Mark Davis Email & Phone Number

Reston

Reston, Virginia, United States

Boston, Reston, Salt Lake City

Contract development for a unix/rtos realtime project in c++ and python-3.

Salt Lake City, Ut

Providing firewall change analysis and design strategy assistance to lines of business worldwide - primarily using Check Point, Cisco Security Manager, LogLogic, FireMon, sh, nawk, sed, and Regular Expressions.

Salt Lake City, Ut For Blue Bell, Pa

Configuring secure network architectures for Federal Government clients using various firewall devices. Installing Provider-1 / SmartDomain Manager servers..

Salt Lake City, Ut

Assisted banks accessing data and applications, with router configurations, access design, and project management on new and existing networks. Currently working with routers, operational changes, disaster recovery validation, and upgrades. I provide administration and operational changes to Cisco DMVPN, Check Point, Sophos, and occasionally, F5. I resolve network issues and access to databases, applications for file transfer, disaster recovery, and license upgrades with assistance in and out of the cloud.

Reston, Virginia, United States

FreeLance7, Information Security Engineer – (consultant), Installed DNSSEC, and public key infrastructure (PKI) with configuring multi-factor-authentication for Windows Server 2012 and Linux. Configured Cisco ASA and Check Point firewall layers securing existing datacenter infrastructure. Used tcpdump and WireShark to find issues with application-block size affecting the access performance of mid-tier-server, to the backend-databases. Increased LAN traffic throughput 12+ percent. Designed network/business analytics (extract/transform/load) using Python, Unix scripting, and Regular Expressions. Installed SQL Server 2012 Enterprise with Developer Extensions.

Salt Lake City, Ut And Charlotte, Nc

Provided firewall change analysis, and design strategy assistance to all lines of business, using VPN/firewall services: Using Cisco Security Manager, and Check Point’s SmartDomain Manager (Smart Dashboard / Provider-1) I supported a large banking firm. Reduced network complexity by decommissioning firewalls, policies, applications, servers, and routers – over 600 devices removed by a team of 5 in less than a year. Cleanup and upgrades were required following the acquisition of Wachovia Bank.

Security Audit -- Western Us Power Plants

Performed audits, and security assessments of digital control systems (DCS), supervisory control and data acquisition (SCADA) equipment, and on all “generation equipment” in accordance with Federal Energy Regulatory Commission (FERC) and North-American Electric Reliability Company (NERC) critical infrastructure protection standards (CIPS), electrical power-plant policies, and existing procedures. Automated the audit of syslog files, event log files, firewalls, routers, and switches from plant equipment per NERC-CIPS requirements. Files were text, raw binary data, automated reports, database reports, SQL queries, and scripts. Input files were aggregated, cleaned, and normalized for database import, from systems used in power generation and corporate infrastructure. Responsibility over syslog data, and event-log data from NIDS, HIDS, IDS, firewalls, routers, switches, servers, Pinnacle CCTV, and physical-access card-readers. Reported to Directors, Systems Administrators, Network Engineers, DBAs, and Developers with recommendations to remediate threats, and improve designs. External audit confirmed our success in minimizing security risks threatening the safety and continuity of the firm’s systems and networks. Analysis tools: Excel, MySQL queries, along with basic Unix tools like vi, ed, sed, awk, Perl, regular expressions, and unix shell scripts. Reporting tools: Unix, Perl, regular expressions, Toad queries made to MySQL, and DOS scripts used to organize output formats, and extend the functionality of tools like Microsoft’s Log Parser Toolkit, syslog, and MySQL reporting.

Salt Lake City, Ut And Blue Bell, Pa

Audited, designed, and supported secure network architectures for public, private and Federal Government customers using ArcSight, Check Point, ASA, Nokia, F5 BIG-IP, F5 FirePass, SourceFire, Snort, Nessus, FoundStone, Unix, Linux, and Windows solutions. Received Cisco “Advanced Security Training and Cisco “Designing High Availability Training.” Diagnosed communications issues (IP, TCP, UDP, VPN, and VRRP) between routers, switches, firewalls, and servers for both client and vendors. Resolved communications issues between VPN endpoints, web servers, applications servers, and databases. Assisted all technical levels of IT professionals with protocol and packet analysis using tcpdump, WireShark, windump, win-pcap, snoop, Nmap, Netcat, ArcSight, shell scripts, and Perl. Conducted forensic analysis, vulnerability assessments, and security audits for Unisys and its clients. Prepared statements of work, technical proposals, architecture reviews, remediation, incident responses, and disaster recovery procedures. Participated in consulting, network design, log collection, data cleaning / normalization, vulnerability scans, system inventory scans, and network traffic analysis scans. Our secured network designs run industries like Banking, Health Care, Telecommunications, Universities, and security functions for State and Federal Government contracts held by Unisys. Awarded Silver Recognition Awards for Security Services to GOIS Customers, and Eradicating Federal Threats, and Bronze Recognition Awards for Accuracy in Security Deliverables and for Accuracy Completing Client Requests.

