TCP/IP Freelancers

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TCP/IP Job Cost Overview

Typical total cost of Upwork TCP/IP projects based on completed and fixed-price jobs.

Upwork TCP/IP Jobs Completed Quarterly

On average, 14 TCP/IP projects are completed every quarter on Upwork.

14

Time to Complete Upwork TCP/IP Jobs

Time needed to complete a TCP/IP project on Upwork.

Average TCP/IP Freelancer Feedback Score

TCP/IP Upwork freelancers typically receive a client rating of 4.61.

4.61
Last updated: June 1, 2015

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  1. Oleksandr N.

    Oleksandr N.

    Senior System Administrator, Migration and Security L3 engineer, SSD

    Ukraine - Last active: 1 day ago - Tests: 20 - Portfolio: 16

    YOUR POSITIVE FEEDBACK IS THE HIGHEST AWARD FOR ME ;) Will do my best to assist you in any questions and tasks you may have =) Here is some info about my experience. SUMMARY Specialties: Information Technology / Internet / IT Division / Computer security/ Internet Services / System Administration/ Webmaster Support / Web Analysis/ SEO / SEM / Internet Marketing Web hosting services (SSD hosting solutions) EXPERIENCE: d(-_-)b Linux/Windows system administrator, Operations team EuroVPS/WebDomSolutions January 2012 - May 2013 Greece, Athens Responsibilities: - Tickets; - System administration and monitoring. Theoretical and practical skills: - Operating Systems: RedHat/CentOS/Fedora, Debian/Ubuntu, FreeBSD, Windows Server 2003/2008; - Virtualization: Virtuozzo, OpenVZ, VMware, Onapp Xen, Apache CloudStack; - Setup/configuration: nagios, kayako, racktables, confluence, observium, nginx, php-fpm, liteSpeed, Apache CloudStack, Hostbill, WHMCS, redmine; - Control panels: Plesk, WHM Cpanel. - Database Administration: SQL Server, MySQL, MariaDB ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ <( -'.'- )> freelancer SEO freelance October 2010 - March 2012 (1 years 6 months) ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ o(^_^)o System Administrator / Techsupport Webintellects/Webhostgian/Jumpline/Webdomsolutions November 2010 - March 2012 (1 year 5 months) US, Ohio Responsibilities: - Live Chat support, Tickets; - System/Server/Control Panel administration; - Nagios monitoring; - Internet research and work with technical documentation. Operating Systems: * RedHat/CentOS,Fedora * Windows server 2003/2008 * VPS setup and configuration (Parallels Virtuozzo Containers); Advanced theoretical and practical skills in such areas: - Operating Systems: RedHat/CentOS/Fedora, Windows server 2003/2008; - Virtualization: VPS setup and configuration (Parallels Virtuozzo); - Security: Advanced knowledge of Linux security, Firewalls ( IPtables, CSF, APF, BFD, Fail2Ban), Encryption ( SSL), SSH, Host Security Auditing; - Software: Apache servers (versions 1.3.x/2.2), DNS (BIND 9), QMail, Sendmail, exim, LAMP, Plesk/Exim/Cpanel (installing/upgrading/maintaining), Drupal, Wordpress, Joomla, OsCommerce applications, Yum/RPM usage; - Database Administration: SQL Server 2003/2008, MySQL, MS access. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ b(^_^)d Internet Marketing Specialist || Web Analyst DCoM Soft, Inc. December 2009 – August 2010 (9 months) Responsibilities: - Internet Marketing strategy and tactics - Information architecture and Web site content planning - Research of partners - Internet Market Research - Research Usability Design - Online promotion of company's web-based products Skills: - Search Engine Optimisation (SEO) - Paid online Marketing / Pay per Click Management (PPC) - SEO Copywriting/Editing - Social Media Optimization and Marketing (SMO/SMM) - Experience running USA-targeted social Marketing - Writing press releases - Social networking (Twitter, Facebook, Google follow etc) - Google Products, AdWords/AdSense, Google Analytics, Webmaster tools, Google Merchant, etc. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ \(^_^)/ Customer Relations Representative || Advanced Technical Agent Ecommerce, Inc. May 2007 – October 2009 (2 years 6 months) Responsibilities: - Sales, billing and technical support in solving problems reported by clients; - Chat, helpdesk system, correspondence; - View, Adaptation, "repair" clients' sites; - Basic server/service diagnostic and reports to sysadmin department; - Internet research and work with technical documentation; - Work in team. Basic theoretical and practical skills in such areas: - Linux / Unix OS, Windows server 2000/2003, Windows XP/98; - Servers: Apache, bind, sendmail, ProFTP, MySQL, SQUID / SOCKS, MSSQL, Samba; - Easy coding: PHP, PERL / CGI, HTML, JavaScript, CF, ASP,. NET, C + +; - Widely used protocols (HTTP, HTTPS, SMTP, POP, IMAP, FTP (s), TCP / UDP, etc); - HSPHERE control panel (versions 2.3 and 3).

