Maintain servers and software for all systems related the collection and storage of global AIS data. Deconstruct both systems and processes to implement effective monitoring and proactive management strategies.

https://jasonellison.net/

Utilize automated tools such as Puppet, Ansible, and Expect to manage and maintain a large VoIP install base.Manage and maintain a large email infrastructure.Manage and maintain cPanel and Plesk hosting environments.Industrial wireless and Ethernet design and debug for Kuka, Boeing, General Motors, etc. Focus on SIEMENS gear and Profinet, ISO/TCP.Maintaining low latency and safe transport for industrial PLC protocols and safety traffic.

Work with a virtual team (they are humans) to maintain a large number of Linux hosting servers which are also geographically distributed. Maintain Cisco based network and Cisco Unity Express phone system. Manage VPN devices to enable secure connections for both phones and users. Implement and maintain high performance loadbalancer setup. Focus on networking, security, virtual environments and automated Linux administration. A fun "all hands on deck" environment.

Linux Administration (Proxy, Fileserver, Nagios Monitoring, Task Automation)Windows Administration (Desktop and Server)Network Design and Administration (Switches, Routers, Firewalls and Wireless)DOCSIS/CMTS on HFC cable networkSCADA supportMaintain and support : 10 Windows Servers 8 Linux, FreeBSD, OpenBSD servers. 140+ Desktops/Laptopspatched nagios plugins-root/check_dhcp.ccheck_dhcp: Don't misinterpret the "siaddr" fieldhttps://github.com/monitoring-plugins/monitoring-plugins/commit/4d5276273287ef59881b541ba96279e91974a4b2check_dhcp: Fix handling of "pad" optionshttps://github.com/monitoring-plugins/monitoring-plugins/commit/f091d59e0f9abec9304d9d230fafc2dec001baba

Offer professional IT service to companies with a focus on security.Authored the following:check_dell_openmanageNagios check plugin that monitor Dell servers.It has become quite popular and is used all over the world.https://exchange.nagios.org/directory/Plugins/Hardware/Server-Hardware/Dell/check_dell_openmanage/detailscheck_pop3_accountNagios check plugin that monitors a POP3 account.https://exchange.nagios.org/directory/Plugins/Network-Protocols/IMAP4-and-POP3/check-pop3-account/detailscheck_dell_openmanage project led to an article being published in Linux Journal Issue 182 June 2009.https://www.linuxjournal.com/magazine/snmp-monitoring-nagios

Embedded Linux Engineer working with Ubiquity Networks on AirOS (an embedded Linux wireless platform)

Design wireless networks using 802.11a/b/g COTS radio equipment. Networks are installed on cellular towers with 5mi range. Wireless routers are Linux based routers running IkarusOS by antcor. Worked with antcor to fix software issues found while testing their product IkarusOS.Designed and Implemented an Open Source Studio to Transmitter Link (STL). Created with (mostly) Open Source Software and in use by a local FM and two local AM radio stations. The results were published in BDS Magazine's 2009-02 edition.http://www.bsdmag.org/magazine/829-pc-bsd-uncovered

Wireless & Wired Network EngineerWindows/Linux System AdministrationLefthand iSANS administrator, Microsoft Virtual Server administrator, Cisco Switch/Router/PIX/ASA, HP switches and routers, Juniper Netscreen, SonicwallFocused on larger clients in the Medical Field.

Consultant on jobs Cisco, Unix and security related. Design and configure medium sized networks using Cisco and Linux as components. Design and configure IPSec Networks using Cisco routers, Cisco Pix firewalls, Sonicwall, and FreeSWAN(Linux). Design and configure highly redundant layer two and layer three networks for use with SANs solutions. Created Linux based samba servers to replace Windows/Novell servers. Utilized Hylafax and Linux to automate a bill processing business, cutting labor requirements in half.

Network and Systems Analyst. Install, configure, maintain and monitor a Cisco based network, including cisco catalyst switches, cisco routers and VPN concentrators. Write custom scripts in expect/bash/perl to manage Cisco device change control. Configure and support multiple AIX 4.x RS/6000 servers. Automated Unix remote backup procedures by implementing software controlled robotic tape libraries. Configure, maintain dhcp, bind, apache, mysql, sendmail servers on AIX and Linux. Install, configure and maintain Citrix Metaframe server. Install and maintain multiple Windows NT 4.0 through Windows 2000 file Servers. Install, configure and maintain Novell 4.11 servers. Deploy and support of 100+ win2000 workstations. Configure and monitor Oracle 8.x servers. Used Netsaint, MRTG, HelpmeICT and several custom programs to automate system and network maintenance. Wrote several custom utilities in bash, C, expect, perl, php and python. Unix, Windows and Cisco security.

Lead Technician. Build and upgrade PC’s, Install, configure, troubleshoot networks LAN and WAN. Experience with Win9x/NT, SCO, Linux, Novell 3.x-4.x, Winframe and Metaframe, IPSEC, TCP/IP. Designed and Installed City of Foley Network / Servers (City, Police, Library). Desgined Linux IPSec routers. Familiar with Ethernet and fiber structured cabling.

Technician. Build, upgrade, troubleshoot PC’s. Install software. Experience with Windows 3.11 WFWG, Windows 95/NT, Unix and AutoCAD. Installed and maintain Novell 3.12 servers. Structured ethernet cabling. Install BNC coaxial networks.

Technician, Build and upgrade PC’s, Install networks Experience with 386, 486, Windows 3.0, 3.11 WFWG, Windows 95 Beta and Novell 3.12. Maintain various car dealerships networks around the state of Alabama. Services workstations and the network at the City of Daphne. PC Quality Control.