Cyber Fusion and Threats Analyst

Leidos is seeking a Cyber Fusion and Threats Analyst to protect mission-critical systems for government and commercial clients. In this hybrid role near Reston, VA, you will analyze security events, correlate threat intelligence, and respond to complex cyber incidents in a collaborative fusion center environment. Responsibilities include triage, containment, and remediation support; developing threat reports and IOCs; and refining detection content and playbooks. You'll work with cross-functional teams, leverage advanced tools, and stay current on adversary TTPs to support national security and critical infrastructure missions.

Responsibilities

• Monitor and analyze security events from multiple sources to identify cyber threats and intrusions.

• Correlate intelligence, logs, and network data to build a comprehensive threat picture.

• Conduct incident triage, containment, and remediation in coordination with SOC and engineering teams.

• Produce threat reports, indicators of compromise, and recommendations for risk mitigation.

• Support development and tuning of detection rules, playbooks, and automation workflows.

• Collaborate with government and commercial stakeholders to support mission-critical operations.

• Stay current on adversary TTPs, emerging vulnerabilities, and cyber defense best practices.

Required Skills

• Security Incident and Event Monitoring (SIEM)

• Network traffic analysis

• Threat intelligence analysis

• Incident response and containment

• Endpoint detection and response (EDR)

• Writing and tuning detection rules (e.g., SIEM queries)

• Malware and IOC analysis

• Scripting/automation (e.g., Python, Power

• Shell)

• Knowledge of MITRE ATT&CK framework

• Vulnerability assessment and risk prioritization