Cybersecurity & Systems Administration Specialist

TOLU REMY AKINRINOLA

CYBERSECURITY ENGINEER & ANALYST SYSTEM ADMINISTRATION

ACTIVE TS/SCI CLEARANCE U.S. CITIZEN

Location: Columbus, OH Email: ************@*****.*** Phone: +1-614-***-**** LinkedIn

PROFESSIONAL SUMMARY:

Accomplished Cybersecurity Engineer & Analyst with over 5 years of experience securing enterprise networks, cloud systems, and mission-critical infrastructure across government and private-sector environments. Expert in threat detection, vulnerability assessment, incident response, and system administration, with proven success in designing, implementing, and maintaining secure architectures aligned with NIST, ISO 27001, and DoD 8570 frameworks. Skilled in leveraging tools such as SIEM, ACAS, Nessus, and AWS Security Hub to detect, mitigate, and respond to cyber threats in real time. Adept at collaborating across technical and leadership teams to strengthen security compliance, risk management, and operational resilience. Recognized for strategic problem-solving, technical precision, and a commitment to continuous improvement in both classified and commercial environments.

TECHNICAL SKILLS & TOOLS:

Cybersecurity & Risk Management: Threat Detection & Response, Vulnerability Management, Intrusion Detection (IDS/IPS), Incident Handling & Forensics, Risk Assessment & Mitigation, Security Information & Event Management (SIEM), SOC Operations, Identity & Access Management (IAM), Security Hardening, Data Loss Prevention (DLP), Endpoint Security, Penetration Testing

Governance, Compliance & Frameworks: NIST 800-53, ISO 27001, SOC 2, CIS Controls, DoD 8570, RMF (Risk Management Framework), POA&M Documentation, A&A (Assessment & Authorization), Audit & Compliance Reporting, Security Policies & Standards

Cloud & Infrastructure Security: Amazon Web Services (AWS), Microsoft Azure, Google Cloud Platform (GCP), Cloud Security Posture Management (CSPM), Virtualization (VMware, Hyper-V), Network Security (Firewalls, VPNs, IDS/IPS), TLS/SSL Management, Configuration Management, Zero Trust Architecture, DevSecOps Integration

Operating Systems & Administration: Windows Server, Linux (Ubuntu, CentOS, Red Hat), Active Directory (AD), Group Policy Management, System Imaging & Encryption, Patch Management, Configuration Baseline Enforcement, Shell Scripting (Bash, PowerShell)

Tools & Technologies: Nessus, ACAS, Wireshark, Splunk, QRadar, Nagios, OMD, Qualys, Burp Suite, Nmap, Metasploit, AWS Security Hub, ServiceNow, JIRA, GitHub, Microsoft Office 365 Suite

Programming & Automation: Python, JavaScript, HTML/CSS, PowerShell, Bash, SQL, Scripting for Security Automation & Log Analysis

Business Continuity & Operations: Disaster Recovery, Incident Response Planning, Business Continuity Management, Threat Intelligence, Security Awareness & Training, Cross-functional Team Leadership

PROFESSIONAL EXPERIENCE:

Truist Financial

Role: Cybersecurity Engineer/Analyst November 2024 - Present

Lead enterprise-wide security initiatives, executing threat detection, incident response, and vulnerability management across hybrid cloud and on-prem environments.

Implement and maintain SIEM (Splunk) dashboards, correlation rules, and automation playbooks to improve detection accuracy and reduce false positives by 25%.

Performed advanced threat hunting and log analysis using Splunk and network forensics tools to identify and remediate previously undetected attack vectors, improving threat detection coverage by 20%.

Conduct risk assessments and security control testing in alignment with NIST 800-53, ISO 27001, and SOC 2 frameworks, ensuring continuous compliance.

Collaborate with DevOps and infrastructure teams to integrate DevSecOps pipelines and enforce least-privilege IAM policies across AWS and Azure.

Perform endpoint security configuration, patch management, and forensic analysis to mitigate high-severity vulnerabilities.

Contribute to security awareness training and internal phishing simulations, improving employee incident reporting by 40%.

Deliver executive-level reports and threat briefings summarizing incident trends and mitigation progress.

Amazon Web Services (AWS)

Role: Data Center Security Engineer June 2023 – October 2024

Conducted proactive security audits, infrastructure assessments, and compliance reviews for AWS data center operations.

Developed and maintained custom monitoring dashboards and automation scripts for high-severity alert tracking and escalation.

Partnered with engineering and compliance teams to implement security reference architectures, reducing risk exposure across multiple regions.

Oversaw access management, TLS certificate compliance, and endpoint security enforcement across AWS global facilities.

Role: Data Center Technician October 2021 – May 2023

Supported daily operations of AWS data centers, including server deployment, maintenance, and troubleshooting.

Executed patch management and system hardening to maintain compliance with internal and DoD security standards.

Performed root-cause analysis of system outages, ensuring high availability and operational continuity.

U.S. Army Reserve

Role: Intelligence Analyst (TS/SCI Clearance) February 2024 – Present

Collected, analyzed, and disseminated intelligence data to support operational decision-making and threat mitigation.

Monitored geospatial and cyber threat intelligence systems to assess adversary capabilities and intent.

Delivered intelligence briefings to command staff, improving situational awareness and mission readiness.

Royal Executive

Role: System Administrator 2011 – 2016

Configured and maintained Windows, Linux, DHCP, DNS, and Samba servers, ensuring secure and reliable network operations.

Utilized Nagios and OMD to monitor server performance, availability, and system health metrics.

Implemented network and data backup solutions to ensure operational resilience.

U.S. Army

Role: Petroleum Supply Specialist 2014 – 2022

Managed logistics, inventory, and supply chain operations for petroleum products across multiple units.

Ensured compliance with safety and environmental protocols while maintaining accurate order tracking in GCSS-Army.

Awarded the Army Good Conduct Medal and Global War on Terrorism Service Medal for operational excellence.

EDUCATION:

Master of Science in Cybersecurity — 2025

Northern Kentucky University – Highland Heights, KY

Master of Science in Biotechnology — Pursuing

Johns Hopkins University – Baltimore, MD

Bachelor of Science in Biology — 2017

The Ohio State University – Columbus, OH

Certificate in Software Development (Full Stack) — 2023

Amazon Career Choice / Flatiron School

CERTIFICATIONS:

CISSP (Certified Information Systems Security Professional) — In Progress

AWS Certified Cloud Practitioner — In Progress

CISM (Certified Information Security Manager)

CEH (Certified Ethical Hacker)

CompTIA Security+ CE

CompTIA A+

Azure Administrator Associate (Microsoft Certified)

Certified Network Defender (CND) Architect

ITIL v4 Foundation Certification

AWARDS & RECONGNITIONS:

National Defense Service Medal: Honored for dedicated service and contribution to national defense readiness.

Army Good Conduct Medal: Recognized for exemplary behavior, efficiency, and fidelity during active service.

Global War on Terrorism Service Medal: Awarded for direct support and contribution to global counterterrorism operations.

Army Service Ribbon: Received for successful completion of initial entry training and demonstration of professional excellence.

Military Achievement Commendations: Acknowledged for consistent performance, mission-critical support, and adherence to military cybersecurity protocols.

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