df10abe619dbec9da7d98cdc2f581e1f4225c7b5
[pwan.org.git] / content / pages / resume.rst
1 Jude Nagurney
2 #############
3
4 .. :date: 2018-09-20
5 .. :tags: resume
6 .. :category: resume
7 .. :author: Jude N
8 .. :status: hidden
9
10 | 1136 Forest Edge Drive
11 | Reston, Virginia, 20190
12 | Phone: (703) 829-0744
13 | jude.nagurney@gmail.com
14
15 =======
16 Summary
17 =======
18
19 | I'm a results-oriented software engineer with a strong focus on agile and devops processes.
20
21 =================
22 Technical Skills:
23 =================
24
25 - **Languages** : Python, C/C++, Ruby, Perl, Java, SQL, Bash, lua, Expect, Tcl/Tk, UML OCL, COBOL
26 - **Tools** : Puppet, Salt, Cobbler, Jenkins, emacs, vi, Jira, git, Gitlab, Docker, Mercurial, Subversion, Jira, SELinux
27 - **Frameworks** : Django, Angular, Pylons, Rails, SqlAlchemy
28 - **Operating Systems** : Linux (Ubuntu, Debian, RedHat, CentOS, Raspbian), Microsoft Windows, vxWorks, Solaris
29 - **Databases** : PostgresSQL, MySQL, Oracle
30 - **Standards Expertise** : SONET, SDH, TL1, LMP
31
32 ----
33
34 ===============
35 Work Experience
36 ===============
37
38 ------------------
39 Layer 2 Technology
40 ------------------
41 | **Reston Virginia**
42 | **October 2016 - Present**
43
44 -----------------
45 Software Engineer
46 -----------------
47
48 Developed and maintained Python-based software projects
49
50 - Developed SMS-based solutions using services such as Twilio, Plivo, Nexmo, and Vitelity.
51
52 - Wrote a Errbot plugin for reporting open merge requests that were waiting for peer reviews.
53
54 - Worked on porting projects to Raspbian to run on a Raspberry Pi 3 Model B.
55 This included rebuilding packages for the arm7 architecture.
56
57 - Developed and maintained Salt states and Puppet manifests for various projects.
58
59 - Developed and maintained Jenkins continuous integration jobs for various projects.
60 Also proactively tracked down the root causes of build failures when the jobs failed.
61
62 ---------------------
63 Applied Security Inc.
64 ---------------------
65 | **Reston Virginia**
66 | **March 2010 – October 2016**
67
68 .....................................
69 Software Engineer (Development Group)
70 .....................................
71 | **April 2016 - October 2016**
72
73 Wrote Python code for new projects and extended existing Python code bases
74
75 - Extended a project to dynamically allocate AWS hosts based on system usage.
76
77 - Wrote Python code for sending and receiving SMS messages through Plivo and Twilio
78
79 - Developed and maintained Puppet manifests for development projects
80
81 ..................................
82 Software Engineer (Security Group)
83 ..................................
84 | **March 2014 - April 2016**
85
86 Extended devops practices to cover security reviews
87
88 - Introduced an SELinux strict policy workflow allowing developers to do most of the work associated with setting up a policy.
89 Previously all policy work was done by a single engineer. Now policy work can be distributed across the development team.
90
91 - Continued supporting puppet infrastructure for both the dev and ops environments, especially with respect to security-related changes.
92
93 .....................................
94 Software Engineer (Engineering Group)
95 .....................................
96 | **March 2012 - March 2014**
97
98 Introduced 'infrastructure-as-code' to the ASI Engineering group.
99
100 - Introduced Puppet and Cobbler provisioning into the Engineering workflow, cutting down the time it took from them to bring up new data centers drastically, and increasing consistency across all data centers.
101
102 - Captured the state of the existing Engineering infrastructure in Puppet manifests
103
104 - Introduced git and rpm packaging to internal Engineering projects
105
106 - Liaison between development and operations, especially with respect helping development write code that wouldn't be denied against operation's SELinux policies.
107
108 ........................................
109 Software Engineer (Web Technology Group)
110 ........................................
