Cybersecurity Triage Analyst

MANTECH; Lorton (VA); On-site; USD 70,000 - 100,000; Full time

Job summary

MANTECH in Lorton, VA is seeking a Cybersecurity Triage Analyst to provide full-time support to a DoD customer. The role focuses on initial triage, analysis of threats, and escalation of incidents to protect critical infrastructure.

The ideal candidate holds a DoD IAT Level 2 certification, experience in security operations, and proficiency with querying languages and SIEM tools. Top-secret clearance with SCI eligibility is required.

Qualifications

• Bachelor’s degree with 2 years in security operations or substitute 2 years for degree.
• DoD 8570/8140 IAT Level 2 certification.
• Experience with querying languages (KQL/SQL/SPL).
• Experience protecting networks against external and insider threats.
• Experience with SCAP vulnerability scans.
• Familiar with CVE tracking and remediation.
• Fundamental understanding of cloud security (Azure/AWS/GCP).

Responsibilities

• Monitor, triage, and review incidents; escalate when needed.
• Ensure health of signal ingestion and alert processing.
• Daily security checks of tools to maintain health.
• Lead or participate in incident investigation, response, remediation, and documentation.
• Perform root-cause analysis and escalate complex issues.
• Support investigations of malicious actions, IOC remediation, insider threats.

Skills

Query languages (KQL, SQL, SPL)

Security operations

Incident response basics

Threat management

Education

Bachelor’s degree or equivalent experience

Tools

Splunk Enterprise

HBSS

ACAS

Microsoft Sentinel

SIEM

SOAR

XDR

Vulnerability management

Job description

MANTECH is seeking a motivated, career and customer-oriented Cybersecurity Triage Analyst to join our team in Lorton, VA.

As a SOC Cybersecurity Triage Analyst, you will be responsible for providing full-time support to a large enterprise Department of Defense customer. The coreresponsibility is to conduct initial triage and analysis of cyber threat reports andalerts to protect infrastructure and data. This role involves monitoring alert queuesfor sensitive assets and known attacker campaigns, performing automated andmanual remediation of adverse events, and ensuring the health of signal ingestionacross Microsoft and third-party tools. The Analyst will work closely with other teams to escalated incidents and recommend improvements to response techniquesand automation playbook.

Responsibilities Include But Are Not Limited To

• Alert Prioritization and Triage: Focuses on the monitoring, initial triage,managing, and reviewing incidents to assess their urgency, and escalatingincidents if necessary.
• Signal Ingestion Health: Monitors and diagnoses the health of signalinggestion to ensure that alerts are properly received and processed.
• Daily Security Checks: Performs daily checks of security tools to maintainthe health and functionality of security tools.
• Incident Investigation, Response, and Remediation: Conducts andparticipates in initial investigation, incident response, remediation, anddocumentation of security incidents and enforces cybersecuritypolicies/SOPs.
• Root-Cause Analysis and Escalation: Performs initial root-cause analysis toreconcile technical details (5Ws) obtained from various sources. Escalatesincidents for advanced investigation and remediation for more complexissues.
• Triage analysts may be involved in various investigation types includingmalicious adversarial actions, common IOC remediation, Insider ThreatInquiries.

Minimum Qualifications

• Bachelor’s degree and at least 2 years of hands-on experience in security operations, incident response, or cybersecurity threat management. An additional 2 years of experience may be substituted in lieu of a degree.
• Current DoD 8570/8140 IAT Level 2 certification
• Fundamental experience and proficiency with querying languages (KQL, SQL, SPL, etc.).
• Knowledge and/or experience protecting network environments againstexternal and insider threats.
• Experience completing and analyzing SCAP Vulnerability scans.
• Familiarity with Common Vulnerabilities and Exposures (CVE) tracking andremediation.
• Fundamental understanding of security in cloud environments (e.g. Azure, AWS, GCP, Oracle).

Preferred Qualifications

• Fundamental understanding of advanced persistent threats (APT) andassociated tactics, attack frameworks (e.g., MITRE ATT&CK, Cyber KillChain), credential compromise techniques, technology and securityprinciples, and knowledge of the cyber threat landscape.
• Knowledge or experience with Splunk Enterprise, HBSS, ACAS, MicrosoftSentinel, or similar tools.
• Hands-on experience with SIEM, SOAR, XDR, and/or enterprise vulnerability management tools.
• CSSP Analyst Certifications highly desired (Ex. GCIA, GCIH, Cloud+, CEH)

Clearance Requirements

• Must have an current/active Top-Secret Clearance with SCI Eligibility.

Physical Requirements

• Sedentary Work