Job Summary
We are seeking a Senior CrowdStrike Security Engineer with 7+ years of experience to manage both threat & vulnerability management and EDR solution operations on our CrowdStrike Falcon platform. Working a Japan-shift schedule, you will handle scan registration, firewall blocking requests, and agent upgrades alongside EDR client verification, certificate renewals, and coordinated terminal/golden-image version upgrades — keeping our endpoint security posture current, well-documented, and responsive to stakeholder needs.
Key Responsibilities
Threat & Vulnerability Management
Process scan registration requests for vulnerability scanning coverage
Handle requests for blocking via firewall in response to identified threats or vulnerabilities
Manage agent version upgrades across scanned endpoints and servers
Provide follow-up support to users on scanning, agent, and remediation issues
Verify the impact of ServiceNow patch applications and change requests on the vulnerability management environment
Prepare incident reports for vulnerability and threat management events
EDR Solution Management
Perform client verifications for EDR agent health and coverage
Manage ADFS certificate renewals
Support server deployment activities for EDR agents and related infrastructure
Coordinate AIS verification terminal version upgrades
Coordinate AWS golden image version upgrades
Perform supplier information verifications
Support group company terminal version upgrade activities
Prepare incident reports for EDR events
Required Qualifications
7+ years of experience in security operations, including substantial hands-on administration of the CrowdStrike Falcon platform — both Falcon Exposure Management (Spotlight) for vulnerability management and Falcon Insight (EDR/XDR) for endpoint detection and response
Experience with scan registration and coverage management within a CrowdStrike vulnerability management environment
Familiarity with firewall change/blocking request processes and coordinating with network security teams
Experience with Falcon sensor/agent version upgrades and lifecycle management across endpoints and servers
Experience providing end-user follow-up support for scanning, agent, and remediation issues
Working knowledge of ServiceNow for tracking patch management and change requests, including verifying downstream impact
Experience with EDR client/agent verification and troubleshooting across endpoints, servers, and terminals
Experience managing ADFS certificate renewals and related identity federation components
Experience supporting server deployments and endpoint agent installation
Experience managing AWS golden image version upgrades for endpoint agents
Experience verifying supplier/vendor information and coordinating terminal version upgrade support across group/affiliate companies
Experience drafting clear, accurate security incident reports
Strong attention to detail and ability to follow documented change/request procedures accurately
Excellent written and verbal communication skills for stakeholder coordination and inquiry handling
Business-level English proficiency (required)
Preferred Qualifications
Japanese language proficiency preferred, to support direct coordination with Japan-based stakeholders during Japan business hours
CrowdStrike certification (e.g., CCFA/CCFR)
Experience with ServiceNow Security Operations (SecOps) or Vulnerability Response modules
Experience with AWS infrastructure and golden image pipelines
Prior experience supporting a financial services or insurance client's security operations
Note: This role operates on a Japan-shift schedule to support real-time coordination with Japan-based stakeholders. Exact working hours, on-site/remote arrangement, and location will be confirmed based on project needs.
