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Timothy
D. O'Brien
HP
Certified Consultant
obrien@wideopenwest.com
last modified: 09/13/02
Objective
To exercise and expand my skills
in system and network security with a focus on intrusion detection.
Experience
Hewlett-Packard Company – Columbus, Ohio
Account Support Engineer (Proactive
support for mission-critical accounts) 5/2001 to present
·
Provide proactive support
services (patch analyses, business consulting, disaster recovery planning,
etc.) for many accounts in Central Ohio and West Virginia.
·
Coordinate various methods of
hardware and software support for external customers.
·
Deliver Security Assessments
to HP customers consisting of reviews of physical and system security, policy
completeness, and adherence to industry best practices.
·
Perform liaison functions
between customers and miscellaneous internal HP departments.
·
Provide escalation support
during resolution of difficult technical problems.
DIS Research Ltd. - Columbus, Ohio
Technical Services Delivery Consultant
located at Qwest Communications 5/2000 to present
·
Provided UNIX expertise for
internal customer projects (new installs, migrations, others).
·
Implemented SSH and custom
scripts for secure database copies through firewall.
·
Performed liaison duties
between Technical Services department and Change Management department.
·
Assisted junior
administrators with scripting and other operating system concepts.
IBM Global Services - Columbus, Ohio
Tools, Process, and Security Technical
Lead 6/99 to 5/2000
·
Interfaced with IBM and Bank
One security personnel in the development of common standards and practices.
·
Researched tools and
methodologies for centralized security and configuration management.
·
Worked with a
multi-locational group to create a procedures manual governing my team's
execution of recognized system management disciplines including: Problem
Management, Change Management, Performance Management, Capacity Planning, and
Service Level Management.
Bank One (hired) - IBM Global Services (outsourced in 9/98)
- Columbus, Ohio
UNIX System Administrator 2/97 to 6/99
(promoted to Technical Lead)
·
Supported high visibility
credit and loan application servers.
· 13 HP-UX servers (mostly K580s), up to 6,500 concurrent users
· 2 EMC disk arrays.
· 3 fax servers (32 lines each) averaging 90,000 faxes per week.
·
Supported application
reporting on performance of financial instruments to executive Bank management.
· NCR 3600 running MP-RAS and Teradata
· Tight availability constraints.
·
Overhauled a failing faxing
environment by proposing and implementing newer, more efficient fax servers.
· Increased fax performance (% faxed in < five minutes) from 60%
to greater than 97% (against a service level of 95%).
· Automated the reporting of fax volumes and trends.
·
Created automatic load
balancing scripts.
·
Installed and patched HP-UX
10.20 and 11.0 on K580 and T520 servers.
·
Configured UNIX kernel for
large number of concurrent users (over 1,200).
·
Worked with database
developers to configure kernel for performance.
·
Installed and configured
Network Node Manager and IT/Operations.
·
Worked with LVM to manage
disk space on HP machines.
·
Documented procedures for
disaster recovery exercises.
·
Participated in disaster
recovery exercises (recovery of database, communication, and fax servers at a
remote site).
·
Trained junior System
Administrators in scripting and file system, security, process, printing, etc.
concepts.
·
Interfaced with database
developers and "line of business" managers to work out problems and
mature the application.
Software One, Inc. - Columbus, Ohio
System Analyst, Consultant,
Administrator 4/94 to 2/97
·
Taught “Introduction to UNIX”
class for new employees and customers.
·
Defined, quoted and coded
custom programming projects.
·
Trained client operators in
system procedures.
·
Installed, tuned, and
administrated client and internal UNIX systems.
·
Configured and regenerated
UNIX system kernel for performance.
·
Wrote shell scripts to
automate system and database tasks.
·
Diagnosed, repaired, and
performed hardware troubleshooting.
·
Specified multiple client
backup strategies.
·
Proposed offsite storage
plans.
·
Provided disaster recovery
services.
·
Modified, installed, and
supported several accounting packages.
·
Designed, wrote, and
implemented database conversion utilities.
·
Served client base of 650+
companies.
Offis Corporation - Wallingford, Connecticut
System Analyst, Consultant, Administrator
11/90 to 4/94
·
Performed software
development on NCR, SCO, Novell and PC platforms.
·
Modified, installed, and
supported several accounting packages.
·
Defined and coded custom
programming projects.
·
Trained clients in system
management principles.
·
End-user support of DOS,
UNIX, WordPerfect, FoxBASE, Windows, etc.
Education
Certifications
·
HP OpenView - Network Node
Manager Certified Consultant
Continuing Education
Security
·
SANS2000 - Intrusion
Detection Immersion Curriculum
Linux
·
Advanced Linux Administration
HP-UX
·
HP MC/ServiceGuard
·
HP OpenView - IT/Operations
for System Administrators
·
HP OpenView - Network Node
Manager for UNIX Administrators
·
HP-UX Network Administration
·
Hands-On With Logical Volume
Manager and MirrorDisk/UX
·
HP-UX 10.x System
Administration for HP9000 Systems
NCR
·
NCR Large Systems
Architecture
·
NCR 5100 Administration
Workstation
·
SVR4 MP-RAS System
Administration Concepts
Misc.
·
General interest in and study
of Linux with a concentration in security tools and firewalls.
·
SCO UNIX System
Administration
·
RM COBOL Language and
Development Tools
Pensacola Christian College
Bachelor of Science, Computer Science,
1990 - focus in COBOL, FORTRAN, Assembler, logic
·
Minors: Psychology and Bible,
concentration in oral and written communication
·
President of Zeta Chi Delta
men's collegian - 1989
·
Two-year Academic Scholarship
for outstanding ACT scores
Skills related to position sought:
· Scored well on final testing after SANS 2000 Intrusion Detection Curriculum
· Familiar with Linux based firewalls, vulnerability scanners, hardening techniques
· HP-IPSec / HP-IPFilter / HP-IDS9000
· HP-UX 10.x, 11.0, 11i / NCR MP-RAS UNIX (SVR4) / Sun Interactive UNIX 4.2
· AT&T UNIX / Windows (NT4.0,'95,'98,2K) / SCO UNIX/XENIX / Novell (3.x,4.x)
· ssh v1 & v2 / awk / sed / vi / C based languages / csh / ksh / tcsh / bash
· TCP/IP / SNA / XCOM / hubs, routers