David Crenshaw Email & Phone Number

Jacksonville, Fl, Us

Jacksonville, Fl, Us

Jacksonville, Fl, Us

Washington, Dc, Us

 Conducted Security scans for organization Assist with creating branch roles based on Security Operations and Engineering experiences Provided consultation of security tool implementations Conduct compliance reviews of production systems (Routers, Switches, Servers, Workstations, VM Host machine, Load Balancer, Linux endpoints, and Endpoint security configuration) Provide updates to senior leadership regarding system posture Managed personnel Current Security Clearance

Jacksonville, Florida, Us

 Assisted with the successful transition of the SIEM Acted as the primary power user of Splunk for Security Operations Built many operational features in Splunk including custom apps for threat hunting, inventory querying, incident handling, management reporting, and event correlation. Assist with the deployment and maintenance of many security tools supporting Security Operations and Compliance Conduct threat analysis of escalated alerts. Provide project statistics to senior management. Automate reconciliation of devices to ensure accurate reporting and to identify security tool coverage gaps. Participate in FS-ISAC threat intelligence briefings. Perform on call duties for the Information Security Operations team as the primary Incident Responder.

Jacksonville, Fl, Us

Frankfurt Am Main, Hessen, De

 Responsible for monitoring Arcsight real-time and network intrusion detection alerts with efficient and accurate actions. Analyze data to determine infection vectors recommend control strings for internal alerting. Played a key role, as a subject matter expert, in developing workflows on multiple security events. Communicate within a global security incident management team. Assist in managing effective response to major security incidents. Provide training to team members on reading snort rules, Arcsight channel manipulation, regular expressions, standardized Splunk queries, tactical incident profiling, and malware handling. Conduct Static Analysis of suspicious URLs and files. Present threat analysis to management. Built resourceful relationships and a keen understanding of the CISO/COO teams of Deutsche Bank.

Responsible for managing various IT projects including: installing, maintaining, analyzing, troubleshooting, and repairing individual PC workstations and peripherals. Add new users, manage groups, and assign permissions in active directory. Replace hard drives, motherboards, and other computer components. Update and install Windows 8,7, Vista, and Microsoft Office suites. Troubleshoot network connectivity issues.

Responsible for configuring and maintaining businesses to include workstations, networking devices, and security devices. In this role I have become familiar with Barracuda security devices, Dell Sonicwall security devices, Netgear Prosafe network devices, and Aruba access points. The networks I manage have allowed me to grow my Information Security education by minimizing the attack surface and monitoring network traffic. Aside from the Securities aspect of Information Technology I have worked with and become familiar with Windows 7, Windows 8, Windows 8.1, Windows Server 2008, Windows Server 2008 R2, Windows Server 2012, and Windows Server 2012 R2.

Tampa, Fl, Us

Traveled to customers business site to troubleshoot connectivity issues with network and printers. Provided extraordinary customer service to customers. Installed and configured multi-function copiers to print, copy, scan to SMB, scan to email and scan using file transfer protocol. Updated firmware and print drivers to multi-function copiers.

New York, Ny, Us

Bachelor Of Science (B.S.), Information Systems And Cyber Security

Associate Of Science (As), Network And System Administration/Administrator

Supervision And Management