Objective:
|
Systems design, analysis, and
optimization using simulation and rapid prototyping. |
Proficient:
|
Computing: UNIX (clusters, Linux, SUN, SGI), OpenStack,
AWS, VMware
Languages: Python, Ruby, PERL, Bash, Java, C/C++,
Matlab, SQL, XML/XSLT, Office macros, SCM: Git, Hg,
Perforce
Analysis & Visualization: UML, FEA, 3D rendering
& animation, graphics manipulation/scripting
Technologies: open source, HW/network/OS/application
health monitoring & tuning, LAMP/Tomcat, NGINX, Varnish,
F5 BigIP, Elastic Stack, Couchbase, ADC/DAC interfaces
|
| Experience: |
Senior Engineer, Systems Architecture, T-Mobile, Bellevue WA
|
May 2018-pres.
|
- Tech Experience Center facilitator and tech lead for
technology outreach program for industry, academic,
government, and society. Guide technology tours showcasing
new 5G capabilities and how they enable disruptive
innovation through a variety of use cases developed through
T-Mobile's collaborative partnerships.
- Educate and inspire T-Mobile internal employees and new
hires about 5G technologies. Help mentor rotating
facilitators to connect subject matter experts across the
company. Mentor student teams at UW GIX and develop STEM
project-based learning programs for K-12.
- DevOps infrastructure lead for enterprise DIGITS rich
communications service.
- Automate CI/CD of resilient conferencing platform across
multiple datacenters using Jenkins and Ansible on OpenStack,
monitored with Check_MK and secured Elastic Stack event log
aggregation.
|
| Senior DevOps Engineer, Global Eagle, Seattle WA |
2014-2018 |
- Automation for largest non-government provider of
satellite internet for maritime, terrestrial, and aviation
markets.
- Develop and maintain CI/CD pipeline for hybrid satellite
/ long-range wifi data centers at sea aboard cruise ships
and ferries using Stackato + Chef, migrated to Docker +
Ansible. ServerSpec TDD from Github/Gerrit, using Jenkins to
orchestrate test-kitchen Vagrant instances w/ linting in
RuboCop, Foodcritic.
- Upgrade and maintain Elasticsearch-Logstash-Kibana data
pipeline for realtime usage and billing reports. Fleet
monitoring and notification w/ Icinga2, Sensu, and
Serf. Automated baremetal shipboard cloud provisioning in
concert with AWS infrastructure. Prototyped high
availability architecture using HAProxy and Keepalived with
libvirt-kvm.
|
| Senior Systems Engineer, The Walt Disney Company, Seattle WA |
2012-2014 |
- Oncall support for Walt Disney Parks and Resorts Online
– the highest volume travel website worldwide
processing millions of dollars' worth of transactions
daily.
- Work with geographically distributed teams using ITIL
practices to set up and maintain Dev, QA, LT, and Prod
environments through lifecycle of hundreds of sites while
maintaining PCI DSS compliance.
- Automation of operations with Bamboo CI pipeline,
Rundeck, and migration to Chef-based deployments. SME for
Couchbase NoSQL DB. Disaster Recovery datacenter
migration.
|
| Software Development Engineer, Microsoft (via Volt),
Redmond WA |
2012 |
- As aerodynamicist for Flight, created flight dynamics
models and tuning procedures for a variety of simulated
aircraft. Development, test, and release C++ and Lua on a
tight monthly schedule.
- Integrated DATCOM into aircraft flight dynamics modeling
pipeline. Improved propeller fidelity with solver based on
Goldstein vortex theory.
|
| Systems Engineer, SAIC, Naval Surface Warfare Center, Carderock MD |
2009-2012 |
- Developed, deployed, and supported 100+ node clusters
for submarine sonar system training simulators used at naval
bases across the USA. Provided documentation and training
to enable aggressive crew training schedules in DISA COMSEC
environments.
- Engineered high-performance network and SAN for 20-node
rendering cluster periscope and immersive dome projection.
Rapid deployment using Cobbler and Perceus.
- Developed and deployed remote touchscreen interface
instructor consoles with interactive system health
monitoring.
|
| Systems Architect, The Boeing Company - Integrated
Defense Systems, Arlington VA |
2004-2009 |
- Advanced Modeling and Simulation tech demo showcase for
joint Command & Control exercises in civil, defense, and
international applications.
- Systems architect for sophisticated multi-site
interactive theaters. Designed and deployed flexible
network and fiber switching infrastructure to deliver
operator consoles and content for multiple events at
classification levels up to TS/SCI, including several
remotely-operated field offices.
- Test & evaluation of new components deployed across
enterprise for optimal compression and network
settings. Establish training criteria, knowledge base, and
community of practice, presented at BTEC16 (Boeing Technical
Excellence Conference).
