IT & Networking Administrators

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  1. Sandor M.

    Sandor M.

    System/Network administrator

    Romania - Last active: 1 day ago - Tests: 7

    Over 10 years experience as Linux administrator . Configured and maintained hundreds of servers having different tasks : web server (Apache/Nginx+php/ruby/perl), mail server (with AV and spamassassin), file server, mysql/postgresql, dns, IM server, VOIP, firewall/VPN. As a network administrator in a small WISP i built my skills up in wireless, routing/BGP, routers/swithes/firewalls, network monitoring/troubleshooting. I write my own scripts (shell/Perl) . Also i have limited experience in programming, mostly Php and C. Serverfault profile : http://serverfault.com/users/164490/sandor-marton

    Groups: Upwork Verified Web Developers

    $35.00 /hr
    2,962 hours
    4.97
  2. Nallamala V.

    Nallamala V.

    Docker / AWS/ GCE/ Azure/ Linux/ LAMP / DevOps/ PostgreSQL/ Ansible

    India - Last active: 1 day ago - Tests: 4

    Docker & AWS & Azure & Google Compute Engine & Cloud and System administration & Production Support & Migrations & Cost Optimization & Security hardening & Performance Tuning & High availability & 24/7 detailed Monitoring & Automation & Continuous Integration & Chef & Ansible & Jenkins & LAMP & Shell Scripting EXCLUSIVE SERVICES: Docker, Ansible, Cloudformation CLOUD ASSESSMENT AND STRATGEY: Rapidly evaluate, define opportunities & the roadmap to move your IT to the Cloud. Create the optimal platform for building Systems of Engagement. I will help you develop your cloud strategy to ensure seamless and effortless migration of applications, platforms and infrastructure. DESIGN & IMPLEMENTATION Create high available and scalable architecture keeping the infrastructure and maintenance at cost at minimum. DATA CENTERS TO CLOUD MIGRATIONS (LIFT n SHIFT): Pre-migration readiness assessment. Services to seamlessly migrate your infrastructure to the cloud without any business downtime along with processes for security, backup and DR CLOUD AUTOMATION AND OPTIMIZATIONS Run your infrastructure with high efficiency by optimising and automating cloud deployments. Cost and Performance optimization. DEVOPS SERVICES Make use of industry best practices to automate the infrastructure provisioning, scaling , backup, monitoring, patch updates, code deployments TECHNOLOGY EXPERTISE: Public Clouds: AWS, Azure, Google Compute Engine Stack Migrations and Deployments: LAMP/LEMP( Wordpress, Drupal, Magento, Joomla etc), Java, RoR, .Net, Python(Django), Node.js OS Administration: Linux, Windows, Mac Web/App Servers Administration: Apache, Nginx, HAProxy, Tomcat, JBoss, IIS, Puma, Rails, Database Administration: MySQL, Postgres, SQL, Mongo, Cassandra Cache Mangament: CDN, Redis, Memcached, Varnish Automation Tools: Chef, Ansible, Jenkins, Docker Monitoring Tools: Nagios, Zabbix, NewRelic, Data Dog, Opsview Security: OpenVPN, Nessus, OSSEC Experience: Migrated 300+ Applications to AWS, Azure and GCE. Managed 10000+ VM instances in cloud. Migrated and Managed high popular applications to cloud. Designed highly scalable , available and secured architectures for popular e-commerce and Enterprise applications. Migrated and managed HIPAA complaint applications.

    $49.00 /hr
    2,517 hours
    4.81
  3. M.iqbal A.

    M.iqbal A.

    Expert in .NET, C# , ASP.NET, SQL SERVER, Sockets, WCF

    Pakistan - Last active: 3 days ago - Tests: 8 - Portfolio: 15

    My major skills are multithreading, socket/network and web programming using .NET technologies, such as Sockets, ASP.NET, WPF, WCF, EF. My desktop applications development experience includes several big Windows Forms projects for banks. Developing solutions for atm machines using XFS and other vendor supplied sdks. I`m fully competent in web application development using asp.net/mvc as a front-end and JQuery/AJAX/WCF for communication with server, plus operating with databases using ADO.NET or modern ORMs like LINQ toSQL and Entity Framework. I have a significant experience in atm machines programming. Protocol designs and implementation specially in financial domains.I have worked on many banking applications . I am very strong in TSQL, as I developed hundreds of Stored Procedures, Views and other queries during my 5 year working experience in a finincial industry. Expert in: .Net , C#, ASP.NET, Vb.net , VB6 , VBA , SQL Server , Oracle, JavaScript , OOP, Ms Access and software design , Software architecture and testing.

