Network & System Administrators

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  1. Gautam Manohar

    Gautam Manohar

    Cloud Scalability & Devops Consultant

    India - Last active: 2 days ago - Tests: 4

    Skills : Puppet, Chef, Ansible, Docker. Rapid deployment & scaling in Amazon AWS, EC2, S3, RDS, SQS, SES, SDB, CloudFront, VPC, Nagios, Zabbix, Apache, Memcache, Mysql, PostGresql, MongoDB, PHP, Ruby, Capistrano, Hadoop, Apache Cassandra, ActiveMQ....(and more) IT professional with 7 years experience in various IT technologies and systems. Excited about rapidly scaling architecture, Linux/Unix systems administration and related technologies that enable a Robust, highly Available, highly Redundant Enterprise Class System.

    $66.67 /hr
    1,813 hours
    5.00
  2. Aaron Summers

    Aaron Summers

    Linux Cloud Engineer / 14 Years Real World Experience

    United States - Last active: 22 hours ago - Tests: 7 - Portfolio: 2

    Daily engineering and administration of OpenBSD, FreeBSD, Linux and Windows based operating environments. LAN/WAN: Experience identifying a large number of network and host based security problems. Stabilized the bandwidth billing system for accuracy and provided assistance to the web development team. UNX(tm)/Linux/BSD: Designed and built a custom Enterprises Data Ware House utilizing RedHat Enterprise Linux, IBM Information Server, and the Sun N1 toolkit. Back ported the RedHat clustering tools and GFS modules for RedHat Enterprise Linux 4. Customized the operating environment for running the IBM Information Server 8 family of applications, consisting of IBM DB2 V 9.3, IBM WebSphere 6.0, IBM DataStage and IBM QualityStage. Was the single onsite operations point for the HP-UX, Solaris, FreeBSD, MacOS X, and Linux machines. Wrote custom tools for monitoring and metrics. Fluent in the change management process as it relates to Sarbanes Oxley, internal, and external audits. Extensive documentation of custom applications, primarily our custom data warehouse solution. Designed and implemented the company's external web presence using Solaris 10. Utilized zones, the ZFS file system, and hardware RAID on the T2000 platform. Wrote my own tools in Perl, C, and the Bourne shell. Debugged many complex operational problems. Specialties Started running Linux around 1993, kernel was 0.99 Moved onto SunOS and Open/FreeBSD. Since have worked with HP-UX and SCO extensively. Currently work with RHEL, AMI Linux, CentOS, OpenBSD, EC2, Parallels, and Rackspace.

    $30.00 /hr
    5,568 hours
    4.97
  3. Dragos Madarasan

    Dragos Madarasan

    IT Consultant [MCSE, CCNA] , Google Apps Certified Specialist

    Romania - Last active: 3 days ago - Tests: 3

    During the past 4 years I have specialized in managing Windows, Active Directory based networks. I am skilled in System Center Configuration Manager 2007 and System Center Data Protection Manager (2007/2010). I also posses networking skills (TCP/IP, DNS, DHCP, VPN, Wi-Fi) and am comfortable with Cisco switches and routers. Lately I am very interested in cloud based applications and Google Apps in particular. I am a certified Google Apps Deployment Specialist

