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OpenLoopOpenLoop

Senior Incident Response Analyst

Own end-to-end security incidents and conduct forensic investigations across endpoint, network, cloud, memory, and identity environments. The role requires 6–8 years of hands-on security experience, strong EDR/SIEM and scripting skills, and participation in an incident-response on-call rotation.

About the job

Responsibilities

  • Own Tier 1 and Tier 2 incidents end to end, including detection validation, triage, scoping, containment, eradication, recovery, and post-incident review.
  • Conduct host, memory, network, cloud, and identity forensic investigations independently.
  • Investigate EDR and SIEM telemetry; write and refine queries, build correlation logic, and reconstruct incident timelines.
  • Participate in a shared incident-response on-call rotation and exercise defined containment authority, including host isolation and session revocation.
  • Author and revise incident-response playbooks based on worked incidents; lead post-incident reviews and track findings to closure.
  • Automate or AI-assist repetitive triage and evidence-collection tasks.
  • Produce defensible technical timelines and executive incident summaries.

Requirements

  • 6–8 years of hands-on security experience, primarily in incident response and/or digital forensics.
  • Demonstrated ownership of the complete incident lifecycle.
  • Practical digital-forensics experience across host/disk, memory, network, cloud, and identity investigations.
  • Hands-on EDR/EPP experience, including endpoint telemetry investigation, response actions, and tuning.
  • Hands-on SIEM experience, including query authoring, correlation logic, and timeline reconstruction.
  • Fluency with forensic tools such as Velociraptor, KAPE, Volatility, Autopsy, EnCase, FTK, X-Ways, plaso, Zeek, or Wireshark.
  • Evidence-handling discipline, including chain of custody, sound acquisition, and defensible documentation.
  • MITRE ATT&CK fluency applied to real investigations.
  • Scripting experience with Python, PowerShell, or similar.
  • Demonstrated use of AI tools in security work, with sound judgment regarding sensitive data.
  • Strong technical and executive incident writing skills.
  • Willingness to participate in an incident-response on-call rotation.
  • No specific degree required.

Preferred Qualifications

  • CrowdStrike Falcon EDR, Falcon Next-Gen SIEM, and Falcon Shield experience.
  • CrowdStrike Query Language (CQL) query authoring, correlation rules, and dashboards.
  • AWS cloud incident response, including CloudTrail, GuardDuty, and IAM abuse investigations.
  • Identity-centric investigations, particularly Okta session hijacking, MFA fatigue, token theft, and SSO abuse.
  • Healthcare, fintech, or other regulated-industry experience with sensitive data.
  • Operator-side HIPAA, HITRUST, or SOC 2 experience, including breach determination workflows.
  • GCFA, GCFE, GCIH, GNFA, GCIA, GREM, or equivalent expertise.
  • Malware triage and reverse-engineering fundamentals.
  • SOAR or automation-platform experience, or AI-assisted incident-response workflows using LLM APIs.
  • Multi-entity or M&A environment experience.
  • Open-source DFIR contributions, CTF participation, conference talks, or other security-community engagement.
  • Experience maturing an incident-response program.
  • Threat-intelligence experience applied to active investigations.

Compensation and Benefits

  • Medical, dental, and vision plans.
  • Flexible Spending Accounts and Health Savings Accounts.
  • Flexible paid time off.
  • 401(k) with company match.
  • Life insurance and pet insurance.

Skills

Incident Response, Digital Forensics, Edr, SIEM, Python, PowerShell, Mitre Att&Ck, Velociraptor, Kape, Volatility, AWS, Crowdstrike Falcon, Okta, Wireshark

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