    $34.88 /hr
    1,242 hours
    5.00
  2. Roman T.

    Roman T. Agency Contractor

    UNIX and security expert, network and system administrator

    United States - Last active: 9 days ago - Tests: 9 - Portfolio: 3

    I offer the following key services: o Network and System Administrator Services o Information Security Services o IP-PBX and VoIP softswitchs: installation and maintenance o Software development: Web, desktop and server applications o SEO o Complex solutions for business-process automation Core Competencies o Network and System Security o Data Integrity and Recovery o Analysis and Planning o Risk Assessment and Cost Benefits Analysis o Research and Development o Project Management Experience Platforms: IBM, Sun SPARC, MikroTik, Cisco, Huawei, D-Link, Edgecore. OSs: UNIX (FreeBSD, OpenBSD, *BSD, Solaris), Linux (Debian, Ubuntu, Gentoo, Red Hat, SuSe, uLinux, ASP, Mandrake, Fedora Core), CiscoIOS, MikroTik Router OS, VRP (Huawei), Windows 95/98/NT/ME/200/XP/2003/Vista/7/2008. Languages: C/C++, UNIX Shell Scripting (Shell, sed, awk), Delphi (Pascal), Perl, PHP, SQL, T-SQL, Assembler (Intel and AT&T SysV/386 syntax), GTK+ applications, Erlang, HTML, CSS, JavaScript, JQuery, XML, XSLT, DTD. Databases Engines: PostgreSQL, MySQL, Oracle, SQLite, Mnesia, MS Access, Sybase, DB2. CMS: WordPress, Bitrix, osCommerce, Joomla, RoundCube. Panels: CPanel, Plesk, ISPManager, Webmin. Networking: TCP/IP, ISO/OSI, IPv6, Ethernet, VLAN (dot1q), ARP, VRRP, CARP, MPLS L2, MPLS L3, STP, GVRP, PPPoE, VPN, PPTP, L2TP, IPSec, OpenVPN, SNMP, SSH, XMPP, SIP, h323, BGP, OSPF, RIP, IRC, AJAX, Netflow.