111 | **March 2010 - March 2012**
112
113 Managed, developed and maintained the Web Technology infrastructure environment.
114
115 - Deployed Puppet across the WT infrastructure machine (DNS, Jenkins, Mercurial, Cobbler) as well as project-specific build server and test machines. Wrote scripts for monitoring the health of the puppet infrastructure.
116
117 - Designed the architecture for a custom internal cloud for quickly building stacks of test VMs based on Puppet, Cobbler, PDNS, and VMWare ESX, and deployed a majority of the components.
118
119 - Extended the number of Jenkins jobs to cover all WT projects, including building rpm/deb packages, publishing the packages to an internal repository, and then installing the packages from the rep to test machines.
120
121 - Wrote and maintained a script to verify Jenkins jobs were configured consistently across WT.
122
123 - Maintained the WT DNS zones and monitored the accuracy of the DNS records over time.
124
125 - Tuned the WT VMWare ESX servers and performed troubleshooting on slow VMs.
126
127 - Developed and maintained the packaging code of WT project
128
129 - Wrote and maintained RPM spec files for CentOS-based projects and Debian build directories for Ubuntu-based projects.
130
131 - Wrote and maintained /etc/init.d/ scripts for many WT projects.
132
133 - Maintained yum and apt package repositories
134
135 - Designed, developed and maintained a shared report building tool.
136
137 - Designed and implemented a Django application for creating ad-hoc reports.
138
139 - Designed and implemented Django and Pylons clients for the reporting tool.
140
141 ----
142
143 -------------
144 NeuStar, Inc.
145 -------------
146 | **Sterling, Virginia**
147 | **March 2009 – February 2010**
148
149 .........................................
150 Software Engineer III (UltraDNS Services)
151 .........................................
152
153 Maintained the UltraDNS XML API and AXFR services.
154
155 - Designed, implemented and deployed a system for maintaining secondary zone TSIG keys
156
157 - Extended and maintained the UltraDNS Python-based XMLRPC API .
158
159 - Extended and maintained the UltraDNS AXFR/IXFR zone transfer utility, written in C++.
160
161 - Extended and maintained a utility for gathering DNS query timing statistics.
162
163 - Worked on setting up consistent build procedures across the UltraDNS product line.
164
165 - Worked closely with off-site engineers in Arizona and India.
166
167 ----
168
169 ---------------
170 StackSafe, Inc.
171 ---------------
172 | **Vienna Virginia**
173 | **November 2006 – January 2009**
174
175 ..............................................
176 Senior Software Engineer (Test Center Product)
177 ..............................................
178
179 Designed, developed and maintained StackSafe's flagship Test Center product, which was awarded the 2008 ITIL Innovation of the Year.
180
181 - Designed, implemented, maintained, and documented the product's TurboGears-based licensing system, including the design of its PostgreSQL database, and the sqlalchemy-migrations needed between releases.
182
183 - Designed, implemented, and maintained the licensing and upgrade portions of the product's Rails-based GUI, including a Ruby-based cron job which would occasionally poll the upgrade server for new releases.
184
185 - Designed, implemented, and maintained the product's Ruby-based command line interface.
186
187 - Developed and maintained the products Python-based storage daemon, which was capable of surfacing a virtual machines QEMU disk image over the network by using qemu-nbd and nbd-client.
188
189 - Helped develop and test the product's Python-based management daemon which was responsible for starting and stopping virtual machines.
190
191 - Performed root cause analysis after build failures, sometimes having to dig pretty deep into code I was not written , including Python, C++, Ruby , and Perl code and bash scripts Many times these failures turned out to be locking/synchronization issues between various system components.
192
193 - Maintained the Debian packages and apt-get repository using reprepro.
194
195 - Implemented and maintained the installation scripts associated with the products deb-based packaging.
196
197 - Customized the Debian install process to install our product along with the normal Ubuntu server installation, and to verify that the host machine supported virtualization. Since the Debian install process is not documented very well, this usually involved having to walk through the Debian-installer source to find out how it worked.
198
199 - Designed, implemented and maintained the product's build environment, including a Python based nightly-build script which built all the source, loaded it onto the appropriate test machines, and run the smoke tests.
