Sean C. Payne
1047 Brierfield Dr.
Jacksonville, Florida 32205
Mobile Phone: (904) 576-8249
E-mail:
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OBJECTIVE
Responsible position in system administration utilizing my Linux (RHEL & CentOS), Unix (Solaris) and Windows Server skills.
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WORK EXPERIENCE
Engineer IV - Unix Administrator
Florida State College at Jacksonville, Jacksonville, FL January 2009 - present
Perform the installation and maintenance of Unix (Solaris 10 & 11) & Linux (RHEL & CentOS) operating systems and associated support services. Administer and maintain Solaris Volume Manager, soft partitions, mirroring, raid, ZFS, LVM, etc. Administer and maintain Solaris Zones and Logical Domains. Configure and maintain high-availability clustered systems, such as Student Portal, Employee Portal, and college ERP system. Configure and maintain Webmethods Integration Servers, Webmethods Optimize for Integration Servers, and Webmethods Entirex Servers utilizing Solaris and Tomcat. Configure and maintain college Crowd, Jira and Confluence Servers utilizing Solaris and Tomcat. Configure and maintain LAMP Web and Blog (WordPress) servers for students, faculty, and staff. Configure and maintain LAMP servers for various projects. Configure and maintain test environments for all production environments.
Write software tools for programmers, system administrators and/or users to simplify their jobs and automate processes (Perl and shell scripts). Provide support to developers with development and production servers for middleware and client facing systems. Assist the Oracle database administrator with resource configuration and maintenance. Provide database administration on MySQL servers. Define and implement Active Directory authentication to Solaris & Linux, and AD authentication to web based applications.
Coordinate the planning and implementation of all College Unix activities (i.e. patch management and version upgrades) ensuring that all impacted areas are involved. Provide problem resolution, proactive prevention, detection and circumvention. Assist in the negotiation of contracts and procedures for maintenance of Unix hardware and software in order to provide a current, reliable Unix environment. Analyze current systems software, proposed modifications and new software for impact on installation problems, standards and procedures. Evaluate and make recommendations concerning the introduction of new hardware and software products onto the network. Maintain and utilize performance monitoring tools to identify potential system performance problems. Utilize diagnostic ability to perform fault isolation to include, but not be limited to, vendor software, user software, hardware, procedure and data medium. Research and evaluate Cloud based solutions which could benefit the college.
Open Systems Engineer (Contractor)
10east, Jacksonville, FL July 2008 - August 2008
Development and troubleshooting of Perl scripts for LAMP based applications. Debian based servers with Perl and MySQL.
Middle Tier Support (Contractor)
JEA, Jacksonville, FL May 2008 - June 2008
Provided Middle Tier support in a 24x7 environment supporting Customer Care & Billing. CC&B is an Oracle based application with a Weblogic front end running on Linux and HP-UX. CA Workload is utilized for batch processing and scheduling. Development and troubleshooting of ksh scripts for batch processing. Change management of production environment maintained via Elite CMS.
Systems Administrator
Avidyne Corp, Melbourne, FL October 2007 - March 2008
Provided on site support for Avidyne’s Melbourne offices and backup support of out of state offices. Servers are a mix of Windows 2000, Windows 2003, and Linux. Desktops and laptops are primarily Windows XP with some Linux machines. Maintained door access / security system for both offices. Maintained phone systems for both offices The Wickham office is on an Atligen Phone System. The Manufacturing facility has a newer Alcatel VoIP system. Created the IT Policies and Guidelines booklet. Implemented internal Instant Messaging system for users. Restructured the Active Directory organizational units to better match company structure and give more flexibility on group policies. Restructured internal company email and security groups to better match the company structure.
