Top Upwork Freelancers

Clear all filters
  1. Mykhaylo Dobrovolskyy

    Mykhaylo Dobrovolskyy

    Mykhaylo Dobrovolskyy

    Netherlands - Last active: 2 days ago - Tests: 7

    10+ years of Linux/Network experience with different systems. Finished and delivered SMB solutions to big corporate companies lie BNP Paribas, ABN AMRO or RBS. My main areas of knowledge are: 1) Networking (Cisco/Juniper/F5/BlueCoat and Linux/FreeBSD based solutions like vyatta/pfsense etc) 2) Security - Cisco IPS/IDS, CheckPoint, Linux/FreeBSD based, Juniper etc 3) Linux administration - mail system, database (mysql/mysql cluster), server with high load average, load balancers for server farms (Cisco/F5 based and Linux based like keepalived or apache/nginx with reverse proxy) 4) VoIP - Cisco/OpenSource(Asterisk and different installations based on asterisks like freepbx/elastix etc) There is a very small piece of my knowledge, I'm always looking for opportunity to grow and I'm pretty sure that if you give me tasks - I'll find out best way howto get it done.

    $27.78 /hr
    4,749 hours
    5.00
  2. Farah Saif

    Farah Saif

    Expert Java, JSP, J2EE, PHP VB.NET, JQuery, MySql, C++, Ajax Developer

    Pakistan - Last active: 4 days ago - Tests: 6 - Portfolio: 3

    I am a well reputed individual freelancer on all major freelancing platforms with 6 years of online presence and more than 3400+ 5-Star reviews on various freelance web sites. I have extensive development experience in various computing fields including PHP, Java, C#, Vb.net, JSP, ASP.net, Ajax, Jquery, MySQL, Oracle, Mssql, Html5, CSS3, Android, CodeIgniter, JavaScript, J2EE and many more. I am equally competent for all sort of desktop, web and mobile application development.

    $22.22 /hr
    42 hours
    4.93
  3. Timur Birsh

    Timur Birsh

    Unix Systems Expert and Oracle DBA

    Kazakhstan - Last active: 26 days ago - Tests: 7

    Hello, Over the last 15 years, I am working with the following Unix systems: BSD based systems, Solaris and Linux distributions including Debian, RedHat Enterprise Linux, CentOS, Oracle Linux and Ubuntu. Over the past years I have developed a wide range of solutions: VPN, proxy, mail, web, file, Samba, DNS, DHCP, SSO, database, monitoring, backup, virtualization and high availability servers. I am Oracle DBA with the 5 years of experience. I work for financial institution. On my control a 21 databases. Mission critical and big databases runs on the IBM hardware and AIX operating system. Other databases runs under control of Solaris (SPARC) and Linux operating systems. For data protection we use Data Guard. One of the best products of the Oracle is Enterprise Manager Cloud Control. We use it for the databases and hosts monitoring. Its management repository contains a lot of information. It is very useful in building of custom applications (reports, etc). I have work experience with the following Oracle RDBMS versions: 8i/9i/10g/11g. I am big fan of a tasks automation. For small jobs I use shell scripts. For jobs that have complex logic I use Python or Perl. For complex text processing I use awk, sed and shell scripts as a glue. I have 5+ experience of C language programming for Unix. Hardware administration of the following vendors: Oracle (Sun), HP, Dell. I am contributor of the following free software projects: Debian (http://qa.debian.org/developer.php?login=taem@linukz.org), Transmission Bittorrent Client, inadyn Dyndns client. I maintain the following opensource programs: * sXid - http://linukz.org/sxid.shtml * cd-discid - http://linukz.org/cd-discid.shtml I use Git for source code management. I would be happy to help you. Please do not hesitate to contact me.

    $33.33 /hr
    18 hours
    4.97
  4. Patricia Urbano

    Patricia Urbano

    Legal, Medical & Technical Spanish Translations

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

    Professionally trained translator and native Spanish speaker with 20 years of experience in legal, medical, scientific and technical texts. I pride myself in having a strong work ethic and offer an accurate, and easy to read translation at a cost-effective rate. I am a dedicated, committed and responsible professional who does a thorough research of the topic, checks the terminology used in the field and never misses a deadline. * Degree in Translation - Licenciada en Traduccion * 20+ years of experience * More than 20 million words translated entirely by me * 300+ completed projects through Elance. * 100% positive feedback * Translations from English into Spanish. * Able to handle different file formats such as DOC, HTML, PDF, TXT, XLS, PHP, PO, PUB, TMPL, XML, XLIFF, etc. Knowing a language is not enough for being a translator. Translators are not made overnight. An untrained person can make the same mistake, over and over again.

