Summary
Overview
Work History
Education
Skills
Clearance - Secret 2021
Certification
Timeline
Generic

Aaron Walker

Summary

Experienced Information Systems Security Officer with a strong background in safeguarding organizational IT infrastructure against a wide range of cyber threats. Skilled in managing advanced security tools, ensuring compliance with industry and government regulations, and leading risk management initiatives. Demonstrated ability to collaborate effectively with cross-functional teams and communicate complex security concepts to both technical and non-technical stakeholders.

Overview

4
4
years of professional experience
1
1
Certification

Work History

Information Systems Security Officer

Raytheon Technologies
05.2023 - Current
  • Conduct comprehensive vulnerability assessments to identify, evaluate, and mitigate security weaknesses across the organization.
  • Conduct SCAP scans and C3s on systems being introduced to the network.
  • Utilize security information and event management (SIEM) and advanced analytics tools to efficiently detect threats.
  • Develop a complete and effective System Security Plan (SSP) to obtain a new ATO for the program.
  • Ensure compliance with relevant regulations, standards, and frameworks such as RMF and NIST SP 800-53.
  • Prepare infrastructure for comprehensive and detailed customer inspections.
  • Audit Windows systems, Netapp, VDI, Software installs, User Accounts, and Symantec (Anti-Virus).
  • Conduct frequent patch scans to identify critical and high vulnerabilities on all systems within the infrastructure.
  • Guide junior security staff, providing leadership, training, and support to enhance the overall effectiveness of the security team.
  • Work closely with other departments, including IT and engineering, to integrate security measures into business processes and systems.

Information Systems Security Officer

Raytheon Technologies
05.2022 - 05.2023
  • Assisted in daily monitoring of security systems, including intrusion detection and prevention systems, to identify and respond to potential threats.
  • Attended and participated in weekly meetings with the customer to provide updates on security posture and status.
  • Supported the enforcement of organizational security policies and procedures
  • Conducted response to security incidents, including documenting, analyzing, and escalating issues as necessary.
  • Evaluated and mitigated security risks associated with new projects or systems.
  • Provided training to end users to improve overall awareness and consistency of security.
  • Participated in frequent vulnerability assessments and scans to identify and address security weaknesses.

Cybersecurity Analyst Intern

Raytheon Technologies
05.2021 - 09.2021
  • Developed and revised a new Cyber Incident Response Plan (CIRP) for the organizational cybersecurity department.
  • Lead a presentation regarding the future goals and alignment of cybersecurity to the president of Raytheon.
  • Helped monitor network and system security alerts to identify potential threats or vulnerabilities.

Technical Support Officer

Grand Canyon University
09.2020 - 04.2022
  • Provided technical support to students, faculty, and staff via phone and messaging to address hardware, software, and network issues.
  • Assisted in ensuring the security of college IT systems by adhering to established policies and procedures, including user authentication and data protection.
  • Developed and maintained up-to-date documentation for troubleshooting procedures and user guides.
  • Provided exceptional customer service by being responsive, empathetic, and effective in addressing user concerns and technical challenges.

Education

Bachelor of Science - Cybersecurity

Grand Canyon University
Phoenix, AZ
05.2022

Skills

  • Auditing System Hardware, Software, & Network
  • Incident Response
  • Network Security
  • Cybersecurity Tools: Splunk, Nessus, Symantec, etc
  • Operating Systems: Windows & Linux
  • Data/Log Collection & Analysis
  • Team Collaboration
  • Government Compliance
  • Risk Assessment
  • Access control management

Clearance - Secret 2021

DoD Government Clearance

Certification

  • Security + Certification

Timeline

Information Systems Security Officer

Raytheon Technologies
05.2023 - Current

Information Systems Security Officer

Raytheon Technologies
05.2022 - 05.2023

Cybersecurity Analyst Intern

Raytheon Technologies
05.2021 - 09.2021

Technical Support Officer

Grand Canyon University
09.2020 - 04.2022
  • Security + Certification

Bachelor of Science - Cybersecurity

Grand Canyon University
Aaron Walker