Maintained operating systems and applications software for 10 servers supporting more than 15000 community, web, and email users. Administered Linux (CentOS/Redhat, Fedora Core), Solaris, and FreeBSD servers. Maintained security by keeping software up to date, applying patches, configuring firewalls, eliminating unneeded services, and monitoring system logs and changes. Monitored system performance. Performed system backups and ensured reliability. Provided reports, technical advice and guidance to management. Communicated directly with customers regarding changes, maintenance periods, and other issues. Achievements include:

 

• • Planned and executed transitions from bare-metal systems to VMWare-based data center machines and, later, to Amazon's Elastic Compute Cloud (EC2). 

• • Conducted several operating system transitions from Solaris and FreeBSD to Fedora Core Linux, and later to CentOS (Redhat) Linux, including porting of applications. 

• • Re-architected billing, registration, and user provisioning systems to use Aria Systems software (SaaS) with REST techniques. 

• • Redesigned and implemented our customer email system, replacing an antique command-line and POP system with a modern Web- and IMAP-based system, while providing an interim cutover period to minimize disruptions to our 3000 email customers. 

• • Improved system and user security by eliminating unencrypted/insecure protocols such as Telnet, FTP, and HTTP to encrypted/secure protocols like SSH, SCP/SFTP, and HTTPS. 

• • Converted a static, inconsistent web site to one that used a consistent design with dynamic content that could be maintained with the Mason-CM Content Management System. 

• • Adapted conferencing software for use on mobile devices 

 

 

Whole Earth 'Lectronic Link	Sausalito, CA
System Programmer	Jan 1994 – Mar 1999

 

Designed, developed, implemented, and maintained applications software for approximately 7500 users on Dynix and Solaris systems. Controlled system access by maintaining system logins and passwords, and monitored system for unusual activities.  Served as technical liaison between customer support staff and system administrators, answering questions and providing assistance when possible. Special projects and events included:

 

• • Designed, developed and maintained customer registration and billing data application 

• • Ported applications software between from Dynix to Solaris. 

• • Worked with the FBI preparatory to the arrest, trial, and conviction of an infamous hacker. 

 

 

Whole Earth 'Lectronic Link	Sausalito, CA
Contractor	Dec 1991 – Jan 1994

 

Performed various customer support and programming tasks as required.  Wrote the customer user manual.  Answered customer support emails and forum-based questions. Hosted the “Wellcome” forum for welcoming new customers to the system. Developed small utility programs for both customer support staff and customer use.

 

 

Martin-Marietta Data Systems	San Antonio/Kelly AFB, TX
MVS Systems Programmer	Jun 1988 – Sep 1991

 

Maintained multiple MVS virtual machines on a high priority military intelligence system. Performed database administration for multiple Model 204 database instances. Controlled system access and security for both the OS and database software. Applied system and software patches. Monitored performance.

 

technical skills

	ADVANCED	INTERMEDIATE	WORKING KNOWLEDGE
	CentOS (Redhat) Fedora Core Solaris Mac OS X Sendmail/Procmail Perl Regular expressions Bash/Ksh scripting Apache Server Amazon EC2/EBS Zimbra Squirrelmail Rsync/Rsnapshot Unix Services Mason/Mason-CM HTML/CGI/CSS C Picospan Engaged Discussions Web Crossing	C++ with STL PostgreSQL/MySQL Nagios NFS REST Javascript Sun Pkgadd/Pkgrm Sun Patch Manager Amazon CloudWatch Windows XP VMWare Parallels Desktop Adobe Photoshop RSS Apple Xserve RAID PHP TCP/IP Dynix	Postfix FreeBSD NetApp Ruby Python Oracle DNS/BIND Windows 7 Csh/Tcsh XML AJAX MVS TSO/ISPF PL/1 JCL Model 204

 

education

• • US Air Force Non-Commissioned Officers Academy 

• • The College of Insurance, New York, NY (Actuarial Science) 

 

 

 

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