It Systems Hands-On

Charles Lewis

***@*******.*** https://www.chl*.link Battle Creek, MI

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Summary

Motivated and technically skilled IT professional with hands-on experience in systems administration, cybersecurity, and penetration testing. Proficient in securing infrastructure, managing IT operations, and simulating real-world attack scenarios using tools such as Nessus, Kali Linux, and Metasploit. Currently advancing expertise through TryHackMe and a self-hosted cybersecurity lab environment.

Technical Skills

- Penetration Testing & Vulnerability Assessment: Kali Linux, Metasploit, Burp Suite, Nessus, Hyperion

- Operating Systems: Windows, Linux (Kali, Ubuntu)

- System Administration: Active Directory, Group Policy, DNS, DHCP

- Scripting & Automation: PowerShell, Bash, Python (basic)

- Virtualization & Labs: VMware Workstation, Metasploitable2

- Networking & Security: Network troubleshooting, system hardening, endpoint protection

Experience

System Administrator

Streamline Healthcare Solutions – Kalamazoo, MI Oct 2022 – May 2025

- Secured and managed 200+ endpoints using patch automation and access controls.

- Collaborated with security teams on incident response and system hardening.

- Automated patch deployment and remediation tasks using PowerShell and Bash.

- Monitored system logs and supported vulnerability management efforts.

IT System Manager

Foundation For Behavioral Resources – Augusta, MI Dec 2021 – Present

- Led endpoint/server patching, VM deployments, and access control procedures.

- Performed audits and automated compliance reporting.

- Managed logging infrastructure to ensure accountability and visibility.

IT Technician

FireKeepers Casino – Battle Creek, MI Jun 2019 – Dec 2021

- Provided endpoint protection and patch support for over 500 users.

- Maintained Active Directory user accounts and resolved security escalations.

- Supported OS updates and system hardening tasks.

Projects

Penetration Testing Home Lab

Personal Cybersecurity Lab Ongoing

- Built a full red team simulation lab using VMware with Kali Linux, Kali Purple, Metasploitable2, and Windows 10.

- Practiced privilege escalation, lateral movement, and persistent access techniques.

- Utilized tools such as Nmap, Burp Suite, Hyperion, and BloodHound.

TryHackMe Labs

Cybersecurity Training Platform Ongoing

- Completed 60+ hands-on labs across offensive and defensive security domains.

- Performed vulnerability scans, privilege escalation, and web application exploitation.

- Used tools like Nessus, Wireshark, and Metasploit.

- (Add your rank or TryHackMe username for credibility if desired)

Education

- Bachelor of Science – Information Technology & Networking, Cybersecurity Concentration, DeVry University – Expected 2025

- Associate of Applied Science – Computer Engineering

- Associate of Applied Science – Computer Science

Certifications

- CompTIA Security+

- ISC2 Certified in Cybersecurity (CC)

- Google Cybersecurity Certificate

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