IT & Networking Administrators

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  1. Igor D.

    Igor D.

    mysql & mongodb expert

    Macedonia - Last active: 1 month ago - Tests: 9 - Portfolio: 3

    -Data Modelling and Database Design Create database designs by performing needs / requirement analysis, creating a logical mode, and then implementing the physical model. -Backup and Recovery Making periodic backups of data and keeping it safe from accidental or intentional destruction. Testing recovery plans so that when problems do arise, data can be restored quickly. -Capacity Planning Watch data growth, and plan how best to deal with it. This may include archiving it, increasing the size of current hardware, or adding new hardware. -Change Management Server configurations, database schema change over time. Perform impact analysis before changes are made, implement changes, test changes, and document them. -High Availability Ensure high availability, including use of log shipping, clustering, database mirroring, and other technologies. -Monitoring Monitoring performance, monitoring server disk space, monitoring logs, ensuring jobs have run successfully, checking for errors, and so on. -Needs/Requirements Analysis Perform needs/requirements analysis. Talking to users, finding out their needs and requirements, and determining the best way to meet them. -Performance Tuning Monitor performance to determine ways to optimize database performance. -Report Writing Writing reports against databases in transact-SQL code to extract the data, or creation and formatting physical reports. -Security Control who can access data and what they can do with it. Creating SQL Server login IDs, database IDs, assigning permissions, moving security between servers. -Testing Testing servers, testing databases, testing applications, testing management tools, and so on. Ensure that data integrity and high availability, is maintained at all times. -Training Users Sharing knowledge with other DBAs, developers, or end-users. -Working with colleagues Interacting with other DBAs, developers, end users, product-knowledge specialists, vendors, accountants, hardware experts, and networking experts.

    $48.89 /hr
    353 hours
    5.00
  2. Marin Katic

    Marin Katic

    SMB IT and Microsoft Office 365 Specialist

    Croatia - Last active: 1 month ago - Tests: 6

    Microsoft Certified Specialist. Microsoft Server, Office 365, Windows Azure, Microsoft Desktop. 18 years of experience in planning and administering Microsoft platforms in Insurance companies and IT companies. Leading teams of IT specialists. Experience with dedicated security solutions (logging, identity management, database access monitoring). Social skills experience: Help Desk and Desktop and App administration for over 500 users.

    $30.00 /hr
    57 hours
    5.00
  3. Rob Williams

    Rob Williams

    Wordpress Expert, OPENCART 2.0, & OPENCART 1.5.x Specialist

    Ireland - Last active: 1 month ago

    I am a full stack developer of PHP, MySQL along with Wordpress and Opencart having 4+ years of experience. Since last 4 years, I have developed more than 40+ OpenCart and 30+ Wordpress projects, in which includes extensive customization and adding new features.I always love to work on large scale complex projects and full of thoughts and ideas,knows open cart page by page,class by class and expert in developing extensions and modules.I believe in providing quick turnarounds and delivering you the best of our services, no delays & best price assured always. I look forward to build a good relation with client by giving them the quality and right solution they are looking for. We also provide fast track 24 Hrs. quick fixing and designing service. Services: Opencart Ecommerce developer = Responsive theme development using bootstrap 3 = Module development using jquery/html5/css3. = Payment API integration. = Shipping API integration. = Custom user design tools using html5 and css3. = Fixing Bug HTML & CSS: - Compliance with W3C standards, - Search Engine optimization (SEO), - Clean, descriptive and valid code, - PSD to HTML. PHP: - OOP, - Clean and commented code, MySQL: -Database design, -Minimization, -Implementation. WordPress: - Install, - Migrating and cloning, - Assistance, - PSD to Wordpress, - Responsive themes, - Customization, - Develop themes, - Plugins modifications, - Familiar with Thesis, Genesis and other frameworks. - Familiar with Twitter Bootstrap.

    $38.00 /hr
    50 hours
    4.50
  4. Konstantin M.

    Konstantin M.

    Linux and Windows sysadmin

    United States - Last active: 1 month ago - Tests: 3

    Need a reliable, professional and responsible sysadmin? You are looking at the right profile! About me: - 6 years of system administration (both Linux and Windows servers) experience - Effective team player as well as independent problem-solver - Committed to the highest standards of ethical and professional conduct Skills: - Web-servers: Apache, nginx - Databases and DBMS: MySQL, MariaDB, PostgreSQL - Operating systems (server): --- Linux: Debian, Ubuntu, CentOS, RHEL, openSUSE --- Windows: Windows Server 200(3|8|12) --- OS X: OS X Server - Email: Postfix, Dovecot, Exim, Amavis (SPF and DKIM), postgrey - Virtualization and containerization: xen, docker, Vagrant - Configuration management: ansible - Backup software: Bacula, custom scripts, rsync, Acronis products - Version Control and collaboration: Git, github, bitbucket - Monitoring: Nagios, Icinga - Programming and scripting: shell, Python, C Principles: - "I will not sign up for a project that I am not comfortable with" Meaning: I am not here to take your money no matter what - my only goal is to add value to what you already have and what you plan to achieve. - "Plan, develop, deploy, maintain, continuously improve" Meaning: My project management principles are very simple: each stage of the project matters. What's more, every detail adds up to that project's final look and feel. - "Transparency is the key" Meaning: I believe in open and honest working relationships. Open communication, personal integrity and trust are the key driving factors in relationships between people. And, of course, recommendations are available upon request!

