Incident Response It Support

Jeremy Smith

Spanish Fort, AL 251-***-****

http://linkedin.com/in/jszerotrustops *******@******.*** Security Advisor

Identify Security Gaps & Deploy Advanced Tools & Initiatives through Team Building & Management Extensive experience designing, implementing, and optimizing enterprise security solutions across diverse IT environments. Proven ability to lead incident response initiatives, enforce regulatory compliance (PCI DSS, HIPAA), and architect Zero Trust frameworks to safeguard critical assets. Excel at collaborating with cross-functional teams to communicate complex security concepts, drive risk mitigation strategies, and ensure seamless business continuity. Align cybersecurity initiatives with organizational goals through proactive leadership and strategic execution methods.

Core Competencies

− Network Security & Monitoring

− IT Infrastructure & Operations

− Risk Mitigation & Incident Response

− Database Fundamentals

− Cloud Fundamentals (Azure)

− Identity Management

− Regulatory Compliance & Audits

− Enterprise IT Support

− Security Platforms (CyberArk, Cisco ASA Graylog, PRTG)

− Project & Issue Management (ServiceNow, Jira)

Experience

ELEVANCE HEALTH, Norfolk, VA

Security Engineer 2022 - 2025

Led enterprise-wide deployment of Illumio across all subsidiaries and improved network segmentation. Directed incident response initiatives via ServiceNow ITSM to diagnose and resolve Illumio-related issues.

● Achieved 99.99% system uptime on 24/7 on-call support for Illumio infrastructure and continuous Zero Trust security services availability across critical environments.

● Automated illumio VEN installation across 500+ workloads (windows/linux) using powershell from WDS server

● Generated pairing script(from PCE) - retrieved token, Prepared installation script - embedded token/PCE details into PS script, ensure each VEN pairs using token, checking logs vial workload API tool to confirm VENs connected/operational.Hands-on approach to configure workload segmentation policies via illumio PCE API, test/monitor/implement network security policy, performed traffic analysis, planned move to Full enforcement.

● With strong knowledge of security best practices, enhanced and enforced security protocols aligned to compliance frameworks, such as PCI DSS and HIPAA, resulting in 100% audit pass rate and reduced regulatory risk.

● Facilitated stakeholder engagement and technical training sessions, delivering tailored Illumio solution briefings and ensuring 100% adoption rate of new policies across IT and security teams.

● Reduced lateral movement risk by over 60%, strengthening overall Zero Trust security architecture.

● Oversaw onboarding and access provisioning, including Active Directory account creation, and CyberArk integration with Illumio PCE, accelerating deployment timelines 25%.

● Expanded technical expertise by cross-training in Cisco ISE and Splunk, enhancing incident correlation capabilities and contributing to improved enterprise-wide threat visibility. TRUBRIDGE (CPSI), Mobile, AL

Network Administrator 2021 - 2022

Managed Cisco ASA firewalls and site-to-site VPNs for over 600 hospital locations and collaborated with IT teams to ensure secure connectivity, conduct burn-in configurations, and enforce compatibility standards across critical healthcare environments. Maintaining a secure flow of data to multiple locations internally and externally.

● Configured and maintained Cisco switches (IOS XE 17.x) including VLAN setup, firmware upgrades, TACACS+ authentication, log analysis, and configuration backups, enhancing infrastructure stability and reducing vulnerability exposure.

● Led incident response and change management processes, using internal ticketing systems, resolving network issues with 98% success rate, and coordinating regular patching and updates during scheduled maintenance windows.

● Provided 24/7 IT support, proactively diagnosing and resolving VPN and connectivity issues, resulting in 98% first-contact resolution rate and improving system reliability across all shifts.

● Utilized Jira for project coordination, streamlining change management approvals, tracking service requests, and ensuring compliance with internal ITIL-aligned procedures.

● Contributed to Group Policy administration, related to security, supporting user provisioning, group policy configuration, access control, and multi factor authentication on all accounts, which enhanced operational efficiency and security compliance.

● Assisted in successful migration to Microsoft Azure PaaS, identifying and documenting IT assets during transition from colocation data center, maintaining comprehensive SOPs, and troubleshooting documentation to support knowledge continuity.

TRUBRIDGE (CPSI), Mobile, AL

Network Operations Center Technician 2017 - 2022

Monitored system performance using EDR tools and Graylog, responded to threshold and aggregation alerts in real- time, escalated incidents for appropriate teams, and ensured rapid resolution and system integrity. Executed proactive network surveillance and issue resolution, identified potential problems before outages occurred, and ensured high availability for critical infrastructure across 2 data centers.

● Configured and maintained PRTG network monitoring for Cisco ASA VPN connections, enabling SNMP monitoring, setting up custom sensors, and implementing alert thresholds, which resulted in network uptime across hospital environments.

● Responded promptly on high-priority network alerts, followed standard escalation procedures, maintained detailed incident logs, supported root-cause analysis, and drove continuous improvement efforts.

● Collaborated with IT teams and external vendors to diagnose and resolve complex connectivity issues related to ISP and data center outages, improving issue resolution times and reducing mean time to recovery (MTTR) by 15%.

● Assisted in patch management and upgrade implementation, supporting senior network administrators with scheduled network changes, firmware updates, and hardware migrations, maintaining compliance and performance standards.

● Supported operational documentation, including update logs, monitoring configuration, and troubleshooting guides, influencing more efficient knowledge transfer and standardized operational procedures. Projects

● Built a virtual home lab on virtual box

Deployed network domain controller, windows 2022 server and six operational servers. Deployed onion server to limit exposure of critical services. Deployed wazuh to all VMs in the environment - setup EDR, vulnerability scan, logging aggregation of SIEM.

Still to come, vulnerability assessment and testing in the network.

● Next up A blog to follow my projects.

● Install OWASP juice shop in a network segment and learn techniques to exploit vulnerabilities. Education Certifications

− Graduate Certificate, Business Analytics, University of Phoenix, Phoenix, AZ

− Bachelor of Business Administration (BBA), Business Administration, University of South Alabama, Mobile, AL

− Certified Information Systems Security Professional (CISSP)

− CompTIA Network +

− Azure Fundamentals

− CompTIA Security +

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