William Owen Rayfield
To obtain a career that utilizes my current skill level while challenging me to expand my knowledge base. Leveraging proven industry leading technology to refine architectures providing stellar performance and security.
Design and deploy robust architectures in Enterprise multi-vendor environments.
Configure and maintain a wide variety of devices and protocols from many vendors including but not limited to the following:
Seucrity Appliances :Palo Alto 3060/500, PIX, Cisco Firewall Service Module, Checkpoint 12600-4600-M2, Fortigate, Sonic Wall, Snort / sensors, VSGATE, Raptor firewalls, Symantec Enterprise Firewall, ISS Real Secure, IPSO many unlisted devices
Routers/ Switches :Cisco routers 7200/3660/2900/2800/2500/1700, Cisco Nexus 5000,-7000, Cisco Catalyst 2900/3550/3650/3750/4900/6509, as well as many unlisted devices
Wireless : WIFI, Cisco Wireless, Aruba Wireless, 802.11 B/G/N/AC, Point to Point, Point to Multi Point, Ubiquiti well as many unlisted devices
Telecom : Cisco Call manager, Jive, Shoretell, Voice Gateways, VOIP systems, PRI, CSU-DSU, Terminal Port Servers, POTS, FTTN, FTTH, Fonality as well as many unlisted devices
PROTOCOLS AND RELATED METHODS : Site to Site IPsec VPN, SSL Client VPN, Clientless VPN, SSL Portal, LSVPN, GRE Tunnels, Proxy Services, OSPF, BGP EIGRIP,RIP, NAT, PAT, Policy and object based NAT, SNAT, ACL's, MPLS, QoS, GLBP, HSRP, VRRP, VLAN's, VTP, 802.1Q trunking, LACP, DHCP, VLSM, POP, SMTP, IMAP, DNS, NETFLOW, SFLOW, SNMP, 802.11B/G/N/AC, WEP, WPA, WPA2, WPA2 Enterprise, Telnet, SSH, FTP, SFTP, SCP, IPTV as well as many more unlisted technologies...
Operating Systems: Linux (Red Hat, Fedora, CentOS, Ubuntu, Mint, Arch, Madreva), Mac OSX, Windows Server 03-16, Windows 7,Windows 8, Windows 10
Virtualization :Vmware, VShphere, Oracle Vitual Box, Parallels, Viprion
PROGRAMMING LANGUAUGES/ WEB AUTHORING: Bash Scripting, Power Shell, HTML,, Dream Weaver
NETWORK MONITORING/MANAGEMENT SOFTWARE: Palo Alto Panorama, Palo Alto Wildfire, Cisco ASDM, Cisco Firepower, Cisco Security Manager, Cisco Call Manager, Cisco Transport Manager, Cisco ACS, Cisco Prime Infrastucture, F5 Web Application Firewall, Snort, Splunk, Net Scout, Extra Hop, Netspan, Network Observer, Arc Site, Gigamon, Wireshark, SolarWindsMRTG, Argent, Site Scope, Cacti, Nagios, NTOP, NFsen, What's Up Gold, NMIS, Perfmon, Airwave, Jperf, B-test, InfoBlox DNS, Cisco CNR DNS, Microsoft DNS, Microsoft DHCP Servers
PROPRIETARY SOFTWARE :Microsoft Office (Excel, Access, Powerpoint, Word, Visio), Smart-draw, Flash, Director, Photoshop, Go Back IPTV, Service NOW, Remedy, Heat, Service Desk, Platypus Billing, Track it, Quick Base, Customer Manger, Time Force, MapCom, Topo, QuickBooks, Peachtree
August 20, 2019- November 19, 2019 TeamLogic IT, Colorado Springs
Systems Administrator In this role I was responsible for both remote and onsite support. The role had me installing, configuring and deploying Windows 2016 Servers and upgrading Windows 7 to Windows 10 for the End of Life of the Operating System. I setup and deployed Sonic Firewall at customer sites. Supporting VAULT for engineering collaboration as well as Egnyte for cloud based sharing. Installed configured and deployed UPS World Ship, Fed Ex Shipping Software, Multiple applications supported but not limited to Quickbooks install and support, Bluebeam install and configure, Autocad installed and configured stand alone and license server, Office bot VLA and Office 365,and hosted Exchange.
August 8, 2016- August 19, 2019 Nexustek Denver Colorado
Remote Service Support Engineer My first year at Nexustek I worked supporting a number of high profile clients on the ipremise team. I was managed directly by Jennifer Milan and we used the kayako platform for ticketing. My tier 2 responsibilities were to act as an escalation point for the team. I also managed the backups for over 200 clients running AWS online backup. As a tier 2 engineer I deployed and administered Mikrotik firewalls to client sites. As well as managed many multiple servers terminal server environments.I worked with Microsoft Exchange Server in the SBS environment. We deployed another Exchange Server to host a multi domain environment and I supported the server as well as user admin
After a merger Tim Kline took over the team and we used Sales Force for our ticketing system and started to support Fortigate and Sonic Firewalls. I have configured and deployed both firewalls and have experience setting up NAT rules for public facing IP to reach private facing resources.I also have configured SSLVPN with LDAP and local users on Sonic Firewalls. We worked on many O365 migrations from onsite Exchange and other platforms.
After another merger the team was taken over by Andy Johns we used Connectwise and ITGLUE for tickets and documentation and I continued to work under him for a few months with the same workload. .
I was awarded the companies top employee award by Mike Jenner CEO for my dedication to the company, continued positive customer service surveys and consistently lead the board in time billed and cases closed.
