Ketsyaris Bracetty-Rosario
Fayetteville
Summary
IT Systems Specialist with a solid track record in enhancing uptime and security within high-stakes environments. Achieved 99.9% system availability and reduced vulnerabilities by 40% through proactive management and incident response. Skilled in identity lifecycle operations, maintaining compliance across classified systems while improving user provisioning efficiency.
Overview
2
2
Languages
1
1
Certification
7
7
years of professional experience
Work History
Information Technology Specialist
Army
Fayetteville
07.2019 - Current
- Managed identity lifecycle operations (IAM) for 5,000+ users, provisioning/deprovisioning accounts across NIPR/SIPR environments with <24-hour turnaround, ensuring 100% compliance with access control policies.
- Enforced least privileged access controls, reducing unauthorized access risk and maintaining zero security violations across NIPR and SIPR classified systems.
- Administered and secured 50+ Linux/Windows servers and endpoints, performing system hardening, patching, and backup validation to maintain 99.9% system availability across mission-critical infrastructure.
- Automated administrative and security tasks using Bash and PowerShell scripting, reducing manual workload by 30–40% and improving response time for account and system changes.
- Monitored and analyzed 500+ daily security events/logs using Splunk and network monitoring tools, identifying anomalies and supporting rapid incident response (<1 hour detection time).
- Led incident response and remediation efforts, reducing system vulnerabilities by 40% and improving overall security posture across supported units.
- Provisioned and managed 1,000+ secure authentication devices (SIPR tokens, mobile devices, and computers), maintaining 100% accountability and compliance with DoD security standards.
- Ensured 99.9% uptime across mission-critical systems supporting 5,000+ personnel by proactively managing system health and coordinating recovery procedures during outages.
- Served as sole COMSEC Custodian for 5,000+ soldiers, generating compliance reports, tracking remediation actions, and maintaining 100% accuracy with zero discrepancies during recurring DoD inspections and audits.
- Trained junior team members on system procedures and operational workflows, enhancing team efficiency in ticket resolution and system support tasks.
IT/Cybersecurity Student
Great Horizons Career Centers
Cary
01.2025 - 04.2026
- Configured and secured 20+ AWS cloud resources (EC2, S3, IAM), implementing automated backup policies, least privilege access controls, and monitoring for backup job failures and offsite transfer verification.
- Implemented IAM roles and policies across cloud environments, improving access governance and reducing privilege escalation risks in lab simulations.
- Monitored infrastructure using CloudWatch, analyzing 300+ daily log events to investigate backup alerts and detect anomalies, supporting remediation workflows across VM and database backup configurations.
- Designed and deployed 5+ segmented VPC architectures, improving network isolation and reducing attack surface exposure by 30% in simulated environments.
- Completed 300+ hands-on labs across 6 certification tracks in <90 days, accelerating technical proficiency in cloud, IAM, and security operations.
- Executed system recovery tasks to validate effectiveness of backup solutions and improve reliability. and failover testing scenarios, debugging application startup issues and validating recovery procedures, enhancing incident response and remediation efficiency in lab exercises.
- Performed packet analysis during security assessments, identifying potential vulnerabilities in network traffic. and monitoring using Wireshark and Splunk, identifying and mitigating multiple simulated threats per lab cycle.
- Installed and troubleshot systems for 20+ users, achieving 95% first-time resolution rate and minimizing downtime.
- Integrated REST API-based tools for system monitoring and automation workflows, streamlining operational processes.
Education
Bachelor of Science - Cybersecurity & Technology
University of Maryland Global Campus
Adelphi, MD05-2025
Bachelor of Science - Physics
United States Military Academy
West Point, NY01-2022
Associate of Arts - Biochemistry
College of Central Florida
Ocala, FL05-2019
Skills
- Identity lifecycle management
- Disaster recovery planning
- Incident Response
- Risk management
- Backup Monitoring & Alerting
- RTO/RPO management
- VM backup operations
- CloudWatch
- EC2
- S3
- AWS
- Azure
- Windows
- Linux
- MacOS
- Active Directory
- Network Monitoring
- Network Mapping
- TCP/IP
- DNS
- VPNs
- Wireshark
- Splunk
- Scanning
- Monitoring
- BASH
- PowerShell
- Ansible
- Python
- Authentication management
- OAuth 20
- OpenID Connect (OIDC)
- SAML 20
- SCIM
- LDAP
- Technical documentation
- System hardening
- IT security compliance
- RMF
- NIST 800-53
- Automation scripting
- Incident coordination
- Cybersecurity skills
- IT security compliance
- Incident coordination
- Cybersecurity skills
Certification
- CompTIA Security+, 01/20
- Lean Six Sigma Green Belt, 02/26
Languages
English
Native/ Bilingual
Spanish
Native/ Bilingual
Timeline
IT/Cybersecurity Student
Great Horizons Career Centers
01.2025 - 04.2026
Information Technology Specialist
Army
07.2019 - Current
Bachelor of Science - Cybersecurity & Technology
University of Maryland Global Campus
Bachelor of Science - Physics
United States Military Academy
Associate of Arts - Biochemistry
College of Central Florida