    Groups: Microsoft Certified Professionals

    $33.33 /hr
    1,471 hours
    4.98
  4. Oleg Batishchev

    Oleg Batishchev

    Magento Jedi / Senior Web Developer / Consultant

    Russia - Last active: 1 day ago - Tests: 6 - Portfolio: 9

    Hello dear customer, Yes, I'm not wrong, cause after read that you will wanna to hire me ;) Well, now seriously ... I am a highly experienced verified by oDesk web developer who has primary direction of activities in e-Commerce web-developing, in that case it's a Magento area. I'am an adept of Magento and if you don't know what is it and you wanna e-commerce site you have to contact with and I will explain how is Magento awesome. I have 3 years experience in Magento and 9 years total in PHP developing with an MVC, different CMS (Wordpress), frameworks (Yii, Zend) and other. I always stick to the coding standards and follow the best practices to provide seamless, readable and reliable code. Besides developing I have some administration skills to manage servers, automate routines and can improve performance of Magento backend and frontend as well. Also I can setup the server from a scratch. I prefer a stack for Magento consists of: Nginx, Php-Fpm, Redis, Apc, Mysql 5.5 (5.6) (Percona better), SOLR/Lucene/Sphinx. I prefer do not install any control panels but if required I would prefer ISP Manager 5 Lite. Magento related Experience and Services - Optimization, load improvements, speed up - Extension development and customization - Troubleshooting - Tweaks & tricks - Bulk importing. Do you have 100k products? It's not a problem - Store migration - AWS, Rackspace building an architecture of you infrastructure - Core upgrade - Magento recurring support - Bug/error fixing - Theme design and customization - Consultation - Code review I also have some basic skills in the desktop programming (C#) and some Photoshop skills. I'll be glad to new acquaintances and long-term cooperation. I have a team of developers and every day we are expanding. Just hard to write all things what I can do. I am easy learnable for new stuff (frameworks, custom systems, foreign code). My strong side is a backend developing and have a good knowledge of a frontend side: - HTML5/CSS3 - Bootstrap - jQuery - Ajax - WebSockets, Long polling - Prototype - ExtJS - Google API, Yandex API - many other things that I can't remember at this moment. Also in a less degree Angular, Backbone and other frameworks/libs. Communication Channel : Skype/Whatsapp/Email/Phone I have listed only a little part of my portfolio cause I have many jobs completed and I can't add every job to profile.

    $45.00 /hr
    1,140 hours
    4.98
  5. Ilya I.

    Ilya I.

    Expert Linux administrator, Devops

    Thailand - Last active: 1 day ago - Tests: 7

    My goal is customer satisfaction. If you need to get something done - leave it to me. OS: Linux - expert, FreeBSD and Windows Server - proficient Cloud services: AWS, Rackspace SCM: Puppet, Ansible Web servers: Apache, Nginx, Tomcat Database servers: Mysql, Postgresql Atlassian: Jira, Confluence, Crowd, etc - the whole suite Monitoring: Nagios, Groundwork, Zabbix, Monit, Munin, Cacti Virtualization: Openvz, Vmware ESXi/server, Proxmox Mail servers: Zimbra, Exim, Sendmail, Dovecot Backups: Bacula, duplicity, rsnapshot High availability: Corosync/Pacemaker, DRBD Other: standard network services (DNS, DHCP, LDAP, Samba, SVN/Git, http proxy, jabber, VPN, backups, monitoring etc), firewalls and routers (iptables, iproute, VLAN, bridging, bonding). Performance optimization: Magento, Wordpress, etc.

    $95.00 /hr
    2,529 hours
    4.84
  6. Topher L.

    Topher L.

    Specializing in Server Administration, Configuration, and Deployment

    United States - Last active: 1 day ago - Tests: 5

    I have been in the telecommunications industry for over 13 years and have worked as a consultant to major Fortune 500 companies in the past for both business and technology needs. I have a vast knowledge of anything that relates to the internet, both hardware and software realms and have worked on a variety of projects ranging from the simple to large scale transition ones spanning months at a time. I understand a business' need to get projects done right the first time and have always exceeded my clients goals. If they're not happy, I'm not happy. I have a dual bachelors degree from the University of Colorado at Denver in Business Information Technologies and Business Management. My Masters in Business Administration is in International Business and most IT skills I have picked up on my own or through various courses either online or at the local community college. I look forward to working with you and completing any projects you may have, from the quick fix to an entire server farm rebuild. I am also a word class back end programmer familiar with MySQL, Bash, PHP, Perl, and Python. Please, no front end design work, I don't have an eye for creativity (unless it's something simple of course). I look forward to working with you and any projects you may have for me.

