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Last updated: October 1, 2015
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Jonathan Dyer

Jonathan Dyer

Active Directory and Exchange Consultant

United States - Tests: 7 - Portfolio: 1

A highly experienced Microsoft technologies consultant with extensive experience with Active Directory and Exchange, with concentrations on migrations, support models, networking, enterprise level design, implementation and optimization. I have over 15 years hands on and in-depth experience with Windows Server NT, 2000, 2003, 2008 and virtualization technologies such as Hyper-V and VMware. My areas of expertise are: • Active Directory • Microsoft Exchange, 4.0, 5.5, 2000 ,2003, 2007, 2010 • Microsoft Windows NT, 2000, 2003, 2008, 2012 Server • TCP/IP • Virtualization • VMware • HP, Dell and IBM Servers • DNS, DHCP, WINS • File and Print Servers • SAN/NAS Appliance • Veritas Backup Exec • OS X+ • Windows 7, Windows 8, Windows 10, Windows 2000, Windows Vista, Windows XP • WSUS • Network and Servers documentation • LAN hardware/software administration, design, installation and configuration Soft Skills • Disaster Recovery • Mobile Telephone Technology and Applications • Network and System Design • Thin Client Technology Routers, Switches and Firewalls • Barracuda Networks SPAM Firewall • Cisco 1600, 2500, PIX 515, PIX 525, VPN • F5 Networks Big IP 3600 • Linksys WRT, Linksys WAP series • Netgear ProSafe series • WatchGuard SOHO and Firebox X series I have led many projects both large (over $10M) and small ($500K and under) and acted as a vendor management liaison and interface with people at all levels to help enhance organizations and technology effectiveness.

100% Job Success
$75.00 /hr
225 hours

Kale Nostrand

Kale Nostrand

Freelance SEO/SEM * Webmaster * Account Manager * Data Analyst

United States - Tests: 2

Multifaceted, efficient & reliable manager of projects, accounts and escalations with extraordinary interactive people skills, intuitive customer service and 100% resolution via management or coordinator roles across consumer and B2B entities. Cultivate, fortify and validate multiple technical skills including SEO, SEM, webmaster, web analytics, data analysis and a wide range of technical support topics. Consistently and creatively, execute strong leadership abilities within diverse groups as well as facilitate all affairs cross-functionally & cohesively.

$27.78 /hr
120 hours

Nikitas Skemvris

Nikitas Skemvris

Systems Administrator and IT Engineer

United Kingdom - Tests: 6

I am an experienced Systems Administrator, having worked for many years with a broad range of fairly complicated technologies, products and tasks. I like to understand how an implemented system works and dislike relying on trial-and-error or luck. I am eager to analyze the costs and benefits of alternative solutions, examine the requirements of each situation and make informed suggestions on how they could better be served. I draw real satisfaction from automating routine tasks that would otherwise require human labor. I prefer to work with Unix-like systems, but I have long experience in administering and supporting Windows Servers as well. Key Skills: • Hardware: Assembling computers, identifying and replacing faulty parts • Common Office software: Word/Excel/Access/Powerpoint • Systems Administration: GNU/Linux (Slackware, Gentoo, RedHat/CentOS, ArchLinux, Debian), FreeBSD and Windows Operating Systems • Designing and Implementing secure IP Networks based on Ethernet and WiFi • Installing and customizing numerous Network Service software, including: Postfix, Dovecot, Apache, Nginx, Varnish, MySQL, PostgreSQL, BIND, PowerDNS, NFS, Samba, OpenSSH, NTPd, Squid, Rsyslog • Relational Databases: SQL • Firewalls and Traffic Control: Iptables, Iproute2, PF • Virtualization: Vmware ESXI, Microsoft HyperV, Linux Vserver, OpenVZ, FreeBSD Jails • Languages: Python, Ruby, PHP, PERL and BASH (Note: I don't consider myself a Software Developer, but I am able to develop small applications that automate routine tasks or import/export/analyse/present data in helpful ways, following proper programming practices)

$15.56 /hr
0 hours

Vahan Sahakyan

Vahan Sahakyan

System/Network Administrator, Desktop Support Engineer

Armenia - Tests: 6

I work as a Desktop Support Engineer for 3 years in the company "BetConstruct". I am interested in new technologies and learning in every day something new. I have good skills in these areas • Operating Systems: Windows XP, Windows 7, Windows 8.1, Windows 10, Servers 2003/2008/2012, MacOS. • Managing user accounts and giving share & security level permissions. • Systems installation, configuration & upgrading. Security solutions. TCP/IP, LAN WAN Administration. Routers, Switches, Modems,Hubs and Bridges. • Install, set up, maintain network and also configure the peripherals, cabling and equipments accordingly as per the requirement. • Maintaining the company strategy like designing, implementing and maintenance of enterprise network components. • Monitor whether all the components are available for successful communication. • Maintaining the Backup network, hardware, software, files on a regular basis accordingly as per the company policies. • Timely analyze whether any repairs or replacements is needed. • Managing data base of server & creating new users accounts. • Configuring & troubleshooting ROUTERS, SWITCHES, MODEMS. • Troubleshoot Microsoft windows issues. • Configuring & troubleshooting Microsoft outlook accounts. • Monitoring complete network & providing network statistics. • Maintaining the network & troubleshooting the network related issues. • Maintaining & troubleshooting network printers. I have graduated • Linux Essentials, Administration and Network Server training (Level 1, 2, 3)

$11.11 /hr
0 hours

Javier C.

Javier C.

Technical support and/or technical writing. Machine Vision & Sensors

Spain - Tests: 2

Electronics/Telecoms Engineer, MSc in Robotics and Automation, PHD in sensor systems (Machine Vision & Materials Eng.). Researcher with entrepreneurship: 9 years, 4 years as a Systems Analyst in Xerox, HP and 1 year of internship at GEC-ALSTHOM, bilingual in English/Spanish, medium in French and Portuguese I provide general help and technical support mainly for PCs but also for other devices/systems. I am also good in writing research technical manuscripts

$30.00 /hr
0 hours

Angga Alpa Wibowo

Angga Alpa Wibowo

Professional Desktop, Server & Networking Support

Indonesia - Tests: 5 - Portfolio: 7

I am hard worker and have objective to work with good result. I dedicated my time to work full time each week. I have 12 years work experience in Computer and Internet from 2001 starting as Technical Support. My other experience is working as tutor for IT training in my city. I also have experience as Network Support in Wireless Internet and Voip company. My last work experience as Network Engineer in Retail Company in 2011. My main duties is managing computer network, wireless network, computer hardware, router, voip and Linux/Windows server. But i also have additional task managing SQL server and MySQL databases, webserver, php, xmpp instant messaging, network surveillance system, building websites and data entry job. I also build some website and blogs as personal project during my spare time using Wordpress CMS, Associated-O-Matic and PHP language. I am familiar with Personal Hosting and VPS Hosting with Apache and NGINX webserver. I'm doing some SEO, SEM and Social Media Marketing using Facebook and Twitter for my personal projects. In additional, i have write some IT tutorial books that have been published by local publisher in my country. Professional services that i am offering are: - Computer Networking support and administration. - Windows, Linux, Unix server Administration. - Nginx, Apache and IIS webserver administration. - Ip camera setup and administration. - Wordpress setup and administration. - Desktop support and administration. - Virus removal. I have backup power source and fail-over internet connection to ensure my continuous services for my client. I am not just offering professional works for my client but i am also trying offering my best solutions.

100% Job Success
$4.00 /hr
2,482 hours