Experience
Disney Technical Solutions and Serviices (10/14–01/15)
Sr. System Engineer - F5 SME (Contract)
● Short term contract. AWS/IaaS Chef script creation and execution for
mass updating of Centos or Redhat Enterprise Linux and Windows servers in the
cloud for Disney's Messaging Services servers (SMS/EMail/Push servers) for
Disney and real time sports updates for ESPN and ABC. Scripted and assited in
implementation of extremely large scale F5 LB WIP/iRule migration . Assisted
in creating, deploying and executing Chef scripts to update fundamental
Messaging push, SMS, email campaign servers in Disney's clouds (AWS, IaaS
etc)
F5 Networks (11/13–10/14)
Lead Sr. System Engineer – EPC Integrattion
● Developed virtualized environment for marketing demos and test harness
creation. Placed BigIP's in a virtualized EPC environment. Worked at a development
level with OpenEPC, KVM, Proxmox and in-house virtualization orchestration.
Architected Solutions for Telecom Service Provider demonstrations. (GTP- load
balancing and DNS SNAPTR load balancing, etc.)
AT&T (7/12–11/13)
Senior Network Design Engineer/Sr. LTE Traffic
Engineer (Contract)
● Sr. Design Eng. responsible for HA infrastructure design.
PCRF/DPI/OCS/DNS etc. Creation of Implementation Guides, Engineering Design
Plans, IWOS, MOPs etc. Senior LTE engineer responsible for upgrades/operations
and maintenance of very large scale Cisco/Openet PCRF/PCEF/OCG/CGS/PGW/SGW
system.
Cricket Communications Inc. (9/11–6/12)
Sr. LTE Design/Traffic Engineer III (Contract)
● Senior Engineer (LTE-4g) responsible for architecture, engineering,
network design of CDMA/LTE Policy Charging Enforcement Function units that
were in-line to the subscriber data-path and enforce those rules on
subscriber flows.
● Extensive expertise in: Clustering designs, IP Mapping, SOAP XML,
Policy Language and Protocol/Subscriber usage collection and a comprehensive
understanding of the 3GPP EPC PCEF/PCRF/OCS architecture as it pertains to
very-large Scale CDMA/LTE wireless environments. Very advanced problem
resolution and root cause analysis. GTP-c GTP-u Diameter Call flow analysis
(S11 S1, S1-u, S1-MME, S5/8, S6a) Radius Call flow Analysis (A11/A12) and
PCEF to PCRF/OCS communications. Subscriber traffic analysis/ shaping/
policing and tethering detection.
● Extensive use of: FreeBSD, Linux, Perl and other scripting languages.
AT&T (7/11–9/11)
Bothell, WA
Senior Systems Engineer III (Contract)
● Provide 7x24 production support to accept, operate, and maintain SMS
messaging gateway elements including but not limited to firewalls, access
lists, routers, switches, IPS, servers associated with the network
infrastructure and external customers including but not limited to business,
large enterprise, public safety, federal, and military customers.
● Life Cycle management of a complex data network supporting a
multi-site Cisco UCCE call center deployment with secure integration to
client back-end applications – design and ongoing support
● Configure switches, routers and firewalls in multi-protocol networks
across all network layers
● Conduct network assessments and assist client with determining their
requirements for network performance, security, capacity and scalability.
● Conduct health checks and key performance indicator monitoring.
Troubleshoot end to end network and application connectivity.
● Conduct daily, weekly, and monthly proactive maintenance activities per
Change Management directives. Ensure that project deliverables and
expectations meet milestones, deadlines, and quality standards.
Clearwire Inc. (2009–2011)
Kirkland, WA
Senior Network Traffic/Policy Engineer (Sandvine
SME)
● Senior Deep Packet Inspection SME/Engineer (Sandvine) for Clearwire
Inc. responsible for architecture, engineering, design and maintaining a
network of 100+ deep packet inspection units that were in-line to the
subscriber data-path.
● Extensive expertise in: Policy Traffic Switch (PTS) Clustering
designs, IpUserMapping, NDS and SOAP XML and raw SQL Query creation and
execution. Policy Assembly Language and Protocol/Subscriber usage collection
and a comprehensive understanding of the Sandvine architecture as it pertains
to Very Large Scale ISP environments. Very advanced problem resolution and
root cause analysis. Packet traces of AAA call flows and other specific
targets, teeing and PTS to SPB communications, as well as subscriber traffic
analysis/shaping. Implemented network systems involving 1G, 10G and 30GB
switches. Configured switches and firewalls to provide security and
functionality.
● Extensive use of: FreeBSD, Solaris and Linux, Perl and other scripting
languages. Created and executed advanced maintenance operation procedures on
100s of systems in dozens of unique Autonomous Systems. Postgres/Oracle/MySQL
DB schema creation, optimization and maintenance.
Various Companies (2003–2009)
Bainbridge Island, WA
MIS Consultant
● Worked with several companies in Seattle, Kirkland and Kitsap/Poulsbo,
as a contract managerial consultant for IT/QA/Development team hiring
processes. My role was to direct and define the hiring requirements for
internal Network, IT, QA and Development teams, and then participated in the
technical interviewing and hiring process, to ensure candidates had the
proper technical skills to meet company needs.
DayCity Internet Services, Inc. (2002–2009)
Chief Engineer
Internap Network Services, Inc. (1999–2002)
Senior Lead Software Quality Assurance Engineer
Quintessent Communications, Inc.
(1998–1999)
Senior Lead Software Quality Assurance Engineer
Microsoft Corp -Core Networking - Windows Platform Dev. Team (1995-1997)
Software Dev Test Engineer Education
B.S., Computer Science, Oregon State University, Corvallis, OR.
Coursework, Oregon Polytechnic Institute.
Coursework, Humboldt State University.
Coursework, Oregon Institute of Technology.