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Network Administration Upwork freelancers typically receive a client rating of 4.77.

Last updated: October 1, 2015
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Mihai-George Cornateanu

Mihai-George Cornateanu

Senior Linux System Engineer

United Kingdom - Tests: 12 - Portfolio: 1

Linux System Administrator. LAMP Administrator. Security expert - Senior Ethical Hacker. PCI Compliance expert. ✔ Apache ✔ PHP ✔ MySQL ✔ DNS ✔ FTP ✔ Samba ✔ Postfix / Qmail / Sendmail ✔ DomainKey / DKIM / SPF ✔ Courier / Dovecot (IMAP/POP) ✔ SpamAssassin / ClamAV Amavis ✔ Kernel Hardening & Securing ✔ IPTables ✔ Wordpress, Joomla, PHPBB, Drupal ✔ Bash scripting

100% Job Success
$30.00 /hr
186 hours

Liridon Krasniqi

Liridon Krasniqi

Computer Support Specialist

Serbia - Tests: 5 - Portfolio: 2

Almost 15 years in providing desktop support, installing & maintaining networks and support end user of the biggest ISP and telecom industries in Kosovo • Excellent knowledge of Windows & Network Administration • Excellent knowledge of designing and building LAN, WAN, Troubleshooting end user and so on.

82% Job Success
$20.00 /hr
4 hours

Darryl Morning

Darryl Morning

Server Administrator

United States - Tests: 1

 Netbackup 7.1, 7.5 and 7.6  Backup Exec 2014, 2012, 2010, 12.5, 12, 11.5, 11, 10  StorageTek L180, L500, L700 library maintenance  Ultrium tape drive & Library maintenance  Windows Servers 2003, 2008, and 2012 administration  VM Ware backups  SharePoint backups  SQL & Oracle backups (RMAN)  Scheduling restores, backups, monitoring and reporting  System performance monitoring – backup environment  Data Center management/tape management – multiple staff members, recall delivery service, StorageTek libraries and servers maintenance.  ServiceNow – incident management  Veeam backup and replication  HP B6200 StoreOnce Storage - Dell Power Vault NX3000 (NAS) administration.  VMWare 5.5, 5.1, 4.1, Vsphere 4.0.0, ESX 4.0.0 – Dell PowerEdge R510; manage VM’s, day to day administration.  Active directory/GPO, DNS, DHCP administration.  Windows Server 2003, 2008, 2012; design, install, maintain, administer, patch & update, harden, security checklists and documentation.  SQL server 2005, 2008; create, maintain, backup SQL databases.  Sonicwall Network Security Appliance administration.  Barracuda spam and virus firewall administration.  Exchange 2007, 2010; design, build, implement, administration, backup & maintenance.  Monitoring; all company systems and network – Kaseya Cloud Platform (SAAS).  Technical support; ensure the integrity of data, network and hardware.  Backup, restore and disaster recovery; Netbackup, Veeam, Backup Exec & StorageCraft. Daily monitoring, weekly reports.  IIS 6/7, Sharepoint 2007 installation and administration.  Desktop services – XP, Vista, Windows 7 & 8 Enterprise Storage – EMC SAN, Santricity administration. Brocade fiber channel switches, administration of SAN fabric.  Enterprise Windows Server 2003, 2008, 2012; design, install, maintain, administer, patch & update, harden, security checklists and documentation. Server builds and decommission; migration of servers from Server 2003 to 2008.  Enterprise SQL server 2005, 2008; create, maintain, backup SQL databases. Over 400+ databases on 50+ servers. Migration of Servers and databases from SQL 2005 to 2008.  Active directory/GPO, DNS administration.  Enterprise DHCP management for 5,000 users and devices. Creation and management of scopes for users and printers. Configure LAN segments with Network team. Enterprise Backup, restore, off-site storage, and disaster recovery; Netbackup CLI, StorageTek Robotic Library D280 – 6+ terabytes. Daily monitoring, daily reports.  Network and system monitoring; of a multi‐user computing system network that includes file servers, active directory, application servers and data centers. Hyena, What’s Up Gold, HP Insight. Root cause analysis and recommendation.  Technical assistance, hardware/software evaluation and consulting to 5000+ user community.  Develop policies and standards for allocation and use of computer equipment and resources.  Multi-site centralized system administration including Peregrine ticket resolution following strict tier III SLA.  Migrate from IIS5 to IIS6; managing IIS5/6 web server and websites, planning and configuring new internal and external websites, website content and creating virtual directories. Storage – HP NAS configuration and administration.  Windows 2000 and 2003 configuration and administration. GC, DC, File server, terminal server, print services. Server monitoring – HP Insight.  Network administration – Cisco 2500 router configuration, installation and maintenance, PIX firewalls, DNS, DHCP.  Backup, restore, off-site storage, and disaster recovery; VERITAS.  Active directory, DNS, DHCP configuration and administration.  Exchange 2000, 2003; configuration, installation and administration. 400+ users’ outlook and outlook web access and blackberry.  BES server configuration, installation and administration.  Project management; Launched their highly successful website ( and increased exposure and profitability for the firm. Opened 22 offices nationwide with myself and 3 employees. Deployed BES server, RightFax server, Telephone systems and network infrastructure, Terminal Servers, and Time Matters. Million dollar budget for the IT department.  Desktop services – XP, Vista.