    Associated with: IntLös

    $35.00 /hr
    275 hours
    4.92
  3. Hassan Zaheer

    Hassan Zaheer

    HFC Cable Broadband Consultant

    Australia - Last active: 12/21/2013 - Tests: 1

    Over 14 years of extensive IP core and Data Center experience with Broadband ISPs; includes building an ISP, plan and deploy IP network core services and Data Center Virtualization. Core integration of IP and mobile networks are one of the key work areas. 8 yrs. of technical project management experience with outstanding project planning, execution, monitoring and resource balancing skills with ability to support multiple simultaneous projects in a matrix organizational structure. Technical Pre-Sales - coordinates closely with internal sales, sales support, and service resources to align solution design with customers’ business requirements. Design and deployment of Data Center infrastructure, server virtualization (HA enabled vmware clusters) for enterprise and meeting the demands of corporate customers. Deployment of large scale IP networks such as Broadband Cable network (HFC DOCSIS 3.0 delivering 100 Mbps speeds to customers), wireless and fiber networks. Designed and implemented large IP camera surveillance projects based on Pelco and Axis IP camera solution, also configured video analytics. Deployed Video on Demand (VoD) service on SeaChange Multiverse platform and devised billing mechanism. IPTV OTT setup using Adobe Media Server and multiple tools for streaming transcoding and RTMP stream ingest. Working experience includes Cisco routers, Layer 3 switches, Cable Modem Termination Systems (CMTS), Cisco and Juniper firewalls, VPN, BGP, OSPF, MPLS, Multicasting. Also have very good system administration skills on Red Hat Linux, Solaris and Windows. Consolidated several servers in few vmware ESX virtualized environment. Intensive experience on Blue Coat product line including PacketShaper, CacheFlow. PROJECTS o Migration of Broadband Internet services (DOCSIS 2.0 ) from BigBand CMTS (CUDA 12000) to ARRIS Cadant C4 CMTS DOCSIS 3.0 (Headend and HUB) o Responsible for integration of CRM (Customer Relationship Management) system with Incognito BCC (DOCSIS provisioning system) for Broadband, CATV, IPTV and VoD customers. o End-to-End IPTV project, designed and setup OTT video streaming for clients in Canada using Adobe Media Server 5, direct ASI feed was encoded and then Transcoded to H.264 for streaming over RTMP to AMS. IPTV clients are android boxes using either customized application using librtmp or customized version of XBMC. o IPTV OTT setup using USTREAM and TikiLIVE CDN, for clients on Europe. I’m considering using ZIXI protocol (zixi.com) to compensate the internment bandwidth issues and it works amazingly well on low bandwidth has feature like advanced FEC. o VMware Data Center migration of 50 plus servers from stand-alone hardware servers to HA vmware vSphere 5 HA cluster environment. o Deployment of Frontporch platform for targeted browser based notification based on user behavior. Also have industry certifications VMware Certified Professional 5 - Data Center Virtualization VCP5-DCV, PMP (Project Management Professional), OCP (Oracle Certified Professional), Oracle Solaris 10 System Administrator Microsoft MCSE, Juniper Networks, JNCIP-ENT (Enterprise Routing and Switching Professional), JNCIP-SEC (Security, Professional)

    Groups: Microsoft Certified Professionals

    $50.00 /hr
    0 hours
    5.00
  4. Dmitry Donskoy

    Dmitry Donskoy Agency Contractor

    systems administrator

    Ukraine - Last active: 6 days ago - Tests: 14

    I'm looking for a remote fulltime job in these fields: 1. *nix/networks (little experience). Any price. 2. Technical support. 5-7$/hr. 3. QA (little experience). Any price.

    Associated with: ServerIssues.com

    $5.56 /hr
    26 hours
    4.87
  5. Md Probal Rahman

    Md Probal Rahman

    Network, Firewall and Linux Systems Engineer

    Bangladesh - Last active: 1 day ago - Tests: 10 - Portfolio: 3

    Network Engineering position that capitalizes on expertise in CISCO Routers/Switches & ASA Firewalls, Linux/Unix (RedHat, Debian, SUSE, BSD, CENTOS, FC, Ubuntu etc), Windows 2000/2003/2012 R2 platform. Dedicated to pursue further challenges in the field of Networking Engineering wherein my skills and knowledge will be highly developed and utilized. Maintain focus on achieving end-results while demonstrating strategic problem solving skills and ability to follow through with multi-tasking job. Can work with any new challenges especially in the Networking and System platform with minimum instructions. I am also experienced with other vendor swithces such as 3Com, LinkSys, Prolink etc. Firewalls from other vendors such as NetScreen, Fortigate 1000FA2, SonicWall, Monowall...Confident in HTML troubleshooting, Mail Servers in Linux Platform, RDS in Windows 2008 & 2012 R2, MySQL, SQUID, DHCP/DNS Servers and Opensource applications in Linux platforms..

