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Network Security Upwork freelancers typically receive a client rating of 4.75.

Last updated: October 1, 2015
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Bhushan Kumar Sharma

Bhushan Kumar Sharma

Linux Servers AWS Cloud Hosting Security CPanel Plesk VOIP PenTest

India - Tests: 4 - Portfolio: 14

Since 2001, I have been dedicatedly working with Linux Operating Systems & Open Source. Services Provided ::- Deployment, Configuration, Security, Hardening, Monitoring, Performance Tuning, Troubleshooting of Linux Server Roles AWS – Amazon Web Services Migration of Servers Hosting Panels like WHM/CPanel, Plesk etc Asterisk Dialers, VOIP and Call Center Solutions Customization of Linux Kernel & Distro with Rebranding Faculty of Post-Graduate Degree in Computer Sciences. Firewalls & Gateways Linux HPC - High Preformance Clusters Remote Server Support & Troubleshooting L3/L4 Security Auditing of Servers & Websites Cloud & Virtualization Technical Writing VPN - Site-to-Site, Road-warrior Vulnerability Assessment & Penetration Testing Kayako

100% Job Success
$16.67 /hr
4,020 hours

John Reed

John Reed

Highly Experienced Technical Support Professional

United States - Tests: 4

I am currently the sole customer/technical support provider for a veteran OS X and iOS developer, resolving technical issues, isolating bugs, and writing end-user documentation. I have many years of experience in independent/freelance hardware and software support, providing services both remotely and on location. I have worked with a number of leading telecommunications providers and commercial/consumer information technology vendors to ensure their internal users and customers received access to required resources at all times. Though I do not plan to leave my current position, I'm always interested in additional remote support opportunities, particularly in the Apple Mac OS X and iOS market. If you're an independent developer who needs a hand with your support workload, I would love to hear from you.

$11.11 /hr
122 hours

Christopher C.

Christopher C.

Help Desk, General Administrative Support

United States - Tests: 7

Served over 15 years in the US military, with experience encompassing all aspects of Information Technology, Radio Communications equipment and leadership roles. Strong commitment to efficient, quality work completion. -- 15+ years experience in IT in areas of Technical Support, Network Support and Information/Internet Security -- 3 years experience as Help Desk manager supporting a high level NATO command. -- Completed A+ , Sec+, Certified Ethical Hacker certifications.

$18.00 /hr
63 hours

Umair Mirza

Umair Mirza

Network Engineer

Pakistan - Tests: 9 - Portfolio: 2

I come from a Technical background mainly in Networks and Information Security. I have been working in the E-commerce industry as well and i have gained good experience of Search Engine Optimization and Content Management. I am looking to make a career in Network Security. Specialties Information Security Network Monitoring and Analysis Computer Forensics Fraud Analysis Technical Writing Content Management Search Engine Optimization Online Marketing

$11.11 /hr
120 hours

Gilles Rubens Badouet

Gilles Rubens Badouet

Network & IT Systems Engineer

Italy - Tests: 4 - Portfolio: 4

A highly motivated, qualified Network & IT Support Engineer with over 5 years experience determined to make a difference within the telecommunications, networking and IT support environment. Demonstrating high level skills and achievements within systems & infrastructure implementation, security analysis, network and system troubleshooting, technical support, problems solving, I am a global thinker with great attitude, interpersonal skills, professional consciousness, fast-paced & target oriented, team working as well as high performance under pressure with the following qualifications and industrial credentials. - Master of Science in Network Computing (1st Class) & Bachelor in Information and Communication Technologies (1st Class) - MCP Server 2012 & MCSA 2008/ 2012 certified - MCSE- Server, Linux LPIC & CCNA certifications (Pending) - Management and Leadership programme completed - Excellent Network & Server Administrator and IT & Network Project Management - Strong expertise in Identity & Access Management, SSO with Shibboleth, AD FS and LDAP - Multilingual Speaker (English, French and Italian) - Network Design & Systems Integration Network Security Support based on CIA - Strong ability in systems integration, network and telecommunication protocols - Comfortable in both Windows and Linux based operating systems - Excellent experience of Cisco and Mikrotik routers and switches - Strong skills in VoIP & Call termination - Very good understanding and implementation of ITIL frameworks and technical documentations - Object Oriented programming and fundamentals of Database Managements Systems I love searching the web all the time and very passionate about learning everyday. My extra IT life is related to global economy current news as I aim to know what is going on in this world in business, financial and economical aspects. I also enjoy practicing some gym and playing football. Thanks

$27.00 /hr
13 hours

Alan Schroeder

Alan Schroeder

Computer and Network Support Ticket, Chat, Phone, Social Agent

United States - Tests: 9 - Portfolio: 1

Since before graduating high school, I have been involved in the technology field. My core competency is in problem-solving, staff training, and technical support, but as the sole contractor in many places, I have expanded into roles in Linux and Windows server Administration, IIS Services, C++ scripting, and Administrative support and budgeting. My professional work experience began as a jack-of-all-trades at the local library, and soon expanded to systems and network administration roles at libraries in nearby towns. I have recently received my B.A. in Business Information Systems, adding to my A.A.S in Microcomputer Support Specialist and A+ Certification.

