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FreeBSD Upwork freelancers typically receive a client rating of 4.78.

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Last updated: July 1, 2015

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  1. Stanislav Kotov

    Stanislav Kotov

    Network System Engineer/System Administrator - FreeBSD/Linux/Solaris

    Russia - Last active: 19 days ago - Tests: 7

    I am Senior network engineer/Architect searching job at free time (usually few hours/day). Now i am working at Cisco/Juniper Partner in System Integration Company. I have built projects for ISP: IP and/or IP/MPLS networks from small provider (up to 700 users, pure IP/L2) to nationwide backbone and broadband networks (IP/MPLS Core with BGP and complex TE, B-RAs). All the MPLS services: Internet, L3VPN, VPLS, L2VPN, mVPN; including InterAS and CsC cases. Participate on all project stages from presale (equipment choose and design) to implementation and documenting, and further high-level support for networks, usually remote. I know in detail and have big practice of various network technologies: Routing: BGP, OSPF, EIGRP, ISIS, LDP, RSVP TE, NAT (all cases) VPN: MPLS VPN, GRE (PPTP, DMVPN), IPSEC Security: Firewall - Cisco PIX/ASA, Juniper SRX access-lists/filters - CBAC/ZBF QoS: can develop and deploy you traffic classes, implement marking and queuing and shaping, policies and your needs, including multi-color policers. Deploying different main and complementary services for ISP on UNIX/Linux/Solaris/Windows platforms, including virtualized ones: DHCP, DNS, Radius, Tacacs+, Mail, HTTP servers, SNMP, j/netflow collecting, integration with billing systems, MySQL and other. Big experience in automation: building different monitoring, configuration, self-healing scripts also for large amount of devices using multitasking. Bash, Perl scripting Have big experience in Cisco/Juniper product line from small routers to top line (CRS/TX Matrix). Also know and have practice of using many network hardware vendors (Extreme/Foundry/Dlink/Zyxel/Huawei). Programming experience: Perl (many scripting mainly on UNIX), PHP (made full project for university for student contract system, using MySQL, Javascript also), Shell scripting - bash, awk, sed, beginning to learn Python, C/C++ - some small application and system programming, MFC (Microsoft Foundation Classes), can easily modify program code. Also have experience in Windows administration AD deploying till W2003. Huge experience of user support. The rate can be lower if project topic is interesting for me but i don't have corresponding experience for it. I am taking full responsibility of my work. Have strong tradition to make documentation on my work. If you have big projects, which requires presence in the site we can discuss it.

    $56.00 /hr
    8 hours
    4.82
  2. Muhammad Attique

    Muhammad Attique

    InfoSec Expert, Ethical Hacker, Penetration Tester, Security Analyst

    Pakistan - Last active: 12 days ago - Tests: 12 - Portfolio: 6

    Provide efficient and timely solutions in Network / System Administration and Information Security. In-depth knowledge and expertise in Ethical Hacking, Penetration Testing and Securing Perimeter. Keep myself up-to date with latest InfoSec. technologies, tools, vulnerabilities and their solutions ASAP.

    $16.67 /hr
    4 hours
    4.92
  3. Ilya Evseev

    Ilya Evseev

    C/C++/Perl programmer, Linux/network admin.

    Russia - Last active: 2 days ago - Tests: 14

    Over the last 10 years, I'm network administrator, architect and CIO in various hosting and ISP companies. Due this I have relatively good skills in Linux/BSD, virtualization, routing and shell/perl-scripting. My previous professional bio can be divided into 4 independent parts: - from 1990 to 1996 -- system programming for PCDOS (Assembler, C) - from 1996 to 1999 -- HPC programming and teaching for MPI, PVM, HP/Convex - from 1997 to 1998 -- programming for DSP controllers - from 1999 to 2003 -- programming, administration and teaching for Lotus Notes/Domino My current targets are: - programming in C, C++ and Perl - building and managing networks - building and managing virtual environments I prefer opensource whenever it's possible, but without zealotry. I think that the best opensource platform is Linux, but without zealotry too. In my opinion, the best Linux distro is Ubuntu LTS, but without any religious zealotry again.

