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  1. Panayotis Tsiamis

    Panayotis Tsiamis

    Senior Systems and Software Engineer

    Greece - Tests: 7 - Portfolio: 14

    Systems and Services Engineer, with 12+ years of working experience. Interested in researching, administrating, debugging, tuning and developing platforms running on UNIX like Operating Systems. Able to troubleshoot, identify and solve problems in software, network or kernel layer. Always willing to learn and experiment new technologies for creating high availliability platforms, that could described as "state of the art" or "cutting edge" technology. Specialties: • Unix Like Operating Systems Specialist (Solaris / Linux ). • TCP/IP Network technology • Very deep level of knowledge on Machines hardware and OS Kernels internals. • Troubleshoot/Tune/Debug; System Services, Operating Systems • Mail Services Expert, Qmail-Ldap Specialist. • Network: Cacti/MRTG, Nagios, Cisco Netflow • Databases: PostgreSQL / MySQL / Oracle / LDAP. • Programming: Perl, Ansi C, bash, awk, sed, php etc • Internet Services: mail, http, radius, ftp, ssh, irc etc.

    $30.00 /hr
    445 hours
    0.00
  2. Prakash G.

    Prakash G.

    System and Network Admin

    Nepal - Tests: 7 - Portfolio: 1

    As a System and Network Administrator I have worked more than 6 years .I am Certified RHCE(5.1),CCNA,MCSE(windows server 2003). I am experienced in both Windows and Linux Environment , Routing and Switching ,Cisco Security ,Voice ,Virtualization. Fields and Technologies which i have worked on . 1. Linux/Unix,Debian Server setup ,troubleshoot and maintenance (Mail,DNS,DHCP,SQUID,Gateway,NMS,Samba ,LDAP,Webserver etc .). 2.Windows server Setup ,troubleshoot and maintainance (AD,DNS,DHCP,Routing and Remote Access ,Security ,IIS,Mail, etc) 3.Router and Security (routing (RIP,OSPF,EIGRP,BGP) Switching (VLAN,Trunk ,STP,Intervlan Routing etc) Access list ,NAT,PAT) 4. Virtulization (VMWARE ESXI (4/5),Xen ,VMWARE SERVER,HYPR-V). 5.VOICE (Cisco CME ,ASTERISK ,Go-Autodial,Elastics,Trixbox,) 6 .Linux Security .(IPTABLES ,SNORT, etc). 7.Backup (Amanda,Zimanda ,Rsync,HP Dataprotector ) 8.System Tools (Solarwinds,HP SIM,SUM)

    Groups: Microsoft Certified Professionals

    $11.11 /hr
    42 hours
    4.28
  3. Nityanand Shet

    Nityanand Shet

    Software Professinal having 6 years of industry experience

    India - Tests: 3 - Portfolio: 1

    I am a software graduate having 6 years of industry experience in Telecom software development,design,implementation and technical support of the product. So far i have handled multiple roles based on need and still in continuation of the same. Having good amount of knowledge on IP based products over TCP/ UDP. Also having knowledge of HTTP,HTTPS protocol where it plays important role in today's mobile data world. Also i take care customer interaction and resolving their issues with respect to linux , GUI, application and data traffic.

    $3.33 /hr
    0 hours
    0.00
  4. Muhammad Rajibul Mukit

    Muhammad Rajibul Mukit

    System / Network Administrator

    Bangladesh - Tests: 2 - Portfolio: 1

    For expert and experience you should hire me as a system administrator or network administrator for your valuable projects. I have a great work experience of lunux Debian, Redhat, Fedora, Amazon cloud AWS EC2 server, amazon cloud RDBS, Rackspace cloud server, Digital ocean cloud server, VPN, CISCO routers and switches, virtual box, VMware, Mikrotik router, Linux Quagga router, HTML, PHP, shell scripting, Windows 2003, 2008 with exchange 2003 and exchange 2007. I have also many years practical experience of linux DNS, Proxy, Mail, Virtual web, FTP, VPN, SAMBA, NFS, NTP, Virtual machine, Mysql and many web based application. I am always ready to start with your journey of projects.

    $5.56 /hr
    23 hours
    5.00
  5. Samuel M.

    Samuel M.

