Cullen Henderson
Powder Springs,GA
Summary
Highly motivated and dedicated technician with over 8 years of experience in Cyber Security, Information Security, Technical Support, and Database Management.
Overview
8
8
years of professional experience
1
1
Certification
Work History
Secure Computing Assistant
GTRI
Atlanta, GA
05.2022 - Current
- Updated system definitions for 25+ machines in 4 secret locations weekly, monthly and quarterly.
- Deployed security infrastructure and automated security operations for customers.
- Demonstrated data gathering, synthesis, and solutions; Performed SCAP scans on 25+ systems when new STIGS were released, raising machine compliance above 97%.
- Implemented enterprise security solutions such as WAF, IPS, Anti-DDOS, and SIEM.
- Utilized Hypervisor for risk analysis, system certifications, auditing, security documentation and security testing for RHEL and Windows Machines.
- Created and administered profiles and accounts via Active Directory.
IT Operations - Helpdesk
GTRI
Atlanta, GA
08.2021 - 05.2022
- Deployed 50+ Windows secure environments through PXE boot using SCCM and boot-able drives. Developed new procedures for different machine types via wiki's, increasing deployment proficiency.
- De-provisioned and deployed 30+ MacBook's via JAMF.
- Assisted customer issues related to Air watch, Slack, Microsoft Outlook, DUO, VPN, and disk encryption. Increased customer satisfaction by resolving 40+ issues within CIPHER-IT ticket queue.
- Triaged IT related issues, pointing tickets in queue to qualified Customer Support Representatives.
- Staged infrastructure and workstation hardware, performing system scans using automated or manual tools, building customized hardware and software solutions, and performed system documentation.
- Security Incident/Event triage: Responded quickly to incidents and assessed active situations for security concerns, reporting all findings to security rep.
SecOps Engineer/Windows Software Developer Student
Georgia Tech Research Institute
Atlanta, GA
09.2019 - 08.2021
- Successfully installed Linux servers and virtualized environments using Docker, Puppet, and Ansible.
- Updated servers monthly on secure network increasing security and job proficiency.
- Collaborated with project managers to select ambitious, but realistic coding milestones on pre-released software project development via monthly sprints.
- Revised and updated old code bases to modern development standards, reducing operating costs and improving functionality.
- Modified HTML, C#, and CSS webpages - greatly enhancing application's features to effectively fix bugs and optimize overall performance, reliability, and efficiency.
Cyber Security Liaison (CSL)
Unites States Air Force
Marietta, GA
01.2016 - Current
- Ensure all users have requisite security clearances, supervisory need-to-know authorization, and are aware of their cybersecurity responsibilities (via cybersecurity training) before being granted access to Air Force ISs in order to perform on both AFNET and Legacy networks to include NIPRNET and SIPRNET via Enterprise Service IT Help Desk (ESD) or other applicable service desk.
- Act on behalf of user to validate any network access requirements that may be needed in performance of user on AFNET.
- Additional responsibilities include creating organizational accounts, granting access to server, provision and de-provision accounts, and providing monthly report of all security related incidents to Wing Information Systems Security Officer (ISSO).
Education
BBA - Information Systems
Kennesaw State University
Kennesaw, GA08.2023
Skills
- Quality assurance and process improvement
- Cybersecurity - Risk Management
- Application Security
- Threat Modeling
- Cryptography
- Linux
- Python
- Windows System Administration
- Machine Deployments
- Technical writing and documentation
- Project Management
- Microsoft Office
Certification
CompTIA Security+
11 June 2022 - 11 June 2025
AWS Certified Solutions Architect - Associate
Expected: Oct 2022
Certified Ethical Hacker (CEH)
Expected: Dec 2022
Timeline
Secure Computing Assistant
GTRI
05.2022 - Current
IT Operations - Helpdesk
GTRI
08.2021 - 05.2022
SecOps Engineer/Windows Software Developer Student
Georgia Tech Research Institute
09.2019 - 08.2021
Cyber Security Liaison (CSL)
Unites States Air Force
01.2016 - Current
BBA - Information Systems
Kennesaw State University
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