    $33.33 /hr
    53 hours
    4.96
  6. Viachaslau Khalikin

    Viachaslau Khalikin

    system administrator

    Belarus - Last active: 6 days ago - Tests: 9

    As a Network / Systems Engineer. I can help troubleshoot most network issues on WAN / LAN with almost any network device vendor, administer Windows and Linux server environments from one small business with multiple locations. I can also help recommend and provide guidance to secure all aspects of data and network integrity, by providing assessments and audits of current environments. I has experience with a variety of software: * Distribution based on linux: debian-like, arch, gentoo, centos, etc .; windows; openBSD. Installing, configuring, updating, monitoring, detection, followed by elimination problems of hardware and software , support for up to date. * Virtualization: libvirt, kvm, virtualbox, docker, systemd-nspawnd * Firewall: iptables and others. * Vfs: samba, nfs, ftp, tftp, pxe * Various network services: ntp, dhcp, dns * Remote Access: ssh, rdp, vnc * Proxy server squid + rejik + lightsquid * Monitoring and analysis: cacti, zabbix, wireshark, tcpdump, ntop. * Print Server cups * Web server,: apache, nginx. * Database management systems: MySQL, PostgresQL, Firebird, Sqlite * Backup: rsync-based, tar, dd * More user and server software technology: * TCP/IP, OSI Programming languages: * PHP, HTML * Python, unix shell

    $10.00 /hr
    10 hours
    5.00
  7. Sysop X.

    Sysop X.

    Linux,Unix,Amazon EC2 (AWS),Load Balancing,High Availability

    Pakistan - Last active: 14 days ago - Tests: 9

    Working with Linux/Unix system for more than 10 years. During this time I have designed, managed and secured various Linux based systems for my clients. Projects involving Web servers, Proxy servers, DNS servers, Database servers, Cpanel/WHM, Firewalls, App servers, Shell Scripting and Automation, Virtualization, Load balancing, High Availability, Cloud computing, Amazon AWS and overall system Security. I have also worked with various Embedded Devices, designed Linux based OS for such devices and Reverse Engineered protocols and communications. ==== Skills ==== ## Operating Systems : RHEL, CentOS, FreeBSD, ubuntu, Debain, SUSE etc ## Linux/Unix Servers : Dedicated,Virtual Dedicated(VPS),Shared Hosting ## Cloud Infrastructure Setups: EC2, Rackspace, Eucalyptus, Nimbula, CloudStack, OpenStack ## Cloud Management Setups: scalr, rightscale, enstratus ## Virtualization Setups: XenServer, Vmware, RHEV, VirtualBox, KVM ## Server Migration: cPanel, Plesk, Webmin/Virtualmin, Wordpress, Drupal, Magento, Joomla ## Network Storage: NAS, SAN ## Network File Systems: NFS, GFS, GlusterFS, AFP, SMB, Amazon S3 ## Redundant Storage: Hardware and Software RAID ## Service Optimization: apache, nginx, MySQL ## Monitoring Setups: BB, MRTG, Nagios, monit, munin, cacti, zabbix, zenoss ## Automation: Standard and Custom Backup solutions and other shell scripting. ## HA & FailOver: Database, DNS and WebServer Clustering/Replication and Content Distribution (CDN) ## Email Setup: Mass Mailing, Spam Filtering, DKIM, SPF, SenderID, Amazon SES ## Network/Server Security: Authetication, Firewall, IDS/IPS, AntiVirus/AntiMalware, DMZ, VPN, Amazon VPC, Logging ## System Hardening: Kernel/Software Patches, upgrades, unix permissions and user access control, file integrity solutions etc ## Security Compliance: PCI, GLBA, HIPPA ## Incident Response: Dis-infection from rootkits, viruses, worms, trojans and other malware.

