Overview
• 10 years of Linux experience
• 8 years of Windows Server experience
• 16 years of System Administration experience
• 3 years of Management experience
Work Experience
Lead Web Systems Engineer
International Cruise and Excursion
2/09 – current
Lead Wed Systems Engineer in charge of 24/7 operations and support for corporate data center. Have worked extensively with CentOS & Debian Linux. With the following key duties:
- Performed two complex data center migrations with five 9′s availability.
- Managing web application flow in a 3-tier architecture and implementing system best practices.
- Mail server relay setup and configuration, monitoring and performance tuning.
- Implementation of Wiki documentation server that is being used between systems and networking.
- Consolidated virtualization to a standard & uniform platform (VMware ESXi).
- Nagios monitoring agent performance tuning and tracking metrics.
- Implemented CVS repository for system and application configurations.
- Setup basic IT ticket tracking system for changes and issues with the focus on change management.
- Created automated scripts for code pushes and change updates.
Sr. Systems Administrator
Incentive Logic, Inc.
10/04 to 11/08
Sr. System Administrator in charge of 24/7 operations and support for corporate data center. Have worked extensively with Debian Linux, including setting up the following technologies:
- Hardware Load Balanced (via Foundry Server Iron & Cisco Pix 515e) web servers running Apache 1.3.x, Apache 2.x and Microsoft IIS.
- Extensive experience implementing SSL software and SSL Certificates within Apache.
- MySQL database server installation, support and optimization in a master/slave configuration.
- Extensive utilization of Cisco PIX 515 series to support enterprise applications.
- Created and managed Postfix Mail server utilizing extensive anti-spam blacklisting, greylisting and virus protection integrated into existing mail services.
- Setup and managed DNS in master and slave configurations utilizing Bind9.
- Intrusion Detection Systems utilizing Snort, Acid and Snortcenter.
- Created and implemented network monitoring and network operations consoles utilizing Cacti as well as Nagios.
- Managed user account creation and system maintenance (patches, upgrades) for complex network segmented Linux setup.
- Working knowledge of various Cisco networking equipment including Pix 515e and 1841 Routers.
- Implemented caching proxy server to ensure proper bandwidth management.
- Designed and implemented corporate change management policies and best practices.
Lead Systems Administrator
IBM Global Services
4/97 to 11/03
Team Lead of 8 Systems Administrators while providing Senior Technical Support, on a 24 by 7 basis, for American Express distributed environment. Key duties:
• Manage business relationships with outside groups to provide a single point of contact into Operations
• Change request review and approval
• Performance reviews and appraisals
• Monthly 1 on 1 sessions
• Make improvements in the applications and create process improvements, which allow Operations to work more closely with the outside organizations
• Implementation of Security Standards
• Application design reviews
Have also attended extensive Microsoft, Aix and Sun training courses with the focus on system administration.
Contractor
Xantel Corporation
1/97 to 3/97
Responsible for studying and designing an Internet and Intranet strategy, including:
- Implementation of a Corporate Firewall
- Setup of a remote access server
- Creating SMTP/POP3 mail servers
- Integrating DNS servers and a web server
Was responsible for weekly presentations and meetings. Helped maintain a 50 plus user Windows NT network, including MS Proxy server, MS Exchange server and Windows NT server
Network Engineer
Precision Response Corp
5/96 to 11/96
Responsible for maintaining a multiple WAN/LAN network environment, including multiple Windows NT servers and Novell file servers. Daily duties included troubleshooting network bottlenecks, user PC errors, and other hardware related issues. Responsible for handling Technical Support calls, network administration and group problem solving.
TECHNOLOGIES USED/COURSES TAKEN:
- Red Hat and Debian Linux
- Microsoft SMS, IIS, SNA, SQL, Exchange, Terminal Server, Windows 2000, Windows 2000 Active Directory, Windows XP
- IBM AIX Version 4 and MQ series
- Sun Solaris Version 7 System Administration and Solaris Security
- Windows NT security
- Citrix Metaframe & Windows Terminal Services
- Earnest & Young ‘Defending your Site’ Site Hacking & IDS
- VMWare Server
