Network Administrators & Consultants

Showing 8,285 freelancers

Network Administrators & Consultants

Showing 8,285 freelancers

  • Software developer

    Hi, I'm Boris Mihajlov, from Macedonia. I graduate on Sofia University St. Kliment Ohridski - Sofia, Republic of Bulgaria, on the faculty for Informatics and Mathematics, specialty - Informatics. May 2013, I got a title Master of Information Technology - specialty Software … more

    Hi, I'm Boris Mihajlov, from Macedonia. I graduate on Sofia University St. Kliment Ohridski - Sofia, Republic of Bulgaria, on the faculty for Informatics and Mathematics, specialty - Informatics. May 2013, I got a title Master of Information Technology - specialty Software Engineering. At the moment, I work as a software developer, and I'm trying to give everything from me, so my clients to be satisfied. I have an experience in hardware and software maintenance, installing computers, changing and replacing old parts, also give a IT support for some companies. Almost, 2 years as a IT officer for technical assistance in ProCredit Bank - Macedonia, installing POS terminals for the bank clients and give support for the bank exposures. After this, I start working as software developer, first like PHP developer and MySQL database administrator, then as CACHE developer. Also, I have a knowledge in building Jasper Reports. On my skills, I can add basic knowledge in jQuery, middle skills in HTML5, CSS3. I'm familiar with all Windows family (Windows 98, XP, Vista, 7, 8), Windows Server 2003, Linux. I have excellent English skills, fluent speaking, reading, writing.  less

    css3 mysql cisco-routers software-testing computer-maintenance computer-networking network-administration php 00 more less
    • $5.56 HOURLY RATE
    • NO FEEDBACK GIVEN
    • 0 HOURS
    • MACEDONIA
    • LAST ACTIVE
    • 2 PORTFOLIO ITEMS
    • 5 TESTS
  • IT Support Assistant/Administrative Support/Web Researcher

    INFORMATION TECHNOLOGY SECURITY SPECIALIST Solutions-oriented IT Security Specialist with notable success directing a broad range of corporate IT initiatives while participating in planning and implementation of information-security solutions in direct support of business objectives.  Track record of increasing responsibility in … more

    INFORMATION TECHNOLOGY SECURITY SPECIALIST Solutions-oriented IT Security Specialist with notable success directing a broad range of corporate IT initiatives while participating in planning and implementation of information-security solutions in direct support of business objectives.  Track record of increasing responsibility in secure network design, systems analysis and development and full lifecycle project management.  Demonstrated capacity to implement innovative security programmes that drive awareness, decrease exposure and strengthen organisations.  Hands-on experience leading stages of system development efforts, including requirements definition, design, architecture, testing and support.  Outstanding leadership abilities; able to coordinate and direct all phases of project-based efforts while managing, motivating and leading project teams.  Adept at developing effective security policies and procedures, project documentation and milestones, and technical/business specifications. Core Competencies: Network & Systems Security; Regulatory Adherence; Data Integrity/Recovery; Disaster Recovery Planning; Contingency Planning; Research & Development; Risk Assessment; Cost Benefits Analysis • Platforms: Microsoft Windows® operating systems from 98 on, • Networking: TCP/IP, SQL, Ethernet, Token RSA, VPN, HIPS. • Languages: C, C++, Java, HTML, CSS. • Tools: McAfee/Symantec Virus Protection Utilities, Microsoft Office System (including Microsoft Word, Microsoft Excel, Microsoft PowerPoint®, Microsoft Access, and Microsoft Outlook®), LAN Manager, Packet trace, MacAfee Firewall, Symantec Firewall and Ghost, Visual Basic, Backup Exec 2012 , Net Backup , ALTIRIS™ IT Management Suite, Data Loss Prevention(DLP) , Adobe Photoshop, Adobe Illustrator  less

    adobe-photoshop adobe-illustrator css html adobe-creative-suite cisco-routers data-backup network-security 00 more less
    • $4.44 HOURLY RATE
    • NO FEEDBACK GIVEN
    • 0 HOURS
    • BANGLADESH
    • LAST ACTIVE
    • 4 PORTFOLIO ITEMS
    • 6 TESTS
  • Network and Security Engineer

