IT & Networking Administrators

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  1. Timur Birsh

    Timur Birsh

    Unix Systems Expert and Oracle DBA

    Kazakhstan - Last active: 20 days ago - Tests: 7

    Hello, Over the last 15 years, I am working with the following Unix systems: BSD based systems, Solaris and Linux distributions including Debian, RedHat Enterprise Linux, CentOS, Oracle Linux and Ubuntu. Over the past years I have developed a wide range of solutions: VPN, proxy, mail, web, file, Samba, DNS, DHCP, SSO, database, monitoring, backup, virtualization and high availability servers. I am Oracle DBA with the 5 years of experience. I work for financial institution. On my control a 21 databases. Mission critical and big databases runs on the IBM hardware and AIX operating system. Other databases runs under control of Solaris (SPARC) and Linux operating systems. For data protection we use Data Guard. One of the best products of the Oracle is Enterprise Manager Cloud Control. We use it for the databases and hosts monitoring. Its management repository contains a lot of information. It is very useful in building of custom applications (reports, etc). I have work experience with the following Oracle RDBMS versions: 8i/9i/10g/11g. I am big fan of a tasks automation. For small jobs I use shell scripts. For jobs that have complex logic I use Python or Perl. For complex text processing I use awk, sed and shell scripts as a glue. I have 5+ experience of C language programming for Unix. Hardware administration of the following vendors: Oracle (Sun), HP, Dell. I am contributor of the following free software projects: Debian (http://qa.debian.org/developer.php?login=taem@linukz.org), Transmission Bittorrent Client, inadyn Dyndns client. I maintain the following opensource programs: * sXid - http://linukz.org/sxid.shtml * cd-discid - http://linukz.org/cd-discid.shtml I use Git for source code management. I would be happy to help you. Please do not hesitate to contact me.

    $33.33 /hr
    18 hours
    4.97
  2. Sudan D.

    Sudan D.

    Network Engineer : Cisco : Juniper : Fortinet :

    Nepal - Last active: 1 day ago - Tests: 6 - Portfolio: 4

    Despite the fact I am in young age I have years of experience with computers, networking and system. I am very tenacious and autodiact technical person for Cisco and Juniper Enterprise Network. I love to dig deep into specific technical challenges. 6+ years experience in Enterprise Netwrok. # Hands On Experience # Cisco: ASR 9K, ASR 1K, Nexus 7K, Nexus 5K, 4507R+E, 3900 Series, 2900 Series, 3850 Switches, 3650 Switches, 2960X Switches, ASA 5525X, ASA 5515X, ASA 5512X Juniper: MX40, MX5, SRX 550, SRX 240, SRX 220, SRX 210, SRX 100, EX 4300, EX 4200, EX 3300, EX 2200, MAG 4610, etc. More from Other Vendors # Some Highlights # @ Defining architecture and design for Enterprise customers. @ Lead engineer on some of the big enterprise networking projects. @ Training Internal Employee and customer. Main focus on Cisco and Juniper internetworks at Campus and Enterprise customers http://np.linkedin.com/in/sudandhakal

    $30.00 /hr
    131 hours
    5.00
  3. Vladimir Mott

    Vladimir Mott

    Microsoft Exchange, Lync, & PowerShell Expert

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

    Ex-Microsoft Senior Consultant with 15 years industry experience designing, deploying, securing and managing Microsoft Exchange, Lync, and Active Directory. Deep experience with multi-site deployments, Exchange Database Availability Groups, Lync Enterprise Voice,and hybrid Microsoft Office 365 deployments with SSO. Complex migrations to/from Exchange, Lync, and Office 365 are my specialty. Very experienced with complex hybrid / coexistence scenarios that require directory synchronization, federation, and custom PowerShell scripting. Excellent communication and problem-solving skills. I am based in California, USA. Technical Skills: - Exchange 2003/2007/2010/2013 - Lync 2010/2013 with Enterprise Voice - PowerShell Scripting - Office 365 - Forefront Identity Manager (FIM) - Active Directory - Windows Server 2003/2008/2012 R2 - Hyper-V - ADSI, LDAP, DNS, SMTP, TCP/IP

    $75.00 /hr
    523 hours
    5.00
  4. Andrii Ivanskiy

    Andrii Ivanskiy

    Administrator,DevOps,IT specialist

    Ukraine - Last active: 1 day ago - Tests: 1 - Portfolio: 8

    I am IT specialist with over than 6 years of experience on Windows and OpenSource (Linux) based technologies. I have strong skills on networking, operations systems, network services and applications: - Operating Systems - Windows (Windows NT, 2000, 2003, 2008, 2008R2, 2012), Linux (CentOS, Fedora, Red Hat), FreeBSD - Networks - TCP/IP, routing, VPN, NAT, iptables - Infrastructure and services - Active Directory, DNS, DHCP, Exchange, Lync - Cloud computing - Microsoft Azure, AWS - Applications - SharePoint, SharePoint Online, Office 365 - Databases - MS SQL , MySQL - Virtualization - MS Hyper-V, Vmware, Virtual Box - Scripting - PowerShell, Bash - Internet Technologies and Programming - IIS, Apache, Nginx, HTML, CSS, PHP, C#, ASP.NET, MVC