$50.00 /hr
23 hours

Corey I.

Corey I.

Salesforce Administrator/Techincal Support/Web Designer/

United States - Tests: 1 - Portfolio: 1

SUMMARY OF QUALIFICATIONS 1 Over 11 years of solid experience Software Installation and Troubleshooting. 2 Circuit boards, processors, chips, electronic equipment, computer hardware/software. 3 Courses in A+, Networking, Server, MCSE, Windows 2000, Windows XP, Microsoft Office Suite, TCP/IP, Http, and Mac OS 5 Troubleshooting experience in accounts and SQL 6 Sound knowledge of the main types of equipment used. 7 Uncommon skill at resolving technical problems quickly. 8 Profound knowledge and use of the computer. 9 Excellent skills at controlling operations of equipment or systems. 10 Thorough knowledge of principles and processes for providing customer and personal service. PROFESSIONAL EXPERIENCE United Cloud Solutions Salesforce Implementer and Administrator 2012-2014 1 Setup custom fields, users, record types, and layouts 2 Managed team of offshore developers on Enterprise SFDC Implementations 3 Manage the implementation and customer training of custom packaged Salesforce solutions 4 Gather information from client and suggest solutions that best fit client’s needs 5 Prepare technical documentation and training material 6 Work with development team via ticketing system to configure custom solutions 7 Provide technical support for internal team in a multi-office network Sage Software Peachtree/Sage50/Sage ACT! Support Ananlyst 2011-2012 1 Working with customers to resolve Peachtree software installation issues. 2 Provide customer with professional advice on solutions that may benefit the customer. 3 Review knowledgebase to resolve customer concerns with the installation process. 4 Diagnose and repair issues with SQL, and impersonation accounts Ballard Law Group Network Engineer 2010-2012 1 Streamlined successful integration of network system in 2 offices and attorney’s laptops. 2 Initiated multiple technical projects that improve performance and business functionality. 3 Applied solutions that provided database and legal case security. Omni Tech Institute Teacher/ Instructor 2005-2011 1 Responsibilities include teaching new students the art of hard disk recording, troubleshooting hardware and software, and understanding the way hardware and software work together 2 Giving recommendations for qualified students. Joi Studio Sound Engineering Technician 2003-2006 1 Conferred with producers, performers, and others in order to determine and achieve the desired sound for a project. 2 Setup, tested, and adjusted recording equipment for recording sessions and live performances. 3 Regulated volume level and sound quality during recording sessions, using control consoles. 4 Mixed and edited voices, music, and taped sound effects. 5 Recorded speech, music, and other sounds on recording media, using sound editing and duplication equipment. 6 Separated instruments, vocals, and other sounds, then combine sounds later during the mixing or post production stage.

