Network & System Administrators

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  1. Brad R.

    Brad R.

    MCITP, MCSE, Virtualization, Network Engineer/Mangr, Writer

    United States - Last active: 21 days ago - Tests: 3 - Portfolio: 1

    Experienced Technology Leader, Implementation Manager, Change Agent and MCSE/MCITP. In-depth knowledge of IT systems and operations, project management, large-scale system implementations and information security with over twelve years with hands on experience as an Enterprise Administrator and Network Manager in NT, 2000, 2003 and 2008 environments. Extensive experience in Server Virtualization including VMware and Hyper-V integrated with HP and EMC SANs. Practiced understanding of Exchange, Lync Server 2010, Fortigate UTM devices, Active Directory, PKI and DFS. Five years of experience as a corporate Microsoft/Certification trainer and serving as an MCSE/CCNAinstructor for technical schools, colleges and corporations such as AT&T; and Comcast Cable. I have created course curriculum for two online schools. I am extremely proficient in Server 2012 and 2008, including Server Core edition, Hyper-V, Fortinet, VMware, Procurve, HP and EMC SANs, Active Directory, Exchange, SQL, Procurve 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 a professional writer and have contributed to several white papers and authored published articles in professional journals. Have also written and reviewed test questions for IT professional certifications. I am looking for other opportunities to supplement my work load. My Microsoft Profile can be accessed by this link: http://www.mcpvirtualbusinesscard.com/VBCServer/brad.rudisail/profile For more information on me go to www.bradinthecloud.com

    Groups: Microsoft Certified Professionals

    $34.94 /hr
    1,818 hours
    4.96
  2. Devon Kurland

    Devon Kurland

    Linux System Administration Professional

    United States - Last active: 1 day ago - Tests: 3 - Portfolio: 1

    With over 7 years of experience, I am prepared to tackle the most challenging requests in the wonderful realm of Linux and the web at large. I have experience not only with Linux, but also with Windows and Mac OS X. I also have a working knowledge of SQL, python, bash, and perl.

    $50.00 /hr
    2,088 hours
    5.00
  3. Anton T.

    Anton T.

    MODx Developer / PHP / MySQL / JS / Linux

    Russia - Last active: 15 days ago - Tests: 9 - Portfolio: 22

    MODx Revo/Evo developer. Over the last 9 years of working in web developing industry. I have experienced as team working (including team leader position) as well as independent freelancer. Now scope of my professional interests range from light-weight web sites to highload portals and startups. In recent years I'm developing sites mostly based on MODx CMS/CMF, but i also worked with other frameworks: Zend Framework, osCommerce, UMI.CMS, Bitrix, WordPress, Joomla and about 3-5 self-made nameless CMS. Also I have strong expirience in integration of 3rd party applications, payment systems API (Card gateways, PayPal, SMS gateways, WebMoney, Yandex.Money, RBK.Money, Money[at]Mail.ru, Qiwi), websites optimization (according to GTmetrix and Google Page Speed Test). In addition, I possess high-quality 2 years expertise in software and web testing. At your service!

    $33.33 /hr
    1,253 hours
    4.98
  4. Aaron Summers

    Aaron Summers

    Linux Cloud Engineer / 14 Years Real World Experience

    United States - Last active: 13 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
    5,584 hours
    4.97
  5. Vladislav Y.

    Vladislav Y.

    Network Expert (Cisco CCIE),Datacenter and Virtualization Professional

    Russia - Last active: 13 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
    7,165 hours
    5.00
  6. Lucia R.

    Lucia R.