    $25.00 /hr
    90 hours
    3.25
  4. Dmitrii M.

    Dmitrii M.

    Senior Linux/Unix System Administrator

    Russia - Last active: 4 days ago - Tests: 3 - Portfolio: 1

    I have 10+ year experience at working with most of Linux systems SLES, RedHat, CentOS, Fedora, Debian, Ubuntu, Gentoo. I also love FreeBSD and Solaris. ARM based devices (cubieboard, raspberry, ...) are among my interests. My experience is confirmed by multiple Red Hat certificates. One of my hobbies and my profession are the same. Since I have graduated a higher school, I have been constantly increasing my knowledge at IT. I deployed MySQL, PostgreSQL databases, Apache/Nginx servers, Email servers, proxies, firewalls, KVM based virtualization, deployment of OpenStack Clouds, and other software for different purposes. In according to your requirements I can assist in a design, suggest a better solution and do its implementation. At my full-time work I support the closed-source enterprise systems such as AIX, Solaris, UnixWare, HP-UX, troubleshooting and contacting with vendors are a part of my regular tasks.

    $11.11 /hr
    100 hours
    5.00
  5. Chris Rivas

    Chris Rivas

    Hosting Industry Sr Linux Admin w/ RHCE, RHCVA, MySQL DBA, developer

    United States - Last active: 11/18/2014 - Tests: 7 - Portfolio: 1

    For more than ten years I have worked extensively in the software development and hosting industries. I am an expert Linux and Unix system engineer, and can deploy and configure any software stack that is based on Linux for optimal content delivery. I excel at MySQL database design, optimization, and administration. I am a seasoned software developer and have extensive experience with many languages including Java, Python, PHP and Ruby. I also have significant experience with customizing, deploying, and adminstering open source web applications, application frameworks, and application servers. I have worked locally, overseas, and with colleagues and clients overseas via the internet. If you look at my work history here, you will note that i 'disappeared' in February 2011. Indeed I did disappear, I was in a very bad car accident in Bangkok, Thailand, where I was living at the time, and was nto able to get out of bed or use a phone or computer for roughly a month. I now reside in Austin, TX again full-time I do not disappear typically, my present and previous employers can confirm that if you are hesitant based on feedback from 2011.

    $36.67 /hr
    22 hours
    4.54
  6. Subhro K.

    Subhro K.

    Expert System Administrator with very strong Programming skills

    United States - Last active: 11/13/2013 - Tests: 7

    A very talented system administrator and a developer who can think out of the box. I have been working with some of the leading technologies in the market. My skills include but are not limited to: 1. Linux Server Administration 2. Solaris/OpenSolaris Server Administration 3. FreeBSD Server Administration 4. Setup and Administration of Mail Servers (Eg: Postfix) 5. Setup and Administration of Web Servers(Eg: Apache, Nginx, Lighttpd, nodejs) 6. Setup and Administration of various Application Servers.(Eg: JBOSS, Tomcat, Ruby on Rails, Django, Wordpress, Joomla) 7. Setup and Administration of Virtual Infrastructure like Xen, Vmware 8. Setup and Administration of Cloud servers like Amazon EC2, Rackspace. I am also well versed in programming/scripting languages like Perl, C, Objective C and Ruby. I am extensively into Developing iPhone Applications.

