Network administrator Freelancers

Showing 68 freelancers

Network administrator Freelancers

Showing 68 freelancers

  • SERVER, NETWORK AND INFRASTRUCTURE SPECIALIST

    Over the last 15 years I have had progressive experience in operations, management and delivery of complex IT network and infrastructure of enterprise scale and globally spread organisations. Experience includes LAN, WAN, MEN, ELL, VPNs, International leased circuits, Switching (Cisco … more

    Over the last 15 years I have had progressive experience in operations, management and delivery of complex IT network and infrastructure of enterprise scale and globally spread organisations. Experience includes LAN, WAN, MEN, ELL, VPNs, International leased circuits, Switching (Cisco & HP), Routing, Firewalls, CUCM, SAN (Netapp), Microsoft Windows 2003, 2008, Active Directory, Group Policy, DHCP, DNS, SQL Server, Web Servers, NLBs, ISA/TMG configured as proxy and reverse proxy, Exchange 2003, 2007 and 2010, WAN Acceleration, Data Centres, Branch Connectivity, Clusters/High Availability, VMWare etc. I have had the opportunity to be involved in various projects in several countries in the Middle East, India and UK.  less

    microsoft-visual-basic network-administration 00 more less
    • $27.78 HOURLY RATE
    • 5.0
    • 38 HOURS
    • BAHRAIN
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 7 TESTS
  • Mr. Evangelos Nikolas Evangelou

    Over the past 15 years I have been involved in systems and network engineering across heterogeneous environments. During the last 7 years I have worked in the design and implementation of Virtualization solutions with VMware and small to medium size … more

    Over the past 15 years I have been involved in systems and network engineering across heterogeneous environments. During the last 7 years I have worked in the design and implementation of Virtualization solutions with VMware and small to medium size Datacenters. For the last 2 years I worked on several Cloud Migration, SaaS Deployment projects and Architecting/Managing Amazon SaaS Environments. Some recent responsibilities/projects include: * Server Operating Systems: Amazon Linux, Windows Servers * Monitoring/Trending/Notification with CloudWatch, SNS, Nagios, Munin, DotCom-Monitor * Design/Implementation of SaaS Environment in multiple Amazon VPCs * Amazon Console Security using IAM / CLI and API Tools * Database Services utilizing Oracle, MSSQL and MySQL RDS * Reverse-Proxying/Load-Balancing using Nginx, HAProxy and Amazon ELB * Storage/Content Delivery utilizing CloudFront with S3 and Akamai * Host Intrusion Detection utilizing OSSEC (AlienVault) * Vulnerability Assessment utilizing QualysGuard (internally to VPC and externally to websites) * Application Servers: JBoss, Oracle Application Server, WebLogic * Email Servers: Sendmail, Procmail, Postfix * VPNs: Cisco VPN, Cisco Anyconnect, OpenVPN, OpenVPN Access Server * Automation of Amazon Deployments with Chef and Cloudformation * Server Migrations to the Cloud using Double-Take, Amazon VMDK Import, Rsync  less

    linux-system-administration network-administration 00 more less
    • $31.11 HOURLY RATE
    • 5.0
    • 5227 HOURS
    • CYPRUS
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 3 TESTS
  • Software QA Tester Technical Writer

    I am an IT professional having 10+ years of experience in following fields:- 1- EMR Management.(Deployment & Implementation). 2. Web Application & Desktop Applications Testing. 3. Data Center Management. 4. System Administration. (Windows Server 2003-2008 & RHEL) 5. Technical Documentation (User & Configuration … more

    I am an IT professional having 10+ years of experience in following fields:- 1- EMR Management.(Deployment & Implementation). 2. Web Application & Desktop Applications Testing. 3. Data Center Management. 4. System Administration. (Windows Server 2003-2008 & RHEL) 5. Technical Documentation (User & Configuration Manuals, Requirements Specification Documents, ER Diagrams. etc.) 6. Networks Administration & Network/System Documentation. 7. Virtual Assistance (MS Office Suite | Presentations | Internet Research | Scheduling & Data Entry). 8. Technical & Review Writing. 9. Software Firewalls(ISA) I can provide you with: - Hospital Management Information System. - Network & layout Designing. - Network Management & System Administration. - Technical & Customer Support. ( IP Scheme, Proxy, ISA 2006, WSUS, Desktop Management, ERP Deployment). - Functional/Black box Testing/Manual Testing. - Regression Testing/UI Testing. - Cross-Browser Testing & Exploratory Testing. - Test Case/Plan & Document Creation. - Bug Reporting & Tracking - Testing Metrics. - Network Layouts & Diagrams Hands on Experience in Following Tools:- - Mantis. - JIRA. - Spira Test. - MS Project. - MS Visio. - HMIS.(MS SQL & Oracle DB) - NPM. - MRTG. - MS PowerPoint/Excel/Word. - HP SystemWorks  less

