Top Upwork Freelancers

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  1. Vladimir Laskov

    Vladimir Laskov

    Linux and FreeBSD Systems Architect

    Russia - Last active: 3 days ago - Tests: 9 - Portfolio: 1

    Specialties: Architect, RHCE, DevOps, Performance, Scalability, Redundancy / Fault Tolerance, High Availability ( CARP, HSRP, VRRP, DRBD, HAST ), Network Security, Troubleshooting, Solaris, OpenBSD, FreeBSD, Linux ( RHEL, CentOS, Ubuntu, Debian, SUSE ), Nginx, Apache, PostgreSQL, MySQL, Postfix, Dovecot, Asterisk, GIT, Jenkins, iptables, PF, IPFW, Nagios, PHP, Ruby, Java, Python, Perl, IPSEC, SSL, VPN, VMWare, SAN, ZFS ... Started out with a Sinclair ZX-Spectrum. Over 10 years of experience in IT area, including 6 years in Senior System Administrator. positions. Expert in Unix-based systems (5 years), advanced person in database administration (3 years). Person with strong analytical and troubleshooting skills, strong team building skills, well developed management skills, interpersonal skills.

    $25.00 /hr
    0 hours
    5.00
  2. Teri S.

    Teri S.

    Public Relations Professional with English degree

    United States - Last active: 3 days ago - Portfolio: 10

    Are you looking for someone with an eye for detail, someone who can polish your writing and catch embarrassing mistakes before they show up in print? As a "Grammar Nazi," I can help you prepare your work for publishing so that you can concentrate on your talent and ideas and not worry about whether you should use a comma or a semicolon. I am highly skilled and experienced in editing and proofreading a variety of types of writing from fiction to business writing to technical articles. Check out my skills test scores and then reach out to me! I’d love to hear from you.

    $14.00 /hr
    5 hours
    4.97
  3. Serega A.

    Serega A.

    MT4 programmer and Forex trader

    Ukraine - Last active: 3 days ago - Portfolio: 2

    I'm a long term trader using various trading methods, automated as well as manual. I develop and trade my own automated trading systems and write Expert Advisors, Custom Indicators and Scripts for MetaTrader4 for my own needs. I use my trading and programming experience to help other traders to implement their own trading ideas.

    $33.00 /hr
    0 hours
    4.98
  4. ILIYA IVANOV

    ILIYA IVANOV

    Experienced PHP, MySQL, (X)HTML, CSS, JS developer

    Bulgaria - Last active: 1 day ago - Tests: 3 - Portfolio: 2

    Creative and self motivated Senior PHP Developer with years of quality experience within the technology field. Able to flourish in teams but also excel in independent roles. Demonstrates finely honed organizational, interpersonal and time management skills as well as expert troubleshooting abilities. A well-versed and articulate leader, one who is able to communicate effectively while successfully leading and inspiring others. Possesses an innate ability for building and maintaining positive relationships in the workplace, among both clients and teammates alike. Proficient across numerous valuable technical applications and programs. I work in 3 ways - fast, cheap and quality. Anytime you can select only 2 of these. In short - I am a software developer! To save time, let's just assume I'm never wrong ;)

    $20.00 /hr
    0 hours
    5.00
  5. Suma Udupa

    Suma Udupa

    Expert in C, with knowledge of Java, HTML, MySQL.

    India - Last active: 8 days ago - Tests: 3

    I am BE graduate with 4 years experience in development and debugging features for mobile protocol stack in C. I was a teaching staff in C for 1 year. I also know Java, MySQL, HTML5. I am looking for opportunities to work on any of my above skill set and make the project successful. I believe in learning new things and improve constantly.

    $6.67 /hr
    4 hours
    5.00
  6. Amanda H.

    Amanda H.

    Excellent Computer Skills

    United Kingdom - Last active: 15 days ago

    I have worked within offices for 3 years, one being a solicitors - in both cases I was based in the Financial Department. I also have a GCSE in IT and have maintained these skills since. I also have an A-Level in Photography, so have experience in using Adobe Photoshop. I am extremely capable when using computers, especially when dealing with Microsoft software, particularly Excel.

