IT & Networking Administrators

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  1. Andrii Khudiakov

    Andrii Khudiakov

    Oracle DBA expert

    Ukraine - Last active: 4 days ago - Tests: 3

    I am certified Oracle database administrator with 8+ years experience in all areas which cover Oracle administration tasks. Installation, configuration, tuning, backup strategy, integration in OLTP and DWH environment on *nix and Windows OS in one-node and RAC configurations I can provide complete service for your existing Oracle DB as also install and configure your future Oracle database infrastructure. Cover 8i/9i/10g/11g/12c versions on Linux, Windows, Solaris, HP-UX. - File system, raw devices, ASM. - Oracle DB performance tuning - Backup and recovery solutions for Oracle DB - Dataguard solutions - High availability solutions - Data management - Security configuration - Exadata X2, X4 administration, configuration, tuning - Installation and configuration OEM version 10g, 11g, 12c Oracle Сertificates: - Oracle Database 11g Performance Tuning Certified Expert - OCP DBA 11g - OCP DBA 10g - SQL Certified Expert - Linux Certified Expert - Exadata 11g Certified Implementation Specialist LinkedIn profile: ua.linkedin.com/in/andreykhudyakov/

    $33.33 /hr
    319 hours
    5.00
  2. Ouahib El Hanchi

    Ouahib El Hanchi

    Programmer / Developer

    Morocco - Last active: 10 days ago - Tests: 5 - Portfolio: 1

    I am a talented programmer and developer with years of experience and educational training. I am willing to work as a team member and also autonomously for your project. I have also worked for many years of my career as a C/C++ programmer and as a web designer. I also have experience many other programming languages to name a few : Python, PHP, Perl, JavaScript ... And also working with different DBMSs. I got experience also in data entry, data processing and document formatting. I will deliver my best work at a high standard. I look forward to being hired by you for your jobs.

    Groups: LoginRadius

    $50.00 /hr
    11 hours
    5.00
  3. Muhammad kashif A.

    Muhammad kashif A.

    Wordpress | Buddypress | S2member

    Pakistan - Last active: 2 days ago - Tests: 2 - Portfolio: 4

    Working with WordPress since last 4 years and a WordPress verified plugin developer. Able to write plugins, themes, implement any custom functionality. My objective is to deliver the best quality work at a fair price paired with a timely deliver. I try and work closely with you when you need me to, or closely with your designers, IT, consultants or whoever else might be involved in the project. It is my firm belief that good communication and team working is what creates really special results for your project.

    Groups: Bluehost Developers and Designers

    $38.89 /hr
    865 hours
    4.98
  4. Taras D.

    Taras D.

    Magento Developer

    Ukraine - Last active: 1 day ago - Tests: 4 - Portfolio: 1

    I have good knowledge in areas of PHP development and creation of HTML layouts with complex JS interactions. Have strong understanding of OOP concepts and JS prototyping. Also have skills in system administration. Relevant experience: Magento-related (both EE and CE): Themes creation/modification; Various integrations (WordPress etc.); Multi-store setups handling; Front-end optimization (CSS sprites, JS/CSS minification, etc); Modules development; Magento upgrades; General: Git (preferable) or SVN; Issue tracking systems usage (mostly Jira, Redmine); Advanced *nix (Debian/CentoOS/RHEL/FreeBSD) administration and shell scripting; cPanel/WHM/Plesk knowledge.

    $33.50 /hr
    462 hours
    4.99
  5. Arsen S.

    Arsen S.

    VoIP Administration & Development

    Bulgaria - Last active: 1 day ago - Tests: 2 - Portfolio: 6

    I am focused in VoIP field only and I have been working here for more than 8 years. My Area of experiences: VoIP -Asterisk PBX: Full proficiency -FreeSWITCH: Full proficiency -Yate: Full proficiency -Strong knowlege of SIP protocol and SIP routers/proxy servers -OpenSER (Kamailio/OpenSips) -Load Balancing, Least Cost Routing, High Availability, NAT Traversal, Rate and billing systems, etc. -IVR and Auto Attendant Development -Secure VoIP: TLS, SRTP, ZRTP Full proficiency in free Billing/CDR solutions: -A2Billing: Full proficiency (configuration from scratch, customisation) -CDRTool (prepaid billing/accounting and sip tracing for OpenSIPS using RADIUS) -CDR-Stats (call detailed statistic/realtime stat for asterisk and freeswitch) -cgRates (billing for Freeswitch) I provide: - Development of custom Billing and software solutions for Premium Rate Numbers business. - HA and Scalability solutions for existing VoIP networks. - Development and optimisation of VoIP networks/projects. - Ongoing support via request/ticket tracker system. - VoIP Security and Hacker protection solutions. I have successfully completed large amount of commercial installations of VoIP PBX servers. From SOHO to Enterprise deployment including integration of various VoIP solutions into existing network environment. I also have experience in building of secure "bastion" VoIP/Linux servers. Payment Terms: Minimal support package 5 hours. Short-term hourly support: $50 For long-term support please contact for price options. For sizable development projects please contact for price options. We charge upfront scoping (roadmapping meeting, flat-rate). Hourly based projects: -Current hourly rate is $50. Price per projects/feature: -Fixed price projects are calculated based on the hourly rate and expected task complexity. -For all fixed price projects complete project specification with clear tasks description is required -For all fix price projects work will be started only after payment has been es-crowed and both parties have agreed with working terms.

