Haskell W. O’Brien III
900 Sycamore Lane
Columbia, MO 65203
obrienh@more.net
573-529-1077
Objective
Seeking a position that requires extensive IT skill and troubleshooting working cross-functionally throughout an organization focusing on network operations planning, architecture, and implementation. 
Experience
09/2001-Present	MOREnet – University of Missouri	Columbia, MO
Systems Administrator – Network Systems
Maintain and Develop WAN SNMP monitoring systems.  Perform network utilization report generation and statistical data analysis.
Update and maintain Great Plains Network MRTG data collection system.
Maintain, deploy and secure Linux, AIX and FreeBSD systems.
Deployed Looking-Glass for Core Routers.  Review and Recommend network management systems.  
Evaluate impact of security issues on network uptime, latency and performance.  Attend security team meetings.


07/2000-07/2001	SAVVIS Communications	Saint Louis, MO
Technical Staff - Network Engineering
Develop software including proprietary TDS C++ implementation, Sales Order Entry interface and network loss/latency measurement utilizing Perl, C/C++ and SQL.
Responsible for deploying, maintaining and securing Linux, Solaris and Windows servers.
Responsible for Opstats(SNMP) data presentation system.  Responsible for integration of multiple databases including SQL server and Sybase databases.
Network utilization report generation and statistical analysis.
Responsible for 24x7 On-Call operations/security issues.  
Management of Cisco Core routers.


10/1999-07/2000	SAVVIS Communications	Saint Louis, MO
Network Engineer - Technical Assistance Center
Troubleshooting and deployment of Core and Edge devices including Cisco routers, Ascent/Lucent ATM switches, and Netopia DSL routers.
Manage network services including DNS and NNTP.  
Responsible for assessment and handling of DOS attacks, SPAM complains, Network abuse. Security contact for FBI on network/customer security issues.  
Responsible for Core and edge router configuration including BGP and OSPF routing.  Coordination with upstream, downstream and peer networks. 
Mentoring, training and management of NCC staff.  
Responsible for 24x7 On-Call for operations issues.  3rd Tier Escalation for Client and Network Issues.  


04/1999-10/1999	SAVVIS Communications	Saint Louis, MO
Technical Operations Engineer  - Network Communications Center
Cisco Edge router configuration and troubleshooting.  
T-1 and DS-3 Testing and troubleshooting. 
1st Tier Client support and Network Troubleshooting.  
Responsible for 24x7 Call center operations.


07/1997-04/1999	MDX Software	Columbia, MO
Network and Systems Engineer
Implement web based customer software updates and network security measures.
On-Call for network/systems issues.
Update entire network infrastructure.  Implement broadband connectivity.
Maintain, deploy and secure Linux and Windows workstations and servers.
Architect and deploy network security infrastructure including Linux ipchains firewall, syslog server.
Perform network and system security audits.


07/1997-04/1999	University of Missouri	Columbia, MO
MSA-ECC Technical Director
Manage technical team for Missouri Students Association web server.  
Responsible for system security.
Evaluate and recommend software and hardware solutions.  
Manage students.Missouri.edu – 350+ users.  
Initiated conference attendance for team members as reward system.

Skills
WAN/LAN management (Frame Relay, ATM, POS, Ethernet, Wireless Ethernet)
Cisco Routers: 12000, 1000, 7513, 25xx, 26xx, Cisco LAN Switches
Lucent/Ascend/Cascade ATM/Frame Switches: 6000, 8000, 9000, 500, 550
HP Openview/Naviscore, Concorde Network Health, MRTG/RRDtool, custom SNMP data collection systems
Postgres, Sybase, SQL Database Servers
Windows, Linux/*nix/*bsd, Mac OS X system administration
Apache web server, SAMBA, NFS, BGP, SNMP, WEP, NAS, NTP, 
Languages: Perl, C, C++, HTML, CSS, PHP, SQL, 
Secure network design and implementation
Network security auditing(utilizing tools such as Nessus, Snort, NMAP, etc)
Firewall deployment, management(ipfw, ipchains, iptables, SHASTA)
Wireless network security(WEP, WAS)
Experience with large scale data collection
System and network troubleshooting
Project Management
On-site and Phone customer support
Interests
Mountain Biking, Whitewater Kayaking, Climbing, Hiking, Jeeps, Design and fabrication, Electronics, Ham Radio(KC0LAD), Digital Video, SCUBA Diving, Linux.