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Last updated: September 1, 2015
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  1. Lohith M.

    Lohith M.

    Network Security and Server Support Expert

    India - Tests: 2 - Portfolio: 1

    Self-directed and motivated technically with 9 months of experience in windows server web hosting, database backup and restoring website maintaining along with network security. Excellent at maintaining client/server applications, network security and web application patching. I am hardworking and result oriented a fast learner with good communication skills with a strong security background.

    $3.67 /hr
    0 hours
  2. Shamim Reza

    Shamim Reza

    Linux System/Network Administrator & Security Specialist

    Bangladesh - Tests: 5 - Portfolio: 5

    Over 5 years of experience on Linux server installation, configuration, troubleshoot & Security hardening. Areas of my expertise are: Corporate Email Solution:  Redundant Zimbra Email server with high available clustering (DRBD + Heartbeat) with Multiple Domain.  SMTP rotating with Sendmail & Postfix service for sending bulk email with DKIM.  Troubleshooting of system & service failures, log analysis, recovery and rescue of Mail Server. Monitoring and Log Analysis of System & Network:  Installation, configuration and customization of monitoring tools Nagios & Icinga for monitoring different services, process on Linux & Windows server and Network devices with automated reporting, custom notification, etc.  Installation, configuration and customization of Central Syslog server with Mysql Database & Web-based Loganalyzer, for Windows & Linux based production server and Network devices with reporting & custom notification.  Configured MRTG & Catci for network bandwidth utilization.  Configured NTOP, IFtop, Darkstat, Sqstat, Squint, etc services on Gateway server to check out the network flow.  Configured AWStats, PHPSysinfo, etc to check out the detailed Email log & System information. Web Service:  Installation, configuration & administration of LAMP Server.  Installation, configuration & customization of Nginx as Webserver & reverse proxy server. System Security:  Configured Squid proxy server with advanced ACL for user restriction.  Customize PAM for advance level user authentication related with services.  Configured & customized system firewall rules with IPtables & TCP Wrapper.  Customize SUDO for system administration.  Installation, configuration & customization of IDS & IPS (PSAD, CSF, Snort, etc.)  To scan and report generate on network & system vulnerability - BackTrack & Kali Linux OS.  Web Application pen-testing – Samurai Web Testing Framework Misc System Services:  Implementation of Cron jobs and automated backup policy.  MySQL Replication, Backup and Recovery using scripts.  Installation, configuration and customization of Linux based SFTP & SAMBA server.  Configuration & administration of Radius server for Authentication, Authorization & Accounting.

    $3.33 /hr
    0 hours
  3. Andrei Castillo

    Andrei Castillo

    Certified Cisco Network Engineer - Network/Security/Systems Engineer

    Philippines - Tests: 3 - Portfolio: 2

    Currently working as a Network Test Engineer / Quality Assurance Engineer testing Allied Telesis software. Using my 10+ years of experience in networking, security systems and servers, I am looking for a company where I can contribute my skills. Previously a Senior Network and Security Engineer worked for Toshiba Storage Devices(previously Fujitsu Computer Products Corporation) where I gained hands-on experience in handling different network devices, security systems and servers(Linux and Windows) installation, management and implementations.