    Infusionsoft Expert | Consultant | Reliable | Excel VBA Macros

    United States - Last active: 1 day ago - Tests: 9 - Portfolio: 10

    Expert in Infusionsoft: High Level Marketing Automation, Campaign Builder, E-commerce, Billing Automation, Customer Hub, Wordpress integration, Reporting and more. Over 5 years on oDesk/upWork, more than 2,300 hours, worked 60+ jobs with a 5 Stars feedback and a TOP RATED badge. I have launched and maintained several Infusionsoft applications implementing complex campaigns and marketing automation successfully. I have also integrated the app with Customer Hub, LeadPages, PlusThis, iMember360 and Wordpress. I can now help you and your business grow by doing the same. I can also teach you 1 on 1 or train your team on how to use Infusionsoft efficiently including sharing my own tricks and works around. I will gladly give you my advice on any existing campaign or provide you with ideas on how to use Infusionsoft to its full potential saving you time and money by automating tasks and process. I enjoy assisting others in solving any problems they may have, be it service, technical, information or support related. I have the knowledge, experience, skills, qualifications and drive needed. I'm also an expert in VBA MACROS EXCEL and WORDPRESS because I truly find it a challenging & rewarding field. My Database background offers an advantage in better understanding today's expanding information technologies. However I'm very versatile and I have successfully perform other tasks like project manager, bookkeeping, logistics, etc. Because of my experience, education (Computer Engineer / Masters in Computer Science/ Consultant Certified), desire, skill base, not to mention my extremely high rate of typing, I am able to accomplish any number of different job assignments accurately, above expectations remarkably fast, most within a mere matter of hours. I prefer to choose only jobs I enjoy doing, therefore I know I'll do the job right fast. Only in this way does everyone benefit. Excellent oral & written communication, troubleshooting, problem-solving, organizational skills, with the ability to effectively interact in all levels of management & customer bases. Manage multiple customer cases simultaneously, provide regular progress updates to customers & management. Ability to think strategically & outside the box while presenting technical concepts & actions in a clear manner to management or customer clientele. 18 yrs of IT experience with all size companies. Large as AT&T, Monterrey Tech, CEMEX, Towers Watson & Microsoft. Medium and Small like Propel Consulting, SchulzBusiness, Pure Salt Design, etc. were I've won top awards. 100% fluent in Spanish & English, able to translate and/or transcript in either.

    $78.00 /hr
    2,379 hours
    5.00
  7. Bogdan B.

    Bogdan B.

    Sr Linux System Admin (Nginx, Magento, Percona, Mongo, Redis, MySQL)

    United States - Last active: 1 day ago - Tests: 2 - Portfolio: 5

    - Linux maintenance/troubleshooting (RHEL, Centos, Debian), - Cloud hosting (Amazon EC2, AWS, S3, Digital Ocean), - Networking (dhcp, DNS:powerdns/bind/named, vpn: openvpn/pptp, firewalls: iptables/ipfw, qos, proxies), - LAMP/LNMP Stack - Mail servers (exim, postfix , antispam/ antivirus: clamav/spamassassin/amavis, courier, dovecot), - Bulk marketing (DKIM, SPF,DMARK,ADSP, high speed/inboxing, Interspire, PowerMTA), - Automation (puppet, shell scripting), - Automation Deployment (Capistrano) - Monitoring (nagios,Icinga, zabbix,Cacti,Graphite), - Magento System Performance Optimization - Wordpress Performance Optimization - Mysql Perfomance Optimization, Replication - Full Disk Encryption / Remote Unlock /PXE unlock (Luks/DiskCryptor) - Load Balancer (haproxy)

    $38.89 /hr
    266 hours
    5.00
  8. Carlos Valdes

    Carlos Valdes

    Server Infrastructure / Application & Desktop Virtualization

    Mexico - Last active: 5 days 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
  9. Sergii Lysiuk

    Sergii Lysiuk

    Network Security VoIP Specialist - Cisco, Juniper, Linux, Asterisk

    Ukraine - Last active: 9 days ago - Tests: 17

    I am looking for projects that I can complete on a part-time basis. They can be either short term projects or long term projects. I can also provide ongoing consulting and administration if needed. I am experienced in Cisco Routing & Switching, MPLS, Security, Network infrastructure applications ( SNMP, Radius, DNS, DHCP , etc) Voip - including Asterisk, Call-Manager , Unity, FreePBX, Elastix. Server administration experience ( Linux, FreeBSD)

    $38.89 /hr
    381 hours
    5.00
  10. Dragos Madarasan

    Dragos Madarasan

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

    Romania - Last active: 4 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