$30.00 /hr
875 hours

Jodel Delgado

Jodel Delgado

Support Engineer

Philippines - Tests: 5

With over 13 years of experience in the IT industry. I have a strong background in hardware and software troubleshooting. I have an extensive knowledge on system administration, network administration, server/software deployment, virtualization (Vmware,ESX, Virtual box), Microsoft Sharepoint administration / Office 365, virus/spyware removal and firewall and antivirus security. Experienced in networking: T1, DSL, Cable (Cisco, ADIT, Adtran, Netopia T1 Router, Netgear products, etc...). Knowledgeable in Wordpress, HTML, XUL Fireworks, batch filing, VBS scripting, Flash and Dreamweaver.

$5.56 /hr
403 hours

Vladimir Molodnyakov

Vladimir Molodnyakov

IT Engineer

Russia - Tests: 7

Energetic and goal-oriented person with a genuine passion for IT-industry and Apple products in particular, seeking for support engineer position, bringing 7+ years of experience. Analytical problem solver. Driven to learn and apply new ideas. Proficient in most desktop and server Microsoft software (have worked for Microsoft support lately and for USTA support for 3 years as Citrix admin), hands-on experience with hardware. Capable to work both in Windows and *nix systems.

$25.00 /hr
0 hours

Catherine G.

Catherine G.

Rockstart Quality Assurance Engineer, Tester

New Zealand - Tests: 9 - Portfolio: 2

I'm a network test Engineer with 5+ experience in IT industry. I started out as an IT support for a multinational company for 3 years before I took CCNA certification and decided to move into Computer Networking field. I am now a part of a company that makes router and Switches a system Test Engineer and have experience with agile testing methodologies.

100% Job Success
$22.22 /hr
1,829 hours

Jay Upadhyay

Jay Upadhyay

Jay Upadhyay

United Arab Emirates - Tests: 9 - Portfolio: 7

Windows Server 2003/2008/2012, MS Exchange server 2003/2007/2010/2013, MS Lync Server 2010/2013, SCCM 2007/2012, SCOM 2007/2012, SCVMM, SCSM 2010/2012, Hyper-V, PKI, ADFS, Virtualization, Private Cloud, Office 365/DirSync/SSO, Windows Clustering/NLB.

98% Job Success
$55.56 /hr
173 hours

Anwesh T.

Anwesh T.

System Administrator

Nepal - Tests: 9

Over 4 years of IT experience in Server Systems and Network solutions maintenance and support. Proven track record of installation, configuration and migration of High Availability Windows and Linux servers with different flavors (CentOS, Redhat, Ubuntu, Debian, Fedora, Suse. etc) Linux: LAMP system administration, SSL, MySQL, Postgres, Oracle, Apache, Ngnix, Tomcat, Squid, Proxy, VPN, DNS, Zimbra, Monitoring tools and Alerting system (Nagios, Cacti, MRTG, bandwidthd),Mail Servers(Qmail/Postfix/Sendmail/SquirrelMail),iptables, shorewall, samba, NFS, VSFTPD, SVN Windows: Active Directory, Domain, IIS, MS SQL 2005/2008, WSUS,lync,System Center Monitoring and Alerting system My core competency lies in providing complete support of Server administration and User support,Expert in cloud managanement (Amazon, Rackspace, Softlayer), Router config (CISCO, Miktrotik, Cyberoam, SonicWall), cpanels (ispconfig, webmin, Parallel Plex panel, WHM, Directadmin), bash/perl scripting. I have Developed range of Web Sites using CMS (WordPress,Drupal,Joomla). I have Good Skills in Virtuallization (Virtualbox,Xen,ESXI), VOIP (ELASTIX), PABX(Matrix), windows shell. Vtiger CRM, Sugar CRM, osticket

Groups: LoginRadius

100% Job Success
$15.00 /hr
242 hours