Systems Administrator

• Feb 2017 - Present

Unix System Administrator

• Jul 2012 - Aug 2016

Responsible for maintaining servers in multiple data centers in the US, Europe and Asia for accounts with Swisscom, AT&T and various other corporate customers. Over 1,000 web and mail server deployments on various platforms such as Redhat/CentOS, FreeBSD and Irix. Troubleshooting customer configuration issues and compromised accounts as well other security issues using logs and other command line tools, such as netstat, lsof, etc. Maintained bash shell and Perl scripts for admin tools.… Show more Responsible for maintaining servers in multiple data centers in the US, Europe and Asia for accounts with Swisscom, AT&T and various other corporate customers. Over 1,000 web and mail server deployments on various platforms such as Redhat/CentOS, FreeBSD and Irix. Troubleshooting customer configuration issues and compromised accounts as well other security issues using logs and other command line tools, such as netstat, lsof, etc. Maintained bash shell and Perl scripts for admin tools. Administered Virtual Private server accounts on Linux OpenVZ containers. Administered VMware clients using VSphere. TCP/IP network address configurations. • Assigned to build out new servers to meet customer requirements, ensuring sufficient capacity to allow for Verio’s growing customer base. • Provisioned and configured servers for major consolidation of Swisscom customer accounts. Responsible for bringing online the new servers and testing that all migrated accounts were fully functional. This reduced the number of servers in datacenter by 30% with significant savings on datacenter costs to Swisscom. • Participated in the project to move physical FreeBSD webservers to virtual VMware clients allowing the company to decommission the physical servers, saving considerably on Verio’s datacenter costs. • Troubleshooting TCP/IP and Ethernet issues between servers and switches, resolving all issues significantly reducing downtime. • Rescued customer data on multiple separate occasions in a severely failed RAID configuration. Brought customers back to working operation. • Responsible for Tier 2 and Tier 3 tickets for web hosting, FTP client, e-mail client, e-mail hosting supporting Verio, Swisscom, AT&T and various other customers. • Investigated DOS attacks on customer servers. Tracking down compromised customer scripts and disabling them, blocking the traffic and preventing the compromised account from affecting the rest of the network. Show less Responsible for maintaining servers in multiple data centers in the US, Europe and Asia for accounts with Swisscom, AT&T and various other corporate customers. Over 1,000 web and mail server deployments on various platforms such as Redhat/CentOS, FreeBSD and Irix. Troubleshooting customer configuration issues and compromised accounts as well other security issues using logs and other command line tools, such as netstat, lsof, etc. Maintained bash shell and Perl scripts for admin tools.… Show more Responsible for maintaining servers in multiple data centers in the US, Europe and Asia for accounts with Swisscom, AT&T and various other corporate customers. Over 1,000 web and mail server deployments on various platforms such as Redhat/CentOS, FreeBSD and Irix. Troubleshooting customer configuration issues and compromised accounts as well other security issues using logs and other command line tools, such as netstat, lsof, etc. Maintained bash shell and Perl scripts for admin tools. Administered Virtual Private server accounts on Linux OpenVZ containers. Administered VMware clients using VSphere. TCP/IP network address configurations. • Assigned to build out new servers to meet customer requirements, ensuring sufficient capacity to allow for Verio’s growing customer base. • Provisioned and configured servers for major consolidation of Swisscom customer accounts. Responsible for bringing online the new servers and testing that all migrated accounts were fully functional. This reduced the number of servers in datacenter by 30% with significant savings on datacenter costs to Swisscom. • Participated in the project to move physical FreeBSD webservers to virtual VMware clients allowing the company to decommission the physical servers, saving considerably on Verio’s datacenter costs. • Troubleshooting TCP/IP and Ethernet issues between servers and switches, resolving all issues significantly reducing downtime. • Rescued customer data on multiple separate occasions in a severely failed RAID configuration. Brought customers back to working operation. • Responsible for Tier 2 and Tier 3 tickets for web hosting, FTP client, e-mail client, e-mail hosting supporting Verio, Swisscom, AT&T and various other customers. • Investigated DOS attacks on customer servers. Tracking down compromised customer scripts and disabling them, blocking the traffic and preventing the compromised account from affecting the rest of the network. Show less