    Groups: Microsoft Certified Professionals

    $35.00 /hr
    124 hours
    4.70
  4. Carlos Valdes

    Carlos Valdes

    Server Infrastructure / Application & Desktop Virtualization

    Mexico - Last active: 22 hours ago - Tests: 10

    - To assist any company to successfully discover, develop and implement their talent with the talents and knowledge that I've been blessed.. - To educate and help our valuable customers to take the wisest choise for their investment, and lead them to be succesful. - To succesfully impact the life of anyone who come into my life, applying the right foundations: Trust, Responsibility and Integrity, and fulfill the purpose and destiny for what I've been created for. AREAS OF EXPERTISE - Leadership Skills - Oral & Written Communications - Time Management - Detail Oriented - Critical Thinking - Customer Relations - Staff/Client Training & Mentoring - Multitasking - System Integration - Server Engineering - Network Administration - Monitoring Results - Strategic Planning - Resource Optimization - System Analysis, Redesign & Testing - Application System Development - Software Quality Assurance SKILLS * Knowledgeable on Infrastructure and Networking technologies that include solutions based on Microsoft, Citrix, Altiris, VMware, Novell, and Linux products. * Database administration * Software QA & Testing experience (2.5 years) * System Testing, Design, and Programming skills with languages like Java, .NET VB/C#, Ruby, php and python. * Project Management Skills * Basic skills on Ethical Hacking and Penetration Testing - IT Training (Microsoft, Citrix and VMware)

    $30.00 /hr
    223 hours
    5.00
  5. Jesse Nickles

    Jesse Nickles

    WordPress + Loading Speed + SSL + Optimization

    United States - Last active: 22 hours ago - Tests: 6

    Skype: littlebizzy My specialty is loading speed and on-site optimization re: WordPress websites. Specifically, I can optimize your DNS records, web server (VPS), WordPress (cache, plugins, etc) and source code (HTML, CSS, JS, fonts, images, etc) to be more efficient and secure. I am well versed in WordPress (#1 on oDesk), WooCommerce, Nginx servers, CloudFlare, SSL certificates, and SEO. Loading speed and SSL are now two of the biggest factors in SEO according to Google, whose robots are constantly analyzing the quality of your website. Don't get left behind by the competition. https://www.littlebizzy.com/seo-is-dead (case study) Whether you need a one-time consultation, or fully managed WordPress hosting, I am not shy in making important suggestions that will improve the experience of your customers. I can work alone as a project manager of sorts or alongside your current team members. I stay in close touch with your team via email, Google Docs, and Skype. My recommended services: CloudFlare (DNS) - http://goo.gl/CMyxyZ Digital Ocean (VPS) - http://goo.gl/kY6AWB ($10 coupon) MaxCDN (CDN) - http://goo.gl/qawqv6 CodeGuard (backups) - http://goo.gl/FNF2j5 DigiCert (SSL) - http://goo.gl/bW5KJf YMLP (newsletters) - http://goo.gl/YqUFHi For email, I recommend Google Apps (name@company.com) + SendGrid (for things like lost password reminders, WooCommerce notifications, etc). My oDesk policies: - Not able to sign NDAs - Not available for phone calls - Free 30 minute Skype consultation - VPS servers do not have email services - When migration begins, please pause all work - Not able to join 3rd-party project management apps - Not available for tutoring, training, or creating manuals/guides - I automatically close out hourly contracts over $500 (renewal requested) - As a policy, I only work with DO's $10/mo VPS or higher, one domain per VPS *Serious clients only please, as I'm unable to offer "budget" pricing. I leave all of my oDesk clients positive 5-star reviews on completed projects, and I offer a 100% refund guarantee ~

    $33.33 /hr
    109 hours
    5.00
  6. Aldrin L.

    Aldrin L.

    Architect, Backend Engineer (Scala, Java, Hadoop)

    Brazil - Last active: 6 days ago - Tests: 12 - Portfolio: 1

    Over the past 15 years I've worked with projects ranging from Startups to Fortune 100s. From C++ to Scala, past assignments involved: - Protocol Design in C++/Delphi - Java API Publishing - Maven Plugin Development - Distributed Systems using RESTful backends - Scala / Akka Design - Jenkins Plugins Writing On a daily basis, I spend between Systems Architecture, Build Planning, for Hadoop and Restful Backends, specially under Amazon Web Services. Oh, I'm also a Cloudera Certified Administrator and Developer. Favorite platforms include Scala, Python and General Java. See my full profile for more descriptions and feel free to browse my github and bitbucket profiles at the addresses below: http://github.com/ingenieux http://bitbucket.org/aldrinleal Favourite customers involve pragmatic teams, with contant online presence, and direct involvement with the end customer, and a problem involving legacy and the next generation Feel free to discuss our next project - I'm always looking for the next challenge!