    $33.33 /hr
    20 hours
    5.00
  8. Zhu WenQi

    Zhu WenQi

    PHP Mysql Javascript Developer, Penetration Tester,Shanghai China

    China - Last active: 1 month ago - Tests: 9 - Portfolio: 4

    Over the last 7 years, I have developed a wide range of websites using HMTL, Ajax , PHP, and MySQL including sites for startup companies and small businesses. I have developed a CRM named Online Management System (OMS) for an insurance company. The main functions of the CRM are capture leads from multi campaigns, make PDF quotation according to different insurance options, track leads' sale progress, a basic report function. I also have developed a platform,both frontend and backend, which is named TAP (The Advocacy Platform). TAP is a gamified marketing platform which delivers research, user generated content, and most importantly transforms consumers into true authentic Brand Advocates. Advocacy campaigns via TAP have delivered key message recall of 40-50% at 1/10th of TV media cost. Fueled by a community of over 125,000 women in the top 20 cities in China, TAP has delivered 5 million brand 'missions' since January 2012 for key clients such as Reckitt Benckiser, P&G, Kimberley Clarke, J&J, GSK, and Fonterra. My core competency lies in complete end-end management of a new website development project, and I am seeking opportunities to build websites from the ground up for you or your business.

    $25.56 /hr
    64 hours
    5.00
  9. Sergo Sarkisian

    Sergo Sarkisian

    Linux , Cisco ,Vmware , Voip, firewall , security specialist

    Georgia - Last active: 24 days ago - Tests: 18

    I want to utilize my knowledge, skills and professional experience in order to contribute to the growth of the company I am working for whilst improving myself. SKILLS:network engineer ,system administrator(RedHat,CentOS,FreeBSD,OpenBSD,WIndows 2000,2003 server), cisco certified specialist(CCNA) Configuration of CISCO routers and switches,firewalls,servers:cisco 36xx,65xx, series,ASA firewall 55xx series, Implementation , configuration,design ,troubleshooting of basic routing protocols(BGP,EIGRP,RIP,OSPF,QoS,MPLS,HSRP,VRRP,GLBP) , Security: IPsec and many vpn solutions,certificate setup 1 Web servers - Apache 2.x,nginx,Squid proxy 2 Mail servers -Postfix,qmail ,sendmail,Mdaemon 3 FTP servers -WuFTPD,Vftpd 4 DNS –bind version 9 ,VPN (Openvpn, IPSEC implementation ) 5 DATABASES-Sql,mysql,postgresql,sqlite 6 LVM ,RAID(0,1,5,10) configuration 7 Experinece in network monitoring tools:Nagios,MRTG ,Cacti

    Groups: Bluehost Developers and Designers

    $20.00 /hr
    916 hours
    4.99
  10. Alexey G.

    Alexey G.

    Full Stack Python Developer, System Administrator (VMware, Linux, etc)

    Russia - Last active: 1 day ago - Tests: 5 - Portfolio: 3

    Hi, My name is Alexey Grebenshchikov. In my portfolio, are few of the projects that I've implemented. My strong points are professionalism, ability to solve problems and punctuality. My first goal will always be to solve your problem, meet your needs and deadline. Since 2007 I'm working on different project for virtualization and server infrastructure. I worked with equipment from different vendors (HP, EMC, IBM, etc.). Also from 2012 I develop python applications, and different web-app on Flask and Django frameworks. Please take a look at my certificates, portfolio and work history. Thank you in advance for your time and consideration. I look forward to working with you soon. Listed below are my experience and skills: Software - Full Stack Python (Core Python, Web Development, Web App Deployment); - Python frameworks: Flask, Django; - ORM: SQLAlchemy, Django ORM; - Core web: XML, JSON, HTML/CSS, JavaScript; - IDE: PyCharm, Netbeans - VCS: Git, Mercurial, SVN; - OS: Linux, Windows, Mac OS X - Virtualization: vSphere (I am VCP4/5) Hardware - Experience with storage systems the following manufacturers: EMC (CLARiiON AX4, CX4, VNX, VNXe), HP, IBM (x3650), HP (MSA2012). - Experience with servers from different manufacturers: HP, IBM, Intel, Aquarius.

    Groups: Microsoft Certified Professionals

    $16.67 /hr
    19 hours
    5.00