Lee Krska
Chandler, AZ 85286
May 13, 2013 – Present
Aon-Hewitt (K-Force Staffing) Lincolnshire, IL
Systems Engineer (Contract Position)
• Primarily project-based work in Aon's Lincolnshire data centers. Planned and
implemented under change management the move of approximately 110 Servers with
external partners onto 6500 chassis and cleaned up dead connections. Installed 10 gig
connections across campus between access and distribution switches. Completed all
documentation related to server and switch relocation including project list of tasks,
configuration changes and diagrams of before and after network changes.
• Mapped out and created before and after network diagrams in Visio for Aon-Hewitt remote
sites undergoing network integration and circuit upgrades.
• Currently in the planning stages of migrating servers on 6500 chassis with end of life
hardware to Cisco Nexus 7Ks.
• Currently working with Extranet group and their partners to bring up circuits and replace
old hardware.
November 2012 – April 13, 2013
AT&T (Epitec Staffing), Hayward, CA
Network Architect (Contract Position)
• Design, document and implement network designs of servers, routers and switches in a
data center consisting of about 9700 devices.
• Analyze infrastructure requirements to produce solutions and cost estimates that meet
business needs. Install and configure Cisco routers and switches.
October 2002 – October 2012
Cisco Systems, San Jose, CA
Systems Administrator
• Provided network support for labs within engineering for approximately 3,000 people and
an estimated 70,000 ports.
• Member of a team of five people supporting multiple, dynamic engineering R & D lab
environments developing Cisco’s next-generation networking technologies.
• Provided desktop support for engineer test-bed PC's and Windows, Unix/Linux
workstations, Apple, and VMWare as well as intensive troubleshooting and design of
network infrastructure of routers and switches.
• Knowledgeable in use of Alteris. Completely re-architected all labs using the Cisco
standard (Core, distribution an/d access switches). We primarily used CatOS and IOS
with EIGRP as the routing protocol.
• Initiated planning for lab network maintenance updates and upgrades ensuring no
interruption of system operation during project team moves.
• Ordered, configured and installed equipment. Repaired, reconfigured and installed
workstations and servers for testbeds and infrastructure.
• Assumed leadership role during the coordination of network/system duties during lab
moves to new buildings, network upgrades and integration of internal groups and
acquisitions. Tasks included system configuration, systems troubleshooting and design,
high level problem analysis and tool design.
• Provided guidance for processes and procedures across environment. Responsibilities
included ownership of multiple systems and network infrastructures. Ensured systems
were managed per established service level agreements and team standards. Thorough
understanding of a wide range of Cisco product platforms, IOS versions and
CatOS.TCP/IP, subnetting, routing protocols, Ethernet, Fast Ethernet, Gigabit Ethernet
media.
• Thorough understanding of VLAN’s, VTP, Spanning Tree Protocol. Implemented and
monitored network security; debugging and troubleshooting routers and switches.
Thoroughly documented network layout using Visio.
STS international/Cisco Systems Contract Position, San Jose, CA
Network Administrator
Contract position at Cisco which included updating IOS and CatOS software and hardware on
existing infrastructure of the production network and a complete fleet upgrade. Worked in data
center under change management to replace Cisco hardware and software. Assisted server
engineers with layer 1, 2, and 3 connectivity. Helped to design and implement wireless
technologies throughout Cisco. Assisted users with wireless issues.
September 1995 – 2002
Duchossois Industries, Elmhurst, IL
Wan Specialist
Included break fix of computers and upgrading systems. Documented network and did a complete
upgrade from Token Ring to Ethernet. Installed and upgraded network equipment for a frame
relay network spanning the US as well as Germany. Interacted with both Sprint and AT&T to
resolve issues. Troubleshooted end-user work stations including CAD workstations.
Education
Columbia College Chicago 1990
Bachelor of Arts, Liberal Education
Multiple legacy CCNA certifications and though expired, actively pursuing current certification and
will obtain in very near future.
References Available Upon Request