Roy Geiger

Security, Intelligence, & Automation | GPSOE | SSCP

Las Vegas, Nevada, United States

About

Experienced cybersecurity analyst with a strong background in threat detection, incident response, and SOC leadership. Skilled in handling high-severity escalations, building high-fidelity detections, and conducting threat hunts across platforms like Splunk, CrowdStrike, SentinelOne, Azure Sentinel, and Google Chronicle. Proficient in Python, Bash, and SQL for automation and investigation, with a solid grasp of MITRE ATT&CK, OSINT, and log pipeline troubleshooting. Experienced with securing hybrid and cloud environments (AWS, GCP) and aligning operations with compliance standards including HIPAA, PCI DSS, and ISO 27001. Known for a hands-on, solutions-first approach and the ability to clearly communicate technical insights to both engineers and stakeholders.

Experience

  • Cyber Security Consultant at Deloitte
    Nov 2025 - Present · 9 mos

    Helping with Cyber Defense & Resilience problems for multiple clients in the Financial, Technology, and Consumer sectors.

  • Senior Security Analyst at ReliaQuest
    Jun 2023 - Nov 2025 · 2 yrs 6 mos

    Serve as primary escalation lead, triaging high‑severity incidents, briefing customer stakeholders on remediation, and designing automated runbooks to efficiently handle future incidents. Perform OSINT and threat assessments on geopolitical and cybercrime actors, ensuring threat intel feeds are updated and relevant customers are hardened. Conduct threat hunts including BEC, APT, ransomware, malware source recon and deliver concise after‑action reports and presentations for customers. Identify, research, build, and modify rule logic across 7 + SIEM/EDR platforms to maintain high‑fidelity alerting. Analyze customer security integrations for log‑source failures, data‑pipeline misconfigurations, and architecture bottlenecks, safeguarding 99 % ingest uptime between customer and internal software. Mentor junior analysts on investigation write‑ups and response procedures, maintaining a 30‑minute MTTR. we

  • Special Operations Team at Insomniac Events
    Oct 2020 - Jun 2023 · 2 yrs 9 mos

    Provided event security and harm mitigation techniques during EDC Las Vegas and EDC Orlando events, including creating incident response procedures and identifying potential security and medical events Provided crowd control and crowd flow management during peak ingress and egress times

  • Title V Designer and Editor at New Mexico Institute of Mining and Technology
    Feb 2022 - Jun 2022 · 5 mos

    Designed and produced STEM-based video courses following state and national education benchmarks from initial concept design with the instructors to final production and deployment within schools

  • New Mexico Institute of Mining and Technology ()
    • Network Technician
      Aug 2019 - Dec 2020 · 1 yr 5 mos

      • Installed equipment for data communications networks including cabling, wireless routers, and network switches. • Updated department documentation such as license databases, infrastructure maps, and billing software to maintain consistent response levels.

    • Conference Assistant
      May 2019 - Aug 2019 · 4 mos

      Was a summer conference assistant for NMT Conference Services over the summer of 2019, helping prep guest rooms and facilities for incoming conferences.