Tier 2 Security Operations Center (SOC) Analyst

Leidos•Alexandria, VA

23h•Onsite

About The Position

Leidos is seeking experienced Tier 2 Security Operations Center (SOC) Analysts to support the Defense Manpower Data Center (DMDC) CyberPRIMES program. The Tier 2 SOC Analyst will perform advanced analysis of cybersecurity events escalated from Tier 1 or identified through enterprise monitoring capabilities. This position will correlate security data, determine the scope and potential impact of suspicious activity, support incident triage and containment, preserve evidence, and coordinate with incident responders and other cybersecurity teams to protect DHRA systems and networks. The DHRA Information Technology (IT) environment includes approximately 15,000 network and endpoint devices supporting more than 600 Government-Off-The-Shelf (GOTS) applications and approximately 100 Risk Management Framework (RMF) authorization boundaries managed through the Enterprise Mission Assurance Support Service (eMASS). The Tier 2 SOC Analysts operate within a 24x7 security operations environment responsible for detecting, analyzing, escalating, and supporting response to cybersecurity activity affecting DHRA systems and networks. Tier 2 analysts provide the deeper technical analysis required when events cannot be resolved through I Initial Tier 1 triage.

Requirements

BS degree or equivalent and 2+ years of prior relevant experience, or a Masters with less than 2 years prior relevant experience. In lieu of degree, additional experience may be required.
Experience performing cybersecurity event analysis, SOC operations, cyber defense, incident triage, or security monitoring.
Experience analyzing and correlating alerts from multiple cybersecurity monitoring capabilities.
Experience investigating endpoint, network, user-activity, or other cybersecurity events.
Experience determining the scope, severity, and potential impact of suspicious cybersecurity activity.
Experience supporting cybersecurity incident escalation, containment, mitigation, or evidence preservation.
Experience using enterprise security-analysis or cybersecurity monitoring tools.
Experience performing Tier 2 cybersecurity troubleshooting.
Working knowledge of cybersecurity attack techniques, network-security concepts, endpoint security, event analysis, and incident-response processes.
Ability to document investigations, findings, actions, and conclusions clearly and accurately.
Ability to work effectively within a team-based 24x7 security operations environment.
U.S. Citizenship required.
Active Secret security clearance required.

Nice To Haves

Experience supporting a Department of Defense or Federal Security Operations Center.
Experience working in a 24x7 SOC or Cybersecurity Service Provider environment.
Experience with Security Information and Event Management (SIEM) platforms and enterprise cybersecurity monitoring tools.
Experience analyzing endpoint, network, identity, user-activity, intrusion-detection, or other cybersecurity telemetry.
Experience supporting cybersecurity incident response and digital-evidence preservation.
Experience tuning security alerts, detection logic, or monitoring capabilities to reduce false positives and improve detection quality.
Experience developing or refining SOC procedures, playbooks, or escalation criteria.
Experience with cybersecurity mitigation, compliance checking, or security testing.
Familiarity with Department of Defense cybersecurity requirements and Risk Management Framework processes.
Familiarity with DHRA, DMDC, or comparable Department of Defense enterprise environments.

Responsibilities

Perform advanced analysis of cybersecurity events escalated from Tier 1 analysts or identified through endpoint, user-activity, network, and other enterprise monitoring capabilities.
Correlate alerts, security telemetry, and supporting technical data to determine the nature, scope, severity, and potential impact of cybersecurity activity.
Distinguish legitimate activity, false positives, policy violations, suspicious behavior, and potential cybersecurity incidents.
Determine appropriate next actions based on approved SOC procedures, playbooks, and escalation criteria.
Recommend or initiate authorized actions to contain or mitigate identified threats.
Support cybersecurity incident triage, escalation, and containment in coordination with the incident-response team.
Preserve relevant technical evidence and supporting information required for further investigation and incident response.
Document investigative actions, analysis, findings, and conclusions in Government-approved systems.
Maintain complete and accurate event records, tickets, timelines, and supporting evidence.
Contribute to required SOC event reporting and operational status information.
Perform Tier 2 troubleshooting of cybersecurity tools, alerts, security data, and related technical issues.
Use approved Commercial-Off-The-Shelf (COTS) security-analysis tools to investigate cybersecurity events.
Support security testing, mitigation activities, and cybersecurity compliance checking as required by SOC operations.
Coordinate analysis with incident responders, network engineers, endpoint-security personnel, cybersecurity-tool teams, system administrators, and other cybersecurity stakeholders.
Identify recurring false positives, detection gaps, or ineffective alerting and recommend improvements to monitoring and detection capabilities.
Support tuning of cybersecurity monitoring capabilities to improve detection accuracy and analyst effectiveness.
Contribute to SOC procedure, playbook, and process improvements based on operational experience and lessons learned.
Support knowledge transfer across SOC analysts to improve consistent analysis and response within the 24x7 operating environment.