Lindon, Utah

Installed and configured Check Point firewalls, Cisco routers, PIX firewalls, Cisco 3000 VPN-concentrators, and several HA solutions including large firewalls using Check Point, Sun, and Nokia hardware. Configured a full VPN mesh with 73 locations worldwide, provided day-to-day firewall configuration support both to customers and internally to the various sites, and WAN network design for over 90 additional VPN sites for online software licensing, credit-card authorization, DVD/CD authoring worldwide for Microsoft, HP, and Oracle/Sun. Configured Windows event logging, and Cisco, unix, and Linux, syslogging, Employed Nagios reporting, automated data exchange scripts, as well as automated router backup, and dual-boot disk scripting for Windows, Solaris and Linux. Administered three instances of Provider-1, configured StoneBeat FullCluster, iPlanet, DNS, and OpenView software for sites in Europe, Asia Pacific, North America, and Central America. Lead security projects involved in network design, security audits, systems scans, security remediation, and penetration testing, and in writing security policy and procedures. Certified in security-training courses for SANS, VeriSign, IP network analysis, Intrusion Detection (IDS), Intrusion Prevention (IPS), active/passive HA firewall configurations, and Check Point’s most advanced VPN/Security training.

Salt Lake City, Utah

Responsibility for performance and uptime of Sun Solaris, SGI IRIX, Linux, and IBM AIX servers for Visualization Databases, the board and chip simulations engines, as well as various corporate databases,. Managed switched fabric, fiber channel SANs, using both Cisco and Brocade switches for both Unix and Windows servers. Managed Sendmail, DHCP, DNS, NIS, Check Point Firewall-1, HP OpenView, WebSense, Samba, FTP, and Oracle applications on Linux, Solaris, Windows operating systems, and VLSI simulation servers running real-time simulations for chip/board layout. Designed and administrated multi-terabyte disk SAN and NAS subsystems used by UNIX and Windows servers. Worked closely with Oracle DBAs on installation, upgrades, performance tuning, throughput monitoring, and many areas of Oracle Database Administration. Attended Sun, Check Point and SANS Security Conferences for Intrusion Detection, High Availability (HA) networking, HA routing, and HA VPN design, HA firewall design and attended specialized IPSEC, ITIL Incident, Problem, Change and Configuration Management coursework as well as attending two Check Point VPN encryption training sessions. Solved NAS/SAN backup issues for unix, Windows, and Legato Backup on HPUX, IRIX, Solaris, Windows, and AIX.

Salt Lake City, Utah

Administered Rasterizing Image Processors servers at various US locations. Supported a proprietary compiler written in c and PostScript for publishing personalized documentation and books on ultra-high-speed IBM duplexing roll-fed printers. Administered enterprise NAS, SAN, Samba, and NFS disk subsystems, and provided a new level of safety, and scalability using a Fiber Channel NAS, and SAN used by Solaris, AIX, and Windows servers for print rasterization to PostScript to high-resolution bit maps. Viewed files using GhostScript, and printed books and bound pamphlets on 600 DPI, 440 page/minute IBM printers for on-demand publishing.

Provo, Utah Area

Supported TeraData and Oracle servers with installation, backup, cloning, RAID, client-server development, and configuration scripting for UNIX and Windows. Supported Oracle’s financial, manufacturing, and MRP modules with performance analysis, code updates, and bug fixes. Increased performance 20% using tuning adjustments recommended by consultants from Oracle, NCR, Intel, Sun, HP, TeraData, and ATT on large data-mining servers.

Salt Lake City

Performed systems administration and network security consulting for the Computer Science Department, Electrical Engineering Department, and the Center for Engineering Design (CED) at the University of Utah and Sarcos Research. Managed simulations servers for Electrical Engineering, Mechanical Engineering, and CED. Servers and software were used by professors, graduate students, staff engineers and robotic simulations laboratories for upper division MS EE/ME, and PhD EE/ME, coursework. Configured super-computers supporting chip-fabrication, board-fabrication, robotics design, Finite Element Analysis (FEA), 5 ½ -axis mill programming, large manufacturing, 3-D-printing, and electronics databases used to manufacture both entertainment, military, and industrial robots. Robot manufacturing used Pro-Engineer, vxWorks real time OS, Unix, X11, Ideas, MatLab, Paradigm’s MultiGen, ModelGen, and AutoCAD. Helped develop X11 control/monitoring dashboards for virtual-reality simulation and MCA/Universal’s Jurassic Park ride, and movie.

Bs Computer Science, Software Engineering / Ai

Econometrics And Quantitative Economics