Robert Larson is a Network and Security Architect with over 20 years of experience in network security engineering, architecture, and administration. He has worked for companies such as General DataTech, Computer Solutions, and Rackspace Hosting, where he has administered firewalls, load balancers, and other network security appliances. He holds several industry certifications including CCSP, CCNA, CCNA-Security, and JNCIA, and has a background in the United States Air Force as well.

1. Robert Larson
10006 Arabian Bend
San Antonio, Texas 78254
(210) 488-2161
robert.t.larson@gmail.com
Profile
Confident, competent, and well organized Network and Security Architect with considerable and diverse
experience augmented by specialized, industry-related training. Solid history of delivering outstanding
customer service. Proven ability to build and create unique network environments ulitizing a wide range of
industry respected product. Creative problem solver with an ability to move beyond limiting questions and to
nurture ideas through each of the four phases of creative problem solving.
Professional Experience
General datatech - San Antonio, Texas (2010- Current)
Network Security Engineer II ( Dec 2010- Current)
•Administer and troubleshoot Ironport Appliance WSA, Cisco ACE/CSS/CSM/GSS, load-balancers F5/A10 and
Cisco MDS
•Administer, deploy and troubleshoot Cisco Pix/ASA and Juniper firewalls
•Consult on various designs with Enterprise companies ranging from firewall installation, to security practice,
to load-balancing application in different modes to vpn methods.
•Currently pursing the CCIE Security Written
Computer Solutions - San Antonio, Texas (2010)
Network Security Engineer II ( July 2010- Dec 2010)
•Consult on various Network designs with Enterprise companies.
•Administer and trouble shoot Cisco firewalls, Cisco load balancers (CSS/CSM/ACE/GSS), F5 (ltm/gtm),
Coyote point, Cisco Guard, Citrix Netscalers, Solarwinds Orion NPM and all brands of vpn gateways.
•Administer and trouble shoot the host-base intrusion prevention application, Cisco Security Agent.
•Providing classes on how to setup the F5, indepth knowlege of the hardware of the F5 (switching module,
TMM,HMS) and how to trouble shoot application issues thru the F5 using tcpdumps and fiddler.
•Identify a flaw in a Juniper router configuration that resulted in stabilizing 2300 vpn tunnels to Cisco 871
routers and various other vender devices.
Rackspace Managed Hosting - San Antonio, Texas (2000 - 2010)
Network Security Architect III (2007 – 2010)

2. •Worked in conjunction with Sales and Technical teams to develop custom solutions for implementation
issues.
•Responsible for management and training of one off design networks
•Administer and troubleshoot Cisco PIX/ASA firewalls, Cisco CSS, Cisco ACE, F5, Coyote Point, and Redhill
load-balancers, Cisco GSS, Cisco Guard, and all brands of vpn gateways
•Analyzed impact of new code releases of vendor hardware and software
•Was the primary escalation Architect for the Security Engineers to help supply root cause information to
customers.
•Trained multi-level staff on various network ddos attacks, system configurations, troubleshooting methods and
network design
•Evaluate and suggest product and service solutions in line with client needs and requirements.
•Developed and implemented the first Rackspace DR solution Cisco GSS - Further productized into an official
offering as a result.
•Implemented the first RSA SecurID authentication manager at for a customer.
•Developed exceptional relationships with customers, co-workers, management and end users
Network Security Engineer (2003 - 2007)
•Administer, deploy and troubleshoot Cisco Pix/ASA and checkpoint firewalls
•Administer, deploy and troubleshoot Cisco CSS, Cisco ACE, Coyote Point and Red hill webmux load-
balancers
•Responsible for providing Network diagrams using Visio or Excel
•Responsible for field service support for over 5,000 firewalls and 3,000 load-balancers throughout multiple
data centers.
•Design and implement maintenance and migration plans for customers with only minutes of downtime to their
websites.
•Deep Packet analysis utilizing Wireshark, Http watch and Fiddler in order to help troubleshoot customer
environments
•Engineered and implemented complex multipoint and client VPN solutions for customers
•Monitor bandwidth and network activity by analyzing information provided by MRTG to ensure efficient and
effective network operations
•Quickly resolve all IP network issues to reduce waste and downtime while also ensuring client Service Level
Agreements
•Efficient knowledge of routing protocols rip, ripv2, eigrp and ospf
•Created and managed VLAN on switches
Dcops Engineer Rackspace Hosting (2002 - 2003)
•Responsible for analytical and engineering support in the datacenter for customer servers.
•Responded to and repaired down servers, including all OS's and network devices
•Provided root cause analysis of trouble issues
•Worked closely with Backbone and Network Security Engineers installing new switches and providing console
access to the various devices
•Provided base configurations to firewalls and load-balancer devices prior to deployment on DC floor
Linux Admin III Rackspace Hosting (2000 - 2002)
•Provided Fanatical customer service at all times

3. •Performed ticket queue monitoring, and prioritization
•Maintain customer DNS Zones including updates, performing migrations and troubleshooting
•Network fundamentals, including diagnostics with Unix tools
•Generated and managed SSL certificates using openssl
•General linux server management for customers including Sendmail, BIND, Apache, Tomcat, and other
various standard server packages
•Packet analysis utilizing Wireshark and other software
Home Access Specialist Citibank – San Antonio, Texas (1998 - 2000)
•Provide information on bank services, bank regulations and computer related services.
•Assisted in Third party support for the Quicken software and Checkfree check writing systems
•Maintained a high standard of Quality Care Service with all types of customers to include Direct Mail, E-Mail
and telephone.
•Received numerous complimentary calls from customers for excellence in service
United States Air Force - Air Transportation Specialist (1992 - 1996)
McGuire AFB New Jersey
•Performed security inspection checks on departing passenger and cargo
•Labeled and packaged cargo for shipments, producing manifest for both cargo and passenger materials
•Handled explosives and hazardous materials
•Maintained a 99% on-time record for aircraft departure rate for ramp services
•Designed the group emblem for operations Joint Endeavor, displayed on t-shirts and coins
•Verified and documented outbound cargo weights
•Recognized for spotting safety issues and taking appropriate actions, maintain high morale and camaraderie
among team member
•Received an Honorable Discharge with rank of E4 - Senior Airman
Industry Education & Certificates
•CCSP
•CCNA
•CCNA-Security
•CCNA-Wireless
•CCDA
•642-972 Data Center Application Services Design Specialist (2010)
•642-357 Data Center Storage Networking Design Specialist (2010)
•Juniper JNCIA-FWV
•Juniper JNCIA-SSLVPN
•Juniper JNCIA-AC
College Education
•60 credits towards a AFA - San Antonio College

4. Military Service Awards
•Air Force Achievement medal 1995
•Good Conduct Award 1995
•Humanitarian Service Award 1994, 1995
•Joint Meritorious Service Award 1994
•Outstanding Unit Award 1995