UNIX Engineers For Hire

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  • Hire kaloyan13

    kaloyan13

    Bulgaria
    60 Reviews
    $10 USD/hr

    Top Skills: C Programming, Linux, C++ Programming, Shell Script, UNIX

    C/C++ programmer with experience in parallel programming using OpenMP and MPI. Bash scripting and any other Linux/Unix tasks are welcome.

    C/C++ programmer with experience in parallel programming using OpenMP and MPI. Bash scripting and any other Linux/Unix tasks are welcome. less

  • Hire altr

    altr

    Ukraine
    10 Reviews
    $25 USD/hr

    Top Skills: Asterisk PBX, VoIP, Linux, UNIX, MySQL

    - VoIP Expert with more than 7 years experience in FreePBX, Elastix, PBX in a Flash (PIAF) and other Asterisk-based systems. - A2Billing Expert (Installation, Administration, Customization) - Administering and configuring of PRI and FXO/FXS cards as well (Digium, Sangoma...) - Administering and configuring Mitel, C ...

    - VoIP Expert with more than 7 years experience in FreePBX, Elastix, PBX in a Flash (PIAF) and other Asterisk-based systems. - A2Billing Expert (Installation, Administration, Customization) - Administering and configuring of PRI and FXO/FXS cards as well (Digium, Sangoma...) - Administering and configuring Mitel, Cisco, Linksys, Yealink phones and softphones. Provisioning solutions. - Administering and configuring GSM Gateways: GoIP, Etel, OpenVOX... - ANTIBLOCK IP AND TRAFFIC COMPRESSION solutions for censored countries such as Pakistan, Iran, China... - Unix/Linux/Windows admin and script writer. - USB over IP solutions for Windows and Linux - Expert in Zabbix-based monitoring solutions. - Web Security Expert: security audits, ethical hacking... - Post-project support included as well!!! less

  • Hire KatrinaQ

    KatrinaQ

    Canada
    16 Reviews
    $45 USD/hr

    Top Skills: PHP, Anything Goes, HTML, CSS, Javascript

    “Quality is never an accident; it is always the result of high intention, sincere effort, intelligent direction and skillful execution; it represents the wise choice of many alternatives.” A top freelancer with vast knowledge when it comes to programming, server administration, support and troubleshooting. I alway ...

    “Quality is never an accident; it is always the result of high intention, sincere effort, intelligent direction and skillful execution; it represents the wise choice of many alternatives.” A top freelancer with vast knowledge when it comes to programming, server administration, support and troubleshooting. I always deliver the best service possible and go above and beyond to make sure you are fully satisfied with the work that I do. With my reputation at stake, I strive for superiority and will not settle for anything less. I also offer outstanding Dedicated/Shared hosting services for e-commerce and ad revenue sites. less

  • Hire meral

    meral

    Ukraine
    5 Reviews
    $60 USD/hr

    Top Skills: Asterisk PBX, Linux, PHP, VoIP, MySQL

    We are working with asterisk more then 15 years. Have only linux admins with 20+ years experience in team and asterisk expert with at least 10 years of extensive DEVELOPMENT work. Our primary services are voip systems design , billing for VOIP, web for voip/reporting interfaces. We have done some autodiallers, prov ...

    We are working with asterisk more then 15 years. Have only linux admins with 20+ years experience in team and asterisk expert with at least 10 years of extensive DEVELOPMENT work. Our primary services are voip systems design , billing for VOIP, web for voip/reporting interfaces. We have done some autodiallers, proved we can do complex modules for freepbx/trixbox, we have a2billing contributors in team. Also we have experience with multi-server voip clusters end virtualized voip services,including ones in amazon ec2. -small and large VOIP system based on SIP protocol -general voip architecture design -web and billing for voip -support for asterisk, freepbx/trixbox and a2billing, openser/kamailio/opensips. -modules and addons for asterisk, freepbx, a2billing -load balance using openser/kamailio/opensips -virtualization with openvz, xen, amazon ec2 service. -support for linux systems and supply services for voip. -create network storage clusters, mysql replicated setup, mysql-clustered experience -per hour support and consulting for all above every finished project have free limited 10 day support&bugfixes. note, we have very few aborted projects, most of them from client side. We have NO "work-in-progress-forever" list like alot of users have. so completion rate is REAL. Only thing we not do is graphical design work, we are sorry but it is hard to be proffessional in voip and design in same time. We are choosing be best in VOIP less

