Joseph Holloway

Deployed and configured Greenbone Vulnerability Manager to perform independent network scans across 75+ assets in critical business infrastructure, validating that vulnerabilities were not externally discoverable across segmented networks and confirming the effectiveness of firewall and ACL controls.

Led the design and development of a Python automated threat mitigation solution integrating Okta and AbuseIPDB, deployed via a GitHub Actions pipeline to enable automated execution, streamlining IP reputation analysis and reducing security operations workload by 1 hour per day across teams.

Managed and mentored an entry-level Cybersecurity Analyst, accelerating skill development and expanding responsibilities, positioning them for progression into a Cybersecurity Engineer role.

Served as technical liaison and led cross-functional collaboration with development teams to design and implement SAML and OIDC integrations for secure SSO across 15+ third-party platforms.

Implemented Delinea PAM Privilege remote access to replace VPN-based contractor access, centralizing privileged session management and reducing external network exposure by 35+%

Led the strategic development of the e1337 Training program at the Georgia Cyber Center, aligning curriculum with industry, government, and workforce demands to create over 100+ career-ready cybersecurity professionals.

In partnership with the GA AIM Team Lead, led and mentored a cohort of 10 Augusta University students through multiple on-site engagements with small and medium-sized businesses across Georgia, overseeing intake assessments, RFI development, documentation, and deployment of technical security tools to strengthen regional cyber resilience.

Led cross-team coordination for state agency live-fire Cyber Range exercises, applying environment testing to validate scenarios and ensure attack pathways aligned with strategic planning objectives.

Translated customer requirements into MSEL-driven Cyber Range environments, worked alongside the GA Cyber Range to design hands-on exercises, tuned labs for hands-on training, and maintained AsciiDoc + Antora.

Automated manual checks and enrollment workflows by scripting against the Canvas API with Python to build a custom order-pull and email correlation process that improved operational efficiency and reduced human error by 70%

Served as Interim Director while continuing CyberDevOps responsibilities, aligning documentation, deployment processes, and environment testing with structured CI/CD practices to ensure program continuity

strategically managed a $1M IT budget, aligning investments with infrastructure modernization, security initiatives, and operational objectives.

Served as the senior technical authority for Fox Creek High School, overseeing all enterprise IT operations including infrastructure architecture, identity and access management, network engineering, virtualization, cybersecurity controls, vendor coordination, budgeting, disaster recovery planning, compliance alignment, and end-user support to ensure secure, reliable, and scalable technology services across the organization.

Delivered Tier II/III technical support while developing batch and PowerShell automation scripts that reduced repetitive per-site workload by 70%, significantly increasing team efficiency and response time.

Led end-to-end technology deployments for new construction projects, architecting and configuring network infrastructure to ensure seamless operational readiness at site launch.

Maintained and supported a 26+ mile fiber-optic WAN infrastructure across the Orangeburg, SC region, installing and troubleshooting SCADA systems, automated metering communications (AMI), and backhaul links (AirFiber, Ubiquiti PtP/PtMP, Cambium) to ensure reliable operational technology (OT) connectivity.

Installed and configured wireless backhauls and strengthened SCADA network resilience including physical access control in alignment with evolving NERC CIP compliance requirements, contributing to enhanced security controls, segmentation, and infrastructure hardening across critical utility infrastructure.

Developed and planned an Phishing and Awareness Campaign

Implemented Vulnerability Scans from On-Prem and Cloud (Tenable)

Assisted with System Administration from Servers (Cloud and On-Prem)

Took ownership of multiple systems to work on Automation for User Lifecycle Management from (HR onboarding procedures will progress the project)

messaging triggers from SumoLogic alerts for Teams messages with workflows using (PowerAutomate) this will include:

Developed BCP/DR plans, reducing recovery times by 40% and enhancing organizational resilience.

Optimize and streamline spending for K-12 systems

Implemented VLANs for wired and wireless networks

Assisted with Designed and implemented hands-on virtual labs along with Documentation

Worked through Environments and provided valuable feedback

Planned multiple events from understanding requirements from a customer to planning with the Cyber Range Team and testing and Validating the deliverable is operational

Assisted with the planning of Cyber Dawg for 3 years with GTA/OIS

Gathered requirements for the event and coordinated multiple groups to meet deadlines for the event

Gave single day training for Range use and some of the toolset deployed in the environment