    network-administration web-testing technical-documentation black-box-testing computer-maintenance usability-testing performance-testing user-acceptance-testing 00 more less
    • $6.67 HOURLY RATE
    • 4.5
    • 0 HOURS
    • PAKISTAN
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 8 TESTS
  • System Admin,Data entry graphic Design, Project managment,consulting

    provide good service or support by using my abilities, skills and knowledge to companies, individuals who posted jobs in this website and earn reasonable income by doing my job well I'm currently working as a System Administrator( win2k3 and … more

    provide good service or support by using my abilities, skills and knowledge to companies, individuals who posted jobs in this website and earn reasonable income by doing my job well I'm currently working as a System Administrator( win2k3 and win2k8) , , IT Trainer so my primary role mentioned above is not my ultimate Role, I'm enjoying from work and I need work.  less

    network-administration graphic-design graphics-programming project-management blog-writing hardware-troubleshooting customer-support customer-service firewalls 00 more less
    • $13.33 HOURLY RATE
    • 5.0
    • 0 HOURS
    • SRI LANKA
    • LAST ACTIVE
    • 2 PORTFOLIO ITEMS
    • 3 TESTS
    GROUPS:
  • IT Professional

    About 5 years experienced and motivated Network Engineer accomplished in delivering secure resilient systems on time and budget to meet business needs. an adaptable and efficient team player with excellent communication skills at all levels. I’m looking for a … more

    About 5 years experienced and motivated Network Engineer accomplished in delivering secure resilient systems on time and budget to meet business needs. an adaptable and efficient team player with excellent communication skills at all levels. I’m looking for a role where I can develop my skills further, researching new technologies, reveling in new challenges and developing on my company. Full Profile: www.soroush.it http://au.linkedin.com/in/soroushj/ Certifications: -Microsoft Certified Professional -Microsoft Certified System Administrator -Microsoft Certified System Engineer -Microsoft Certified Technology Specialist -Strategic management Methods & Solutions -Management of Technology (MOT) & The Key to Economic Growth -Data mining Application In Finance & Banking & Insurance -Data mining Application in Customer Relationship Management (CRM) -Data mining Advanced in Predictive Modeling & Unsupervised Learning -Knowledge Management Implementation -Knowledge Management Implementation & KM Advisor -EFQM Knowledge Management Framework Auditor -Knowledge Management Methods & Consulting -Certificate of Technical & Vocational Skill for System Operation -Digital Content Editing And Documentation Experience: *SAP Center-Dina Food Holding-2011 to Present *IT Administrator-Toranj Arya Inst.-2007 to 2012 *IT Consultant-Industrial Ministry-2008 to 2010 *System Admin-Naghme RASA Inst.-2005 to 2007  less

    computer-networking network-administration network-security tcp-ip sap sap-basis sap-netweaver data-mining strategic-planning windows-administration microsoft-hyper-v adobe-photoshop video-editing photography graphic-design persian translation-english-persian 00 more less
    • $22.22 HOURLY RATE
    • 5.0
    • 40 HOURS
    • AUSTRALIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 2 TESTS
  • Experience QA and IT consultant

    To be employed by a company/enterprise engaged in the Information Technology or in an allied business that has an IT department with a sound corporate and professional set-up wherein I can contribute my IT learnings from the academe and … more

    To be employed by a company/enterprise engaged in the Information Technology or in an allied business that has an IT department with a sound corporate and professional set-up wherein I can contribute my IT learnings from the academe and previous employment in the fields of process analysis, programming, systems design and administration, and also data entry  less

    ui-design microsoft-visual-studio network-administration technical-support technical-analysis sales-management microsoft-exchange-server activex 00 more less
    • $6.67 HOURLY RATE
    • 5.0
    • 85 HOURS
    • PHILIPPINES
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 2 TESTS
  • Experienced Project Manager with Excel Expertise

    “INTEGRITY + HONESTY +HARDWORKING + PROFESSIONALISM = SUCCESS” I am here with vast experiences in Project Management & Administrative Management in several Multinational Companies. My experiences, creativity, dedication, hardworking & honesty will help to drive your project successfully. 3D is the key of my work … more