  • Hire genpexitsolution

    genpexitsolution

    India
    3 Reviews
    $30 USD/hr

    Top Skills: Python, Linux, PHP, CSS, Software Architecture

    Over the last 6 years, We have developed wide range of open source software’s and customization for start up companies and small businesses. We provide the complete (predefined and custom defined) open source solution for each and every type of business with customization according to their work/business. Let ...

    Over the last 6 years, We have developed wide range of open source software’s and customization for start up companies and small businesses. We provide the complete (predefined and custom defined) open source solution for each and every type of business with customization according to their work/business. Let me describe skills. Open Source ERPs Solution - 1.Our expertise are in the field of Open source ERPs such as OpenERP/Odoo, OpenBRAVO, Open EduCat ERP, FrontAccounting, ERPNext, Tryton, WebERP and Other Well Known product in market with having 2-3 of work experience in the reputed organization . Work in such organization helped to understand the Business Process of various industries like Manufacturing ,Retail etc. 2. Implemented more than 100s of Open Source ERPs at client server along with the INTEGRATION, CUSTOMIZATION, MIGRATION, DEVELOPMENT and PROFESSIONAL TRAINING. 3. Team having 5+ yr, 4.8+yr, 3.5yr experience in ERPs (OpenERP/Odoo, ERPNext, WebERP) . Open Source Business Intelligence Solution :- 1. Integration of Pentaho BI tools with Odoo/OpenERP 2. Integration of Google Docs with Odoo/ERP Open Source Application Solution :- 1.10 + year of experience in PYTHON,PHP also in HTML, JavaScript ,MySQL. 2.Familiar with all kind of algorithms in Pattern Recognition and Machine Learning fields. 3.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. 4. Good Knowledge of Heroku Platform Linux/Unix Support :- We have senior admin have 10+ or 5+ year of experience in LINUX administration. Utilities on which we worked :- LAMP, 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. 1. Open Source tools Installation, Development, Customization and Support 2. Website Migration (Plesk to Plesk) 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. PHP MyAdmin 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 Panels like 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. Cloud Support :- Have Good Knowledge of AWS, Rackspace, CloudStack if you will hire us for your work we will provide you the service according your budget with 24/7 customer support. Thanks and Regards - Genpex IT solutions less

  • Hire sachitjani81

    sachitjani81

    India
    2 Reviews
    $15 USD/hr

    Top Skills: Electronics, Electrical Engineering, C Programming, Mathematics, PCB Layout

    I have a dedicated team of engineers who work on all Electronics, Mathematical, Computer languages including C, CPP, Perl, BASH, Java, networking, Web Development, Matlab and mechanical design related projects. Apart from that, we deal in creative writing, technical writing, SEO works, proof reading, translations & ...

    I have a dedicated team of engineers who work on all Electronics, Mathematical, Computer languages including C, CPP, Perl, BASH, Java, networking, Web Development, Matlab and mechanical design related projects. Apart from that, we deal in creative writing, technical writing, SEO works, proof reading, translations & related tasks. less

  • Hire RaalFy

    RaalFy

    Nigeria
    2 Reviews
    $50 USD/hr

    Top Skills: Ruby on Rails, Software Architecture, Linux, PHP, MySQL

    Being in the UNIX field for past 9 years, I have sound knowledge of its working and internals.Outsource me for your project(s) and I promise to exceed your expectations.

    Being in the UNIX field for past 9 years, I have sound knowledge of its working and internals.Outsource me for your project(s) and I promise to exceed your expectations. less

  • Hire lockbox

    lockbox

    Poland
    2 Reviews
    $30 USD/hr

    Top Skills: PHP, Javascript, MySQL, UNIX, Linux

    Over 12 years of experience with web development, including about 11 years with php (as manager and developer), over 3 years with nodejs, almost 5 years with freebsd (as sysadmin), over 7 years with simple and/or distributed scrappers/crawlers (php/python/nodejs based workers) and many other technologies around tho ...

