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Senior Security Engineer - Crowdstrike

mosaic451 National Harbor, MD

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About the role

What You'll Do:

Lead cross-tool security engineering efforts, advising on best practices for closing detection and reporting gaps that span multiple platforms

Diagnose and resolve reporting and visibility gaps created when a tool in the environment is deprecated, replaced, or reconfigured — for example, reconstructing lost reporting coverage by combining endpoint telemetry with Splunk data

Design, implement, and document data flows and integration points across endpoint protection, SIEM, and other security tools supporting the program

Build and tune detection logic, correlation searches, and dashboards that hold up as individual tools in the stack change, are replaced, or are retired

Lead the technical transition work when a security tool is deprecated, replaced, or reconfigured, ensuring no loss of detection or reporting coverage

Integrate tools such as CrowdStrike, Splunk, Cribl, CyberArk, Suricata, Tenable, Tanium, Thales, CASB, Trellix, Axonius, and others to close cross-platform visibility gaps

Develop automation and correlation workflows using APIs across the security tool stack to reduce manual reporting and analysis work

Support threat hunting and incident response efforts that require correlating evidence across more than one tool or data source

Support endpoint and platform security compliance with NIST, FISMA, and agency-specific requirements

Maintain current, accurate documentation of tool configurations, data flows, and integration architecture across the stack

Serve as the team's point of contact for cross-tool security engineering issues

What You've Done:

Ability to attain DHS EOD

Master's degree or equivalent, plus 12 years of relevant experience

Demonstrated, hands-on experience across more than one security tool category (endpoint/EDR, SIEM, vulnerability management, network detection, or similar)

Hands-on experience with an EDR/endpoint platform (e.g., CrowdStrike Falcon) — administration, detection engineering, or response

Hands-on experience with Splunk (or an equivalent SIEM) — search, correlation searches, and dashboard/reporting development

Demonstrated experience correlating and integrating data across disparate security platforms to close a visibility, detection, or reporting gap

Scripting/automation proficiency (Python, PowerShell, or similar) for cross-tool data pipelines and API integrations

Experience owning a tool deprecation or migration without losing detection or reporting coverage

Effective communicator at all levels, both written and verbal

Professional, customer-oriented, and even-keeled under pressure

Preferred Qualifications:

Experience supporting federal agency security operations centers

Additional security certifications (CISSP, GIAC, Security+)

Experience with CrowdStrike's cloud workload protection capabilities

Knowledge of CISA directives and CDM program requirements

Background in threat hunting and advanced persistent threat detection

Experience with security orchestration and automation platforms

Familiarity with Zero Trust Architecture implementation

Work Environment:

Hybrid work model with 3 day/week on-site presence near National Harbor, Maryland

Must be able to pass a Federal background investigation - US Citizenship required

Participation in on-call rotation for security incident response

What We Offer:

401(k), including an employer match of 100% of the first 3% contributed and 50% of the next 2% contributed

Medical, Dental, and Vision Insurance (available on the 1st day of the month following your first day of employment)

Group Term Life, Short-Term Disability, Long-Term Disability

Voluntary Life, Hospital Indemnity, Accident, and/or Critical Illness

Participation in the Discretionary Time Off (DTO) Program

11 Paid Holidays Annually

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