    “INTEGRITY + HONESTY +HARDWORKING + PROFESSIONALISM = SUCCESS” I am here with vast experiences in Project Management & Administrative Management in several Multinational Companies. My experiences, creativity, dedication, hardworking & honesty will help to drive your project successfully. 3D is the key of my work: √ DELIVERS 100% accurate result √ DELIVERS the work before deadline (100% guaranteed) √ DELIVERS the work with details progress report time to time Areas where I am expertise: - Project Management [Telecom/IT/Administration] - Administrative Assistance (VA/PA) - MS Excel / Inventory Management - MS Word / MS Power point/MS Outlook/MS Project - Adobe Acrobat / PDF Conversion - Web research - Email Marketing: Mailchimp /Aweber - Email response handling - WORDPRESS/SEO/SMM - Article Writing /Technical Training / PMP tutorial writing - Data Migration/Data Mining - IT/Telecom/Cloud Computing  less

    project-management microsoft-excel microsoft-word microsoft-powerpoint seo email-handling internet-marketing technical-writing wordpress event-planning social-media-marketing virtual-assistant customer-service network-administration windows-xp-administration helpdesk-support business-plans article-writing microsoft-excel-powerpivot event-management microsoft-project basecamp google-docs google-spreadsheet google-calendar-development business-development business-analysis google-searching internet-research telephone-skills organizational-development 00 more less
    • $10.00 HOURLY RATE
    • 5.0
    • 2826 HOURS
    • BANGLADESH
    • LAST ACTIVE
    • 14 PORTFOLIO ITEMS
    • 31 TESTS
  • Expert PHP Coder with Codeigniter and Responsive Web design experience

    100% Skilled in and Solid 2+ years’ real web development experience with, (i) Object-oriented programming with PHP5, (ii) PHP Codeigniter and Zend framework based web application or CMS development, (iii) MySQL Database administration, Apache-administration (iv) Javascript OOP, (v) Use of … more

    100% Skilled in and Solid 2+ years’ real web development experience with, (i) Object-oriented programming with PHP5, (ii) PHP Codeigniter and Zend framework based web application or CMS development, (iii) MySQL Database administration, Apache-administration (iv) Javascript OOP, (v) Use of jQuery library, plug-ins, (vi) Ajax and XML implementation, (vii) Responsive Website design with CSS3 framework and Grid layout design, (viii) HTML5 capability, (ix) XHTML ## Expert to write perfect and standard PHP code. ## Master to develop professional web application or CMS using PHP/MySQL. ## Capable to create Responsive website design (HTML5, CSS3 framework) that is able to display on Laptop, Smartphone, Tab. ## Skilled and experienced to develop robust and large web applications using popular PHP Codeigniter framework, Zend framework. ## Familiar and experienced in Github (https://github.com/), bitbucket (https://bitbucket.org/repo/all/relevance), SVN (Beanstalk) repository for collaborative coding. ## Hands on experience to create MySQL database with around 100 tables and expertise in MySQL database administration. ## Facebook API, Twitter Bootstrap, Social network connectivity, Google-maps-api with the website, use and edit of third-party template. ## Clear understanding and experience of e-Commerce web application development using OsCommerce and integration of Shopping cart such as Magento, Zen cart, X-cart to the web application, Payment gateway like Paypal integration. ## Knowledge on SugerCRM and Work experience on Vtiger CRM Software (https://www.vtiger.com/), Tradetuber (http://www.tradetuber.com) and their web-based software http://eboss.tradetuber.com/en.html which integrated with the CRM. ## Always develop web application with Software Engineering approach where Agile-scrum methodology, Water-Fall model, Software Development Life Cycle (SDLC) are followed. ## Able to write hand code perfectly without supervision using Notepad++ or other commonly used IDEs. ## Capable to manage multiple web development projects with different international client utilizing own skills, experience and utmost effort. ## Committed to bring professional look and smart presentation in my web application development. ## Quick learning capability and adaptable with new technology. ## Fully concentrated on quality of work, 100% dedicated to meet the project deadline and achieve the satisfaction from the client. ## Have organization skills and ability to lead a team with excellent cooperation and coordination. ## Have expertise in written and oral communication with international client and self-motivated to work with them. ## Always Keeping good relationship with the client if he/she needs to work with me again. Love to take challenge all time to build-up new awesome web applications with perfect functionality for my honorable client or for a Business Organization and thereby would like to see me as a "Rockstar PHP Developer". Thank you for visiting my profile. Cheers, Ashis  less

    php mysql css3 xhtml html windows-xp-administration email-handling helpdesk-support customer-service adobe-photoshop adobe-fireworks adobe-illustrator cpanel ssl microsoft-outlook-development virus-removal hardware-troubleshooting network-administration 00 more less
    • $8.89 HOURLY RATE
    • 4.9
    • 490 HOURS
    • BANGLADESH
    • LAST ACTIVE
    • 12 PORTFOLIO ITEMS
    • 11 TESTS
    ASSOCIATED WITH:
  • Project Management, and Service Management,

