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

United States Army Reserve, Network Engineer, October 2018 - present

• 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.

United States Army, February 2005 - September 2018

• 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)