200
201 - Acted as the primary QA engineer until a full time tester was hired, leading bi-weekly bug scrubs, and making sure all the outstanding issues were resolved before cutting a release.
202
203 - Championed unit testing as an integral part of the normal development environment
204
205 - Participated in code reviews, and monitored the SVN commit notices for questionable commits, especially after build failures.
206
207 - Used Puppet to maintain the configuration Engineering lab's collection of build and test machines.
208
209 - Submitted patches and bugs against the open source projects we were using on the product.
210
211 - Worked closely with off-site engineers in California and New Jersey.
212
213 ----
214
215 -------------
216 Cisco Systems
217 -------------
218 | **Herndon Virginia**
219 | **November 2000 – September 2006**
220
221 ..........................
222 Lead Engineer(LMP Feature)
223 ..........................
224
225 Led development LMP (RFC 4204) feature on the 15454DWDM multi-service transport platform.
226
227 - Wrote design document and test plans for the LMP feature.
228
229 - Implemented the IDL, CORBA layer, and TL1 (Transaction Language 1 – a widely used telecommunications management protocol) interface code for LMP feature
230
231 - Tracked incoming defect reports for the LMP implementation
232
233 - Participated in successful interoperability tests with the Calient PXC at the KDDI research labs outside Tokyo. Fixed and retested minor issues on-site during testing.. KDDI was very impressed with the quick turnaround time, saying it had taken a competitor months to make similar changes.
234
235 - Trained support engineers in the LMP feature during technology transfer
236
237 .................................
238 Lead Engineer (15600 TL1 Feature)
239 .................................
240
241 Led development for the TL1 interface for the 15600 multi-service transport platform.
242
243 - Assigned priorities for TL1-related bugs on the 15600 platform to a team of 7 engineers located in California, Texas, Italy, and India. Remove roadblocks associated with fixing the problems. Adjusted workloads to keep engineers from becoming swamped or burned out. Participated in most code reviews related to the 15600’s TL1 interface.
244
245 - Removed 100K SLOC by aligning divergent code bases between the 15454 and 15600 platforms. The common code base freed up engineers who had previously been dedicated to either the 15454 or 15600. Fixing a bug or extending one platform also ended up being reflected on the other platform as well.
246
247 - Worked closely with other Cisco sites in Texas, North Carolina, and California, as well as offshore developers in India, and Italy.
248
249 ________________________________________________
250 Software Engineer(15327, 15454, 15600 platforms)
251 ________________________________________________
252
253 Provided full life cycle support across a number of Cisco’s multi-service transport platforms
254
255 - Wrote and maintained an extensive TL1 regression test suite in Expect. The test suite originally was meant to provide early testing for OSMINE deliverables. The tests were so successful, they began being used as a stability metric after branch syncs or merges. Before the tests were available, it might be weeks before a sync error was discovered. After the tests were implemented, sync errors were noticed within a day.
256
257 - Implemented Telcordia’s COPY-RFILE feature. This was the first time the feature was developed by a vendor. Worked closely with Telcordia engineers to work out the kinks in their specification.
258
259 - Resolved 800+ defects over 5 years, making me on of the top 5 contributors on the team. Wrote 700+ defect reports over 5 years despite not being a QA tester. Posted more defects than most of the dedicated testers.
260
261 - Participated in multiple OSMINE certification cycles. The OSMINE testing cycle forced code delivery to Telcordia months before the software went through formal QA. This test suite guaranteed high quality software was delivered despite the lack of QA. OSMINE certification cost ~6M, so an unsuccessful certification effort would have been extremely expensive.
262
263 - Had to carry a pager once or twice a year on a rotating basis in case any serious problems happened in the field that the regular support engineers couldn't resolve.
264
265 ----
266
267 ----
268 CACI
269 ----
270 | **Fairfax, Virginia**
271 | **March 1998 – November 2000**
272
273 ....................................
274 Senior Systems Analyst / Task Leader
275 ....................................
