IT & Networking Administrators

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  1. GABRIEL MEDRANO

    GABRIEL MEDRANO

    VMware Systems Engineer

    United States - Last active: 18 hours ago

    • Design and administration of VMware vSphere 4 & 5 Enterprise Plus hosting 1000+ Linux and Windows virtual machines on hosts across multiple sites • Design and configure VMware vSphere 5 components such as High Availability (HA), Distributed Resource Scheduler (DRS), vMotion, Distributed Virtual Switch (DVS), Host Profiles, Storage I/O Control (SIOC) and Network I/O Control (NIOC) • Design and administration of Lab Manager 4.x to support 400+ virtual machines • Understanding of SAN architecture and implementation as it relates to virtualization (NetApp, IBM XIV, EMC Clariion and VMAX) • Design and Administration of 25+ HP C7000 blade chassis, Virtual Connect Flex-10 configuration in support of Linux, Windows, and VMware blades • Citrix XenApp 5 & 6.5 (Windows 2003/2008) administration hosting 90+ applications utilizing Web Interface , Netscaler, and SQL datastore backend for internal and external customers • Design and Administration of Citrix XenDesktop 5.5 integrated with XenApp, Netscaler, and Access Gateway • Citrix farm consolidation and decommission • Create and manage Active Directory and Group Policy Objects to include DNS • All manners of Windows 2003 and 2008 Windows Server administration • Produce processes and procedures for system administration • Troubleshoot and resolve utilizing analytical skill set amongst a distributed and complex environment to include DNS, Firewall, Active Directory, SMTP, TCP/IP, and various network related issues • Excellent communications skills and rapport with fellow teammates. Ability to work as a team or independently

    $88.89 /hr
    131 hours
    0.00
  2. Dale Clay

    Dale Clay

    Back-Office System Consultant

    United States - Last active: 19 days ago - Tests: 2 - Portfolio: 2

    Experienced business and technology consultant specializing in implementing back-office solutions for small to medium-size businesses. Can quickly grasp existing workflow architecture, interpret business requirements, and redesign processes to be more efficient and user-friendly. Successfully implemented CRM systems, support and ticketing systems, logistics systems, and comprehensive HR management systems. I am dilligent, responsive and thorough. Please consider enlisting my help to address your company's back-office needs.

    $110.00 /hr
    15 hours
    0.00
  3. Herman Beltran

    Herman Beltran

    Philippine MCSE|MCSA|CCNA

    Philippines - Last active: 18 hours ago - Portfolio: 7

    IT Professional with 10 years working experience while possessing developed skills that have been gained through establishing and developing IT projects, networks and infrastructures. Experienced covers customer liaison, design, testing to successful implementation within budget, scope, timescales and process limitations. Extensive LAN, WAN, Hardware, Software experience. Working cross-functionally within a customer focused, multi-site environment, maintaining the delivery of IT services and technology projects. Up-to-date on IT developments.

    $11.00 /hr
    1,662 hours
    0.00
  4. Gerry Litwin

    Gerry Litwin

    Senior Application Developer

    United States - Last active: 18 days ago - Tests: 1

    Highlights: Demonstrated record of high performance standards, including attention to detail, schedules, deadlines, budgets and quality work. Extensive experience in: Visual Studio (2005-2013) ASP.NET (2.0 - 4.5.1) SQL Server (2000-2014) DevExpress Excel C# ASP JavaScript Object Oriented Programming .NET Compact Framework SQLLite MySQL Oracle Sybase HTML DHTML XML MS Visual Studio 6 MS Visual Studio .NET 2002/2003/2005/2008/2010/2012/2013 MS TFS MS IIS MS Project MS Visio MS SQL Server SQL Azure Windows Azure Adobe Photoshop. Freelance -Application Development -Database Administration

    $38.89 /hr
    50 hours
    0.00
  5. Victor K.

    Victor K.

