HELENE MENSAH
Hyattsville,MD
Summary
Detail-oriented professional specializing in Cybersecurity, Database Administration, and Cloud Security. Expertise in Oracle and PostgreSQL database administration, AWS environments, and database security. Proven skills in performance tuning, backup and recovery, and vulnerability management, complemented by project experience in Python, Java, and SQL to deliver secure and reliable technology solutions.
Overview
2
2
Languages
1
1
Certification
11
11
years of professional experience
Work History
SECURITY ANALYST / CLOUD SECURITY SUPPORT
Lamdark CyberTech
09.2023 - Current
- Monitored AWS security using IAM, CloudTrail, CloudWatch, GuardDuty, and Security Hub supported least privilege, access control, encryption, and secure configuration.
- Supported NIST RMF-aligned activities including security requirements, control implementation, risk assessment, security documentation, continuous monitoring, and POA&M tracking.
- Facilitated FedRAMP-oriented security and compliance activities by providing control evidence, documenting risks, tracking remediation, and supporting continuous monitoring.
- Delivered ISSO-related support by creating security documentation, tracking controls, collecting compliance evidence, conducting security reviews, and identifying risks.
- Provided ISSO-related support through security documentation, control tracking, compliance evidence collection, security reviews, and risk identification.
- Monitored AWS security through IAM, CloudTrail, CloudWatch, GuardDuty, and Security Hub to enforce least privilege, access control, encryption, and secure configurations.
ORACLE & POSTGRESQL DATABASE ADMINISTRATOR
CVS Health
01.2022 - 08.2023
- Administered Oracle and PostgreSQL databases across development, QA, staging, and production environments, supporting availability, performance, and data integrity.
- Executed backup and recovery, upgrades, performance tuning, database security, user/role administration, and access-control activities to ensure robust data protection and system reliability.
- Facilitated PostgreSQL replication, optimized queries, managed indexing, and resolved troubleshooting issues; utilized SQL and PL/SQL for efficient database operations and automation.
- Managed AWS database environments including RDS and Aurora PostgreSQL, ensuring compliance with IAM, encryption, monitoring, and secure access protocols.
ORACLE & POSTGRESQL DATABASE ADMINISTRATOR
U.S. Bank
01.2019 - 12.2022
- Administered Oracle and PostgreSQL databases across Dev, QA, Staging, and Production environments, maintaining backup/recovery, data integrity, and performance.
- Performed Oracle RMAN, Data Guard, Data Pump, RAC, performance tuning, and PostgreSQL replication and database optimization activities.
- Managed schemas, indexes, views, partitions, users, roles, privileges, and access controls to ensure data security and integrity.
- Automated recurring administration tasks using Bash and Cron, enhancing efficiency of SQL, PL/SQL, and PostgreSQL query optimization.
- Supported high-availability and disaster-recovery environments through replication, failover, backup validation, and recovery procedures, ensuring minimal downtime.
DATABASE & IT SUPPORT
T&N
03.2016 - 12.2019
- Delivered technical and database support, troubleshooting access and system issues to ensure data integrity and availability.
- Facilitated access practices by implementing security protocols to safeguard information., documentation, system troubleshooting, and protection of confidential information.
- Self-motivated, with a strong sense of personal responsibility.
- Worked effectively in fast-paced environments.
- Skilled at working independently and collaboratively in a team environment.
Education
MASTER OF SCIENCE - Cyber Operations
University of Maryland Global Campus
College Park, MD05-2026
BACHELOR OF SCIENCE - Computer Science
University of Maryland Global Campus
College Park, MD08-2024
Skills
- NIST RMF
- FedRAMP
- ISSO assistance
- Security Controls
- POA&M
- Risk Management
- IAM
- GuardDuty
- CloudTrail
- CloudWatch
- Vulnerability assessment
- Security oversight
- Log review
- Threat Modeling
- Nmap
- Identity Verification
- Penetration Testing
- PostgreSQL
- Oracle
- RDS
- Aurora
- Redshift
- SDLC
- HID
Accomplishments
- Updated and maintained security documentation to support secure operations, compliance requirements, and protection against cybersecurity threats.
- Provided security recommendations and supported the evaluation of security controls, tools, and technologies to strengthen system and cloud security.
- Supported risk management activities by identifying security risks, documenting findings, and assisting with remediation and corrective actions.
- Performed database monitoring, troubleshooting, and analysis to identify potential security, performance, access, and availability issues.
- Implemented and supported backup, recovery, high-availability, and disaster-recovery procedures to protect data integrity and maintain system availability.
- Supported secure access practices by managing database users, roles, privileges, authentication, authorization, and access controls.
- Investigated security-related events, system activity, and potential indicators of compromise through security monitoring and digital forensics activities.
- Developed and supported security procedures based on least privilege, encryption, access control, logging, monitoring, and secure configuration principles.
- Documented and resolved database, system, and security issues through troubleshooting, root-cause analysis, remediation, and collaboration with technical teams.
Certification
AWS Certified Solutions Architect – Associate, Oracle Certified Professional (OCP), PostgreSQL 13 Associate
Section name
- 202-706-1384
- HYATTSVILLE, MD
INFORMATION SECURITY TRAINING
- Information security fundamentals
- GRC
- NIST RMF
- NIST security controls
- FedRAMP concepts
- Risk assessment
- Secure software development
- OWASP Top 10
- Vulnerability assessment
- Threat modeling
- Digital forensics
- Incident response concepts
- Security operations
- Cloud security
Personal Information
Title: CYBERSECURITY ANALYST | CLOUD SECURITY | GRC / RMF
Languages
English
Full Professional
French
Full Professional
Timeline
SECURITY ANALYST / CLOUD SECURITY SUPPORT
Lamdark CyberTech
09.2023 - Current
ORACLE & POSTGRESQL DATABASE ADMINISTRATOR
CVS Health
01.2022 - 08.2023
ORACLE & POSTGRESQL DATABASE ADMINISTRATOR
U.S. Bank
01.2019 - 12.2022
DATABASE & IT SUPPORT
T&N
03.2016 - 12.2019
MASTER OF SCIENCE - Cyber Operations
University of Maryland Global Campus
BACHELOR OF SCIENCE - Computer Science
University of Maryland Global Campus