Jonathan Jon A.

About Jonathan Jon A.

Proven leader with extensive experience in Cybersecurity, IT infrastructure, and strategic planning. Adept at transforming chaotic environments into structured, efficient organizations. Demonstrated ability to lead cross-functional teams, manage complex projects, and drive compliance with regulatory and industry standards. I adopt a risk-based approach to collaborate with business leaders and stakeholders, addressing high-impact risks and vulnerabilities. By leveraging industry best practices, frameworks, and regulatory requirements, I develop risk reduction strategies that balance security, usability, and cost. My proactive measures in detecting suspicious activity, conducting risk assessments, and managing vulnerabilities prepare organizations to navigate the evolving threat landscape.With a deep understanding of regulatory compliance and industry standards such as ISO 27001, NIST, and HITRUST, I have developed and enhanced Information Security programs that ensure organizations meet regulatory requirements and maintain industry standards. By working closely with business leaders, I translate business goals into actionable security strategies that drive innovation and provide a competitive edge.I build and nurture high-performing teams by fostering a positive and collaborative work environment. As a trusted advisor, I communicate complex security concepts clearly and provide strategic recommendations for informed decision-making. My strong IT background allows me to bridge the gap between business needs and technical implementation, ensuring seamless integration of security measures.Specialties: Information Security, Cybersecurity, Security Incident Response, Healthcare, Systems Management, Additive Manufacturing, B2B/B2C/B2E e-Commerce, Field Services, Distribution, Software Development, Residential/Commercial Real Estate Investment.

Experience

1. Sr Information Security Engineer

   Jackson Walker LLP

   Mar 2025 — Present · Dallas, TX, US

   Led incident response and risk management, advising CISO and executive leaders for Texas\' oldest and largest law firm, named to the 2026 Best Law Firms by Best Lawyers, servicing thousands of clients in 67 different practice areas with 6 offices and 2 data centers. Incident responder for phishing, malware, and ransomware campaigns, including IOC integration and blocklist management. Developed and executed testing and validation plans for security projects. Collaborated with IT and legal teams to ensure compliance with GDPR, HIPAA, and client security requirements. Managed privileged access, conditional access, and implemented secure credential rotation used by services. • Reduced ransomware exposure by 30% through integration of 100+ IOCs into Defender XDR and Palo Alto infrastructure, strengthening enterprise threat posture. • Implemented Microsoft Purview for auto-labeling and DLP, enabling secure AI adoption and ensuring compliance with regulatory mandates. • Hardened Active Directory environment and responded to credential-dumping attempts, mitigating insider and external threats. • Designed vendor risk assessment templates, ensuring critical partners meet security standards and reducing third-party breach risk. • Automated IP threat list updates, improving response time by 40% and reducing manual workload, driving operational efficiency.

Education

• Orange Coast College

  Psychology

Skills

• Balance Sheet
• Integration
• Proposal Writing
• Business Process
• Virtualization
• Hyper-V
• Strategic Partnerships
• System Deployment
• Itil
• Iscsi
• Architectures
• Linux
• Microsoft Technologies
• Wan Optimisation
• Databases
• Disaster Recovery
• Storage Area Networks
• General Ledger
• Networking
• Balanced Scorecard
• Active Directory
• Hardware
• Business Analysis
• Nas
• Data Center
• IT Strategy
• Strategy
• Microsoft Exchange
• E-Commerce
• Sharepoint
• Saas
• Security
• Enterprise Software
• San
• Microsoft Sql Server
• Windows
• Field Service
• Cloud Computing
• IT Operations
• Software Development