Lead Security Engineer
Core
Lead incident response and security assessments for a global real estate data and marketplace platform.
Role type
Lead Security Engineer (Incident Response & Security Operations)
Builds
Incident response capabilities, security tool integrations, and threat hunting practices for the CoStar Enterprise.
Domain
Real Estate Information / Cybersecurity
Deliverable
production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work
Required skills
Incident response coordination, vulnerability scanning, security tool orchestration, network security assessment, application security assessment, database security assessment, threat hunting, automation scripting, log forensics, security configuration management
Preferred skills
Microsoft Security tooling (Defender, Sentinel, EOP), technical documentation, cross-functional collaboration
Technologies
Windows Server 2012/2016/2019, Active Directory, Perl, Python, PowerShell, Mitre Att&ck
Responsibilities
Oversee incident response activities and ensure timely resolution; lead technical security assessments for existing and acquired businesses; facilitate incident response tabletop exercises; drive incident response strategy using Mitre Att&ck frameworks; develop platform automations for threat response; audit infrastructure and coordinate remediation; examine logs with forensic depth to identify security incidents; develop and mature threat hunting practices; collaborate on network and endpoint security configuration procedures.
Seniority
Senior, hands-on IC with leadership responsibilities