Christopher S. Email & Phone Number

- Contracted to Centene as a Security Systems Engineer: Maintain Check Point Firewall, BlueCoat Proxy, Data Loss Prevention, & Security as it relates to their Federal Space.- Building site to site VPNs for admin locations, call centers, and business customers, while also creating VLANs, static routes, ACLs and IPS rules with Checkpoint and Cisco ASA Firewalls. - Implement various web proxy exceptions such as SL, DLP, web authentication and allowing or restricting access to various internet sites.- Following guidelines and security procedures for both federal and commercial PHI, PII and HIPPA standards/environments.- Utilize Forcepoint and Proofpoint for various exceptions and security for email and expanded DLP rules.- Prepare and document standard operating procedures and protocols for various tools and applications.- Provide production support for 50,000+ users in web and email security.- Responsible for schedule, test, and implement enhancements or new releases of the server Operating Systems- Work with senior/lead system engineers to solve complex issues and to understand and implement IT infrastructure designs and roll-outs

- Technology Services Consultant: Working independently to fully deploy Carbon Black software at customer sites.- Collect and document technical requirements from customers and configure the Carbon Black software to work within the capabilities of the application for those requirements. - Review the configuration decisions with the customer and provide expertise and guidance on best practices.- Provide in-depth onsite and remote technical guidance to new Carbon Black customers to ensure a successful implementation.- For small and medium engagements, perform project management functions including, but not limited to, project planning and definition, project scheduling, tracking status, and project completion reporting.- Responsible for best practices material development and maintenance in concert with Carbon Black product releases.- Work collaboratively in a cross functional team including Engineering, Product Management, Partner Operations, Professional Services, and sales.- Work as a remote employee with limited travel.

Greater St. Louis Area

- Information Security Architect: Responsible for GSEC and Security Awareness for all of ICL. - Senior Network Security Engineer (8/16-8/17): Tier III Network and Security support for maintenance and projects oriented, related to StealthWatch, RSA, MFA, Check Point SandBlast, PortNox, Checkpoint FW, BlueCoat, CyberArk, DMVPN and any LAN and WAN upgrades and optimization.- Project planning of network and security configuration and documentation of IT security standards, policies and procedures.- Provided Network and Security health assessments, optimization, Traffic analysis using Netflow to identify any security or network related issues, such as: Botnet, Malware, DDOS, UDP/TCP network scanning, BW and QoS (DSCP) utilization, to ensure a more robust, reliable and secure network.- Network Design: WIFI optimization and upgrades, DMVPN, IPsec Hub and Spoke backup solutions, Data Center and Site locations LAN and WAN implementation.- Designed, configured and implemented Cisco ASA firewalls to provide higher physical security between Business and ICS/Manufacturing networks.- Configured clustered and standalone firewalls to increase network security posture.- Configure Cisco switches, routers and firewalls for implementation in a manufacturing environment.- Ensure monitoring of network systems, and compliance to standards, policies, and procedures- Participated in daily operations to close incident tickets before SLAs expired.

Scott Afb, Il

- Cyber Security Engineer: Served as a member of the Cyber Security Team and part of a Cyber Protection Team (CPT), evaluating network and security management capability across the Air Force (AF) Enterprise and Defense Information Systems Agency (DISA), including any additional related Department of Defense (DoD) networks that may directly affect their performance or security posture.- Provided Network and Security health assessments and optimization services in order to identify ways to make the AF and DISA network management and LAN more robust, reliable and secure. - Specific tasks include: Establish a set of baseline network configuration criteria that can be used to assess the health of network transport, security, and management capabilities that is reflective of DoD, DISA and AF operational expectations. - Analyze routers, load balancers, firewalls and switches for DISA STIG (Similar to PCI and NIST) compliance as well as industry best practices.- Assist in building and maintaining tools for rapidly discovering, collecting, storing, analyzing, and reporting information from network devices. - Develop and maintain configuration guides that detail the proper configuration settings, tasks, and procedures for the AF network management services including: configuration and securing of routing protocols such as OSPF, EIGRP and BGP, VTP, optimizing Spanning Tree and VLAN gateway placement, traffic analysis using NetFlow, redundancy such as HSRP, VRRP, and GLBP, and centralized access control administration such as TACACS+. - Collect and analyze military network infrastructure data with commercial and custom built tools and imported information into a centralized database for analysis.- Ensure network management and monitoring software is configured to accurately reflect status of the network while maintaining optimal performance and ensuring security.

Greater St. Louis Area

- Network Engineer (July 2014 - September 2014): Within the network performance group, working Tier 1 projects, monitored traffic flows, and created CO’s to modify the network.- Manager (June 2012-July 2014): Over EHI Network Operation Center, with 13 direct reports. Managing the Day to Day operations for 30 Network Administrators.- Escalation point of contact for all of EHI network including Enterprise, National and Alamo Rent-A-Cars.- Sr. Network Administrator (July 2007 – June 2012): Installed, supported, and maintain network infrastructure for a corporate LAN and WAN environment, using test equipment and management systems to identify, isolate, and correct network outages and problems. - Monitor and Troubleshoot network connectivity, performance and health problems by performing the following duties: Install, configure, and maintain Routers, Firewalls, VPN Concentrators, Server Load Balancers (SLB), Multi-Layer Ethernet Switches, Virtual Servers (VMware), DNS Admin for network devices, ISA/TMG Admin, Web Logic, Riverbed and other communication hardware in the datacenter, Internet and Campus environments, including local Administrative sites and Branches. - Implements approved software and hardware upgrades to existing equipment, effecting changes to network Access Control Lists (ACL), Routing, Authentication, SLB, DNS, IP Assignments and other related network configurations.- Configure and use proprietary and SNMP-based network management systems to reflect network topology, generate event/alarm information, and collect network statistics.- Perform scheduled preventive maintenance to ensure network reliability and identify abnormal activities. - Provides technical documentation and support to operations staff.