    $30.00 /hr
    135 hours
    4.98
  5. An SheiPei

    An SheiPei

    iOS & Android app Developer

    China - Last active: 1 month ago - Tests: 1 - Portfolio: 7

    During last 5 years, I have developed lots of games and apps for iOS and Android platforms, which are widely used over the world. I am expert in development tools such as Xcode, Android Studio. As a developer, I promised with you following services; - High Quality - Smart & User-friendly UI - Hard Working - Double Speed - Idea Contribution I have rich experienced in the following areas. APIs & Frameworks - Languages: Cocos2d/Cocos2d-x, Objective-C, Swift, Java, MySQL, Visual C++. - Platforms: Android, iOS, Windows - Tools: Xcode, Eclipse, VisualStudio. - Frameworks: Cocos2d-x, Cocos2d - Web Service, XML, JSON, RSS - Admob, Chartboost, RevMob Code Management - Git ( Github, Bitbucket, Barnyard ... ) - Svn ( XP-Dev, ... ) Thank you for reading my letters. An SheiPei.

    $30.00 /hr
    30 hours
    5.00
  6. Declan G.

    Declan G.

    15 years Microsoft Access database design and development

    United Kingdom - Last active: 26 days ago - Tests: 12 - Portfolio: 3

    As a problem solver, I have designed and developed easy to use office, school, college & library management systems with Access. If you want to be in control of your data, I can provide the tables, queries, forms and reports to make your daily business tasks as you envision them. Get things done efficiently. See your progress with every record added. I can provide the results you need. With 15 years experience and ever increasing adoration of MS Access I create time and money saving solutions. I have achieved top 10% test results for MS Access (among others) in oDesk and Elance. I have closely watched MS Access at every level and love producing small or complex but always effective database solutions for busy small organisations. Long live MS Access!!!

    $30.00 /hr
    36 hours
    4.86
  7. Droid Networks

    Droid Networks

    Droid Networks

    Costa Rica - Last active: 10 days ago - Tests: 4

    With 8+ years of experience working with small, medium and large enterprises; our team of specialists will go out their way to get things up and running when you need it. We'll not accept payment if the job is not completed to client's satisfaction. We've got passion to resolve IT issues, not for taking money quick and leave you with temporary solutions.

    $30.00 /hr
    23 hours
    4.89
  8. Andrew S.

    Andrew S.

    US-Based Microsoft and Citrix Systems Engineer

    United States - Last active: 3 days ago - Tests: 4

    I've been administering Microsoft-centric server infrastructure for the last 7 years, and have in-depth experience with design, deployment, repair and support of all Citrix, VMWare, RES, and many Microsoft technologies. My experiences range from server administration roles, specialized application support, desktop support, virtualization implementation and administration to advanced networking jobs. For the last three years I've also been working with Virtualization Consulting firms to design, build and support the following: -Citrix XenApp, XenDesktop, XenServer, NetScaler products -VMWare ESXi and View -RES Workspace Manager, Automation Manager, Orchestration/IT Store -Microsoft RDS, Server 2003-2012R2, Hyper-V I am confident I'll be a great asset to your project or organization, and look forward to working with you!

    $95.00 /hr
    470 hours
    4.93
  9. Joseph B.

    Joseph B.

    ColdFusion / jQuery / Database Programmer

    United States - Last active: 28 days ago - Tests: 2 - Portfolio: 3

    Web Programmer with over 5 years professional experience creating applications utilizing ColdFusion and JavaScript (jQuery + AJAX) technologies. Over 7 years experience in database analysis, design, programming and warehousing. Available to develop or assist in the development of database driven ColdFusion web applications with jQuery front-end logic. Also available for database development tasks across SQL Server, MySQL, Oracle and Access platforms.

    $50.00 /hr
    417 hours
    4.93
  10. Rômulo S.

    Rômulo S.

    Software Developer - Python, Ruby, Java, JavaScript

    Brazil - Last active: 4 days ago - Tests: 4 - Portfolio: 8

    Senior software developer with a broad skill set. Very quick learner. I do my best to write beautiful, efficient, and thoroughly tested code. I've handled all kinds of code bases - small to large, simple to complex, ancient to bleeding edge. I'm comfortable with any modern programming task. I've been a Linux user for over a decade and I'm well versed in server administration. Available part time, 10-30 hrs/week @ EST+3. Currently looking for Python, Ruby, node.js, Java, C# and JavaScript jobs. Programming languages and frameworks I have worked with: Python - Django, Flask Ruby - Rails, Sinatra Node.js JavaScript - jQuery, Backbone, Marionette, Angular Java - Spring, Play .NET - C#, ASP.NET MVC PHP - Wordpress, Laravel, Silex, Symfony Shell scripting MUMPS - InterSystems Caché Databases I have worked with: MySQL Postgres SQL Server Ingres MongoDB InterSystems Caché

    $55.56 /hr
    442 hours
    4.90