Sr. Linux / NT Systems Administrator
Optimi, Melbourne, FL November 2003 - June 2007
Agilent sold the Wizard product to Optimi in October 2003, in November I started doing contract IT work for the Wizard team and in April 2004 I was brought on as a full time employee. Using Linux (MNF), set up a firewall w/ DMZ for the Melbourne Office and the Atlanta office and configured, using IPSec, a corporate VPN. Configured the corporate active directory on Windows Server 2003 and moved email to groupware utilizing Exchange 2003 Enterprise Edition and setup secure Outlook web access with IIS and certificates over https for remote users unable to VPN in. Remotely set up their VPN and re-configured the IPSec tunnel so all offices communicate over a meshed VPN tunnel. Went to Malaga to integrate their network, migrating them to Optimi's Active Directory and Exchange environment from their existing AD/Exchange and configured https access to the web based Outlook for their office. Configured company wide Client/Server VPN access for remote users. Using Zabbix on Linux, set up monitoring of the Melbourne office’s network and servers. Deployed Symantec’s Corporate Anti Virus solution for server and desktop Antivirus and deployed Kaspersky Anti-Virus on the Exchange Servers. Configured Mail Relay Servers in the the main offices for special cases where email had to go out of Optimi a specific way. Upgraded our corporate firewalls to SonicWall 2040s and set up each office with dual ISP connections reconfiguring the Interoffice VPN to fail over between ISPs and load balancing outbound traffic. Created the appropriate MX records so that email could fail over to either the secondary link at an office or go through the other offices and que up should we lose all Internet connectivity at an office. Deployed Blackberry Enterprise Servers in the Atlanta and Malaga offices so Blackberry users could have access to Exchange. Deployed the HW & SW for the corporate ERP solution, using Navision on MS SQL in both our EU and US HQs using Citrix for client access. Routinely work with the software developers & QA team configuring test servers for various scenarios. Internally, the majority of the desktop systems are Windows XP with some Linux (Mandrake). Internal servers are a mix of Linux (Mandrake, SuSE, & Fedora), Windows Server 2000 & 2003, and Solaris.
Unix / NT Systems Analyst
CDI [contracted to Agilent Technologies], Melbourne Fl April 2002 - September 2003
Contract IT support for Agilent Technologies' Melbourne Office. Provide IT functions for the office, including frontline support, backup / restore, server administration, and workstation configuration. Workstations are primarily Windows 2000 and Windows XP with some HP-UX and Linux and the servers run Windows 2000 or Redhat Linux. I upgraded the workstations and laptops from Windows NT4 to Windows 2000. Worked with a local ISP to get iDSL installed to host a web based project for the engineers. Upgraded iDSL connection to a T1, to support multiple servers for multiple new projects. Helped the engineers build out Windows 2K & Redhat Linux servers for these projects. Installed and maintain an 802.11b WiFi accesspoint, setting up encryption keys and ESSID. Helped endusers create WiFi profiles for those that have WiFi at home and at the office.
Systems Administrator
ATI Reseach, Inc., Orlando, FL January 2001 - January 2002
System Administrator for ATI's Orlando office. Duties involved all aspects LAN / WAN services, including server and workstation configuration and maintenance, WAN maintenance, network backups of Unix and NT file servers and local Exchange server, server and workstation upgrades, resource planning and local user support. Local network consisted of Solaris 2.6, 7 and 8 servers, Windows NT4 file / print / domain and Exchange 5.5 servers, and Linux servers with Win9x, WinNT, Win2K, WinXP, and Linux clients. Shortly after starting, I modified the backup scheme to include daily, weekly, and montly backups of Unix & NT file severs utilizing ARCserve on NT. I upgraded the Solaris 2.6 "compute" server farm to Solaris 7. I stalled and maintained 802.11b wireless using Orinoco hardware, allowing laptop users to access the network through out the office. I also helped users configure home wireless systems and the wireless profiles on their laptops. I introduced linux to the office and configured test machines for engineers to use, which allowed the migration of some tools from NT and Solaris to Red Hat Linux, providing both a performance gain and cost savings. Configured VPN clients for users so they could access the network from home or on the road. WAN consisted of a T1 to Toronto main office and T1 to the internet, utilizing Cisco 2600s. All hardware interconnected using Foundry Workgroup Switches.