    Linux/BSD/VoIP/Network Engineer

    France - Tests: 6 - Portfolio: 5

    Graduated from EPITECH in 2011 (BS/CS bachelor). Spent 3 years patching FreeBSD and writing video-related tools for CamTrace S.A.S. The next 4 years as a sysadmin in Smile - OpenSource Solutions. Writing puppet modules and administrating my own OpenNebula cloud ever since. Contributed to projects such as ntfs-3g, ansible, pakiti3, newznab, dialog, linux-counter, ... I may help you dealing with: VoIP: Asterisk, FreePBX, Elastix, AsteriskNow, TrixBox, Security & Tuning Network Administration: Cisco, HP, Dell, GRE/GIF, IPSEC (racoon, openswan, isakmpd, iked), OpenVPN System Administration: Linux, BSD Network Monitoring & Management: Zabbix, Nagios, Icinga, Shinken Network Supervision: Munin, Collectd, MRTG, PHP-Weathermap, Pakiti, Kibana, Graylog, Logstash, OSSEC, rsyslog & syslog-ng Mail services: Postfix, Sendmail, OpenSMTPd, Exim, Dovecot, Courier, Cyrus, Spamassassin, OpenDKIM, BlueMind & Zimbra Virtualization: Qemu/KVM, OpenVZ, libvirt, Xen, vmware High availability: VRRP, CARP, ifstated, HAST, ceph Common services: DNS, DHCP, File Sharing, NAT, iptables, ipfw & pf Scripting & Languages: sh, bash, python, perl, php, javascript, nodejs, C, C++ DevOps: puppet, ansible Web caches: squid, varnish Web servers: Apache, Nginx, Lighttpd Database servers: MySQL, PostgreSQL, MariaDB, MongoDB, Redis, ActiveMQ, Elasticsearch, ...

    $30.00 /hr
    66 hours
    5.00
  6. Dipesh S.

    Dipesh S. Agency Contractor

    Expert In Python/Django, Linux, PHP,ERP / CRM Implementation, EDI

    India - Tests: 5 - Portfolio: 3

    Over the last 6 years, I have developed wide range of open source software’s and customization for start up companies and small businesses. I provide the complete (predefined and custom defined) open source solution for each and every type of business with customization according to their work/business. I Will work with my team. Let me describe my skills. OpenERP :- 1.My expertise are in the field of Open source ERP such as OpenERP, OpenBRAVO, Open EduCat ERP, FrontAccounting, ERPNext, Tryton and Other Well Known product in market with having 2-3 of work experience in the reptated organization . Work in such organization helped to understand the Business Process of various industries like Manufacturing ,Retail etc. 2.Implemented more than 20-30s OpenERPs at client server along with the INTEGRATION ,CUSTOMIZATION, MIGRATION, DEVELOPMENT and PROFESSIONAL TRAINING. 3.I have implemented the efforts with different flavors, proven track record of delivering creative and cost-effective solutions with High Availability and Linux maintenance/troubleshooting in Linux (CentOS, Redhat, Ubuntu, Debian, Fedora, Suse. etc),Solaris, Veitas, SAN in ECM and Hitachi, Volume Manager, like Veritas, and SVM, Windows Server, VOIP Solution and Database Management. EXPERIENCE :- Have 5 year of experience in OpenERP. LINUX :- Linux: LAMP system administration, HTTP/HTTPS, DNS,FTP, NFS, SMB, SMTP, SSH, NTP,iSCSI, , natd, ipfw, pf, iproute2, RIP, OSPF, BGP, Asterisk, FreePBX, SIP, H323, ffmpeg, Vlc Quagga, Adobe Media Player, Red5, FFMPEG, SSL, ACL. Database management like MySQL, MySQLCluster, PostgreSQL, Oracle 10g databases, Oracle Application Server. Web Server like Apache, Nignix, Tomcat, Squid, Proxy, VPN, DNS, Zimbra, Cluster, Monitoring tools and Alerting system such as Nagios, Cacti, MRTG, Zimbra, xdmcp, vnc, rdp. Virtual Environment like vmware, OpenVZ, KVM, XEN, QEMU. EXPERIENCE :- Have 5+ year of experience in LINUX. My core competency lies in complete end-end :- 1. Open Source Installation, Development, Customization and Support 2. SAN in ECM and Hitachi, and Volume Manager, like Veritas, and SVM 3. Tools/Packages/Software development in Java, Ruby on rails, Perl, python 4. Asterisk & Freepbx, A2Billing, Calling Card Solution and ivr solution. 5. Linux Server Security, Vulnerability Scanning and Penetration Testing. 6. Administrate VPS and dedicated Server. 7. Administrate LAMP (Linux, Apache, Mysql, PHP) Server. 8. Apache: Audit, performance and load balancing. 9. Automated MySQL database backup. 10. PHPMyAdmin MySQL database manager. 11. Setting up MySQL replication (Master-Slave,Master-Master,...). 12. Install and configure Mysql Cluster for Ubuntu,Redhat,Centos. 13. Mail Services like Postfix,dovecot, Sendmail etc. Also worked on Panelslike Plesk, webmin, Cpanel Directadmin etc. 14. Install and configure virtualmin (Migrate website,migrate databases,...). 15. Install and configure wordpress,drupal,theme,... (windows,linux,...). 16. Application Development in php, cms, Joomla, wordpress. 17. Web Performance, Security & penetration Testing. 18. Expert in Stock Mining and data mining and familiar with the following Concepts/algorithms Noise/Outier Removal,Signal processing, Data stream processing, Classification, Clustering Prediction. WEB SCRAPING :- 1. I have high skills in Web Scraping and have a lot of good libraries in PYTHON. BeautifulSoup module is good for parsing HTML/XML files and its possible to extract everything from the web pages. Also urlib2 is good module for fetching the web pages. Our libraries is able to bypass the security issues such as intrusion detection systems (by changing the outgoing IPs, handling sessions, user/pass logins) and also use multiple web/socks4/socks5 proxies. 2. MOST IMPORTANT FEATURE of my skills is that i can give you unlimited number of proxies.i can develop a program that is able to change its outgoing IP address without using web proxies PYTHON / PHP :- 1.10 + year of experience in PYTHON,PHP, HTML, JavaScript ,MySQL. 2.Familiar with all kind of algorithms in Pattern Recognition and Machine Learning fields. 3.Expert in Artificial Intelligence ,Stock Mining and data mining and familiar with the following Concepts/algorithms Noise/Outier Removal,Signal processing, Data stream processing, Classification, Clustering Prediction. 4.Have good experience in FLASK and DJANGO. Thanks & Regards, Dipesh Sahni