    $27.78 /hr
    11 hours
    5.00
  7. Nikitas Skemvris

    Nikitas Skemvris

    Systems Administrator and IT Engineer

    United Kingdom - Last active: 01/17/2014 - Tests: 6

    I am an experienced Systems Administrator, having worked for many years with a broad range of fairly complicated technologies, products and tasks. I like to understand how an implemented system works and dislike relying on trial-and-error or luck. I am eager to analyze the costs and benefits of alternative solutions, examine the requirements of each situation and make informed suggestions on how they could better be served. I draw real satisfaction from automating routine tasks that would otherwise require human labor. I prefer to work with Unix-like systems, but I have long experience in administering and supporting Windows Servers as well. Key Skills: • Hardware: Assembling computers, identifying and replacing faulty parts • Common Office software: Word/Excel/Access/Powerpoint • Systems Administration: GNU/Linux (Slackware, Gentoo, RedHat/CentOS, ArchLinux, Debian), FreeBSD and Windows Operating Systems • Designing and Implementing secure IP Networks based on Ethernet and WiFi • Installing and customizing numerous Network Service software, including: Postfix, Dovecot, Apache, Nginx, Varnish, MySQL, PostgreSQL, BIND, PowerDNS, NFS, Samba, OpenSSH, NTPd, Squid, Rsyslog • Relational Databases: SQL • Firewalls and Traffic Control: Iptables, Iproute2, PF • Virtualization: Vmware ESXI, Microsoft HyperV, Linux Vserver, OpenVZ, FreeBSD Jails • Languages: Python, Ruby, PHP, PERL and BASH (Note: I don't consider myself a Software Developer, but I am able to develop small applications that automate routine tasks or import/export/analyse/present data in helpful ways, following proper programming practices)

    $15.56 /hr
    0 hours
    5.00
  8. Eitesam ahmad K.

    Eitesam ahmad K. Agency Contractor

    IT Infrastructure & Network Consultant, Solutions Architect, 15yrs exp

    Pakistan - Last active: 6 months ago - Tests: 3 - Portfolio: 3

    A result oriented IT infrastructure consultant with over 15 years of technical and managerial experience in the field of “Information and Communication Technology”, have worked with a wide range of principals like Dell, Cisco, HP, Digium, Oracle, Microsoft, IBM etc and have worked with various open source flavors of Linux and Unix. I have a distinguished track record in deploying and managing medium to large scale Internet and Telecom service provider networks, while participating in planning, analysis, implementation and operations phases. I stand out at providing comprehensive, cost effective, reliable and secure ICT / network solution and have hands-on experience leading all stages of system development processes, including requirements definition, design, budgeting, procurement, implementation, testing and support. I look forward to to work on a challenging IT Infrastructure project, which requires real out of the box ideas.

    Associated with: Vision Telecom

    $44.44 /hr
    0 hours
    5.00
  9. Alexandr N.

    Alexandr N.

    Network engineer / Sysadmin / MikroTik / Perl / C / MySQL / Asterisk

    Ukraine - Last active: 1 day ago - Tests: 5

    Over last 7 years I've been working as network engineer and system administrator while been employed by different Internet service providers of the middle range with several thousand clients. My core competency lies in: - network configuration of any scale, improve performance and security; - install, configure and support servers that run FreeBSD/Linux with custom set of services; - install, configure and support of RouterOS and any MikroTik equipment, MikroTik and RoutreOS training; - BGP setup with load balancing/load sharing (MikroTik, Cisco, Quagga); - Hot-Spot deployment; - configuration and troubleshooting of the wireless networks. I also have some experience in: - deployment of Asterisk IP-PBX; - development and patching of small and middle size projects in C and Perl; - web server administration; - deployment of the fully transparent web proxy; - MySQL database server administration.

    $18.00 /hr
    152 hours
    4.88
  10. Oleg Shumsky

    Oleg Shumsky

    Unified Communications Professional / VoIP Expert

    Australia - Last active: 10/18/2013 - Tests: 5 - Portfolio: 3

    I have been working with VoIP for more than 9 years. My area of expertise is Cisco Unified Callmanager, CUCME and other Cisco Unified products, such as Cisco Unity, CUPS, CUE, ISR routers, 26xx, 28xx, 29xx, 7xx series routers as well as non-cisco solutions based on Asterisk, Mera (ALOE). As a certified CCNP Voice specialist I suppose I can solve any complex issue relating VoIP networks. Not only do I have a real experience of working with cisco products, but I am also able to perform various systems administration tasks in FreeBSD/Linux systems. So if you desperately need a professional for providing proper functioning of your Unix servers, you may ask me to do that. Also, I would like to mention about my experience of working with vmware products. I have installed several vmware ESXi platforms for cisco unified and other solutions, and all these platforms work perfectly.

    $27.78 /hr
    8 hours
    4.59