    $22.22 /hr
    47 hours
    4.85
  5. Julio Carvajal

    Julio Carvajal

    CCIE 42930,2xCCNP,Juniper Specialist

    Costa Rica - Last active: 1 day ago - Tests: 2 - Portfolio: 4

    Senior Network and Security engineer with more than 10 certifications from different vendors including a CCIE. As a Cisco TAC engineer I fixed over 2000 different issues on multiple platforms. Let me show you I am your network engineer. Certifications List: CompTIA Security+ CCNA JNCIA CCNA Sec CCNP Security CCNP Routing&Switching JNCIS-SEC CCIE Routing&Switching 42930 Languages: Spanish, English

    $77.78 /hr
    131 hours
    4.91
  6. Marius V.

    Marius V.

    Certified Systems Engineer

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

    I am a System Administrator focused on Microsoft products with 8+ years of professional experience on IT companies. I have extensive experience installing, configuring, administering and maintaining operating systems (Windows Server 2003, 2008, 2012) and services like AD, DNS, DHCP, WDS, Hyper-V, Exchange, SCCM, SCOM. Time spent working in this area has allowed me to achieve knowledge and improve my skills in computing that would make me well suited to assist you in accomplishing your goals. I work methodically and efficiently to insure that my partner is satisfied with the end result and the cost of job is well justified.

    $25.00 /hr
    127 hours
    4.97
  7. Anton White

    Anton White

    Full stack web developer (python, django, postgresql, javascript)

    Russia - Last active: 1 day ago - Tests: 4 - Portfolio: 2

    Programming experience 20 years, Python 6 years, Django 5 years. My main skill is a deep understanding of customer's business processes in combination with ability to participate in full stack development of the product. I am comfortable working as a member of a team or being a team leader and as an individual too. I have strong experience in different aspects of offline business thats why I understand customer's needs quickly. I enjoy creating responsive, useful and clear pixel perfect interfaces which are easy to understand and enjoyable to operate with. I am a qualified developer of commercial and corporate CRM, ERP and e-commerce systems based on modern tech stack and latest best practicies. I prefer making Single Page Applications based on Backbone + Requirejs + REST API because SPAs are blazingly fast and save a lot of resources on backend servers.

    $33.00 /hr
    72 hours
    5.00
  8. Lisa Lawson

    Lisa Lawson

    Expert MS Access Application Developer

    United States - Last active: 7 days ago - Tests: 3 - Portfolio: 11

    Hello! I have over 17 years of experience with MS Access and am thereby confident that I can meet your needs. I can enhance your current MS Access application or create a new one to your specifications. I have developed and currently maintain many MS Access applications, one of which allows both in-house and online website communication. As continued support, I work with my clients to offer new interfaces and custom reports based on their requirements. I offer 24/7 friendly support. Thank you for your consideration.

    $35.00 /hr
    190 hours
    4.99
  9. Sergey Zabolotnikov

    Sergey Zabolotnikov

    Network Administrator

    Russia - Last active: 3 days ago - Tests: 5 - Portfolio: 2

    Hello! My name is Sergey Zabolotnikov. I believe my strong points are my Productivity and Punctuality. My #1 goal will always be to meet your needs and deadline. I'm honest and fair. Since 2004, I'm IT infrastructure administrator at company about 100 employees. Also from 2012 I set up and deploy web-hosting and cloud services. I have a Bachelors in Automation and Software Engineering from South Ural State University in Russia. Listed below are my experience and skills. - Network technologies: TCP/IP stack, VLAN, QoS, LLDP, STP. Network traffic routing, shaping, firewalling based on Linux and FreeBSD. - OS: Linux, Windows, FreeBSD; - LAMP stack, Parallels PLESK Panel, cPanel/WHM, PostgreSQL; - Web-hosting security problems analysis; - Zabbix monitoring system; - Zimbra, Qmail, Exim, Postfix; - Mass email sending systems, email deliverability problems. - Active Directory, Group policy, RDP services, Microsoft SQL server; - DNS, DHCP, PXE, RIS; - Shell scripting and automation on Windows and Linux platforms; - Manual and how-to's creation. Work fast, precisely and attentively. Document all changes to production system. I can create detailed manual for customers to reproduce my work for project by himself.

    $10.00 /hr
    46 hours
    5.00
  10. Negoslav Pejovic

    Negoslav Pejovic

    Team Leader of Technical Support Engineer L1

    Serbia - Last active: 1 day ago - Tests: 2 - Portfolio: 3

    Quick and easy learning as well as pronounced talent to hand over knowledge, adaptability, creativity, burly logic. I’m analytical, devoted to job, undependable, sometimes perfectionist, but always loyal. Additionally I handle the pressure well, meeting the deadlines, being independent in solving tasks, etc. I’m very creative person, modest, and very good in impersonal work with colleges. Experienced at working in thing0 that demand very devoted approach, precision with very short terms and I come upon, in that, excellent. I want to prosper professionally and I’m up to strive in it, whereby overwork or any other activities which can be useful in your business.

    $11.11 /hr
    3,104 hours
    5.00