    Groups: Crossrider, PHPFox

    Associated with: Genpex IT Solutions, Dipesh Sahni Agency

    $27.78 /hr
    1,287 hours
    4.83
  7. Kashif Siddique

    Kashif Siddique

    Linux Systems Administrator

    Pakistan - Tests: 2 - Portfolio: 6

    Linux Systems and Security Engineer with more than 2 years of experience in Information and Communication Technology Industry. Results-driven ICT professional, technical specialist in the area of OS/Networking/Security/Monitoring/Storage/ Systems Administration”. Highly motivated Graduate in BS-Telecommunication and Specialization in Data Communication, professional skilled and experience in Open Source Systems Administration, troubleshooting, analyzing and resolving complex technical problems of hosted servers to provide reliable services. Collaborated with company staff to optimize working environment and customer services. Collected information through clients to identify and report product problems. Strong analytical skills; able to work with technicians from various engineering disciplines to troubleshoot complex system-level issues.

    $10.00 /hr
    0 hours
    0.00
  8. Neil Patrick Goc-ong

    Neil Patrick Goc-ong

    Network - Technical Support 3

    Philippines

    I am currently employed as a Network Technical Support Specialist 3. I have 8 years experience as an IT professional. I am proficient with networking as I have been working for the past 8 years as a technical Support, network administration and system administration. I have advance knowledge with Cisco devices such as Layer 3 and Layer 2 devices and 3COM devices from deployment to management. I have a proper training with Cisco Wireless and Aerohive Wireless devices and I would consider myself as well versed from deployment to management of those devices. I have an advance knowledge with Juniper SSL VPN from configuration, management and maintenance since this is what I am doing most of the time in my work. I am a team player, a hard working, an honest and a fast learner person. I am also a dependable person and that I can finish the task assigned to me.

    $15.56 /hr
    0 hours
    0.00
  9. Asif Taj

    Asif Taj

    Asif's Portfolio

    Pakistan - Tests: 4

    Total Experience : 4-5 years. Currently working as Data Core Network (IP-MPLS/NSS) Engineer in MOBILINK Pakistan. CORE SKILLS: - Professional Track Record in Engineering Rollout of Fixed ADSL Access, IT Network, Radio Access & Transmission Network, GSM/GPRS/WiMax IP/NSS Data Core Network Implementation, Operations and Quality Assurance - Efficient Project Management while providing Deliverables in squeezed resources and time constraints - Enriched Presentation skills using Microsoft Office/Visio and statistical data efficiently - Efficient Interdepartmental coordination skills to achieve project deliverables - Technical Analyst for Material/Services procurement, Suppliers & Vendor development - Complete understanding of Radio Access Network, Fixed IP ADSL Network, LAN/WAN/VPN Technologies & Systems, BGP, MPLS - Improving QOS KPIs in coordination with other Departments - BSS O&M (Access Network & Transmission) expertise, IT Network Implementation, LAN/VPN & WAN Support/Operations - Leadership, Team & Customer Satisfaction Management - Service Mangement & Complaint Managment - Able to work in squeezed & constraint timelines efficiently

    $7.78 /hr
    0 hours
    0.00
  10. Shamim Ahmed

    Shamim Ahmed

    System & Network Administrator

    Bangladesh - Tests: 6 - Portfolio: 1

    Experienced in Linux maintenance/troubleshooting (RHEL, Centos, Debian, Ubuntu), Virtualization: (VMware, Xen, KVM), Cloud hosting (Amazon EC2, AWS, S3), Networking (DHCP,FTP:pureftpd, DNS:PowerDNS/bind/named, Proxy: Squid, VPN: openvpn/pptp,l2tp,IPSec,SSL Firewalls: iptables/ipfw,Shorewall, QoS, Proxies), Web servers (apache, nginx, lighttpd, tomcat), Mail servers (MS Exchange, Exim, Postfix, MDaemon, Anti-spam/ Antivirus: Clamav/Spamassassin/Amavis, Courier, Dovecot, Dkim, SPF), Automation (puppet, perl/shell/awk scripting), Monitoring (Cacti, MRTG, Munim, Nagios, Zabbix), Hosting Panels (Cpanel/WHM, Plesk, Directadmin). OS: Windows Server, MacOS, Linux, Mikrotik etc.

    $8.11 /hr
    0 hours
    0.00