    Siemens Simatic PLC & SCADA Programmer

    Russia - Last active: 26 days ago - Tests: 1 - Portfolio: 3

    More than 13 years of Simatic SCADA and PLC application sofrware development for metallurgy, oil & gas industry, using Step 7, WinCC, WinCC flexible. Auxiliary MS Windows software and database development, using Visual Studio and SQL Server. Also have a good knowledge and practice with low cost Koyo Direct Logic PLCs, and Owen PLCs

    $11.11 /hr
    171 hours
    0.00
  6. Daniel White

    Daniel White

    IT Network, VoIP, Mikrotik Consultant

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

    https://www.linkedin.com/in/dwhitekohut ______________________________________________________________________________________________ PROFILE IT System Engineer: 14 years, IT security, Radio over IP, VoIP, IT security and Physical Security. Fluent in Spanish / English. I am working full in Android Development and is my principal interest and passion, I am available to work remotely and onsite, . Take a look 2 examples in Play Store. click : https://play.google.com/store/apps/details?id=acme.animales and https://play.google.com/store/apps/details?id=acme.comeforme CERTIFICATIONS • Cisco Lifecycle Services for Advanced Wireless LAN Apr 2008 Expired • CCNA Oct 2001 Expired • CCNA Voice Oct 2008 Expired • CCNP: (Cisco Certified Network Professional) Jul 2007 Expired • CCNP Voice (Cisco Certified Voice Professional) VoIP Feb 2009 Expired • CCVP: (Cisco Certified Voice Professional) VoIP Feb 2009 Expired • Advanced Wireless LAN Field Specialist Aug 2007 Expired • Cisco Express Foundation Field Specialist Oct 2007 Expired • Cisco Lifecycle Services Express Apr 2008 Expired • Cisco Connected Physical Security Spec Certification Jan 2013 _____________________________________________________________________________________________ ADDITIONAL SKILLS Physical Security field: - IPICS (IP, Interoperability collaboration System)., Cisco. The usual name of this is RoIP (Radio over IP). - CCTV (OnSSI, Milestone, Genetec, NuuO, Cisco VSOM) Access control (Paxton, Cisco CPAM) , ANPR with Genetec IT Security field: - Firewall ASA 5500, PIX, and IPS (Intruder Prevention Systems) Module (AIP-ssm-10) for ASA. - Network tools such as Sniffers like Ethereal (now Wireshark), Etthercap, NMAP, Superscan, Nessus. - Linux (Webproxy with Squid, and Web Filter with Squidguard, Firewall, IDS specifically Snort (Intruder Detector System) on linux - AAA Tacacs. " Authentication, Authorization Audit " for Network devices IP Telephony: - iPBX Callmanager business edition and callmanager express with H323, MGCP, and Asterisk (Linux Based) Video Conference with both systems IT Networking and Server Administration: - Multicast, Pim Sparse, dense mode, IGMP, to Video conferences and Radio over IP, and, of course, VoIP - DMVPN and VPN site to site and roaming with IPSEC and compression VPN Hub-spoke and Full Mesh. - Mikrotik (RouterOS) routing and queuing, Traffic shaping, firewall, VPNs, Hotspot, Vlans. I have taught Mikrotik classes ( 64 servers with Mikrotik and one Data centre with redundancy with VRRP )., (IPTABLES). The basic services (Dhcp, DNS, Webserver like IIS and APACHE). - I started with Windows 2000 server, 2008 server, (Active Directory, Dns, Dhcp, Group policies GPO, windows XP, windows 7 and so on. - Routing protocols TCP/IP (EIGRP, OSPF, RIP), and the Basic of BGP - 3 years of experience in Wireless 802.11/a/b/g,. (longest link is 28 miles with 10 Mbps real throughput on 802.11a). - Cisco Routers and Switches all models with IOS and CATos.. (Catalyst Switches 5500, 6500) -Wan connectivity: Frame Relay, ADSL, HDLC, PPTP, DSL, ATM. SDSL, VPN and DMVPN, MPLS. -Fault tolerance and load balancing with HSRP or VRRP. for Data Centres and small deployments of CCTV. - Server , disk array (RAID), Disaster Recovery & Business Continuity -Virtualization specifically with VMware ESXI, - Backup Exec 2012 (Symantec). -Languages, Visual Basic, (I enjoy this one : Assembly Language), Pascal, PHP, GWBasic. and now ANDROID, take a look some ones of my APPs here and please give 5 starts in the Play Store: Come For ME and Sound of Animals in Spanish. LANGUAGES English / Spanish

    $35.00 /hr
    55 hours
    0.00
  7. Danish Habib

    Danish Habib

    software Engineer

    Pakistan - Last active: 1 month ago - Tests: 3 - Portfolio: 3

    I am danish habib i have done software engineering in the year 2012 i have worked on many windows and web application and windows and web services as well as linux administration.I love to work with objects and classes and want to work with an organization where multiple frameworks available.

