Daniel Althoff
Sr Manager, Cybersecurity Operations @Coalfire
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WORK HISTORY
Sr Manager, Cybersecurity Operations @Coalfire
Led and managed a team of ~18 engineers across SIEM Engineering, Continuous Monitoring (ConMon), Vulnerability Management, and Detection & Response Engineering, ensuring high quality delivery across multiple client engagements• Provided technical leadership across SIEM platforms including Splunk, ELK, Microsoft Sentinel, Google SecOps, and Sumo Logic, supporting both Build and Managed Operations (M&O) models• Created and launched the Detection & Response Engineering function to improve SIEM detection quality, coverage, and operational maturity across the practice• Drove maturity growth in 2025 using a custom C2M2 based maturity model, significantly improving detection effectiveness and operational readiness• Established and maintained delivery by leveraging JIRA to track tickets, priorities, dependencies, and cross team execution across all managed engineering teams• Standardized detection engineering workflows by standing up a GitHub repository for a unified FedRAMP Detection Catalog, enabling consistent detection deployment across SIEM platforms and smoother Build to M&O transitions• Supported risk and issue management, escalations, SLA ownership, and technical stand ups to ensure predictable, high quality client outcomes• Initiated and led development of higher fidelity, machine learning–based SIEM alerts to reduce noise and improve actionable security outcomes• Began integrating Threat Intelligence into SIEM platforms using ThreatLedger, a Coalfire developed agentic AI tool, to enhance contextual detection and response capabilities• Reviewed and guided SIEM architecture decisions, detection strategies, and peer engineering reviews to ensure scalability and compliance• Built strong working relationships with client technical stakeholders, engineers, and internal delivery teams to support successful engagements and long term partnerships
EDUCATION
University of Maryland
Bachelor of Arts (B.A.), History
University of Maryland Global Campus
Master of Science (M.S.), Cyber Security
SKILLS
ABOUT DANIEL ALTHOFF
Experienced Cyber Security Engineer and Leader whom emphasizes team fusion, information sharing, and cross-collaboration to foster growth in protecting environments.
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