Groups: Pro Customer Service

100% Job Success
$12.00 /hr
156 hours

Nader A.

Nader A.

Computer Engineer

Tunisia - Tests: 5 - Portfolio: 5

My mission is " to achieve and maintain the highest possible standard of professionalism and excellence." I am hardworking, task oriented, solution-oriented, dependable, motivated, independent , not so quick but eager learner and pays attention to details. Another face of my personality consists in the fact that I am strongly determined.

50% Job Success
$15.00 /hr
24 hours

Muhammad Ishaq Koreja

Muhammad Ishaq Koreja

Database Adminstration Network Administration

Pakistan - Tests: 2

Server: Server 2003, 2008 and server 2012 Complete installation of Active directory Configure additional domain controller DNS and DHCP servers configuration Complete Monitoring of active directory Networking: Mikrotik Routers complete configurations VPN Site to site and site to multi site ubnt Nano Station configuration • Installations, configurations and maintenance the network. • Build networks, maintains and monitor external and internal web presence. • Administers the network. • Evaluates and recommends changes to current and future network requirements to meet needs. • Providing assistance to users when required. • A Network virus protection. • Ability to locate and comprehend technical documents related to problems encountered. • Technically updated and strong Internet search skills. • Ensuring users face no difficulty accessing network resources. • Developing plan and implement the overall strategic goals of the network system. • Defining policies and procedures regarding network system. • LAN design and architecture, TCP/IP, Ethernet, web services. MAILING SERVERS • Microsoft Exchange server 2000 • Microsoft Exchange Server 2003 • Microsoft Exchange Server 2007 • Complete Installation of Exchange server • Configure the entire user on exchange • Back up Exchange Server • Local Backup of Users • Mobile Computing Security: ISA server 2004, ISA server 2006, Threat Management Gateway TMG 2010

$10.00 /hr
0 hours

Matthew Ratliff

Matthew Ratliff

Network Infrastructure Support

United States - Tests: 3

I have worked as a Network Engineer for over 10 years now. My previous employment allowed me to work with a Cisco partner where I designed and deployed Cisco networks based on best practice design principles for many clients. This also allowed me to work on many different types of issues that needed to be solved which has provided me with a solid foundation and understanding of networks in general. I am currently working as a Senior Network Engineer/Architect. Technologies that I've worked with include the following: -Nexus 9k, 7k, 5k -ASR Routers -ISR Routers -Cisco Switches (2960s, 3750s, 3850s, etc.) -Cisco ASA's Pre/Post 8.3 code -Cisco Voice - Callmanager and Callmanager Express, Presence, Unity, CAD, SIP Gateways, etc. -Wireless Controllers (4400, 5508, 2500) -Wireless Bridges, Autonomous AP's, LWAP/CAPWAP -LMS, Prime -Clean Access (but it's been a while) -802.1x/PKI

$50.00 /hr
1 hours

Anton Z.

Anton Z. Agency Contractor

Network Security Engineer (CCNP Security)

Russia - Tests: 6

Self-motivated, problem-oriented information security engineer with 9+ years of experience at large enterprises with focus on (but not limited to) networking security. My qualification can be supported by: - several industry certifications such as CCNP Security by Cisco and CISA by ISACA (currently working on CCIE Security); - feedbacks of my collegues and Customers. Provide expertise in and ready to work with technical solutions: - Cisco firewalls (ASA, PIX, FWSM, Context-Aware firewall CX, FirePower services), routers, switches, management systems (Cisco Security Manager - CSM, Cisco Prime Security Manager - PRSM), identity and access control services (ISE, ACS), monitoring systems (Lancope StealthWatch / Cyber Threat Defense - CTD), VPN technologies (AnyConnect, VPN Client, Site-to-site, remote access); - Check Point firewalls (R75, R77) with software blades and management systems (SmartCenter, SmartEvent, etc), ThreatCloud sandboxing; - Blue Coat proxy servers; - F5 Networks BIG-IP appliances; - other router platforms: Mikrotik RouterBoard, Zyxel, e.t.c. Able do design, install and support network security services. Feel comfortable to work on my own or as a team member. In 2014 occupied in several enterprise-wide projects: - deploying BYOD services in corporate WLAN; - deploying web-application firewall services; - modernizing Internet Edge with new Check Point NGFWs; - modernizing remote access services with Cisco AnyConnect and Cyber-Ark PSM. And now I decided to try myself @ oDesk :)

Associated with: Netvice

$22.00 /hr
53 hours