    Over 12 years of experience with web development, including about 11 years with php (as manager and developer), over 3 years with nodejs, almost 5 years with freebsd (as sysadmin), over 7 years with simple and/or distributed scrappers/crawlers (php/python/nodejs based workers) and many other technologies around those things makes me valuable member of Your team. less

  • Hire komden

    komden

    Ukraine
    5 Reviews
    $10 USD/hr

    Top Skills: Linux, System Admin, Network Administration, UNIX, Ubuntu

    Please consider my portfolio for your Apache projects. During my tenure till date I have been working as a Apache Developer and a BSD Expert. I can benefit your projects as I have sound experience in Управление базами данных Administrator and Debian Expert. I have the ability to work collegially along with the team ...

    Please consider my portfolio for your Apache projects. During my tenure till date I have been working as a Apache Developer and a BSD Expert. I can benefit your projects as I have sound experience in Управление базами данных Administrator and Debian Expert. I have the ability to work collegially along with the team or as an independent freelancer. I look forward to being hired by you. less

  • Hire brylu

    brylu

    United States
    10 Reviews
    $75 USD/hr

    Top Skills: Linux, MySQL, System Admin, Apache, UNIX

    Hello and welcome to the Freelancer.com profile for Skyline Servers, your server support specialists. We have over two decades of combined linux administration experience and are your one-stop-shop for anything that's stopping you from running your business. We love making websites fly. Skyline Servers has a reput ...

    Hello and welcome to the Freelancer.com profile for Skyline Servers, your server support specialists. We have over two decades of combined linux administration experience and are your one-stop-shop for anything that's stopping you from running your business. We love making websites fly. Skyline Servers has a reputation for taking poorly managed web properties and turning them into lean, mean, traffic serving machines. Check out our reviews here on Freelancer and on RateLobby: https://ratelobby.com/review/410/skyline-servers We operate out of Chicago, IL, USA and are available 24/7 should an emergency arise. Some of our specialties are: MySQL optimization WordPress optimization/caching Varnish Cache NGINX / Apache optimization and configuration High Availability Tech: * Pacemaker/Heartbeat/GFS2 Clustering * MySQL Clusters * DRBD Synchronized file systems * Load balancing Here is a small sample of the technologies with Operating Systems: GNU Linux (any), Open/FreeBSD Programming: Shell scripting (bash/fish), Expect, Perl, PHP, HTML Services: WWW (Apache, Nginx, LiteSpeed, Lighttpd, load balancing) FTP (Wu-ftpd, Proftpd, Pureftpd, Vsftpd) SMTP (Sendmail, Exim, Postfix, Qmail, Courier, Dovecot ) DNS (Bind, djbdns, unbound, gdnsd) SQL Databases (MySQL/MariaDB, PostgreSQL) Proxy servers (Varnish, Squid, Privoxy, Ratproxy, Haproxy) File sharing (Samba, NFS) Remote administration (SSH, VNC, FreeNX, IPMI, KVM's, Rdesktop, Remote Administrator, etc.) Networking: Access points and switches (3Com, Cisco, Tahoe, Mikrotik) Firewall (iptables, ipchains, pf, ipfw) Security and intrusion detection systems (Snort, Tripwire, Aide, SELinux, Apparmor, risk assessment, hardening, PCI compliance experience, OpenVPN. scripts etc) Misc: LAN, WAN, WiFi, TCP/IP, QOS, DHCP, etc. Web Applications: Open source: cPanel/WHM, Nagios, Cacti, Base, Aanvil, Horde, Roundcube and so on LAN management system developed from scratch (PHP, Perl, SQL, HTML) Smaller applications, management modules (written in PHP, Perl, SQL, HTML) Other: Statistics (MRTG, lstat, Webalizer, RRD, Cacti etc.), Virtualization (KVM, Vmware, Xen, VirtualBox, Virtuozzo/OpenVZ, BSD Jails) Backup systems (R1Soft/Idera, cpbackup, rsync, etc.), Clustering (MOSIX/Beowulf), Heartbeat less