Derek Arnold

Engineering Manager · Platform, Infrastructure & Observability

Saint Paul, MN· U.S. Citizen· Open to fully-remote roles

recruitderek@minnesotazone.com · github.com/ransomvik

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Derek Arnold

Engineering manager who leads platform, infrastructure, and observability teams running petabyte-scale telemetry across multi-cloud. I own delivery, reliability, and the people side — and I build teams that ship hard things while people actually want to stay.

~$1M/yrinfrastructure cost cut
3 PB/daytelemetry operated
9engineers led
100%one-year retention

Experience

CrowdStrike — Engineering Manager, Platform Operations

Oct 2022 – Present
  • Lead a 9-engineer team operating Falcon LogScale / Next-Gen SIEM clusters that process petabytes of telemetry daily.
  • Cut ~$1M/year in infrastructure cost through a log-storage waste-analysis initiative.
  • Shipped HawkEye, an internal operations bot — delivered ahead of schedule with 1,100+ uses in its first 90 days.
  • Drove 100% AI-tooling adoption across the team, making LLM-assisted work part of daily engineering.
  • Directed a FIPS-compliant Ubuntu upgrade across 400+ production hosts with zero incidents.
  • 100% one-year retention and 100% "I trust my manager" on engagement surveys.

CrowdStrike — Senior Site Reliability Engineer, Platform Operations

Oct 2019 – Oct 2022
  • Operated Splunk systems processing ~3 PB/day, growing 80% year over year.
  • Improved reliability across a 20,000-node Linux fleet with Python-based tooling.
  • Built Grafana / Prometheus / Thanos observability that cut incident-response time.

Alchemy Security — Director of Engineering

Apr 2018 – Oct 2019
  • Launched Alchemy Defense Cloud (managed Splunk on AWS) across 10 customer environments.
  • Backed a 20-person SOC with managed monitoring and vulnerability scanning.
  • Wrote 15 Ansible playbooks to make operations repeatable.

Optiv Security — Principal Consultant

Sep 2014 – Apr 2018
  • Delivered SIEM and security-operations consulting to 500+ clients.
  • Mentored 10 consultants and ran 30 trainings; earned two promotions.

Abbott Laboratories — Senior Security Engineer

Sep 2008 – Sep 2014
  • Enterprise security operations and intrusion response for a global medical-device manufacturer.