Douglas R. Probst
Home (610)789-4395
Doug@catseye.pha.pa.us www.ece.vill.edu/~doug
I am an IBM AIX System Administrator / Database
Administrator / Software Developer with a significant experience in systems,
development, and management in a production environment. I have extensive experience building “Highly
Available and Highly Reliable”
Expert on:
pSeries including p690/p670/650/630 LPAR capable,
RS6000 PCI and MC hardware, AIX 3.2.5, 4.2.1, 4.3.3, 5.1, LPAR, HMC, SMS, LVM,
JFS, JFS2, NIM, SMIT, VG/LV Mirroring, I/O performance, vmstat,
iostat, AIX system Cloning and Migration, Disaster
Recovery, Perl and Shell Scripting, Async/Printer Communication, Informix Database products
including DS 7.x , Online 5.10, SE, R4GL, I4GL, ISQL
and DBACCESS.
Experienced with: SCO Unix, Altos XENIX, Linux, Window 95/98/ME/NT, Redhat Linux, Solaris 2.5-2.8, Veritas Volume Manager, Veritas Filesystem, System V packaging,IBM HACMP,Sed, Awk, HTML Expect/Tclsh, Make, VI, SSA, RAID, TCP/IP, TCP Wrappers, NTP, PGP, Syslog, Security, Performance monitoring and tuning, EMC Volume Logic’s, EMC PowerPath, EMC SRDF, Valicert Secure Transport FTP, SSH, Secure CRT, Procedure documentation and implementation, Logmon, Faxfx, CLEO 3780 Plus, SmartTerm, Customer Service and Support.
Special
Training:
AIX 4.3.3 Advanced System Administration
AIX V4.3 System Support Certification exam 189
IBM AIX version 4.1 System Administration
Informix Dynamic Server System Administration
Employment:
Consultant for Technical Service Group - Current contract
with
Safelite Glass Company
Consulting duties include:
AIX system engineering and build/configurations, Hardware recommendations, Software evaluation, Software upgrades, Enterprise Standards planning, Creation of monitoring scripts, Creation of NIM Server, Setting and deploying security standards, assisting with DR planning and testing, as well as day to day server support. Currently we are performing a mass install/configuration of new hardware, including pSeries 690s, 670s, 650s and 630s configured in LPAR mode.
Consultant
for SAPPHIRE Technologies contracted with
Verizon Communications
Consulting
duties include:
IBM AIX system engineering, and configuration of enterprise class 7x24 mission critical servers. Involved with configuration and hardware standards development for corporate wide utilization, across multiple platforms. Evaluating switched fiber connectivity and boot capability in the AIX environment. Performed preliminary evaluation of AIX 5L’s new features. Lead Engineer on the P690 Regatta project, which includes configuration of 4 P690s in LPAR mode running AIX5.1. Development of Shell and Perl utilities for proactive monitoring, alternate boot drive backup, and management of SSH user accounts and keys. Provided System V packaging of some third-party software for deployment in the AIX environment. Third level support for AIX problems and outages. Occasionally install and configure Solaris OS and Veritas software, on SUN hardware, in accordance with current Verizon standards. Attend “Engineering Design Review” meetings to determine necessary hardware requirements for new applications. Assist other groups with AIX related questions and problems. Worked with EMC’s Professional Services Engineers in the development of a DR solution for a major applications, utilizing EMC’s Time FinderÓ and SRDFÓ technologies.
ATI
Systems (Formerly Brooks Data Service)
November, 1995 to
July 2000
AIX System
Administration Duties include:
Support of 65+ IBM RS6000s, Hardware setup and configuration, AIX OS installation/Migration/Cloning, PTF installation and management, Disk subsystem configuration, Filesystem and logical volume planing and configuration, Performance monitoring, I/O tuning, User and printer management, Inittab and Cron management, Network maintenance, Async and Serial communication configuration, System backup and restore, Daily security checks, Third party software installation and upgrades, scheduled system health checks, Perl and shell scripting, S.A. procedure documentation, New system planing, Customer support, System related problem determination and resolution.
Informix Database
Administration Duties include:
Informix software installation, Instance initialization, Dbspace sizing and creation, Logical and Physical log planing and creation, Database sizing and creation, Extent monitoring, performance monitoring and tuning. Disaster recovery, I/O tuning using LVM, Script creation for data manipulation and automated maintenance, Informix software upgrades, Index rebuilds and table reorganization, Creation of Perl front ends for Informix tools as well as database problem determinations and resolution.
Programming Duties
include:
Creation of Shell and Perl utilities to provide front ends for OS / Database commands, as well as, text processing, data scrubbing, and problem solving. Host based Informix 4GL database application development and maintenance. The Money Manager II ©, consists of individually customized vault management systems for large financial institutions, written in Informix 4GL.
Credit Lenders
Service Agency Inc.,
March, 1995 to November, 1995
Programmer/System
Administrator:
Worked with remote clients and in-house personnel to provide system support of three independent database systems. Maintenance and enhancements for systems were done using Informix-4GL, Informix-SQL, Informer 3.3 and Shell. Extensive interactive Shell programming was required to enhance limited function Informer software on the old Altos systems. Also was responsible for user administration, printer administration and repair, backup procedures, filesystem maintenance, hardware upgrades, etc