    $5.00 /hr
    0 hours
  4. Heshantha Fernando

    Heshantha Fernando Agency Contractor

    Network Engineer, Security Specialist, System Admin and DB Admin

    Sri Lanka - Tests: 15

    I have over 12 years of experience. Always with 'Can Do' attitude. When it comes to my expert areas of IT, I'm capable of accomplishing anything. I'm also a fast learner. Network Engineer: -Experience on Configuring, Troubleshooting and Optimizing Routers, Switches (L2/L3), ASA Devices, Load Balancers, PIX Firewalls etc. etc. With following certifications (CCNP R&S, CCNP Security) Security Specialist: -I have done a lot of projects as a Security Consultant. Having experience in conducting Vulnerability Assessments, Penetration Testing and also I have done Server/ Network Hardening against threats, Designing, Implementation and Maintenance of security policies, Conducting Forensic Investigations etc. etc. I'm having Certified Ethical Hacker (C|EH), Computer Hacking Forensic Investigator (C|HFI) and EC-Council Certified Security Analyst (E|CSA) Certifications Proficient in ISO 27001:2013 security audits and Certified Lead Implementer for ISO 27001:2013 System Administrator: - Windows Administration experience of mine goes back to Windows NT 4. Since then I have been Implementing, Administrating & Troubleshooting Windows Servers. - I have experience in HP-UX, Red Hat RHEL5/6 CentOS5/6 administration. Database Administration: - Implementing, Administrating & Troubleshooting Microsoft SQL Server 2008/2012. I have started DBA tasks back in SQL server 6.5 days. - Experience on DBA tasks on Oracle 8i, 9i, 10g and 11g. - Experience on DBA tasks on MySQL 5.0/5.5. IT Disaster Recovery: Have experience in identifying vulnerabilities and taking appropriate countermeasures to prevent and mitigate failure risks. Including taking enterprise-wide approach to develop disaster recovery plan, assessment of risks, developing policies and procedures, implementation the plan and recover from a disaster. I'm a EC-Council Disaster Recovery Professional (E|DRP)

    Associated with: Intek Services, Intek Services

    $25.00 /hr
    12,825 hours
  5. Alonso Barden

    Alonso Barden

    Senior Network and Security Architect (CCIE, JNCIP, PNCSE6)

    United Kingdom - Tests: 3

    +15 years working in Networks and Security in over 25 countries for Fortune 500 companies. Across many different vertical markets, including Investment Banks, ISPs and Government contracts, I've had the pleasure of designing and deploying all types of networks, from the simplest to the most complex. Thanks for looking at my profile. Cheers Alonso

    $30.00 /hr
    0 hours
  6. James N.

    James N.

    Ip and Network Security Engineer (Ccie, Juniper,Hp, Extreme,Mikrotik)

    Kenya - Tests: 1 - Portfolio: 1

    Network Planning, Core Network Design, Edge-Edge Network design, Switching - Core Design, Switching-Vlan design, Switching - Stp Design, Layer 3 Switch Configuration, Diagramming - using Visio, Wireless - Controller and Wap Configuration, Wireless - Wap and Placement, Monitoring - Configuring Network and Server Monitoring, Network Cabling. Ip/Mpls network implementation and traffic routing, Bgp and Ip/Mpls traffic engineering, Updating Ripe database, Setup of regional network Pops( Cisco/Juniper), setup and support of network management systems(Cacti, Solarwinds, Tacacs, syslog server, rancid server), Core and Access network documentation, Provisioning of new access network links(Data and internet links on Gpon, Wimax and on Metro). Network security in the core and access network. Client Ip Network integration (VPN, P2P, Wireless hotspot, Fail over Solutions), Installation of Vsat (C-Band, Ku – Band, Ka-Band), Technical network support, Preparing technical drawings and technical proposal documents for projects, Network server administration and support (Mail server, Proxy server, File storage server), Administration and management of network monitoring tools; Cacti, Solarwinds and others.

    $16.67 /hr
    0 hours
  7. Rinat T.

    Rinat T.

    Software developer and server administrator

    Kyrgyzstan - Tests: 13 - Portfolio: 2

    I'm a skilled software developer and system administrator. Short: — 5 years of Linux System administration — 7 years of PHP and web development Love to code, administer, find vulnerabilities and just make things work. Long: I have software development experience over 7 years including web development on engines like Wordpress, Joomla, DLE and system software on bash/perl/C++. I started to develop web with HTML, PHP using CMS. After that developed web software and applications for ISP under linux on Perl/C and PHP5 where I got system administration skills and networks knowledge. I planned and created server infrastructure on Linux Xen Virtualization (including corporate E-Mail, DNS, Webservers) with Zabbix monitoring with sms-notifications for my current job. I have a Bachelors in Software Engineering from American University of Central Asia, in Bishkek, Kyrgyzstan. Listed below are my experience and skills. — PHP: OOP, MVC — Javascript frameworks: JQuery, mootools — Core web: XML, JSON, HTML/CSS, JavaScript, AJAX — Linux: Debian, Ubuntu, Gentoo, Xen, VMware, Zabbix, Bash, Apache, Nginx, CPanel, Bind, Mail, iptables, ufw — DevOps: Jenkins — Security: Kali Linux, XSpider, nmap, Metasploit Framework, penetration testing — Databases: MySQL (and MariaDB), Oracle — Windows: Windows 2000/XP/7/8 — VCS: Git, SVN — SQL

    $16.67 /hr
    66 hours
  8. Arseniy C.