May 2010 – August 2016 Total Technology Solutions Denver Colorado
Security Analyst/Network Engineer While working for Total Technology Solutions of Denver Colorado we work maintaining and deploying network services from Cisco 1700 to 3600 series routers in a broad range of customer environments. My daily tasks involve configuration rule changes on ASA 5540-5520-5510-5505, Checkpoint, and Palo Alto firewalls in production environments. I also deploy and isolate vlans on Cisco Catalyst 2900/3550/3650/3750 switches. Often I am tasked with supporting anti-virus solutions for a broad range of clients.. One of my roles as admin required my to field calls for end users who needed specific access to sites or VPN access. Since I work well explaining and training end users I was often flagged as a candidate to work training as well as documenting for clients.
Sept. 11 2001-Oct.. 2006 Riverside Health System Newport News, VA
Sr. Security Systems Analyst My first year at Riverside I worked supporting a critical medical records application in a load balanced Citrix Metaframe (thin-client) environment with an Oracle 8i backend for over 500 users. While at Riverside I worked to Support server and network connectivity for 14 remote affiliate offices. This role required me to interact with Directors, Doctors, Nurses and hospital staff. My second year with the company my duties were switched to become the new Security Administrator. That year I implemented a new ISS Real Secure and HIDS (host based intrusion detection system) and NIDS (network based intrusion detection systems) worked to create policies for our environment, as well as administered upgraded and analyzed the traffic to the device. Implemented and supported Symantec Enterprise Anti Virus Solution for the Health System. Deployed, configured and supported Symantec Enterprise Firewall for Windows 2000 and a Cisco PIX firewall. Implemented Zix VPM encrypted email system. I helped the company with compliance of HIPAA standards while working to resolve security concerns in the Health System. While working as the Security Administrator I was also called in on multiple projects and have implemented a number of medical applications in a production environment. This year I was tasked with and implemented a new Red Hat Linux IDS Snort solution in the enterprise to monitor remote network segments. Also, worked to properly define VPN ACL for the Health System.
Jan 2001-Sept. 8, 2001 METRO Information Services Virginia Beach, VA Network Desktop Specialist Part of a team of 11 that was directly responsible for network operations for 32 offices located across the United States and Puerto Rico. Worked on a team that implemented and supported a variety of critical and non-critical applications in a load balanced Citrix Metaframe (thin-client) environment for over 600 users nationwide. Supported server and network environment for 32 sites containing over 180 Windows NT and Windows 2000 Servers for over 5000 end users connected via TCP/IP frame relay WAN. Each office housed a BDC, an Exchange Server, as well as various Cisco routers and switches. This job required extensive interaction with the Metro internal and external customer base. Customer POCs range from End Users to Metro Corporate Officers and IT staff at over forty US locations. I administered Microsoft SMS 2.0 for the enterprise, using it to remote control desktops and servers, inventory software. I wrote a Windows 2000 Professional Remote Access manual as well as developed a troubleshooting manual for new administrative staff members
December 1999-November 2000 Tech Logic of VA Virginia Beach, VA
Jr. Network Engineer Implemented multiple local area networks as a Jr. Network Engineer I worked on a team that was directly responsible for implementing new infrastructures and keeping the remaining data intact. We deployed Microsoft NT 4.0 Servers running the Back Office Servers. Along with deployment came problem solving for the customer base for which we implemented a variety of solutions. I was fortunate enough to work on a help desk level as well as administrator for a number of clients. This involved working with a large range of people and systems. My clients ranged from Pizza shop owners, large accounting firms, to doctors offices.
November 1998-December1999 A.R.B. Computing Virginia Beach, VA
A+ Computer Technician While I was working at A.R.B. I was expected to resolve PC software and hardware issues. We also built new and legacy PC’s for the public. This position required that I used my communication skills with the public in order to effectively determine what the problem was with the PC. Worked with numerous Operating Systems ranging from Microsoft Windows NT 4.0, Windows 3.1, and Windows 9x.
February 1998 - December 1999 E.L.H. Cabling Norfolk, VA
Cable Installer I assisted in designing and implementing cable installs on a wide variety of infrastructures. We worked on CAT 5 Ethernet installations as well as Fiber Optic cable. Experienced with installing patch panels, running cable drops and splicing fiber optic cables.
Education 1998 - 2000 E.C.P.I. College of Technology Virginia Beach, VA A.S.S. Majored in Information Systems with Computer Science
Certifications: Microsoft Certified Professional in NT 4.0 and Windows 2000, Windows 2000 MCSE (CIP), CITRIX Metaframe Microsoft Windows 2000 Server and Professional, Microsoft Windows NT 4.0 Server and Workstation, Microsoft Windows NT Terminal Server, Microsoft Systems Management Server, Microsoft Proxy Server 2.0, Microsoft Internet Information Server 4.0 and 5.0, Microsoft Exchange Server 5.5, Microsoft Windows 9.x, Microsoft Windows CE, Microsoft Office Suites, ICMP, TCP/IP, Citrix Metaframe 1.8, Citrix Metaframe XP, Novell Netware 4.x - 5.x, IMAIL, Compaq Server hardware and Management Software,, SQL, Access, Oracle, Cisco TACACS RAS server, VPN solution, CISCO VPN, Logician, CISCO IOS, Packeteer, Packet sniffers, Cerner applications, SIEMENS, WINRAD, WEBMD and batch scripting
Personal and Professional References Available Upon Request