Alexander Keeling

Systems Engineer & Cybersecurity Specialist
Altamonte Springs, US.

About

Highly resourceful and analytical IT professional with over 8 years of progressive experience in systems engineering, cybersecurity, and technical support. Specializes in infrastructure optimization, global security posture enhancement, and complex problem resolution. Expertly drives cross-team collaboration and process efficiencies, consistently delivering precise, high-impact solutions that safeguard critical systems and improve operational continuity.

Work

Ravago Americas
|

Systems Engineer

Orlando, FL, US

Summary

Led critical systems engineering initiatives to optimize infrastructure, ensure operational continuity, and enhance security for a global enterprise, driving significant efficiency gains and cost reductions.

Highlights

Developed and maintained a comprehensive documentation library with over 40 standardized procedures, improving onboarding time for new engineers by 30%.

Directed the integration of 3+ newly acquired company systems, successfully migrating terabytes of data to SharePoint with zero data loss.

Analyzed IT procedures of acquired companies, aligning infrastructure and ensuring 100% operational continuity during transitions.

Troubleshot and resolved complex network security issues using Cato SASE and Palo Alto Panorama, reducing recurring incidents by 20%.

Managed and optimized enterprise wireless networks via Aruba Central, supporting 1,200+ end users with reliable connectivity.

Spearheaded the migration of on-premises AS/400 (IBM iSeries) to a cloud-hosted environment, enhancing system stability and reducing support costs by 15%.

Ravago Americas
|

Help Desk Support Tier 2 / Security Analyst

Orlando, FL, US

Summary

Provided advanced technical support and concurrently managed critical cybersecurity operations, safeguarding systems and data while enhancing user education and operational efficiency.

Highlights

Investigated and contained endpoint threats using CrowdStrike and Intune Admin Center, successfully reducing endpoint vulnerabilities by 35%.

Acted as first responder for phishing and email-based attacks, containing incidents within 15 minutes on average and preventing large-scale compromises.

Analyzed Proofpoint TAP alerts, leveraging VirusTotal and Any.run to validate threats, preventing delivery of malicious content to 1,000+ users.

Authored 50+ knowledge base articles and contributed to global security documentation, decreasing duplicate support requests by 25%.

Trained and mentored 100+ employees on phishing detection and incident identification, improving company-wide reporting of suspicious emails by 40%.

Partnered with Legal and HR on 20+ confidential compliance investigations, ensuring robust data protection and regulatory adherence.

Resolved complex Exchange server and A/V issues for executive leadership, ensuring zero downtime during 50+ high-profile meetings annually.

Refresh Computers
|

Repair Technician

Orlando, FL, US

Summary

Delivered comprehensive technical repair services and managed daily store operations, consistently achieving high customer satisfaction and contributing to repeat business.

Highlights

Completed 50+ monthly virus/malware removals, hardware upgrades, and OS re-installations, ensuring full data backup and successful system restoration.

Boosted customer satisfaction by providing clear, tailored recommendations for laptops, desktops, and peripherals, resulting in consistent repeat business.

Independently managed daily store operations, handling an average of 15-20 customer transactions per shift while balancing repair work and sales.

Education

The University of Central Florida
Orlando, FL, United States of America

Bachelor of Science

Information Technology

Certificates

Microsoft Certified: Azure Fundamentals

Issued By

Microsoft

Certified Ethical Hacker

Issued By

EC-Council

Skills

Programming Languages

CSS, Java, JavaScript, PowerShell, PHP, Python, C, C++, HTML.

Cloud & Virtualization

Azure Active Directory, Oracle VirtualBox, VMware Workstation Player, vSphere, Cloud Migration.

Cybersecurity & Tools

CATO SASE, Palo Alto Panorama, Acronis True Image, Malwarebytes, BitDefender, Proofpoint, TeamViewer, CrowdStrike, Intune Admin Center, VirusTotal, Any.run, Microsoft 365 Defender, Endpoint Security, Incident Response, Threat Analysis.

Operating Systems & Platforms

Windows, Mac, Android, iOS, Microsoft Exchange, Microsoft Office, Endpoint Manager, AS/400 (IBM iSeries), SharePoint, Aruba Central.

IT Operations & Support

Systems Engineering, Technical Support, Network Security, Documentation, Process Optimization, Cross-functional Collaboration, Troubleshooting, Data Migration, Infrastructure Alignment, Wireless Networks, User Support, Endpoint Vulnerability Management, Phishing Detection, Compliance Investigations, Knowledge Management.

Projects

Diversity Committee Member

Summary

Contributed to fostering an inclusive work environment and promoting diversity initiatives within Ravago Americas.