NETWORK ENGINEER

A versatile professional with 8+ years of experience in Information Systems Technology (IT), systems engineering, network security and network management. A seasoned consultant with excellent experience in running 24/7 network operations. Extensive experience in writing technical documents and end user product trainings; strong analytic, problem solving, planning and organization skills; flexibility, adaptability, proven management and leadership skills.

PROFESSIONAL EXPERIENCE

Confidential, Rockville, MD6/2009 - Present
Network Engineer

• Lead and assist with Active Directory and Microsoft Exchange implementations and migrations.
• Used network protocols, such as: TCP, UDP, DNS, DHCP, HTTP, SSL/TLS, FTP,SMTP, SMB/CIFS, LDAP.
• Demonstrated a working knowledge of Routing and Switching Protocols as EIGRP, RIP, RIPv2, OSPF,STP,RSTP,VTP,EtherChannel,MST,HSRP,VRRP,GLBP.
• Implemented VLANs, ACL's, on Cisco Routers and Switches to meet security expectations.
• Worked different forms of authentication Kerberos, Radius, TACACS+, LDAP.
• Implemented WAN topologies such as MPLS, Frame Relay, and Point-to-Point Links.
• Installed, Configuring, and maintaining Cisco ASA/PIX 5510,5540 Firewall Appliances.
• Implementation of different VPN protocols such as SSL,IPSEC,PPTP,LT2P.
• Managed Exchange 2003, 2007, 2010 servers.
• Implementation HP Tipping point IPS/IDS devices.
• Implementation AAA services and how they integrate with other Cisco technologies.
• Participated in Network Security and Performance audits. Designed solutions that best fit clients long term business goals.
• Configure Cisco Catalyst 2960, 3750 switches, and manage several VTP environments.
• Configured Cisco 2800,2611XM series routers, with zone based firewall features.
• Manage AppRiver,Postini anti-spam services, along with and content filtering.
• Installed,and managed Blackberry Enterprise Server(BES).
• Other responsibilities include network monitoring using Cisco Netflow.

Confidential, Nashville/TN 9/2008-6/2009
Network Engineer/Consultant

• Preformed network asset management, including maintenance of network component inventory and related documentation and technical specifications information.
• Participated in server upgrade from Windows Server 2000 to Windows Server 2008.
• Perform server and security audits.
• Performed maintenance on Active Directory.
• Replaced remote sites firewall's with Cisco 871w Routers.
• Implemented disaster recovery solution.
• Perform system backups and recovery with Symantec BackupExec.
• Monitor and test network performance and provide network performance statistics and reports.
• Recommend, schedule, and perform network improvements, upgrades, and repairs.
• Provide technical support remotely, and onsite.
• Upgrade antivirus with TrendMicro.
• Implemented Site-to-Site VPN between remote offices.
• Implementation of Wireless Technologies.

Confidential, Atlanta/GA 4/2008-9/2008
Network Engineer/Consultant

• Performed Exchange upgrades from 2003 to 2007.
• Implemented Cisco, ISA 2003, and Sonicwall Firewalls, ASA 5505,TZ model line.
• Performed Server Upgrade with Dell PowerEdge units.
• Performed OS upgrades from Server 2000 to server 2003.
• Created Site-to-Site VPN's for Various client Sites.
• Implemented secure remote access solution by creating L2TP/PPTP VPN's.
• Managed VLANs on Cisco Catalyst switches.
• Set Security Permissions on IIS for mobile connectivity.
• Advise, consult, and assist in the planning, installation, integration, configuration, testing, implementation and management of the customer network infrastructure environment.
• Manage Symantec Antivirus policies.
• Create and revise current network diagrams and documentation.
  

Confidential, Gaithersburg/MD 11/2006-8/2007
Network Administrator

• Provide Server, Network, PC/Workstation administration and support for 40+ users.
• Managed Dell Switches, and VLAN.
• Maintained Remote Access (VPN), Site-to-Site, PPTP connections.
• Maintained Dell/HP servers, PC's, workstations and printers. (seven servers, Windows environment)
• Administer and maintain Microsoft Exchange Server 2003 and user accounts.
• Maintain and apply security and operating system patches and enhancements.
• Configure/maintain Internet filtering and security.
• Maintain system backups and perform system/file restorations on Windows systems.

Confidential, 5/1999-5/2002
Confidential, Daytona Beach/FL
Confidential, Daytona Beach/FL

• Network Administration including the creation and deletion of user accounts.
• New workstations set-up; including installation of printers and software.
• Provided technical support for users; resolving network log-in problems, tuningworkstations, monitoring system utilization and advising employees how to achieve optimum computer performance.
• Assisted IT Manager with:
• Managing users (100) networking environment.
• Performing 100+ system upgrades.
• Troubleshooting network problems.
• Keeping the local area networks secure.
• Maintaining network security policy.
• Addressing server security issues and applying appropriate security patches and upgrades.
• Completed system inventory of all departments and maintained database of inventory.
• Provided support for a complete overhaul of official websites including designing several websites for various departments.

EDUCATION

Associates of Science degree in Network Administration

CERTIFICATIONS

Microsoft Certified Professional(MCP) , CCNP, CCNA, CCNA Security, Security+, Linux+Cisco IOS Security Specialist