    $7.00 /hr
    0 hours
    0.00
  8. Kazi Tahmina

    Kazi Tahmina

    iDesk Solutions

    Bangladesh - Last active: 4 days ago - Tests: 4

    Web and Database developer. Expert at both database and web administration works (MSSQL, Oracle, MySQL, VB6, Oracle Forms, PHP). Pay attention to detail and enjoy solving problems. Highly organized, efficient and competent developer available to provide services including website development, graphics design, word processing, spreadsheet creation. Excellent worker on data entry projects with high quality and on-time delivery. Specializing in Word and Excel creation, working with complex excel spreadsheets including macros, formulas, graphs. WORK EXPERIENCE & TECHNICAL SKILL: Bashundhara Group: Ex. Assistant Officer, IT April, 2006 - February, 2010 Software: Sales and Marketing: VB6, MSSQL Server 2000, Crystal Report Accounting: VB6, MSSQL Server 2000, Crystal Report Land Management: Developer 10g, Oracle 10g Document Management System: PHP, MSSQL Server DBMS: MSSQL Server 2000/2005/2008 Oracle 8i/9i/10g MySQL IDE: VB6 / VB.NET Developer 6i/9i/10g WAMP

    $7.00 /hr
    0 hours
    0.00
  9. Marcel Verspuij

    Marcel Verspuij

    Social WiFi specialist

    Netherlands - Last active: 1 month ago - Tests: 1 - Portfolio: 2

    For different customers I build social WiFi solutions. From city free WiFi solutions to small business plug & play social WiFi solutions. This for MikroTik en OpenWrt routers. The cloud WiFi CRM is brand independent. It can serve the social WiFi landing page for many different captive portal and hotspot solutions. The cloud WiFi CRM is white label. Each customer can have his own look and feel. Customers can add their own functionalities and reports in the CMS. Because of the different international customers solutions are build in Amazon cloud or on their private server. Linux and Radius experience is high.

    $33.33 /hr
    4 hours
    0.00
  10. Oleg Boytsev

    Oleg Boytsev

    Information Security Engineer/Malware Analyst/Reverse Engineer

    Belarus - Last active: 13 days ago - Tests: 1 - Portfolio: 1

    5 years of experience in IT Security field. Highly motivated to solve interesting tasks. Core Qualifications and abilities: High skills in *nix systems administration and information security; Computer network attack/defense; Deep experience in web application security testing (according to OWASP guideline); Strong background in malware analysis and reverse engineering; Responsive, organization skills and the ability to work with minimal supervision; Ability to learn and apply new technologies effectively. Technical skills: Standards/Practices: OWASP standards, ISO 17799 Operating Systems: Windows, Linux, FreeBSD; Networking: TCP/IP, LANs, VPNs, Firewalls; Software: Ollydbg, IDA Pro, GDB, Nmap, Metasploit framework, Burp Suite, Sqlmap, Wireshark, Tcpdump. Programming languages: x86 Assembly, Python Network & System Security: implementing different kinds of tools for network (ModSecurity) and system security Vulnerability Assessments: have a strong background in web application security testing, buffer overflows, format string vulnerabilities Malware Analysis: familiar with tools and techniques that allow to analyse and describe an evil sample according to the best practices. Unpacking, disassembling, binary Debugging/patching, dynamic (behavior) analysis. Reverse Engineering: familiar with Ollydbg, IDA Pro and GDB. System administration: LAMP, DNS, iptables, etc.., know how to solve a vast majority of issues.

    $35.00 /hr
    0 hours
    0.00