Douglas Riggins

About Douglas Riggins

Experienced Systems Engineer and Cybersecurity Leader with a passion for building secure, scalable infrastructure across enterprise environments. I specialize in Linux system administration, data pipeline integration, and Identity and Access Management (IAM), with deep expertise in automation, security hardening, and endpoint protection.Core Technical Expertise:Linux Systems Engineering: Proficient in Red Hat Enterprise Linux (RHEL), Ubuntu/Debian administration with hands-on experience in security hardening, performance optimization, and enterprise-scale deployments. Passionate about automation and system optimization.Infrastructure & Virtualization: Architected and managed VMware vSphere and Proxmox infrastructure environments. Experienced with Nutanix HCI infrastructure and containerization using Docker and Podman for scalable application deployment.Security Architecture: Designed Zero Trust architecture and enterprise security frameworks leveraging ZTA Maturity Model and FISMA compliance.Automation & DevOps: Scripting in Python, Bash, PowerShell, and Ansible for infrastructure as code, configuration management, and security operations automation. Experienced with Git workflows, GitHub Actions, and CI/CD pipeline integration.EDR Engineering: Architected and deployed multi-platform endpoint security ecosystems (CrowdStrike Falcon, SentinelOne) serving thousands of endpoints with streamlined automation that significantly enhanced organizational threat detection capabilities.SIEM/SOAR Operations: Engineered advanced detection frameworks in Splunk Enterprise Security with custom correlations and SOAR automations, streamlining security operations efficiency and reducing analyst workload.Technical Environment- Operating Systems: RHEL, Ubuntu/Debian, Windows Server- Virtualization: VMware vSphere, Proxmox, Nutanix HCI- Security Tools: Splunk ES/SOAR, CrowdStrike Falcon, SentinelOne, Nessus- Automation/Scripting: Ansible, Python, Bash, PowerShell, Git workflows- Compliance: NIST CSF, FISMA, Zero Trust ArchitectureI thrive in environments where I can combine my love for Linux systems administration with strategic security implementation while mentoring teams and fostering technical growth. Currently seeking roles where I can leverage my infrastructure expertise, automation skills, security background, and leadership experience to build resilient, scalable systems.Industry Certifications: ISC2 CISSP | CompTIA CASP+, CySA+, PenTest+| RHCSA | CrowdStrike Certified Falcon Administrator | Splunk Enterprise Certified Admin

Experience

1. Linux Systems Engineer

   Switch

   Feb 2026 — Present

Education

• Western Governors University

  Master of Science - MS, Cybersecurity and Information Assurance