Jon Stewart Email & Phone Number

Seattle, Washington, United States

• Leads a team of 4 developers in migrating security risks before reaching service-level agreements
• Writes secure and performative code for product launches and improvements to existing products
• Collaborates with engineers and developers on the design and road mapping of complex projects
• Communicates with frontend engineers to create APIs to provide an optimal experience for users
• Partners with external teams to produce security applications and larger scale development tools
• Contributes to cross-functional development of contracts and protocols for system communications

Madison, Wisconsin, United States

• Spearheaded efforts to replace an infrastructure maintenance tool for a higher capacity resource
• Assisted with the move from a microservice structure to a more traditional segmented mainframe and monolithic structure, streamlining 60 applications into a singular, multi-faceted application
• Served as the subject matter expert on the previous code’s actions, offering valuable insight to a team of 6 developers and a programming team when replicating the code to design a new program
• Implemented backend programming designs while utilizing in-depth knowledge of code logic
• Utilized Python to create test files of clean data in compliance with bank information security standards, along with a suite of tools to generate and run tests, facilitating functionality of the new implementations
• Managed file transformation, parsing, and responsive scaling, ensuring documents received could be properly parsed and stored for future use and record keeping according to sensitive data policies

Madison, Wisconsin Area

• Developed proof-of-concept security exploits to infiltrate undefended attack surfaces and execute exploits against known security vulnerabilities in order to reallocate further policy and tooling resources
• Designed and developed security policies that mitigated an Apache Tomcat vulnerability and a Java Deserialization vulnerability discovered through in-depth testing on possible security attacks
• Utilized MS Excel to write Malware and prove the need for heightened technical security measures
• Assembled detailed presentations for the Chief Security Officer on recommendations for security policy changes, additional employee training, new scanning tools, and measures available to improve security Key.
• Successfully increased overall technical security to at least 75% against specific vulnerabilities uncovered, resulting in the prevention of root control of arbitrary computers within Alliant Energy
• Spearheaded testing efforts that targeted the financial department to identify vulnerabilities, and then wrote effective trainings for employees to understand threats, prevent loss of money, secure financial.

Madison, Wisconsin Area

• Managed efforts to improve data acquisition processes for auditing, combining data acquisition paths for PCI and SOC 2 reports by mapping internal controls and automating parts of the process
• Functioned as a subject matter expert in data collection and interpretation for security audits
• Created a roadmap between SOC 2 and PCI to expedite data delivery to internal and external teams
• Developed data mapping strategies that were extended throughout the organization for other audits Key Accomplishments:
• Significantly improved the data acquisition processes through automation and consolidation, resulting in the reduction of human interaction by over 50% and increased data accuracy by at least 150%