Cloud SOC / Security Specialist
Position Overview
Responsible for building, operating and maintaining information security monitoring capability (Cloud SOC) for infrastructure and applications — from asset management, log/telemetry, configuration, to detection, investigation and incident response. Receive escalations from NOC when there are information security-related indicators, serve as the security point of contact in the operating model before escalating to the DevSecOps/Vendor team.
Key Responsibilities
- Build and maintain a complete, continuously updated Cloud asset inventory, identify owners and scope of impact for each asset.
- Establish mechanisms for recording and tracing activities of users, service accounts and access rights; analyze when escalations come from NOC or anomalies are detected.
- Build, operate centralized log collection pipeline from critical sources; periodically verify completeness and integrity of logs according to State Bank of Vietnam (NHNN) regulations.
- Build mechanisms for recording network traffic to support in-depth investigation, determine routes and scope of spread when incidents occur.
- Build and maintain mechanisms for managing, recording and controlling changes to resource configuration and security policies; trace change history for investigation and audit purposes.
- Identify catalog of events/behaviors to be monitored, build and refine detection rules used by NOC for daily monitoring.
- Prepare complete data and context to support incident investigation.
- Receive escalations from NOC, coordinate handling of information security incidents, coordinate with relevant operations/development teams.
- Collect, preserve evidence, record the entire handling process and prepare post-incident reports.
- Build incident reporting procedures and periodic reports on information security status for relevant stakeholders.
Required Skills & Experience
- 2–4 years of information security experience, including hands-on experience in security operations/SOC/blue team roles
- Experience using/operating SIEM/SOAR tools (Splunk, Elastic Security, Microsoft Sentinel or equivalent).
- Understanding of AWS monitoring/security services: CloudTrail, CloudWatch, GuardDuty, Security Hub, Config, IAM Access Analyzer.
- Experience building/managing asset inventory and configuration change tracking mechanisms in Cloud environments.
- Knowledge of log management, network traffic analysis (VPC Flow Logs) and critical log sources in digital banking systems.
- Experience building anomaly detection use cases (detection rules) and alert classification/prioritization procedures.
- Experience coordinating/participating in information security incident handling, including evidence collection and post-incident report writing.
- Knowledge of MITRE ATT&CK, NIST CSF; preferably knowledge of State Bank of Vietnam (NHNN) information security regulations and PCI DSS.
Additional Advantages (Nice-to-have)
- GCIH, GCFA, AWS Certified Security – Specialty, Microsoft SC-200, or CISSP (Associate) certification.
- Experience working in banking/finance industry or fields with high compliance requirements.
- Basic knowledge of digital forensics (DFIR) is an advantage.
