Portfolio and Online Resume

Here you will find a link to my GitHub where I have other coding projects, my LinkedIn, as well a copy of my resume.

Lloyd W. Turk Jr.

Summary of Qualifications

Linux Systems Administrator and Cybersecurity Engineer with 16+ years of experience securing and optimizing enterprise IT environments. Skilled in Linux, cloud, and security compliance (HIPAA, PCI, NIST). Strong background supporting healthcare and higher education organizations.

IT Certifications
  • CSA CCSKv4
  • OCI Foundations Associate
  • Pearson: IT Specialist - Python
  • Pearson: IT Specialist - Artificial Intelligence
  • EC-Council: Certified Ethical Hacker (CEH)

Professional Experience

Stetson University
DeLand, FL, May 2021 - Sep 2025
Linux System Administrator III

Skills Used

Linux administration (CentOS/RHEL, OEL, Ubuntu) and provisioning on bare metal and Virtualized hardware (Vsphere, AWS & OCI), Linux system hardening (SELinux, Firewalld, etc.), LAMP, Python, Bash scripting, Ansible playbook creation.

  • Configured and managed ELK Stack, developing custom Kibana dashboards that improved real-time log monitoring and incident response efficiency.
  • Explored and suggested AD/Entra ID authentication solutions for Linux infrastructure including Ubuntu AuthD, Himmelblau, RADIUS etc.
  • Led migration of legacy CentOS 6/7 server to OEL, RHEL, and Ubuntu, improving system security and supportability.
  • Migrated Linux workloads from On-Prem to cloud improving scalability and flexibility to meet changing demands.
  • Migrated Linux workloads from AWS EC2 to Oracle Cloud Infrastructure (OCI), improving performance, reducing licensing costs, and ensuring secure deployment.
Orlando Health
Orlando, FL, October 2015 - May 2021
Cyber Security Engineer

Skills Used

Linux (CentOS/RHEL, Fedora, Ubuntu) provisioning on bare metal and Virtualized hardware, GPU Accelerated Computing using Cuda on a Linux based platform, Vulnerability Scanning Using Nessus, LAMP (Linux Apache MySQL PHP), HTML, Python, Bash scripting.

  • Splunk ES Administration, correlation searches, backend Linux servers, integration with XSOAR.
  • Cortex XSOAR provisioning, configuration, administration. Created multiple playbooks to automate various security tasks, improving incident response times and reducing manual workload.
  • Planned, configured, and administered various Linux servers (RHEL) for gitlab, Splunk Dev environment, and other Cyber Security Team projects.
  • Audited enterprise Linux and Windows systems with Nessus and complementary tools, identifying and remediating vulnerabilities to strengthen security posture.

June 2014 - October 2015

Identity Management Administrator


Skills Used

Windows Active Directory, Microsoft Exchange, User Access Management, Identity Access Management, Role Based Access Controls (RBAC), Vendor Access Management and Account Creation, Active Directory User maintenance.

Data Analyzers
Orlando, FL, January 2014 - April 2014
Junior Data Recovery Technician

Skills Used

Windows, Linux, and Mac Forensics, using The Sleuth Kit and Autopsy. Linux Servers, data Recovery using software such as dd, ddrescue and testdisk. DeepSpar Disk Imager. GPU accelerated password recovery for recovering encrypted files, hardware level file recovery using class 100 clean room lab. HDD write blockers, and HDD duplicators, Windows Servers.

JBT & Associates
Daytona Beach, FL, November 2011 - June 2013
Computer Technician

Delivered IT support including PC setup/repair, software and hardware installation, data backup, and Windows network administration with user and server provisioning.

Eastern Maine Community College
Bangor, ME, March 2009 - May 2011
Student Worker (IT Department)

Skills Used

Provided hardware/software support, network setup, imaging, and troubleshooting for Windows and Linux systems.

Education

Daytona State College
Daytona Beach, FL, Graduated Dec 2018
A.S. in Computer Programming and Analysis (Software Engineering Technology)
Eastern Maine Community College
Bangor, ME, Graduated May 2011
Computer Repair Technology Certification (2yr Certificate).