    Total seven (07) years working experience in networking arena. Three years’ working experience in IP MPLS enabled network, Four years successful experience in Cisco post sales and training sector. I have deployed several projects and I conducted a lot of … more

    Total seven (07) years working experience in networking arena. Three years’ working experience in IP MPLS enabled network, Four years successful experience in Cisco post sales and training sector. I have deployed several projects and I conducted a lot of CCNA, CCNA Voice, Security and CCNP(R&S) training at corporate level. In addition to this, I have also gathered knowledge on SDH transmission technologies. I worked with:- Cisco 1000ASR, 7200 VXR, Cisco 2900,2800,1900,1800,900 and 800 router. Cisco Switches 6500, 4510, 3750, 3650, 2960, 2950 Cisco Firewall ASA 5505, 5510, 5520, 5585 Juniper Router MX480, MX80, MX10 and ACX 1000 Juniper Firewall SRX and SSG. Huawei Router AR4945, NE-40E. Huawei Switches S5300, S9300. Tejas MUX 1100, 1270 and 1600. SPECIALITIES • Hands on experience in Configuring, maintaining and troubleshooting MPLS L3VPN (Intra AS and Inter AS), L2VPN/L2 circuit. • Hands on experience in Configuring, maintaining and troubleshooting iBGP, eBGP (address family IPv4 and VPNV4), Route Reflector, different BGP attributes for route manipulation. • Hands on experience in Configuring, maintaining and troubleshooting LDP, RSVP, LSP configuration and Traffic Engineering. • Hands on experience in Configuring, maintaining and troubleshooting IP routing (BGP, OSPF, EIGRP), Policy Based Routing, Route redistribution and filtering. • Hands on experience in Layer 2 switching (VLAN, InterVlan Routing, VTP, STP and Switch port security). • Hands on experience in Configuring, maintaining and troubleshooting QnQ. • Hands on experience in Network security configuration and troubleshooting (Cisco ASA and Juniper SRX firewall). • Hands on experience in Configuring and troubleshooting VPN( IPSec Site to site, Remote Access and SSL VPN) • Hands on experience in Configuring, maintaining and troubleshooting Load Balancing (VRRP, HSRP, GLBP, SLB and Application Control Engine ACE). • Hands on experience in Configuring, maintaining and troubleshooting Tejas SDH Mux. • Expert in providing training related to Cisco Routing and Switching. • Sound knowledge in Voice over IP, IPPBX and Cisco Call Manager Express.  less

    cisco-ios cisco-routers 00 more less
    • $11.11 HOURLY RATE
    • NO FEEDBACK GIVEN
    • 0 HOURS
    • BANGLADESH
    • LAST ACTIVE
    • 2 PORTFOLIO ITEMS
    • 5 TESTS
  • VB.Net and PHP Developer

    Over the last 11 years, I have developed a wide range of Desktop Application and Web Design using ASP.NET, DHTML, PHP, and MySQL including sites for startup companies and small businesses. My core competency lies in complete end-end management … more

    Over the last 11 years, I have developed a wide range of Desktop Application and Web Design using ASP.NET, DHTML, PHP, and MySQL including sites for startup companies and small businesses. My core competency lies in complete end-end management of a new website development project, and I am seeking opportunities to build Desktop and websites from the ground up for you or your business. I also have some experience in the following areas: SQL, Ajax, OOP, and software design and testing.  less

    microsoft-visual-basic php codeigniter web-design business-development phpmyadmin microsoft-access xml database-programming database-administration account-management inventory-management payroll-processing jquery javascript html5 microsoft-visual-studio c++ 00 more less
    • $16.67 HOURLY RATE
    • NO FEEDBACK GIVEN
    • 0 HOURS
    • PHILIPPINES
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 4 TESTS
  • Perl Developer

