ESXi --Computer Skills, Trainings and Certification Windows; Windows Server (2003/2008/2012); MS Office; Linux; MacOS ; Network Monitoring Tools; Certified Ethical Hacking ( CEH ) - Self-study Course Security Certified Network Specialist - Self-study Course EC-Council Network Security Administrator - Self-study Course Metasploit Framework Expert - Self-study Course CompTIA Security - Self-study Course HISTORY * SpeedLine - Aug 2010 to May 2012 - Linux Engineer, System Administrator * DATA EXCHANGE AGANCY - Jun 2012 to May 2014 -CERT SPECIALIST * Unipay - Jun 2014 to Present -Linux Enginner, Network Administrator

$33.33 /hr
19 hours

Stamatis Kekes

Stamatis Kekes

Senior system administrator and PHP - C - Perl developer

Greece - Tests: 11 - Portfolio: 2

Very skilled Unix system administrator, with lot of experience in Linux ( Centos, Redhat, Fedora, Ubuntu, Debian, Gentoo, Slackware ), Solaris, xBSD ( FreeBSD, OpenBSD), vpn ( openswan - ipsec, openvpn, l2tp, pptp ), clustering ( LInux Virtual Server, Linux HA, vrrp, Solaris Cluster ), cloud computing, load balancing ( f5, haproxy ), VoIP ( asterisk ), databases ( MySQL, PostgreSQL), LDAP, web services ( Apache, Nginx, varnish ), security ( penetration testing, firewall policy design ), control panels ( CPanel, Plesk, Virtualmin, Ensim ), Virtualization ( VMWare Virtual infrastructure - VSphere, amazon EC2 ). As for Developing I am very experienced in C, PHP, Perl, javascript, ajax and many more to list.

98% Job Success
$16.67 /hr
1,828 hours

Shadab Shaikh

Shadab Shaikh

Lead Automation/Manual QA tester

India - Tests: 5 - Portfolio: 4

Dear All, My name is Shadab Shaikh, I am a web & Mobile app tester with 9+years of hands on experience in TESTING Web & Mobile Applications. I offer a five point promise so that you will know what to expect: * I'll listen to you: that's the best place to start in understanding your objectives * I'll avoid geek speak and talk to you in plain English * I'll use a common sense approach that's based on your business, not my agenda * I'll think outside of the box and encourage you to do so too * I'll be here whenever you have a question I use all the latest testing tools and techniques. I have strong knowledge of SDLC and different types of testing mythology (Black box testing, Regression, Smoke, sanity testing). I am very much familiar with ad hoc & Scrum (agile) testing mythology . I am using bug tracking tool mantis, Jira, Unfuddle, basecamp, Bugzilla. I have knowledge of W3C valid XHTML and CSS. After testing your application, I will write a report on found bugs and suggestions with screenshots and steps to reproduce them. So, you will have all necessary information to make your application the most stable, functional and user-friendly.

100% Job Success
$11.11 /hr
1,014 hours

--- Serhiy Chernikov ---

--- Serhiy Chernikov --- Agency Contractor

Team Lead\Lead QA Engineer\Business Analist

Ukraine - Tests: 2 - Portfolio: 14

• QA lead\Project Lead with more than 8 years of IT experience. • Excellent knowledge of development, testing activities: planning and control, analysis and design, implementation and execution development, test closure activities. • Good theoretical and practical knowledge of development, testing methodologies. I'm proficient in all of testing types and most software development methodologies (RUP, Agile, AUP, Waterfall).

Associated with: QA group, Global Network Solutions

$16.67 /hr
475 hours

Travis Green

Travis Green

Security/Systems professional

United States - Tests: 4 - Portfolio: 1

I am an accomplished professional with more than 18 years of information technology experience in systems administration, infrastructure design, implementation, and information security. Also, I have diverse experience at every level of the enterprise from writing policy to the answering the help desk phones. Finally, I am a self starter that is able to communicate effectively both verbally and in writing. Specialties: My specialties are security analysis, directory services programming, and storage networking design and implementation. Author of SANS whitepaper "Analyzing Network Traffic with Basic Linux Tools" Top Secret/SCI (a.k.a. TS/SCI) clearance MCSE Security, CISSP, GCIA, C|EH, Security+

$50.00 /hr
2 hours

Sebastian Castillo Builes

Sebastian Castillo Builes Agency Contractor

Python Web Developer with security backgrounds

Colombia - Tests: 3 - Portfolio: 2

I got 7 years of experience developing python applications with special skills with Django, Google Appengine and WSGI frameworks. I love to work using scrum like methodologies, manage user stories with pivotaltracker, I really <3 TDD and Continuous integration with Jenkins or CIJoe, run tests with nosetests and when necessary BDD using letucce. I love github ( I have experience leading small development teams and designing high concurrency software architectures (1200 hits per second, 2M registered users apps) I have experience as sysadmin of GNU/Linux, Unix servers and AmazonEC2/Rackspace Cloud instances. I love Debian based linux distributions and have collaborate some security related packages to Debian Project. My core competences are innovation, creativity and specially to build and share knowledge as a team. I'm starting up my own company which it's called Nuage ( We offer the service of platform (PaaS) for the Python community so they do not have to worry about scalability and deployment.

Associated with: Da soft, staunchRobots Agency

$55.56 /hr
439 hours

Shahzad Rana Younus

Shahzad Rana Younus

CISSP/Cloud Expert/Technical Writer/Tableau/Project Manager

Pakistan - Tests: 4 - Portfolio: 2

I am certified, experienced and seasoned IT professional. Over the past 14 years, I have accumulated a vast range of experience which entails me to tackle most IT situations I encounter quite easily and efficiently. If you want the work done related to IT, I am the guy to hire. If still skeptical, have a look below at my achievements. Progressive experience with administration, and directing a broad range of Corporate IT initiatives & business focused solutions using leading ICT technologies with industry best practices and standards. Specialties: IT Security and Infrastructure development (CISSP - Certified Information Security Professional - Member ID 302621) ITIL Foundation, COBIT 5 BI Tools - Tableau / QlikView Business Continuity & Disaster Recovery Planning Network Administration and Database Management CISCO Networking Virtual/Cloud Computing Network security and Server Administration Technical Writings SEO/WordPress/WHMCS LinkedIn profile:

94% Job Success
$12.50 /hr
122 hours