    $10.00 /hr
    0 hours
    5.00
  7. Grigory Kuznetsov

    Grigory Kuznetsov

    System Engineer

    Russia - Last active: 14 days ago - Tests: 4

    Qualified Cisco Academy Instructor (CCNA). 14+ years of work in field of IT. My main skills are: LAN & WAN design and deployment. Network equipment management - CISCO, HP, D-Link; network design, load balancing, backup strategy, monitoring. Data Center equipment management – computing systems, power distribution, cabling, air preparing. Administration of Microsoft Windows NT/2000/2003/2008/2008R2/2012 server OS (AD, DNS, DFS, DHCP, WDS, RDP, TS, clustering and load balancing). Administration of all Microsoft Windows client OS. Administration of Linux Red Hat/Cent OS (iptables, samba, squid, nginx, apache+mysql(optimization, DDoS mitigation)). Administration of VMware vSphere (ESXi + vCenter). Comprehensive monitoring using Zabbix.

    $15.00 /hr
    9 hours
    5.00
  8. Nedim Sahovic

    Nedim Sahovic

    Expert C# WPF and Web developer

    Bosnia and Herzegovina - Last active: 12 days ago - Tests: 1 - Portfolio: 8

    Experienced C# software developer with IT professional background. Main areas of interest are WPF desktop applications, ASP.NET MVC web applications and Enterprise System architectures. Considering previous work experience as Support technician in Enterprise environment, in-depth knowledge of software integration with Active Directory and other systems. Also experienced with database architecture and development. Large experience in Sharepoint Development on Sharepoint Server 2010 platform. Proficient in batch and Powershell scripting.

    $38.00 /hr
    0 hours
    4.86
  9. Lakshman Singh

    Lakshman Singh

    Cisco Voice Expert

    India - Last active: 6 days ago - Tests: 3 - Portfolio: 1

    *Cisco Voice/UC Consultant (CCIE-VOICE, CCNP-VOICE/CCVP) having more than 5.5 years of extensive experience in Cisco Installations/deployment, Support, Presales, Postsales, Training, Documentation. *I have deployed a Cisco UC (CUCM, CME, CUC, CUPS, ISRG2 Routers, VCS-C, VCS-E, UCCX, Jabber etc.) cluster of 2000 IP Phones alone. *I have designed and deployed 5 Cisco BE6000 / BE6K and BE7000 / BE7K Solutions *I have worked in Cisco TAC, have vast experience in troubleshoot. *I have worked in Presales, knowledgeble about Licensing, Ordering, RMA etc. CERTIFICATION(S) : CCIE-VOICE (written) | CCNP-VOICE/CCVP | CCNA-VOICE | CCDA | CXFS | CCNA & CCENT SERVICES OFFERED : 1. CUCM (Cisco Unified Communications Manager) 2. CUC (Cisco Unity Connection) 3. CUPS (Cisco Unified Presence Server) 4. UCCX (Unified Contact Center Express) 5. CME (Cisco Unified Communications Manager Express) 6. CUE (Cisco Unity Express) 7. VCS (Video Communications Server) 8. Cisco Telepresence / Tandberg (For Video Conferencing) 9. Cisco Jabber 10. Cisco Voice Gateway / Router (29xx, 39xx etc.) 11. Cisco Switches (PoE and Non PoE) 12. Integration of Cisco Devices 13. Analog Voice Gateways 14. Cisco BE6K / BE6000 15. UCS Servers 16. UC520 / UC500 17. MPLS, Frame Relay, PPP

    $40.00 /hr
    4 hours
    5.00
  10. Cody Stewart

    Cody Stewart

    Published Novelist, Creative Writer and Pro Editor

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

    I am a published novelist, comic book writer, and comic book editor. I have a degree in Creative Writing. I am professional, dedicated to my craft, and always make deadlines. I can successfully juggle several projects at once. No matter the topic, I can write about it in whatever tone you need - academic, comedic, dramatic, etc.

    $16.00 /hr
    0 hours
    5.00