- Event automation with Vista Systems Spyder and
ThinkLogical fiber KVM switching. Deployed core services
for each network: DHCP+DNS, RAID file repository, Nagios
monitoring. Remastered LiveCDs for maintenance and imaging.
Implement custom event orchestration scripts, including
"VNCequencer" which coordinated and labeled multi-screen
remote displays, record/playback, and traffic shaping to fit
bandwidth constraints. Implemented PC AV capture, real-time
multicast, record/playback with VLC.
|
| Systems Engineer, The Boeing Company - Air Traffic
Management, McLean VA |
2001-2004 |
- Director of high profile R&D lab shared by
engineering and demo teams supporting GCNSS (Global
Communication, Navigation, and Surveillance System) contract
for FAA. Showcase satellite networking capabilities of
Connexion by Boeing aircraft, depicting live trajectory in
FlightViz, passenger cabin video surveillance, and messaging
with federal air marshals.
- Worked with IT teams to connect lab to airline ETMS
(Enhanced Traffic Management System) network. Deployed
datafeed logging, archive, and proxy service for ASDI
(Aircraft Situation Display to Industry) and displayed via
AADS (Aircraft Activity Display System). Analyzed BTS
(Bureau of Transportation Statistics) data using PERL and
Octave. Created Java web frontend to FAA Advisories
DB.
- Developed UML-C++ discrete event simulation IDE
supporting 20 developers on SUN 24-node HPC simulation
clusters. Contributed unit conversion & constants
library, coordinate transformations, XML data log schema,
and XSLT export filters for analysis and visualization in
TAAM (Total Airspace and Airport Modeler). Provided rsync
between East and West clusters and CM procedures for
Clearcase. Dramatically improved remote access using VNC
(Virtual Network Computing) and Cygwin's XFree86 to support
OpenGL 3D rendering.
|
| Product Development Engineer, PATMOS Int'l Corp., Ocean
City MD |
2000 |
- Design & prototype supercomputing blade clusters
with drbd RAID, MOSIX process-migration, PVM/MPI, in a
unique recursive network topology
|
| UN DevBusiness.com Webmaster, World Bank, Washington
DC |
1999-2001 |
- Upgraded ColdFusion frontend and database backend to
streamline schema.
- Worked closely with management to improve & update
site serving 2,000+ clients.
|
| Undergraduate Research, Cornell University,
Ithaca NY |
1996-1999 |
- Studied granular flow properties in microgravity for ISS
experiment.
- Refined & automated stroboscopic image processing
with PERL and Gimp-Script.
|
| Cornell R/C Aircraft Team |
1999 |
- Post-processing of inflight video to correlate attitude
with multiple GPS data.
|
| Cornell Rigid Airfoil Team, catamaran wingsail
watercraft |
1996-1997 |
- Performed CFD (computational fluid dynamics) analysis of
multi-element cambered airfoil, constructed 1/6 scale
articulating model.
- Preparation and test sail of previous adjustable-camber
carbon-fiber wingsail vessel on Cayuga lake.
|
| Homebuilt aircraft |
1994-1996 |
- Machined and assembled wing for the Quail, a
single-seat aluminum airplane
- Built R/C glider and gas powered models. Successfully
landed maiden flight after practicing on PC sim.
|
Training:
|
Certified Jenkins Engineer, Kryterion, Redmond WA |
2017
|
| Certified Scrum Master, Valtech, Seattle WA |
2013 |
| RHCE / RHCSA 300, RedHat, Tysons Corner VA |
2011
|
| Engineer-in-Training, DLLR, Baltimore MD |
2009
|
-
Fundamentals of Engineering Examination
|
Education:
|
University of Maryland Global Campus, Shady Grove, MD |
2024 |
- Doctor of Business Administration
- Evidence-based scientific management program
|
| University of Maryland, College Park, MD |
May
2007 |
- M.S. Systems Engineering, conc. in wireless networks
- Thesis: Arcology Optimization and Simulation Framework
- Optimal routing of recursively scaleable transit
networks using SimPy and LP_Solve.
|
| Cornell University, Ithaca, NY |
May
2001 |
- B.S. Mechanical & Aerospace Engineering
|
| Eleanor Roosevelt HS, Greenbelt, MD |
June
1996 |
- Science & Technology Magnet Program
|
| Activities: |
Oom Yung Doe : 2nd degree black belt, Instructor; 1 gold, 8 silver medals in state tournaments |
2016,2017 |
| Tae Kwon Do : 3rd degree black belt,
instructor |
1992-2012 |
| Paper aircraft : website, distance award in 2008 New
Millennium Paper Airplane Contest |
1998-pres. |
| Cornell Student Linux User's Group, ASME :
webmaster |
1996-1999 |