Christopher R. Email & Phone Number

San Diego, California, United States

San Diego, California, United States

Provide strategic vision of security ventures to CISO and collaborate with Information Security Enterprise Architects.Collaborate with CISO and Information Security Enterprise Architects with emerging technologies.Solely architect, build and manage the Splunk Enterprise infrastructure of a large enterprise consisting of more than 25,000 hosts.Solely supporting the Splunk Roles and Responsibilities as the Splunk Architect, Splunk Developer, Splunk Engineer, Search Expert, Knowledge Manager, and User Community at Scripps Health.Develop and implement detection capabilities with the enterprise to detect cyber threats using MITRE DeTT&CT. Perform Gap Analysis using MITRE DeTT&CT and MITRE ATT&CK TTP mapping. Using the enrichment of MITRE D3FEND and ENGAGE to bridge the gap for blue teaming towards strategic defender's goals.Participates, collaborate and engage cross-functionally with Information Services Teams.Develop custom Splunk Apps and Dashboards for Data Exfiltration, NetFlow, Potential C2C, Dynamic DNS Detections, and Splunk Enterprise monitoring to name a few.Provide guidance for Security event alerting and hardening of systems.Project involvement with EDR, NDR, micro segmentation, and SIEM solutions.Knowledge and experience with Corelight NDR architecture.Experience with CIS Top 18, NIST 800-53, MITRE ATT&CK, HIPAA, PCI, and CMMC.Developed the standardization of IPSec site-to-site VPN tunnels at Scripps Health.Act as a mentor to mid-level, junior security engineers and security analysts on wireless ethical hacking, leveraging a troubleshooting methodology, how to delay or stop lateral movement, defense-in-depth architecture, trend analysis and root cause analysis.Provide recommendations and implement solutions to remediate or mitigate cyber threats.Developed a Structure Active Threat Hunting methodology.Co-lead Incident Commander with CISO during Cyber attack.Performed Incident Response and Incident Handling during Cyber attack.

San Diego, California, United States

Subject Matter Expert for Enterprise Wireless LAN.Support the enterprise network that consists of 53 routers and 385 network switches. Configure, install and troubleshoot various Cisco routers.Configure, install, and troubleshoot Layer 2 and Layer 3 Cisco switches from the Catalyst series.Configure and install various Nexus series switches. Configure, install, and troubleshoot various Cisco ASA 5500 series firewalls.Configure, implement and troubleshoot Site-to-Site VPN's.Plan, design, implement, maintain, and troubleshoot wireless networks to meet the business needs of a large enterprise.Support the enterprise campus wireless network that consists of Arube Wireless LAN Controllers and Wireless Access Points.Configure, install, and troubleshoot various Aruba Wireless LAN Controllers.Support the enterprise remote-ap network deployment.Conduct RF Site Survey, Predictive Site Survey and Post RF Survey for Aruba Wireless Network deployments.Navigate and utilize Cisco Identity Services Engine (ISE) to troubleshoot TACACS login issues.Plan, design, implement, and manage Cisco routing, switching, and firewall equipment. EIGRP, Static Routes, and Vlans. Implement, monitor and manage of WAN routing using DMVPN, IPSEC, and EIGRP. Knowledge and experience with security hardening of Aruba Wireless LAN Controllers, Cisco Routers, Cisco switches, and Cisco ASA firewalls.Manage and troubleshoot the Pulse Secure Corporate VPN.Design and draw Visio diagrams of the enterprise WAN, Data Center, and special networks.Support network monitoring tools such as Lancope/Cisco Stealthwatch, Statseeker, AKiPS, NetBrain, Whats Up Gold, Solarwinds Orion, Cisco ISE, and Aruba Networks Airwave.Manage the Cisco SmartNet maintenance and life cycle replacement for the enterprise network.

Arcadia, California, United States

Project involvement for the initial launch of Computerized Physician Order Entry (CPOE) through the enterprise, including Pharmacy eMAR integration.Manage Citrix front end, Desktop Director, Vergence Vault Administrator, vSphere, XenApp5 upgrades, and XenDesktop5.Provide front end support for various healthcare applications.Build and maintain Cisco Layer 2 to the edge network environment.Build and maintain Cisco VoIP Unified Communications Call Manager Solution.Implementation of security hardening of Cisco switches.Build, maintain and operate SolarWinds network management software.Develop network Visio diagrams, documentations, and procedures.Setup and troubleshoot UNIX and Microsoft Server 2003 print queues.Project involvement of migrating from Novell to Windows XP on the client and server side.Analyze and troubleshoot computer end user issues.Analyze and troubleshoot various malware/spyware/virus infections.Maintain and troubleshoot Dell Desktop series machines.Maintain UNIX and Windows Server backups for enterprise servers.Manage and maintain various armband devices and printers throughout the enterprise.

Los Angeles, California, United States

Provide technical support to vendors worldwide within a Colocation call center environment.Analyze and troubleshoot Windows NT/2000/2003, UNIX, and Red Hat Linux Enterprise systems.Analyze and troubleshoot DS-1, DS-3, and OC level cross connect circuits.Troubleshoot hardware and software within IBM eServers, Dell, Sun, VA Linux 1000 servers, Cisco routers and VoIP gateways.

Anaheim, Ca

Terminate, tone, and test Cat5 and Cat3 cables in accordance to EIA 568 A/B standards. Trace test Fiber Optics.Experience with wiring telephone jacks, multi-jacks, and network wall plates.Cross-connect voice lines on the IDF to the MDF. Cross-connect Cat5 patches to the Cisco 2600 series switches.Troubleshoot Nortel multi-line phones concerning polarity.Assist with the programming of the Nortel Meridian 1 system.

San Diego, California, United States

Install, monitor, maintain, and troubleshoot High Pressure and Low Pressure Air Compressor systems.Install, monitor, maintain, and troubleshoot Distilling Plants to provide potable water to the Navy vessel.Monitor, maintain, and troubleshoot Detroit Diesel generators.Monitor, maintain, and troubleshoot shipboard Air Conditioning and Refrigeration systems.Monitor, maintain, and troubleshoot Auxiliary Propulsion Units.Monitor, maintain, and troubleshoot Aft Steering Unit.Conduct 8 and 12 hour engineer watches.

Bachelor Of Science, Telecommunications Management

Cisco Certified Network Associate

Comptia Network+ Certified