Information Assurance Analyst with Active DoD Clearances

ARNOLD YAOVI DJOSSOU

INFORMATION ASSURANCE ANALYST

ACTIVE CLEARANCE:

DOD Interim Top Secret

DOD Secret

email: ******.*******@*****.***

EDUCATION:

Bachelor of Science in Cybersecurity

California Institute of Art and Technology (CIAT), San Diego, CA,2025 Bachelor of Science in Civil Engineering

Ecole Supérieure des Ponts et Chaussées, Lomé, Togo, 2017 Associate degree in Network Concentration

CIAT, San Diego, CA, 2023

Certificate in Cybersecurity and Networking

CIAT, San Diego, CA, 2022

CERTIFICATIONS:

• CompTIA Security+ (DoD 8570 - IAT Level II) • AWS Certified Cloud Security

• CompTIA Network+ • AWS Cloud Security (in progress)

• CompTIA A+ • Red Hat Linux System Admin I

• ACAS Operator • CompTIA IT Operations Specialist (CIOS)

• CCNA (in progress) • CompTIA Secure Infrastructure Specialist (CSIS) TECHNICAL SKILLS:

Security Tools: SIEMs tools, Trellix Endpoint Security (ESS), ACAS (Nessus), Ansible, HBSS, Retina, Splunk, STIG and NIST framework, Wireshark, Nmap.

Systems Administration: Red Hat Linux-Ubuntu, Windows Server 2019, Active Directory, GitHub. Networking: TCP/IP, DNS, DHCP, VPN (Cisco AnyConnect), Firewall configuration and rules. Cloud Platforms & non-SOE software: AWS, Azure, Microsoft 365, MS Project, Adobe Acrobat, VMs PROFESSIONAL EXPERIENCE:

Cyber Security Analyst / ESS Admin April 2025-Present Epsilon, Inc / American Systems Manassas, VA

- conducted continuous monitoring and vulnerability management using ACAS, STIGs, and SIEM integration, enhancing compliance with DoD cybersecurity standards and improving audit readiness

- Developed and implemented 25+ Splunk use cases and correlation searches aligned with NIST AU-2 requirements, enabling real-time detection of suspicious logon activity, privilege escalation, and file access across Linux and Windows systems.

- Automated system hardening and configuration management with Ansible playbooks, streamlining patch deployment and compliance enforcement across Linux and Windows environments.

- Designed and enforced Data Loss Prevention (DLP) policies to safeguard sensitive data, implementing rules for email, endpoint, and network channels to prevent unauthorized transfers and ensure compliance with organizational and regulatory standards.

Linux System Administration (RHEL-Ubuntu) / Information System Security Officer (ISSO) New Direction Technology Inc. (NDTI) February 2024 – April 2025

• Managed and maintained Host-Based Security System (HBSS) infrastructure, including policy configuration, deployment, and continuous monitoring to ensure compliance with DoD security standards

• System Administration & Troubleshooting: Administered and supported Red Hat Linux servers and Windows systems, resolving complex technical issues using tools such as CMTrace, Event Viewer, and PowerShell in collaboration with senior engineers.

• Configured and managed Trellix Endpoint Security (ENS) and ePolicy Orchestrator (ePO) to enhance endpoint protection and threat detection, by enabling threat prevention and Exploit prevention.

• Vulnerability Management: Conducted vulnerability scans using ACAS/Nessus and follow STIGs guideline to lower CVSS scores, patching systems to meet stringent Government security standards and elevating the organization's security posture.

• Compliance & Audit Support: Supported IT audits and assessments to enforce cybersecurity compliance initiatives (STIG), adhering to Government-mandated controls to support a secure and ready audit infrastructure and RMF.

• Cybersecurity Incident Response: Managed command-wide cybersecurity incidents, using tools like Splunk, and Nessus to detect and mitigate suspicious activity while ensuring data spillage prevention during digital transfers across networks.

• IT Asset & Lifecycle Management: employee onboarding and offboarding by provisioning and securely managing hardware, software, and system access, while keeping a correct inventory of all IT assets.

• Access Control & Monitoring: Enforced on-premises security protocols, verified employee badges, and managed incident reporting to ensure a secure and compliant environment with DOD guideline.

• Technical Support: Provided IT support for Active Directory, troubleshot hardware issues, and managed daily IT support tasks, building a solid foundation in network and security administration. Information System Specialist

United States Navy - Seabee 2019 - 2024

• IT Security Management: Implemented and managed security protocols to safeguard data and ensure compliance with industry standards and organizational policies.

• Engineering Aide: Led 3 Navy infrastructure upgrade project (OCONUS and CONUS), overseeing the deployment of new IT systems and ensuring seamless integration with existing infrastructure to enhance operational efficiency.

• Project Coordinator: Managed cross-functional teams, enforced project timelines, and applied OSI model principles and system hardening techniques, delivering the project two weeks ahead of schedule while improving system performance.

• Administered and configured ACAS (Nessus) to conduct vulnerability scanning, compliance assessments, and generate detailed security reports for enterprise-wide risk management. Store Shift Supervisor

Panera Bread 2017 - 2019

PROJECTS & LABS

1. Deployed a Raspberry Pi 5 as a NAS server using Samba and OpenMediaVault, providing file sharing across multiple devices.

2. Configured RAID-like redundancy with external USB drives to ensure data availability. 3. Managed network traffic using a Cisco Catalyst 2960 switch, applying VLAN tagging and QoS for efficient data flow.

4. Enhanced security with security system rules, port filtering, and SSH hardening, restricting unauthorized access.

VOLUNTEER WORK

Lead Election Worker - Santa Paula Center

Secured and supported e-pollbook systems, ensuring efficient and correct voter check-ins. SAPRVA Tier I Representative - Fairfax, Virginia

Delivered training on workplace safety and provided confidential support to personnel in crisis. (OSHA 30 certify)

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