    Arseniy C.

    GNU/Linux system administrator

    Russia - Tests: 7 - Portfolio: 1

    Hello, my name is Arseniy Chernyakov. I have four years of experience in the field of professional system administration (small & medium office networks, 2000+ hosts university network, 3000+ hosts worldwide corporate network), network planning, server, website and database administration. As a professional, my #1 goal will always be to meet your needs and deadline. When working on a new project, I like to speak with the client, so that I can have a clear understanding of his/her needs and vision of the project. I have 8 research publications on the subject of backup mechanics and algorithms, network security, highload systems and cryptographic protocols. Please take a look at my work history for comments from other clients, as well as oDesk test results. Thank you in advance for your time and consideration. I look forward to working with you soon. Listed below are my experience and skills: * OS: Windows Sever 2003, 2003 R2, 2008, 2008 R2, 2012; Windows XP, Vista, 7, 8; Debian 5-7; Red Hat Enterprise Linux 6, 7; CentOS 6, 7; Ubuntu (desktop 10.04-14.04, server 12.04-14.04); Arch, Slackware, Gentoo; Mac Os X * Coding: Python, C/++, bash, powershell, HTML/CSS/PHP, SQL * Stacks: LAMP, WAMP, Denver * Web servers: Apache, Nginx * Databases: MySQL, PostgeSQL, Micosoft SQL (MSSQL) Server, Oracle database 12c+ * Backup services: Bacula, BackupPC, Amanda, Windows Backup (wbadmin), self-written scripts * VCS: Git, SVN * Domain administration: Active Directoy, FreeIPA (RedHat IdM), Samba * Mailservers: Postfix, Dovecot * Mail tech: spamassassin, SPF, DKIM, MailScanner, greylisting, un-blacklisting * Netwok secuity: fail2ban, snort, Sqiud, ClamAV * Amazon: EC2, ELB, S3, VPC, CloudFront, CloudWatch

    $20.00 /hr
    38 hours
  9. Girish V.

    Girish V.

    Perl,node.js and TCP/IP networking expert

    India - Tests: 7 - Portfolio: 4

    Girish is a seasoned UNIX professional with rich networking experience working with protocols, low level protocols encoding, solving tough interop issues, reading RFCs, implementing standards, working on e-mail spam control, mail servers, firewalls etc. Also have excellent node.js and jquery skills. I am also experienced in MEAN, mongodb, facebook integration, oauth2 et al Specific expertise is on OpenBSD, perl coding, C and web technologies such as jQuery , javascript and products development. Familiar with IPsec, L2TP, OpenVPN, PPTP VPN technologies, spam control, email technologies. Also experienced in security areas, crypto, algorithms and UNIX environment's challenges and technologies. A systems programmer with high focus on programming correctness and efficiency.

    $44.44 /hr
    302 hours
  10. Vsevolod Z.

    Vsevolod Z.

    Python developer, Infrastructure Expert

    Ukraine - Tests: 7 - Portfolio: 2

    Computer Science Master, since 2000 successfully held positions of * Web Applications architect, Python developer and security expert; * Chief Technology Officer (CTO), * Chief Information Security Officer (CISO), * IT manager; System analyst, Solutions architect, Advisor; * UNIX systems and networks engineer (16 years of experience); Specialties Networks architect (MPLS, VLAN, internal routing protocols, BGP), UNIX OS family, Juniper/Cisco network equipment, Firewall, Network and software security (covering Payment Card Industry Data Security Standard), Network services monitoring, Backup solutions, LAMP/FAMP/BAMP/LNMP/FNMP/EBLAMP/XAMPP/XNMPP servers, Database administration, DNS, MTA, Software development, Web applications, Cloud computing, Virtualization, Load balancing and High availability clusters solutions. Practically experienced in programming (since 1993). Good knowledge of the common programming languages: C, PHP, PERL, Python, Javascript, SQL. Familiar with OOP (object-oriented programming), general theory of programming (can quickly learn any new programming language).

    $50.00 /hr
    750 hours