Riley Grennan

Experience

• 

  Grennan Communications Co

  May 2011 - May 2017

  Telecommunications and Networking Technician

  - Installed and serviced enterprise telecommunication systems resulting in hundreds of satisfied customers- Trained new telecommunication technicians during company expansion resulting in improved customer service and timely response to customer needs- Collaborated with multiple SIP service providers to resulting in greater flexibility to the customer- Utilized Media Application Servers to provide advanced voicemail and call control features for customers to improve the user experience- Established and maintained advanced computer networks resulting in many satisfied customers- Repaired computer hardware to prevent full computer replacement and reduce customer costs- Recovered and migrated data resulting in thousands of restored files and folders- Installed and terminated both copper and fiber cable resulting in thousands of active endpoints Show less

• 

  Missouri University of Science and Technology

  Mar 2017 - Dec 2017

  - Graded approximately 50 student’s weekly assignments and exams providing timely feedback to students and optimizing the learning potential- Revised homework assignments to optimize clarity of learning and feedback for future students and graders- Responded to student questions regarding course material in a timely manner resulting in prompt guidance to students’ learning endeavors - Developed hands-on exercises and assignments for students related to computer networking course content assisting in better understanding and retention of the curriculum - Created new course modules based on changing curriculum requirements to ensuring that students have the most current knowledge base- Researched certifications related to course material to differentiate students in the workforce and enhance employment opportunities - Researched and modified software tools used for lie-detection to contribute to the needs and efficiency of the research study- Generated new ideas for dependent variables related to lie-detection aiding in the development of a new proposal of study

  • Grader

    Aug 2017 - Dec 2017

  • Teaching Assistant

    Mar 2017 - Dec 2017

  • Research Assistant

    Mar 2017 - Dec 2017
• 

  AT&T

  May 2017 - Aug 2017

  Student Technical Intern

  - Orchestrated capital tool audit for Missouri & Kansas to reduce expenses and increase tool budget - Identified misspending in UpFront Ordering System, a system used for technician tool and parts ordering, contributing to the reduction of operation expenses by more than 50% in one month- Transformed raw system data into useful reports to aid management in making informed decisions- Coordinated eNPS Employee Engagement competition leading to participation from all 7 Area Managers in Missouri and Kansas- Created PowerPoint presentations to be presented to management to enhance cost savings initiatives Show less

• 

  AT&T

  Jan 2018 - now

  Strategic Planning Program Management Team (December 2018 - Present) • Facilitating the migration of consumer applications to new authentication platform to enhance the customer experience and reduce fraudulent transaction costs to the business • Developing automated reports to provide leadership with the ability to monitor the status of more than 15 strategic initiatives • Working with more than four thousand applications across the enterprise to expedite the implementation of a redesigned Global Logon experience to enhance corporate securityHQ RAN Go-No-Go Team (August 2018 - December 2018)• Orchestrating construction of a 5G resource repository for team access in order to proactively create systems and processes to support the deployment of 5G• Aiding in the deployment of an interference reduction technology to improve the quality of our FirstNet network• Redesigning the approval process, using automation, required to install new RAN equipment on Department of Defense property HQ RAN Reporting and Analytics Team (January 2018 - August 2018)• Developed interactive front-end web charts and tables to enhance content engagement as well as increase information awareness among leadership• Developed automated data gatherings, processing, and publishing scripts to streamline the back-end of the reporting website resulting in a time savings of 52 hours per week • Created standardized web template to allow for site expansion while maintaining a consistent user experience• Created data driven models pertaining to efficiency to provide enhanced, cross organizational insights for leadership Show less

  • Principal Cybersecurity Product Manager

    May 2024 - now

  • Lead Cybersecurity Product Manager

    Dec 2021 - May 2024

  • Senior Technical Project Program Manager

    Sept 2021 - Dec 2021

  • Professional- Technical Project Management Cybersecurity

    Sept 2020 - Sept 2021

  • Sr. Specialist- Technical Project Management

    Oct 2019 - Sept 2020

  • Tech Development Program- Engineer II

    Jan 2018 - Oct 2019