Marcus Chen
Verified3 Skills CertifiedOpen to RolesSOC Analyst (Tier II) → Security Engineer
Cybersecurity professional with hands-on experience in threat detection, incident response, and cloud security. Building toward a security engineering role with a focus on detection automation and zero-trust architecture.
Skills
+ 3 additional skills pending validation
Phishing Campaign Analysis & Reporting
Mapped TTPs to MITRE ATT&CK and blocked targeted campaign.
CISSP (Associate)
Earned ISC² CISSP Associate credential.
AWS Multi-Account Security Hardening
Achieved 97% CIS benchmark compliance across 12-account AWS org.
Penetration Testing Fundamentals
Scored 85% on penetration testing methodology assessment.
Enterprise SIEM Detection Pipeline
Built multi-stage detection pipeline reducing MTTD by 82%.
Enterprise SIEM Detection Pipeline
Designed and implemented a multi-stage detection pipeline integrating Splunk with SOAR playbooks, reducing mean-time-to-detect from 45 minutes to under 8 minutes for critical alert types.
Reduced MTTD by 82% across Tier 1 alert categories
Incident Response Playbook Automation
Built automated playbooks for phishing, malware, and unauthorized access scenarios. Integrated with ticketing and communication systems for consistent escalation workflows.
Standardized IR across 6 playbook types with 94% SLA compliance
AWS Multi-Account Security Hardening
Led security hardening across a 12-account AWS organization including GuardDuty, Security Hub, Config rules, and IAM boundary policies aligned to CIS benchmarks.
Achieved 97% CIS benchmark compliance across all accounts
Phishing Campaign Analysis & Reporting
Analyzed a targeted spear-phishing campaign, mapped TTPs to MITRE ATT&CK, produced executive-ready threat briefing, and implemented detection rules preventing recurrence.
Identified and blocked campaign with zero follow-on compromise
CompTIA Security+
CompTIA
CompTIA CySA+
CompTIA
AWS Certified Security – Specialty
Amazon Web Services
CISSP (Associate)
ISC²
Ransomware Incident Response
Respond to an active ransomware infection across endpoints in a hybrid environment. Contain the spread, preserve forensic evidence, coordinate escalation.
Contained within SLA, preserved evidence chain, produced incident report
Cloud Breach Investigation
Investigate unauthorized access to an AWS environment through compromised credentials. Trace lateral movement, assess data exposure, remediate.
Traced full attack path, identified data exposure scope, applied remediation
Insider Threat Detection
Identify anomalous behavior patterns indicating potential insider threat. Correlate across SIEM, DLP, and identity logs.
Correctly identified threat actor, documented evidence, proposed controls
SOC Analyst Tier II Acceleration
Comprehensive path covering advanced triage, correlation, threat hunting, and incident escalation for mid-level SOC analysts.
Cloud Security Fundamentals
Foundation path for cloud security concepts, IAM best practices, and compliance alignment across major providers.
GRC Practitioner
Structured path through governance, risk, and compliance frameworks with hands-on assessment mapping and audit preparation.
AI INSIGHT
Candidate Summary
Marcus is a strong mid-career cybersecurity professional with validated expertise across Security Operations, Cloud Security, and GRC. His proof portfolio demonstrates consistent growth in detection engineering and incident response, with hands-on cloud security work that maps directly to Security Engineer and Detection Engineer roles.
COVERAGE
Skill Coverage by Domain
ACTIVITY
Proof Activity Timeline
Color dots indicate proof types: Skill ValidationCertificationAssessmentProjectSimulationLearning Path
PERFORMANCE
Simulation Scores
Ransomware Incident Response
Above average (avg: 91)
Cloud Breach Investigation
Above average (avg: 91)
Insider Threat Detection
Near average (avg: 91)
SIGNALS
Strength Signals
Strongest in Detection
AI8 proof items and 3 projects link directly to threat detection and SIEM operations. This is Marcus's deepest area of validated expertise.
Cloud-Ready
AIAWS specialty certification plus hands-on multi-account hardening. 97% CIS benchmark compliance across a 12-account organization.
Consistent Growth
AI15 proof items submitted in the last 6 months with increasing complexity. Activity spans projects, simulations, certifications, and learning paths.
This portfolio is generated and by QuickStart
quickstart.com/portfolio/marcus-chen