Network Control Center Technician Tier II

• Mar 2009 - Jun 2012

Monitored data center critical infrastructure and facility security for multiple data centers. Shared web hosting servers, mail servers and virtual private servers for thousands of customers in the US, Europe and Asia for the NTT Global tier one network. Using Whatsup Gold, Nagios and in house developed monitoring tools to ensure customer SLAs, escalating network and server outage issues to the network and system admin teams. Performed computer hardware maintenance, troubleshot network issues… Show more Monitored data center critical infrastructure and facility security for multiple data centers. Shared web hosting servers, mail servers and virtual private servers for thousands of customers in the US, Europe and Asia for the NTT Global tier one network. Using Whatsup Gold, Nagios and in house developed monitoring tools to ensure customer SLAs, escalating network and server outage issues to the network and system admin teams. Performed computer hardware maintenance, troubleshot network issues, and performed remote & warm hands tasks for customers. • The main point of contact for quite a few major power and network outages, ensuring that all of the participants were notified and updated in a timely fashion, keeping downtime to a minimum. • Verio had various in-house, open source and commercial monitoring tools. I developed PHP scripts that scraped various monitoring tool web pages using curl, increasing visibility for the team to be able to spot outages quicker, decreasing outage times. • Performed installation, de-installation and cabling of servers within the Verio data center environment. • Performed shift supervisor duties for the NOC on an as-needed basis. Show less Monitored data center critical infrastructure and facility security for multiple data centers. Shared web hosting servers, mail servers and virtual private servers for thousands of customers in the US, Europe and Asia for the NTT Global tier one network. Using Whatsup Gold, Nagios and in house developed monitoring tools to ensure customer SLAs, escalating network and server outage issues to the network and system admin teams. Performed computer hardware maintenance, troubleshot network issues… Show more Monitored data center critical infrastructure and facility security for multiple data centers. Shared web hosting servers, mail servers and virtual private servers for thousands of customers in the US, Europe and Asia for the NTT Global tier one network. Using Whatsup Gold, Nagios and in house developed monitoring tools to ensure customer SLAs, escalating network and server outage issues to the network and system admin teams. Performed computer hardware maintenance, troubleshot network issues, and performed remote & warm hands tasks for customers. • The main point of contact for quite a few major power and network outages, ensuring that all of the participants were notified and updated in a timely fashion, keeping downtime to a minimum. • Verio had various in-house, open source and commercial monitoring tools. I developed PHP scripts that scraped various monitoring tool web pages using curl, increasing visibility for the team to be able to spot outages quicker, decreasing outage times. • Performed installation, de-installation and cabling of servers within the Verio data center environment. • Performed shift supervisor duties for the NOC on an as-needed basis. Show less

Linux System Administrator and PHP/MySQL Developer

• Oct 2008 - Mar 2009

Managed and maintained the Redhat 5 Linux server and samba share user accounts for multimedia developers. Maintained versioning control using SVN and maintained backups using nightly rsyncs. Continued development of Kaizen’s own Learning Management System (LMS) for web-based video training using PHP/MySQL and JavaScript and embedded Flash videos for sales and collections teams used car sales and pawn shops. Administered the web server accounts for LMS clients such as JM Family and Hyundai… Show more Managed and maintained the Redhat 5 Linux server and samba share user accounts for multimedia developers. Maintained versioning control using SVN and maintained backups using nightly rsyncs. Continued development of Kaizen’s own Learning Management System (LMS) for web-based video training using PHP/MySQL and JavaScript and embedded Flash videos for sales and collections teams used car sales and pawn shops. Administered the web server accounts for LMS clients such as JM Family and Hyundai. Developed, setup and administered for the http://www.V-Active.com corporate website. • Quickly learned installation of Apache, PHP/MySQL and Subversion on an Enterprise Redhat Linux server using a Dell server and RAID 10 configurations, allowing for the development and design teams to share files and to maintain version control, greatly increasing productivity and reliability. • Became the desktop support for developers and other employees and maintained SAMBA for shared directories on Microsoft Windows workstations allowing developers easier access to share resources. Show less Managed and maintained the Redhat 5 Linux server and samba share user accounts for multimedia developers. Maintained versioning control using SVN and maintained backups using nightly rsyncs. Continued development of Kaizen’s own Learning Management System (LMS) for web-based video training using PHP/MySQL and JavaScript and embedded Flash videos for sales and collections teams used car sales and pawn shops. Administered the web server accounts for LMS clients such as JM Family and Hyundai… Show more Managed and maintained the Redhat 5 Linux server and samba share user accounts for multimedia developers. Maintained versioning control using SVN and maintained backups using nightly rsyncs. Continued development of Kaizen’s own Learning Management System (LMS) for web-based video training using PHP/MySQL and JavaScript and embedded Flash videos for sales and collections teams used car sales and pawn shops. Administered the web server accounts for LMS clients such as JM Family and Hyundai. Developed, setup and administered for the http://www.V-Active.com corporate website. • Quickly learned installation of Apache, PHP/MySQL and Subversion on an Enterprise Redhat Linux server using a Dell server and RAID 10 configurations, allowing for the development and design teams to share files and to maintain version control, greatly increasing productivity and reliability. • Became the desktop support for developers and other employees and maintained SAMBA for shared directories on Microsoft Windows workstations allowing developers easier access to share resources. Show less

