Michael Seann Herdejurgen

UNIX Systems Architect

4710 Holister Court
Colorado Springs, CO 80919
719-266-8283
seann@herdejurgen.com


PROFESSIONAL SUMMARY

Highly skilled technical professional with more than 14 years experience in Information Technology. Excellent interpersonal and troubleshooting skills. Provides strong leadership, works well in a team environment and communicates well with customers and management.

SKILLS SUMMARY

Solaris
Linux
Windows XP
Windows 2003 Server
Hitachi ShadowImage
EMC SRDF
ONTap (NetApp)
Microsoft Office

VERITAS software
Storage Foundation
Cluster Server
Cluster File System
Volume Manager
Oracle Cluster Agent
DB2 Cluster Agent
SAP Cluster Agent

Jumpstart
Kickstart
JavaScript
DHTML
CGI
C
Shell scripts
Perl, sh, ksh, csh

Sendmail
DNS, NIS
Apache
NFS, Samba
iptables
rsync
SSH
VPN

PROFESSIONAL EXPERIENCE

Electronic Data Systems

Senior Systems Analyst

June 2004 - present

Primarily responsible for the care and feeding of VCS and Cluster File System clusters in production and test environments. Managed applications include Oracle, Shareplex, DB2, MQ Series, Weblogic and WebSphere. Performed troubleshooting and root cause analysis of cluster issues with vendor, including one case which resulted in upgrading Storage Foundation Cluster File System software on all cluster systems. Upgraded VERITAS Storage Foundation software from 3.5 to 4.1 to 5.0 on over 250 servers. Implemented strong security practices on Solaris servers to protect financial applications. Developed custom Jumpstart framework used to rebuild over 300 systems in a secure fashion. Worked as liason between operations and project management team on multiple projects to integrate and deploy new servers. Performed host-based data migration with zero downtime using VERITAS Foundation Suite. (EMC Symmetrix 8530's to DMX 3000 / 2000) Developed custom scripts for SRDF / Storage Foundation integration for disaster recovery of financial application data.

d-tech corporation

Senior Systems Engineer

April 2002 - March 2004

d-tech enables companies to improve their data and application availability. Responsible for pre/post sales support of clients and for internal company infrastructure. d-tech projects included replacing company infrastructure with a Linux HA solution, including firewall, VPN, e-mail (anti-spam), DNS, web services, and Cisco/Foundry router configuration. Client projects included design and implementation of multiple VCS clusters to support SAP, PeopleSoft and Oracle environments. Designed ShadowImage implementations for zero downtime Oracle backups and environment refreshes. Participated in development of Linux appliance for high availability, disaster recovery and backups for SMB market.

Acxiom

KnowledgeBase Marketing

Raytheon Systems Company

The Dallas Morning News

Verizon


Collective Technologies

Senior Consultant

March 1999 - April 2002

Senior Consultant responsible for client's infrastructure computing systems, architecting and recommending solutions, deployment and support of infrastructure systems, documenting solutions and mentoring client system administrators. As a member of Collective, responsible for interviewing potential members, mentoring other members and sharing information using internal knowledge database.

Texas Instruments Education & Productivity Solutions

Hotwire.com

Disney Internet Group / infoseek.com

Genuity

Alcatel / Motorola

Dow Jones & Company

Associates First Capital Corporation


Raytheon Systems Company / Texas Instruments

Senior Computer Systems Analyst

June 1993 - March 1999

Team leader for a 7-9 person team of system administrators responsible for providing computer support for a large defense contractor in a diverse multi-vendor environment using client-server technology. Supported systems include: Sun, SGI, NetApp, NCD, DEC Alpha, and Solbourne. Responsibilities include architecting a robust UNIX environment across these systems, performance tuning, NIS/DNS configuration and OS upgrades.

Defense Systems & Electronics Group, IT Computer Services

EDUCATION

Texas A&M University

M.S. in Computer Science, August 1993
B.S. in Computer Science, minor in Electrical Engineering, May 1991

AWARDS

  • 1998 Raytheon Lewisville Site Quality Award for Excellence in Leadership
  • OTHER CREDENTIALS

  • VERITAS Certified Professional (HA track)
  • Solaris Certified System Administrator
  • DoD Secret Security Clearance
  • Association for Computing Machinery, professional member
  • PUBLICATIONS

    Linux Server Hacks by Rob Flickenger

    January 2003

    Hack #47, "iptables Tips & Tricks"
    Hack #62, "Disk Age Analysis"

    SysAdmin Magazine

    January 2002

    "Redundant Internet Connections Using Linux"

    PROJECTS

  • JSviewer - A dynamic HTML image viewer written in JavaScript.
  • ACTIVITIES

  • Former Junior Achievement Volunteer
  • Association for Computing Machinery, President, Texas A&M Student Chapter 1992-1993
  • Last update: Friday, 18-Apr-2008 07:48:01 MDT