    $39.00 /hr
    345 hours
    4.98
  7. Umar Draz

    Umar Draz

    Sr. Unix/Linux System/Network Architect

    Pakistan - Last active: 7 hours ago - Tests: 2 - Portfolio: 5

    Senior systems architect, UNIX/Linux/Solaris, VMware, OpenStack and data-center administrator, software programmer, project leader with a proven track record of applying years of experience and good practices to the specification, architecture, design, implementation and maintenance of communications information technology systems. Well-versed in the latest computer languages, operating systems, network and system administration techniques, seeking a position where my hands-on self-motivating passion with the technology provides me with a unique understanding of how to balance conflicting requirements and bring complex enterprise level IT projects to a successful completion. Ability to work both independently and as part of a team, with demonstrated results in leading and contributing to projects, interfacing with stakeholders, while training and mentoring junior staff. Also great at troubleshooting complex problems. LANGUAGES: HTML, JavaScript, Perl, PHP, LAMP, Regular Expressions, Bourne/Korn/Bash/Csh/Tcsh Shells, Structured Query Language (SQL), Python. TOOLS: Application Servers (Apache, JBoss, Tomcat, Nginx,), DBMS (Access, DBase III/IV, MySQL, Oracle, MongoDB), UNIX Scripting (all UNIX Shells, AWK, Perl, SED), Security Hardening and Performance (IP Filter, Fail2ban), Storage, Moosefs, Virtualization (SANS, NAS, VMware vSphere Server/vCenter, OpenStack, Xen)

    $33.33 /hr
    3,955 hours
    5.00
  8. Vladlen E.

    Vladlen E.

    Probably best UI/UX , Icon and Logo Designer.

    Russia - Last active: 7 days ago - Tests: 4 - Portfolio: 35

    I have more than 19 years of experience in the advertising industry, this includes graphics design, logos, web, ux/ui, 3D and packaging design. Adobe ACE (certified expert). Perfect knowledge: Photoshop, Illustrator and Indesign. You may think my rate too high? It's not. While other contractors making money by wasting the clients time, I do the job fast and with excellent quality! UI/UX/Web: http://dribbble.com/ssh4 and http://iosology.com Old Works: http://krukka.ru Font design: http://www.paratype.com/pstore/fonts/Somaton.htm and http://www.paratype.com/pstore/fonts/DJ-parade.htm 3D modelling in Lightwave3D from old Amiga's years. Animation and video upscaling (SD -> HD) and remastering. Avisynth/x264 encoder. Photoshop layer effects: http://texteffects.iosology.com/ So I can do *any* kind of design work.

    Groups: Upwork Verified Mobile Developers

    $50.00 /hr
    378 hours
    4.80
  9. Andrey Semenischev

    Andrey Semenischev

    Expert in PHP coding and MySQL optimisation

    Russia - Last active: 7 days ago - Tests: 14

    I'm WEB programmer. I have more than 12 years expierence in site-creation field. I work with PHP, Smarty, MySQL, JS, HTML, Linux adminstration (httpd, mysqld, iptables etc.). I have developed and changed a wide range of websites and backend systems. I also have a rich experience in AJAX, OOP, software testing. Feel free to work.

    Groups: Upwork Verified Web Developers

    $38.89 /hr
    1,530 hours
    5.00
  10. Ismet Dumlupinar

    Ismet Dumlupinar

    MCITP (System Administration), MCT, MCSA, MCSD: Web Applications

    Turkey - Last active: 12 days ago - Tests: 14 - Portfolio: 13

    Experienced System Specialist, MCSA/MCITP/MCSD. In-depth knowledge of business operations and Information Tecnology Systems, project management, enterprise system integrations and information security with over eight years with hands on experience as an Enterprise Administrator and Network Manager in Windows Server 2003 & Windows Server 2008 environments. Experience in hardware and software virtualization using VMware and Hyper-V and App-V. Practiced understanding Active Directory, Group Policies, NPS, NAP, Exchange, SQL Server, Dynamics CRM, ERP, PKI and DFS. Experience as a corporate Microsoft/Certification trainer at one of gold certified partners of Microsoft. Proficent in Server 2012 and 2008 (inc.Server Core edition), Hyper-V, switches and many other technologies. I have been highly involved in server virtualization for seven years and am proficient in both VMware and Microsoft Hyper-V. I am also providing consulting services for web applications. I am a member of DotNetNuke Corp Internationalization Team and I'm working to expand product features to fully support Turkish localization. I am always looking for new opportunities to develop my skills. Check my Microsoft Profile below: https://www.mcpvirtualbusinesscard.com/VBCServer/idumlupinar/profile

    Groups: Microsoft Certified Professionals

    $75.00 /hr
    2,230 hours
    4.86