Network Control Center Technician (contract through TEK Systems)

• Jul 2006 - Oct 2008

Monitor shared web servers, mail servers and virtual private servers for thousands of customers in multiple data centers in the US Europe and Asia for the NTT Global tier one network, ensuring customer SLAs, escalating network and server outage issues to the network and system admin teams. • Responsible for Tier 2 and Tier 3 tickets for web hosting, FTP client, e-mail client, e-mail hosting, supporting Verio, Swisscom, AT&T and various other customers. • Created trouble tickets using… Show more Monitor shared web servers, mail servers and virtual private servers for thousands of customers in multiple data centers in the US Europe and Asia for the NTT Global tier one network, ensuring customer SLAs, escalating network and server outage issues to the network and system admin teams. • Responsible for Tier 2 and Tier 3 tickets for web hosting, FTP client, e-mail client, e-mail hosting, supporting Verio, Swisscom, AT&T and various other customers. • Created trouble tickets using Remedy to track troubles, escalate, and dispatch. Show less Monitor shared web servers, mail servers and virtual private servers for thousands of customers in multiple data centers in the US Europe and Asia for the NTT Global tier one network, ensuring customer SLAs, escalating network and server outage issues to the network and system admin teams. • Responsible for Tier 2 and Tier 3 tickets for web hosting, FTP client, e-mail client, e-mail hosting, supporting Verio, Swisscom, AT&T and various other customers. • Created trouble tickets using… Show more Monitor shared web servers, mail servers and virtual private servers for thousands of customers in multiple data centers in the US Europe and Asia for the NTT Global tier one network, ensuring customer SLAs, escalating network and server outage issues to the network and system admin teams. • Responsible for Tier 2 and Tier 3 tickets for web hosting, FTP client, e-mail client, e-mail hosting, supporting Verio, Swisscom, AT&T and various other customers. • Created trouble tickets using Remedy to track troubles, escalate, and dispatch. Show less

Contractor to Verio Tech Support

• Oct 2003 - Oct 2004

Provided extensive technical support for HTML MySQL SMTP IMAP FTP PHP DNS, shopping carts and Email clients for various web hosting accounts. Was the first point of contact for web hosting customers for companies such as AT&T, Swisscom, Terra Mexico, Terra Brazil, NTT’s customers in Japan, as well as many smaller resellers of Verio’s hosting services. Assisted customers in troubleshooting their web hosting accounts. Maintained composure and patients in face of difficult customer situations… Show more Provided extensive technical support for HTML MySQL SMTP IMAP FTP PHP DNS, shopping carts and Email clients for various web hosting accounts. Was the first point of contact for web hosting customers for companies such as AT&T, Swisscom, Terra Mexico, Terra Brazil, NTT’s customers in Japan, as well as many smaller resellers of Verio’s hosting services. Assisted customers in troubleshooting their web hosting accounts. Maintained composure and patients in face of difficult customer situations. Upsold customers that found they needed more capacity on their accounts • Took over responsibility for the Customer Follow-up ticket queue, insuring historical issues were resolved to a high standard of customer service. Show less Provided extensive technical support for HTML MySQL SMTP IMAP FTP PHP DNS, shopping carts and Email clients for various web hosting accounts. Was the first point of contact for web hosting customers for companies such as AT&T, Swisscom, Terra Mexico, Terra Brazil, NTT’s customers in Japan, as well as many smaller resellers of Verio’s hosting services. Assisted customers in troubleshooting their web hosting accounts. Maintained composure and patients in face of difficult customer situations… Show more Provided extensive technical support for HTML MySQL SMTP IMAP FTP PHP DNS, shopping carts and Email clients for various web hosting accounts. Was the first point of contact for web hosting customers for companies such as AT&T, Swisscom, Terra Mexico, Terra Brazil, NTT’s customers in Japan, as well as many smaller resellers of Verio’s hosting services. Assisted customers in troubleshooting their web hosting accounts. Maintained composure and patients in face of difficult customer situations. Upsold customers that found they needed more capacity on their accounts • Took over responsibility for the Customer Follow-up ticket queue, insuring historical issues were resolved to a high standard of customer service. Show less