    I have been working on an internal build system, based on Perl, for a large telecommunication company. I have worked on embedded hardware platforms based on ARM, writing software related tasks (ANSI C/C++) for OS and OS free environment … more

    I have been working on an internal build system, based on Perl, for a large telecommunication company. I have worked on embedded hardware platforms based on ARM, writing software related tasks (ANSI C/C++) for OS and OS free environment, development of communication protocols (message queues...), implementing advanced solutions for usage of eMMC memories, USB and UART peripherals. Also I have ported single precision floating point math library (newlib) to eCos (Embedded Configurable Operating System) http://bugs.ecos.sourceware.org/show_bug.cgi?id=1001539 My LinkedIn profile: http://www.linkedin.com/profile/view?id=57604734  less

    c c++ embedded-systems embedded-c embedded-linux perl perl-catalyst perl-mojolicious python java 00 more less
    • $11.11 HOURLY RATE
    • NO FEEDBACK GIVEN
    • 0 HOURS
    • MACEDONIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 2 TESTS
  • Web Application Systems Architech

    Over the past 7 years of my life I have built a vast knowledge of the web application stack from the ground up. This allows me to quickly integrate with existing projects to make improvements, as well as build applications … more

    Over the past 7 years of my life I have built a vast knowledge of the web application stack from the ground up. This allows me to quickly integrate with existing projects to make improvements, as well as build applications from scratch. I am seeking opportunities to build websites and applications for your business, helping the project along from conception to implementation. I manage several highly available clusters hosting domain services designed for both scalability and disaster recovery. I have vast experience with multiple linux distributions, but I specialize in fedora/Red Hat. I am fluent in all types of open source software systems and enjoy finding ways to employ them in projects. I particuraly excel with PHP applications such as drupal. I have created mobile applications for both Android and iOS using Apache Cordova and jQuery Mobile. I have created online systems for Bosch, Fujitsu, Aerco, and Eternal Tools. I am a native of Vermont.  less

    php drupal jquery html5 unix-system-administration mysql jquery-mobile phonegap javascript twilio-api apache-administration fedora puppet-administration google-maps-api git ajax lamp-administration 3d-printing 00 more less
    • $55.56 HOURLY RATE
    • NO FEEDBACK GIVEN
    • 0 HOURS
    • UNITED STATES
    • LAST ACTIVE
    • 10 PORTFOLIO ITEMS
    • 7 TESTS
  • Network & Systems Engineer

    In my career I have been working in different fields in wired and wireless communication. I have advanced experience in Cisco networks mostly in configuring routers and switches from different series of Cisco network. Also I have a broad knowledge … more

    In my career I have been working in different fields in wired and wireless communication. I have advanced experience in Cisco networks mostly in configuring routers and switches from different series of Cisco network. Also I have a broad knowledge in VmWare virtualization and optimizing it for any company needs. Have worked in different Linux and Windows environments and have big system engineering experience. Specialties Cisco Equipment (routers, ASA firewall, L2 and L3 switches) VmWare Unix/Linux enviorment - Red Hat, Solaris, Ubuntu... Windows Server 2008 Microsoft Exchange 2010  less

    cisco-routers linux-system-administration vmware-administration 00 more less
    • $16.67 HOURLY RATE
    • NO FEEDBACK GIVEN
    • 0 HOURS
    • MACEDONIA
    • LAST ACTIVE
    • 2 PORTFOLIO ITEMS
    • 8 TESTS
  • Hardware Development Engineer

    Over the past 7 years I have worked every step of the hardware design process. I have developed requirements, built prototypes, performed extreme environment design analysis, developed and executed verification plans, and worked through integration issues. The projects have ranged … more