    $55.56 /hr
    126 hours
    5.00
  6. Alexander Shcheblikin

    Alexander Shcheblikin

    Linux, UNIX & AWS Expert Administrator

    Ukraine - Last active: 4 days ago - Tests: 8 - Portfolio: 3

    * 17 years in UNIX world * Security-minded * Administrator & Developer for complex projects involving automation, integration, data mining * Attentive to details * Ensuring reliable & secure systems operation and effective consulting & coaching * Protection against Spam & other unsolicited communications in email, web and VoIP * Building effective web-presence assets (5+ years in Web/SEO)

    $40.00 /hr
    86 hours
    4.92
  7. Fernando A.

    Fernando A.

    e-learning solutions for your business

    Spain - Last active: 2 days ago - Tests: 7 - Portfolio: 6

    I'm specialist in e-learning sites based in moodle from the last 10 years. My services are: consulting, installation and configuration (VPS / AWS / Cloud), template design, corporative sites (moodle + Joomla) and commercial sites (moodle + Joomla + Hikashop), migrations and version updates, technical administration, technical support, video conference servers integration (BBB / OpenMeetings) I use Joomla, Hikashop, Kunena and other scripts to create powerful sites based in moodle.

    $38.89 /hr
    154 hours
    4.91
  8. Adam G.

    Adam G.

    Business Analyst and Excel Expert

    United States - Last active: 17 days ago - Tests: 5 - Portfolio: 1

    Excel expert available for consulting and project work. Highly experienced Excel user capable of complex data analysis. Excellent at setting up programming for easy and repeatable report generation, or drilling down through "data dumps" to locate vital data and identify significant trends. Utilize expert level formulas and macros to minimize end user effort and maximize output that is both useful and meaningful. Very experienced creating a wide variety of aesthetically pleasing charts and tables for high level overviews and intricate outlines of existing data for client presentations.

    $35.00 /hr
    18 hours
    4.87
  9. Marius Cristea

    Marius Cristea

    Full stack web developer

    Romania - Last active: 2 days ago - Tests: 2 - Portfolio: 2

    I am a full stack web development engineer, fluent in PHP, MySQL, jQuery, AJAX with excellent debug and troubleshooting skills, working for clients and companies for almost 3 years. During this time i have built various applications from scratch but i've also developed new features with existing codebases. I'm very familiar with PHP frameworks like CodeIgniter, Zend Framework, as well as Play Framework (Java) and Django(Python). I'm also having experience in building browser extensions, having more than 20 published in the chrome webstore, developing RESTful web services along with using APIs from Twitter, Facebook, Google and more.

    $45.00 /hr
    391 hours
    4.96
  10. David Marcus

    David Marcus

    Microsoft Certified Systems Engineer, Journalist and Transcriber

    South Africa - Last active: 16 days ago - Tests: 11 - Portfolio: 1

    Microsoft Certified Systems Engineer; Microsoft Certified Professional. Journalist; Transcriber, Subtitles, Travel Planning. US ENGLISH SPELLING: 1st place out of over half a million test takers! 85 Words Per Minute, 100% Accuracy. My Travel Addiction: I have travelled overland by: Public Transport Motorcycle 4x4 Vehicle Through 74 Countries over the last 20 years of my travelling adult life. I have met many interesting people during these adventures and have acquired insight into how the world works. For 2 years I have specialized in transcribing, which I do while travelling, and have acquired knowledge in many different areas, as I prefer to do academic research interviews. All of my clients are extremely satisfied with the quality of my work.

    Groups: Microsoft Certified Professionals

    $44.44 /hr
    67 hours
    4.88