Network Administrator

• Apr 2000 - Apr 2003

As a certified CCNA, monitored internet traffic and administered the Cisco 6509 routers, as well as configured network DS3 and OC12 backbone connections, proposing network growth designs, increasing bandwidth as needed. Implemented and tested routing changes. Maintained PIX Firewalls and VPN between offices. (Affinity Web Hosting merged Cybergate/Valueweb) • Participated in a team that closed Baltimore, MD datacenter, moving servers to Ft. Lauderdale. FL which enabled the company to… Show more As a certified CCNA, monitored internet traffic and administered the Cisco 6509 routers, as well as configured network DS3 and OC12 backbone connections, proposing network growth designs, increasing bandwidth as needed. Implemented and tested routing changes. Maintained PIX Firewalls and VPN between offices. (Affinity Web Hosting merged Cybergate/Valueweb) • Participated in a team that closed Baltimore, MD datacenter, moving servers to Ft. Lauderdale. FL which enabled the company to consolidate existing networks considerably reducing costs. • Monitored network traffic usage and expanded internet backbone from DS3 to OC12 circuits, greatly increasing network capacity from 45MBPS to 622MBPS. • Solved network connection issues with onsite facilities crew and remote administrators. • Maintained IP network address numbering space and records with ARIN, ensuring Cybergate and Valueweb had sufficient IP addresses for future customers. Show less As a certified CCNA, monitored internet traffic and administered the Cisco 6509 routers, as well as configured network DS3 and OC12 backbone connections, proposing network growth designs, increasing bandwidth as needed. Implemented and tested routing changes. Maintained PIX Firewalls and VPN between offices. (Affinity Web Hosting merged Cybergate/Valueweb) • Participated in a team that closed Baltimore, MD datacenter, moving servers to Ft. Lauderdale. FL which enabled the company to… Show more As a certified CCNA, monitored internet traffic and administered the Cisco 6509 routers, as well as configured network DS3 and OC12 backbone connections, proposing network growth designs, increasing bandwidth as needed. Implemented and tested routing changes. Maintained PIX Firewalls and VPN between offices. (Affinity Web Hosting merged Cybergate/Valueweb) • Participated in a team that closed Baltimore, MD datacenter, moving servers to Ft. Lauderdale. FL which enabled the company to consolidate existing networks considerably reducing costs. • Monitored network traffic usage and expanded internet backbone from DS3 to OC12 circuits, greatly increasing network capacity from 45MBPS to 622MBPS. • Solved network connection issues with onsite facilities crew and remote administrators. • Maintained IP network address numbering space and records with ARIN, ensuring Cybergate and Valueweb had sufficient IP addresses for future customers. Show less

NOC Technician, Modem Field Technician

• Nov 1997 - Apr 2000

Monitored Cybergate’s Frame Relay network connecting multiple points of presence locations throughout Florida and Georgia for the modem network. Upgraded and installed the modem equipment at remote locations and administered US Robotics modem chassis for dial internet connectivity. Upgrade and patch software for modems. Train new employees and explain protocols clearly and efficiently • When Cybergate was acquired by E.Spire, I built out the modem network using U.S. Robotics modem… Show more Monitored Cybergate’s Frame Relay network connecting multiple points of presence locations throughout Florida and Georgia for the modem network. Upgraded and installed the modem equipment at remote locations and administered US Robotics modem chassis for dial internet connectivity. Upgrade and patch software for modems. Train new employees and explain protocols clearly and efficiently • When Cybergate was acquired by E.Spire, I built out the modem network using U.S. Robotics modem chassis’ in various E.Spire locations, expanding Cybergate’s dialup network to nationwide coverage. • Preformed nightly maintenance on Cybergate’s modems ensuring the firmware was up to date • Installed new modem equipment and turned up the PRI lines for the modems. Ensuring sufficient lines customer connections preventing busy signals

Dialup ISP Tech Support

• Oct 1996 - Nov 1997

Provided phone technical support for dial-up networking customers on various platforms such as Windows 3.11 and mac systems. Worked with customers to resolve connectivity issues. Maintained composure and patients in face of difficult customer situations. • Resolved connection issues for dial-up modem accounts • Assisted customer with connecting their ISDN and phone lines to Cybergate’s modems

MM2 - Nuclear Machinist Mate

• Jul 1981 - Jul 1987

Graduated from Naval Nuclear Power School in Orlando Florida, went on to train at the Navy’s nuclear prototype facility in Idaho Falls, Idaho. Was assigned to be stationed onboard the aircraft carrier USS Enterprise in Alameda, California. Graduated from Naval Nuclear Power School in Orlando Florida, went on to train at the Navy’s nuclear prototype facility in Idaho Falls, Idaho. Was assigned to be stationed onboard the aircraft carrier USS Enterprise in Alameda, California.