    Over the past 7 years I have worked every step of the hardware design process. I have developed requirements, built prototypes, performed extreme environment design analysis, developed and executed verification plans, and worked through integration issues. The projects have ranged from a test PCB design, small ASIC designs, whole chip FPGA designs, individual VHDL components, and integrating a multi-card avionics subsystem for a major spacecraft. If it's electronics or hardware I have your project covered especially if it's FPGA/HDL design. In the course of working I've also picked up the useful skills of several scripting languages, Linux administration, LAN setup and management, SQLite.  less

    vhdl verilog fpga pcb-design xilinx tcp-ip perl git github linux-system-administration 00 more less
    • $83.33 HOURLY RATE
    • NO FEEDBACK GIVEN
    • 0 HOURS
    • UNITED STATES
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 1 TEST
  • System and Network Administrator

    *Office Software: Microsoft Office XP, 2003, 2007. *Operating Systems: Linux (Fedora, Ubuntu, CentOS) / Microsoft Windows (XP, Vista Server2003/Server 2008). *Modeling: Merise and UML. *Languages: Assembler, C, Java, SQL, Linux Shell. php. *Software: Power AMC Designer, Cisco Packet Tracer simulation … more

    *Office Software: Microsoft Office XP, 2003, 2007. *Operating Systems: Linux (Fedora, Ubuntu, CentOS) / Microsoft Windows (XP, Vista Server2003/Server 2008). *Modeling: Merise and UML. *Languages: Assembler, C, Java, SQL, Linux Shell. php. *Software: Power AMC Designer, Cisco Packet Tracer simulation, vitalization: VMWare Workstation. VirtualBox WampServer. **Computer Networks and Telecommunications: *Models: OSI, TCP. *Protocols and services: IP, TCP / IP, Network Address Translation NAT and PAT, DHCP, DNS Proxy, HTTP, HTTPS, SSH, FTP, TELNET, VPN, IPSEC, SNMP. Switching topologies and LAN and Wireless Ethernet, Tonkin Ring, VLAN, VTP, Spannig Tree. Routing: Static, Dynamic, RIP, OSPF. *Network Security: IDS, Firewall, encryption and electronic certificates signatures. *Network Administration in Windows Server 2008 & 2003: Install the OS on HP server and module configuration Raid 0.1 +0, and RAID5. *Managing a business network with DNS, DHCP, *management division, managing Active Directory users and service deployment, manage Local Group Policy and Domain *VoIP: Asterisk AsteriskNow, Trixbox: Installation and configuration of elimination problems. (dialplan, trunk, waiting thread, managing incoming and outgoing calls .. *CRM GoAutoDial: configuration and management of campaigns, users extentions phones, create lists, import the databases of the clients call, interconnection via IAX or SIP trunk. *WAN access technologies: fixed telephone network: RLA, GSM mobile telephone networks ; EDGE, Radio Relay, SDH, Wi Max, Fiber Optics, PPP, Frame Relay, ISDN, LS, ADSL.  less

    ubuntu linux-system-administration dns dhcp samba lamp-administration cakephp php ldap apache-administration centos asterisk vicidial vpn openvpn squid 00 more less
    • $12.00 HOURLY RATE
    • NO FEEDBACK GIVEN
    • 0 HOURS
    • TUNISIA
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 4 TESTS
    GROUPS:
  • Software Professinal having 4 years of industry experience

    I am a software graduate having 4 years of industry experience in Telecom software development,design,implementation and technical support of the product. So far i have handled multiple roles based on need and still in continuation of the same … more

    I am a software graduate having 4 years of industry experience in Telecom software development,design,implementation and technical support of the product. So far i have handled multiple roles based on need and still in continuation of the same. Having good amount of knowledge on IP based products over TCP/ UDP. Also having knowledge of HTTP,HTTPS protocol where it plays important role in today's mobile data world.  less

    php linux-system-administration mrtg java c microsoft-excel microsoft-powerpoint microsoft-word iptables html javascript bash-shell-scripting load-testing chat-support email-technical-support helpdesk-support computer-networking 00 more less
    • $3.33 HOURLY RATE
    • NO FEEDBACK GIVEN
    • 0 HOURS
    • INDIA
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 2 TESTS
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