Network Administrator
eCalton.com, Vero Beach, FL February 2000 - November 2000
Maintained and planned a mixed network of Windows NT and Linux Servers for corporate Lan/Wan. Planned and deployed Lotus Domino utilizing Linux for the Server with WinNT and Web based clients. Migrated file server to Linux/Samba to free NT file server to act as a development server. Supported in-house users on WinNT Workstation and started migration to Windows 2K Professional. Supported eCalton clients with both client and server issues. Networked Houston office and configured Wan access to corporate Domino Server via IDSL and configured remote control access of Houston resources from corporate office.
Network Administrator
ACR Systems, Jacksonville, FL February 1999 - February 2000
Maintained and planned network resources for corporate LAN/WAN. Servers included Windows NT4, SCO Unix, Linux, Sun Solaris. Clients running NT4ws, Win95, Win98, Linux, & SCO Unix. Planned / implemented migration of file, print, and network-fax services from Novell to NT. Planned and implemented IP Address new IP scheme. Upgraded TimeControl to SQL 7.0 based server and added java based client access. Upgraded hardware and fixed configuration problems for Exchange 5.5. Planned and implemented Y2K upgrades for network, telecom, and security systems. Maintained corporate phone system on Executone equipment. Maintained corporate security system on Hirsh equipment. Maintained corporate firewall, Axent Techologies Raptor.
Network Administrator
SoluNet, Palm Bay, FL December 1996 - February 1999
Maintained and planned network resources for corporate LAN/WAN. Servers included Windows NT4, Citrix Winframe 1.7, SGI Irix,& Sun Solaris. Clients running NT4ws, Win95, & OS/2. Migrated mail system from POP3 on Linux to MS Exchange. Implemented Citrix as solution for remote office access of corporate applications. Maintained corporate firewall, Watchguard Firebox. Maintained corporate DNS using BIND on Solaris and latter on Windows NT. Maintained corportate website on SGI Webforce using Netscape Server.
Web Services Technician
Florida Online, Rockledge, FL June 1996 - December 1996
Helped start Florida Online's Web Services Department. Designed and built WWW pages for business accounts. Created graphics, coded HTML, Java, and Java Script for web pages.
Director of Marketing
Tachyon Communications Corp, Melbourne, FL November 1994 - June 1996
Worked with business and personal accounts, helping them get the most from the Internet. Designed business World Wide Web pages. Provided technical support for OS/2 and Mac customers.
Vice-President / Manager
Payne Confection Company d.b.a. The Soda Fountain, Melbourne, FL 12/1992 – 3/1994
Helped manage family ice cream business located in the Melbourne Square Mall until we sold it in March of 1994. Responsibilities included scheduling, supervising and training staff, inventory control, manufacturing of product, and daily operation of business.
Manager
Bailey's Limited, Bermuda 8/1990 – 12/1992
Managed wholesale ice cream plant in Bermuda. Responsibilities included oversight of production and shipping, customer relations, installing and maintaining computer systems, and training of staff on computer systems.
Vice-President / Manager
Payne Confection Company d.b.a. Swensen's, Melbourne, FL 6/1984 – 8/1990
Helped manage family ice cream business located in local mall.
______EDUCATION & CERTIFICATIONS
Red Hat Certified System Administrator sitting for exam on May 25, 2012
Cisco Certified Network Associate (expired) January 2002
Unix Administration (General) Branbench Certification December 2000
Microsoft Certified Professional + Internet November 2000
Microsoft Certified Systems Engineer November 2000
Linux Administration (Red Hat) Brainbench Certification September 2000
Microsoft Certified Professional November 1998
Bachelor of Science in Business Administration.
Florida Institute of Technology, Melbourne, FL March 1990
Major in business administration with computer science. Minor in marketing. Course work included software engineering, implementation of business applications, management / computer needs for small to large businesses, and marketing skills.
High School
The Stony Brook School, Stony Brook, NY June 1984
Received bronze medal in computer science, senior year. Learned FORTRAN, Basic, and Pascal while in high school.
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PROFESSIONAL MEMBERSHIPS / AFFILIATIONS
Jacksonville Linux Users Group
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OTHER INFORMATION
I am an Adjunct Professor at the Florida State College at Jacksonville where I teach Linux (CentOS & Redhat) classes.