24/7 Threat Detection & Response Analyst

X4V Rapid7 LLC; Arlington (VA); On-site; USD 85,000 - 115,000; Full time

Job summary

Rapid7 in Virginia is hiring a Detection & Response Analyst to identify, investigate, and respond to security threats across customer environments. You will work within a 24/7 MDR context to safeguard endpoints, identities, cloud, and networks.

Responsibilities include analyzing alerts, following MITRE ATT&CK frameworks, documenting findings, and coordinating with senior analysts to deliver timely remediation actions and insights for customers.

Qualifications

• 2–4 years in cybersecurity operations, IT security, or related SOC role.
• Foundational understanding of attacker tactics, techniques, and procedures (TTPs).
• Experience with Windows and Linux OS logs and processes.
• Ability to produce clear investigation reports and timelines.
• Familiarity with MITRE ATT&CK to classify events.

Responsibilities

• Identify, investigate, and respond to security threats across endpoint, identity, cloud, and network telemetry.
• Analyze alerts to identify attacker behavior and determine escalation paths.
• Investigate standard incidents such as malware infections and unauthorized access attempts.
• Collaborate with senior analysts and Incident Response Consultants on larger engagements.
• Document findings with timelines and remediation steps aligned to MITRE ATT&CK.
• Communicate findings to customers and refine detection logic with the team.
• Maintain SLAs for alert triage and investigation quality.

Skills

SOC operations

MITRE ATT&CK

SIEM

EDR

NDR

Windows

Linux

Tools

SIEM

EDR

NDR

Job description

Rapid7 in Virginia is hiring a Detection & Response Analyst to identify, investigate, and respond to security threats across customer environments. You will work within a 24/7 MDR context to safeguard endpoints, identities, cloud, and networks.

Responsibilities include analyzing alerts, following MITRE ATT&CK frameworks, documenting findings, and coordinating with senior analysts to deliver timely remediation actions and insights for customers.