    $15.00 /hr
    300 hours
    4.96
  5. Marius V.

    Marius V.

    Certified Systems Engineer

    Romania - Last active: 1 day ago - Tests: 2 - Portfolio: 2

    I am a System Administrator focused on Microsoft products with 8+ years of professional experience on IT companies. I have extensive experience installing, configuring, administering and maintaining operating systems (Windows Server 2003, 2008, 2012) and services like AD, DNS, DHCP, WDS, Hyper-V, Exchange, SCCM, SCOM. Time spent working in this area has allowed me to achieve knowledge and improve my skills in computing that would make me well suited to assist you in accomplishing your goals. I work methodically and efficiently to insure that my partner is satisfied with the end result and the cost of job is well justified.

    $25.00 /hr
    127 hours
    4.97
  6. Jagjeet Singh

    Jagjeet Singh

    Labtech, Kaseya, ConnectWise Consultant

    India - Last active: 12 days ago - Tests: 1

    Technically knowledgeable and service oriented IT professional experienced in providing solutions to customer and end-users with proven technical expertise is seeking for a rewarding, challenging and personal growth where I can best use my knowledge and experiences in implementing, managing and supporting the IT infrastructure and end-users. Specializing in designing, implementing and maintaining Enterprise IT platforms, TRT takes the stress, risk and complexity out of managing core IT systems. Maintain complete control over the environment we take accountability for keeping it running efficiently and securely.

    $22.22 /hr
    1,843 hours
    5.00
  7. Julio Carvajal

    Julio Carvajal

    CCIE 42930,2xCCNP,Juniper Specialist

    Costa Rica - Last active: 1 day ago - Tests: 2 - Portfolio: 4

    Senior Network and Security engineer with more than 10 certifications from different vendors including a CCIE. As a Cisco TAC engineer I fixed over 2000 different issues on multiple platforms. Let me show you I am your network engineer. Certifications List: CompTIA Security+ CCNA JNCIA CCNA Sec CCNP Security CCNP Routing&Switching JNCIS-SEC CCIE Routing&Switching 42930 Languages: Spanish, English

    $77.78 /hr
    143 hours
    4.91
  8. Niyi B.

    Niyi B.

    Expert MT4/MT5 Developer.

    Nigeria - Last active: 1 day ago - Portfolio: 1

    8 years in the Metatrader development industry backed by 14 years of Software Design & Development with a Bachelor's Degree in Computer Engineering makes me the perfect Coder for your EAs, Indicators, and Scripts. 4 years of 5-Star reputation on Elance buttressed by a Recognition Award makes me the perfect Freelancer for your project. Freelancing full time allows me to provide swift response to your posts and get your job done in record time while providing great support long after completion.

    $33.33 /hr
    225 hours
    4.98
  9. Piotr C.

    Piotr C.

    Experienced web developer (Python, Postgres, Unix)

    Poland - Last active: 4 days ago - Tests: 5

    Experienced web developer and unix administrator. My best skills include: * good team communication and project management * agile web development using Python and relational databases * deep knlowledge of web applications security * freeride snowboarding ;-) * RESTful and SOAP webservices * unix systems administration (FreeBSD and GNU/Linux) * profiling and optimization of applications

    $35.00 /hr
    1,870 hours
    5.00
  10. Vladimir Zotov

    Vladimir Zotov

    Asterisk|Network|Linux|AWS administrator, PHP|JS|HTML developer

    Russia - Last active: 1 month ago - Tests: 4

    I work in different IT areas for 9 years. I have advanced skills in network administration, helpdesk consulting, web-development. As network administrator I've builded and supported: - ISP network (routing,switching, billing, asterisk, DNS, Web-servers, email) - large company network (routing,switching, DNS, AD, Web-servers, email) Also I have advanced skills in AWS-infrastructure administration: - Amazon EC2 - Amazon S3 - Amazon Route 53 - Amazon Kinesis - Amazon VPC As web-developer I've created and supported web-sites and services on: - Joomla - Drupal - Bitrix - Yii - Moodle. Also, I'm Certified Cisco Networking Academy and Linux Professionl Institute instructor.

    $8.00 /hr
    27 hours
    4.99