Security Monitoring / SIEM Analyst

DecisionPoint | Cortek•,

5d•Remote

About The Position

DecisionPoint seeks a Security Monitoring / SIEM Analyst to support enterprise cybersecurity operations within a federal and DoD-aligned mission environment. This role provides continuous monitoring of security events, log analysis, threat detection, and incident escalation in order to protect mission-critical systems. The analyst will review SIEM alerts, correlate data across multiple log sources, assess anomalous behavior, and support the investigative process for potential threats. The Security Monitoring / SIEM Analyst plays a critical role in maintaining situational awareness, enhancing detection capabilities, and strengthening cyber defense through proactive log analysis and coordination with incident response and engineering teams. This position is fully remote.

Requirements

Must hold an active Top Secret clearance, supported by a Tier 5 background investigation.
Bachelor’s degree in Information Security, Information Technology, Digital Forensics, or a related field.
Minimum 5 years of experience in security monitoring, SOC operations, threat analysis, or cybersecurity investigation.
Experience analyzing logs and events from SIEM platforms.
Experience identifying suspicious activity, anomalous behavior, or indicators of compromise (IOCs).
Experience correlating data from multiple systems to assess potential threats.
Experience documenting findings and escalating incidents to senior cybersecurity staff.
Strong understanding of SIEM platforms, log aggregation tools, and event correlation.
Knowledge of common attack vectors, threat behaviors, and MITRE ATT&CK techniques.
Familiarity with DoD cybersecurity monitoring, continuous monitoring principles, and incident escalation.
Knowledge of logs produced by operating systems, firewalls, authentication systems, and cloud platforms.
Security+ certification.
Strong analytical, investigative, and problem-solving abilities for assessing security events.
Excellent written and verbal communication skills for summarizing findings and documenting incidents.
Ability to operate in a fast-paced SOC environment and manage multiple active investigations.
High attention to detail for reviewing logs, identifying anomalies, and escalating confirmed threats.
Ability to collaborate effectively with other cybersecurity, engineering, and incident response teams.

Nice To Haves

Experience tuning SIEM correlation rules or creating new detection logic.
Experience with endpoint detection tools, threat intelligence platforms, or security orchestration workflows.
Familiarity with cloud log monitoring (AWS CloudTrail, GuardDuty, or equivalent).
CySA+ certification.
Additional DoD 8570/8140 cyber operations certifications.

Responsibilities

Monitor SIEM dashboards and event queues for suspicious or anomalous cybersecurity activity.
Correlate logs from multiple security data sources, including firewalls, endpoints, cloud services, and authentication platforms.
Investigate events and alerts to determine severity, threat likelihood, and required escalation paths.
Support information gathering and preliminary triage for cybersecurity incidents.
Analyze user activity, authentication logs, and system behavior for potential compromise indicators.
Assist with tuning SIEM rules, correlation logic, thresholds, and suppression patterns to improve detection accuracy.
Document security event details, timelines, and investigative findings.
Escalate confirmed or high-risk events to the incident response team with detailed analysis.
Maintain daily and weekly reporting on events, trends, and identified threats.
Participate in continuous monitoring and security operations cycles aligned with DoD RMF requirements.
Contribute to the creation and refinement of SOC playbooks, detection use cases, and monitoring procedures.