    Groups: LoginRadius, Microsoft Certified Professionals

    $55.56 /hr
    3,102 hours
    4.82
  7. Vladislav Y.

    Vladislav Y.

    Network Expert (Cisco CCIE),Datacenter and Virtualization Professional

    Russia - Last active: 22 hours ago - Tests: 4

    IT Professianl with 15+ year of hands-on experience, an Cisco Expert in both Routing&Switching (CCIE R&S since 2005) and Service Provider (CCIE SP since 2009) , Professional in Network Security (CCSP), Professional in Vmware Vsphere and Horizon view technologies (VCP-DT and VCP-Desktop) I have extensive experience with Cisco ( IOS, NX-OS) , Juniper, HP networking hardware and technologies, and strong on the side of Virtualization ( Vmware) and UNIX systems (Linux, Solaris, FreeBSD). Microsoft OSs are also part of my experience. I am certified in Linux/UNIX:RHCE on RHEL3 and SCNA on Solaris 9 and 10, also Microsoft-Certified: MCSE.

    $45.00 /hr
    7,133 hours
    5.00
  8. Muhammad Asif

    Muhammad Asif

    Wordpress | Wishlist Members Expert | DAP Expert | OP.2.0 Expert.

    Pakistan - Last active: 2 days ago - Tests: 4 - Portfolio: 19

    I am expert in building websites using: Wordpress, Php, MySql, HTML/CSS, Technical Customer Support Management, Joomla, Woo Commerce, Wishlist members, Digital Access Pass (DAP), Optimize Press 1.0 and 2.0, Genesis Framework, Woo Framework.. Cloning and migration. Integration of 1shoppingcart, Premium Web Cart, 2co, Paypal Clickbank. Customization of: Aweber, MailChimp, GetResponse, IContact Form and setting up. I am a quality communicator and deliver project in time so far throughout the Odesk history. I have earned certificate for Woo Commerce sites setup and Creation and Managing Responsive templates.

    Groups: Bluehost Developers and Designers

    $56.00 /hr
    4,603 hours
    4.99
  9. Ivan Ershov

    Ivan Ershov

    Cloud Architect/Engineer/Devops / Linux Admin

    Russia - Last active: 22 hours ago - Tests: 11 - Portfolio: 2

    Over the last 10 years, I have been working as technical support engineer/team leader/infrastructure architect for the different companies with on-premise/cloud hosting. My competency lies in planning, development, deployment and setup of the environments from scratch, troubleshooting/support/improvement of existing production systems based on Linux/Unix with the focus on automation and high availability. Have a lot of experience in automation/monitoring/backup of different distributed environments with LAMP stack and other applications, different clustering, scalability and high-availability techniques. Operating systems: Debian/Ubuntu, Redhat(Fedora, RHEL, Centos), Suse, AmazonLinux Level of skill with Unix/Linux: RHCE MailServers: qmail, postfix, sendmail etc Databases: Postgresql, Oracle, Mysql, noSQL databases (Mongodb, Cassandra, Couchbase, Redis etc) Clustering: RHCS, terracotta, heartbeat, pacemaker, distributed balanced setups Programming, scripting languages: Bash, PL/SQL, Ruby Clouds: AWS/Tata/RackSpace/CloudStack/Openstack/Azure Automation: Chef/Puppet, RightScale, AWS Opsworks,CloudFormation etc Continuous integration/deployment: Docker, Atlassian tools, Jenkins, SVN/Git, Codebase etc. Loadbalancers/proxies: Clouds LBs, Haproxy, mod_jk, Squid, Apache, Nginx Application servers: tomcat, jetty, jboss, Apache, Nginx, different PHP-based servers Monitoring: Nagios, Zabbix, Newrelic, OMD etc English: fluent Availability: up to 30hrs/week

    $38.89 /hr
    1,681 hours
    4.96
  10. Umar Draz

    Umar Draz

    Sr. Unix/Linux System/Network Architect

    Pakistan - Last active: 22 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
    4,057 hours
    5.00