276
277 _________________________
278 Web Invoice System (WinS)
279 _________________________
280
281 Developed Oracle stored procedures for digital signature application
282
283 - Migrated embedded SQL in a Java servlets application to use stored procedures, allowing the database developers to focus on the SQL code, and the Java developers to focus on the servlet code.
284
285 - Developed regression test plan for stored procedures.
286
287 ___________
288 DIFMS/NIMMS
289 ___________
290
291 Developed the project's C++ framework, and provided custom tools to support various aspects of the life cycle on a COBOL reengineering project
292
293 - Developed framework for server side batches in C++
294
295 - Implemented an engine for translating Rational Rose class diagrams into Oracle DDL scripts
296
297 - Implemented a Microsoft Word template for capturing business rules which were then ported to Rational Rose
298
299 - Implemented a database monitoring tool in Perl to ensure various design decisions were being maintained in the database schema
300
301 - Implemented a regression test system for the batches which was incorporated into the nightly builds.
302
303 ----
304
305 ----------------------
306 RS Information Systems
307 ----------------------
308 | **McLean Virginia**
309 | **June 1995 – February 1998**
310
311 ....................................
312 Senior Systems Analyst / Task Leader
313 ....................................
314
315 ____________________________________________________
316 Midwest Electronic One-Stop Shopping Service (MEOSS)
317 ____________________________________________________
318
319 Developed a credentialing and permitting system used by the trucking industry and state motor vehicle departments in seven Midwestern states.
320
321 - Designed and implemented the mapping between the database schema and the EDI documents, including the design of the database schema
322
323 - Developed the installation process for state and industry versions of the software.
324
325 - Lead a team of four PowerBuilder developers
326
327 __________________________________________________
328 Virginia/Maryland CVISN Pilot Credentialing System
329 __________________________________________________
330
331 Ported the MEOSS Credentialing System to the states of Virginia and Maryland
332
333 - Added client/server capabilities to the state portion of the MEOSS credentialing system
334
335 - Developed a direct-dial communications subsystem to bypass VAN charges.
336
337 - Developed a Perl script to diagnose common problems in ODBC.INI files.
338
339 ____________________________________________________
340 IFTA Clearinghouse / Quarterly Tax Submission System
341 ____________________________________________________
342
343 Developed a system for gathering fuel tax data from states.
344
345 - Implemented the mapping between the database schema and the ANSI X12 813 EDI file format.
346
347 - Developed the system for importing EDI files into a DB2 database.
348
349 - Lead a team of 2 C++ developers
350
351 - Developed the VAN communication system for sending and receiving EDI files
352
353 ______________________________________________
354 Hazardous Material Registration System (HARPS)
355 ______________________________________________
356
357 Developed a system allowing states to share hazardous material registration information.
358
359 - Gathered system requirements and wrote the technical specification document.
360
361 - Mapped database schema to the applicable ANSI X12 EDI formats.
362
363 ----
364
365 ==========
366 Education:
367 ==========
368
369 ----------------------------------------------------------------------
370 George Mason University, Information Technology and Engineering School
371 ----------------------------------------------------------------------
372 Masters of Science / Computer Science / May 2006
373
374 ------------------------------------------
375 Cornell University, College of Engineering
376 ------------------------------------------
377 Bachelor of Science / Computer Science / May 1990
378
379
380 =====================
381 Open Source Projects:
382 =====================
383
384 Certmaster (http://github.com/jude/certmaster) (2015-Present)
385 - Forked the Fedora Certmaster project adding support for multiple CAs and hash functions other than sha1
386
387 Haskell Augeas FFI Bindings (http://trac.haskell.org/augeas/ (2009-Present)
388
389 - Provided foreign function interface bindings so Haskell users could easily use the Augeas library
390
391 python-module-for puppet (http://github.com/jude/python-module-for-puppet/tree/master) 2009
392
393 - Extended Python packaging support in Puppet to include installation of specific package versions
394
395
396 Pwan OCL Library: (http://sourceforge.net/projects/pwan) (1999-2000)
397
398 - Developed a YACC parser for the UML Object Constraint Language version 1.3
399
400 Various other patches on github (https://github.com/jude?tab=activity) (2009-Present)
401
402
403
404
405
406