J.P. Vrolyk
jp@vrolyk.org, 757-642-3359
Seeking a senior software development position in northern Virginia
Overview:
- 10+ years of software development experience, and 20+ years total IT experience
- Proficient with Java, C#/.NET, C/C++
- Experienced with Windows, Unix (Linux/Solaris/AIX), and cloud (Azure) environments
- Additional experience in TCP/IP network engineering, cyber operations, and information assurance
- TS/SCI clearance
Work Experience:
Microsoft [Reston, Virginia], Software Engineer, April 2019 - May 2023
C# software development for a managed implementation of Redis (a NoSQL database used for caching & messaging) on
Azure cloud infrastructure. Highlights:
- Implemented support for
zone redundancy
and load-balanced
multiple replicas
to improve reliability & scalability
- Developed and deployed cloud infrastructure improvements via tools including REST APIs, SQL database schema updates, PowerShell scripting, and JSON configuration files
- Improved cloud DevOps processes and automation to reduce update failures by a factor of 5
- Provided higher-tier on-call support for tough problems that customer service team or site reliability engineers were unable to address
- Led agile sprint planning & daily scrums
- Ensured compliance with
FedRAMP
security requirements
- Cyber capabilities developer (C, Python) for US Cyber Command
- Network engineer (SATCOM, TCP/IP, VoIP) for an Army Expeditionary Signal (communications) unit
ASM Research [Fairfax, Virginia], Software Engineer, August 2018 - April 2019
Cloud software developer (C#/PowerShell/Java) working with a top cloud provider. Conducted technical screening interviews, prepared instructional materials, and provided coaching and mentoring for job candidates & new hires.
- Network Systems Engineer, October 2014 - September 2018:
- Army Cyber Command: Deputy chief of Network Defense section (30-person team handling attack sensing, response actions, and incident management)
- Army Cyber Command: Offensive Cyber Operations Mission Lead
- 2nd Infantry Division (Korea): Network planning & project management
- Signal Officer, April 2009 - October 2014:
- led 22 Soldiers providing communications to Special Operations across multiple sites
- managed electronic & motor maintenance for a 300-Soldier communications unit
- planned & managed communications & IT for
civil affairs operations
- Infantry Squad Leader February 2005 - April 2009: Combat operations
Microsoft [Redmond, Washington], Software Engineer - Test, May 2003 - January 2005
C# & VB design & development of test automation tools and libraries, samples, and test cases for
SOAP/XML-based network communications
OC Systems [Fairfax, Virginia], Software Engineer, May 1999 - December 2002
Java, C, & C++ development:
- instrumentation and debugging tools for compiled code on Windows, Linux, Solaris, and AIX
- same for Java byte code
- using device-driver technology for real-time interception and instrumentation of applications
- developing cross-platform Java GUI for the above
- XML creation and parsing for data storage and analysis
Caravelle [Nepean, Ontario, Canada], Software Developer, January 1996 - September 1998
Java & C++ development of network management software:
- designed & implemented an SNMP class library
- designed & implemented a custom scripting language & interpreter
- creating web-based front-end via Java & HTML for same
- Perl CGI script development
- technical research, evaluation, and competitive analyses
Education:
-
Bachelor of Mathematics (Honours Computer Science) from the
University of Waterloo [Waterloo, Ontario, Canada] (1999)
-
Army Telecommunications Systems Engineer Course (2014)
Personal projects (Java):
- Tool for analysis of large lists of IP addresses
- Customized incremental backup tool
- Sudoku assistant
- Tool for generating data-driven custom-colored maps
- Participation in on-line coding challenges & contests
Awards:
- Meritorious Service Medal (2018)
- Joint Network Attack Course, Distinguished Honor Graduate (2016)
- Telecommunications Systems Engineer Course, Distinguished Honor Graduate (2014)
- Signal Officer Leadership Course, Distinguished Honor Graduate (2009)
- Warrior Leader Course, Distinguished Leadership Award (2007)
- Governor General of Canada's Academic Medal (1993)