    Demonstrable skills and experience in both Enterprise and SME (MSP Clients) Project and Programme Management, based on the principles and methodologies of industry standards such as PRINCE 2 and PMP. With further demonstrable experience of managing teams in excess of … more

    Demonstrable skills and experience in both Enterprise and SME (MSP Clients) Project and Programme Management, based on the principles and methodologies of industry standards such as PRINCE 2 and PMP. With further demonstrable experience of managing teams in excess of 30 members including local hire and remote resources, together with all aspects of annual performance appraisals, and contractor negotiation, with an excellent understanding of the latest ITIL methodologies for ITSM. This specific experience has been gained from over 10 years of managing distributed teams and environments across multiple time zones and cultural forums, through Application and Infrastructure Support and Project and Change Management to have a complete understanding of the both SDLC and ITSM and how to make them successfully coexist. I have developed and managed enterprise grad SLA’s, OLA’s, UC’s and KPI’s framework, for both internal IT staff and external supplier resources to meet with industry and global regulatory requirements. Responsible for ALL Sarbanes Oxley (SOX) reporting and owner of ALL SOX controls for UK. I have a professional, adaptable, and competent approach to both Resource and Stakeholder management. I am more than comfortable with working in an integrated IT environment or as a consultant. I have a strong mix of corporate enterprise, SME and entrepreneurial experience, and to expand on that, my experience has afforded me the ability to learn the complex matrix management structures and business models which predominantly gained within Global Financial Services Industries (Investment Banking and Global, Corporate and Specialty Insurance). Where conversely some of my most recent and earlier career experience was based in one of the most competitive customer service industries, and to achieve success in this, I had to be flexible to market conditions, so that I could maintain strategic focus so as to continually meet my financial targets. The combination of my career experience has provided me with the opportunities of working in USA, Belgium, France, Spain, Gibraltar, Abu Dhabi and secondments to Brazil, Mexico and APAC, for projects that I was either managing or transferring to local piers and latterly I had responsibilities for USA, Germany, Italy, Switzerland and Denmark. I am confident that I have a strong comprehension of global business environments and managing diverse IT Departments across a multicultural platform. I feel that I am confident and excellent communicator and am completely at ease with interacting and influencing piers, partners, subordinates and executive management, both internally and externally to my working environment. Throughout my career, I have remained technically competent, complemented by my training and experience with Prince 2 and ITIL methodologies. I am a strong communicator, who is confident and experienced in influencing business and IT stakeholders-up to and including-CIO/Managing Director Level.  less

    project-management technical-analysis itil nagios account-management microsoft-exchange-server virtualization microsoft-virtual-server direct-marketing social-media-marketing google-apps google-docs blackberry-app-development data-backup data-center-operations database-management insurance-consulting risk-management yahoo-messenger skype requirement-management requirements-analysis vendor-management-systems budgeting helpdesk-support service-level-management oracle-e-business-suite microsoft-hyper-v-server vmware-administration vmware-esx adobe-dreamweaver disaster-recovery business-continuity-planning freepbx domain-migration ldap network-security network-administration network-planning agile-software-development basecamp business-process-modelling business-intelligence business-analysis business-it-alignment business-coaching 00 more less
    • $38.89 HOURLY RATE
    • 5.0
    • 5545 HOURS
    • CYPRUS
    • LAST ACTIVE
    • 4 PORTFOLIO ITEMS
    • 7 TESTS
  • Internetworking Consultant with over 22 years of broad IT experience.

    to provide customers with reliable, trustworthy, cost effective services to efficiently operate their business.

    windows-administration security dns ftp smtp dhcp microsoft-exchange-server microsoft-hyper-v vmware-administration tcp-ip email-deliverability-consulting firewalls network-administration network-planning network-security citrix-xenserver 00 more less
    • $33.33 HOURLY RATE
    • 5.0
    • 9061 HOURS
    • CANADA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 10 TESTS
    GROUPS:
loading