Brian Whitehead

• Teach cybersecurity classes through partnerships with several universities.
• Prepar adult students for new careers in cybersecurity and for certification exams.
• Help students explore concepts with engaging, learning-focused activities.
• Develop and implement classroom routines to address varying student needs.
• Foster student curiosity and interest through creative hands-on activities.

• Proven successful working within tight deadlines in a fast-paced atmosphere.
• Completed many backlogged projects as lone system engineer working closely with IT & Security Director.
• Management of 400+ macOS endpoints. Took over support of Jamf Pro MDM solution for macOS management, while fixing and implementing many new policies and profiles along with shell scripting.
• Planned and drove process to update all macOS endpoints to current OS and software versions and eliminated outdated and insecure versions.
• Performed upgrade of several AWS cloud-based Linux Netskope publishers and deployment of Netskope agent to all endpoints.
• Developed and implemented process to upgrade Carbon Black agents on all endpoints while resolving group and policy assignments.
• Developed and implemented process to migrate all endpoints from Carbon Black to Sophos after company was acquired.
• Provided support assisting Data teams with implementing and troubleshooting several applications like Informatica, Snowflake, Looker, Fivetran and more.
• Implemented several improvements to Netskope ZTNA implementation to support zero-trust access to data SaaS applications.
• Documented system configuration, mapping and processes for several systems and applications.
• Maintained stability, integrity and efficient operation of information systems supporting organizational functions.
• Provide mentoring and training to support specialists.
• Self-motivated, with a strong sense of personal responsibility.
• Skilled at working independently and collaboratively in a team environment.
• Proven ability to learn quickly and adapt to new situations.

• Responsible for auditing and architecting new solutions to support remote labs and contract manufacturing sites.
• Led contract support vendor to implement improvements of their processes and documentation, to reduce SLA misses by 30%.
• Drove improvement of patching process for Linux and FreeBSD systems at remote sites, reducing scheduled downtimes by 25%.
• Identified, analyzed and resolved infrastructure vulnerabilities and system deployment issues.
• Provided 2nd and 3rd level technical support and troubleshooting to internal and external clients.

• Delivered top-tier remote Linux support, acting as 'Lead Tech' for assigned customer base.
• Successfully managed up to 40 customer accounts at one time.
• Assumed ownership of several customers that were NPS detractors and successfully converted them to promoters. Demonstrated respect, friendliness and willingness to help wherever needed.
• Provided 3rd level technical support and troubleshooting to internal and external clients.
• Developed and maintained custom scripts to increase system efficiency and performance.
• Skilled at working independently and collaboratively in team environments.
• Self-motivated, strong sense of personal responsibility.
• Worked effectively in fast-paced environments.
• Excellent communication skills, both verbal and written.
• Assisted in architectural design, troubleshooting, and system optimization.
• Provided implementation and support of customer environments hosted at Rackspace
• Took ownership of customer issues and followed problems through to resolution
• Reviewed repeated issues within operations and business management to solve problems and improve company outcomes.
• Provided mentoring to junior support technicians.

• Consultant at TXI
• Provided Linux and Solaris support.
• Implemented Spacewalk for automation of Linux server deployment, reducing server build times by 40%.
• Streamlined patching processes, resulting in 25% decrease in vulnerabilities.
• Managed and monitored installed systems for highest level of availability.
• Managed time efficiently in order to complete all tasks within deadlines.

• Completed SIM Regional Leadership Forum program.
• Supervised and mentored staff of 6 to 8 engineers.
• Managed data-center preventative maintenance and management.
• Led migration and renovation of two corporate data-centers.
• Performed capacity planning, licensing and vendor management as well as budgeting for enterprise data-centers.
• Member on change management, security and architectural committees.
• Designed, implemented and supported software solutions hosted on Red Hat Enterprise Linux, Solaris, Windows and VMware servers.
• Designed, implemented and supported hardware solutions with HP Proliant c7000 blade enclosures.
• Developed and implemented automated server build process for Linux servers using boot-from-SAN, RHN Satellite Server, CFEngine and scripting.
• Provided support for COTS and in-house developed applications such as Oracle RAC, JDEdwards, Microstrategy, Informatica, Sterling Integrator, ESRI ArcGIS, Websphere, Weblogic, JBoss, Tomcat and many others.

• Consultant at PNMR/TNMP/Optim Energy/First Choice Power.
• Manage and support Red Hat Enterprise Linux and Windows Servers running various applications.
• On-site support for real-time trading floor for energy companies.
• Member of remote infrastructure team located in Albuquerque, NM.
• Manage and support Red Hat Enterprise Linux and Windows Servers running various applications including Oracle 10/11g and UC4 Appworx with EMC SAN storage.
• Developed and implemented automated server deployment process and autonomous configuration management system using open source products and technologies such as PXE, Kickstart, CFEngine and scripting.

• Consultant at American Airlines
• Performed development of shell, perl and jython scripts to support deployment of IBM WebSphere on Solaris 10 using non-global zones and Red Hat Enterprise Linux on VMWare.
• Developed and deployed automation scripts, improving deployment efficiency by 30%.
• Assisted team members in troubleshooting and deployment, enhancing overall project success rates.

• Contractor for Texas Instruments as member of Design Systems Infrastructure Team.
• Team responsible for primary Design Systems datacenter. Datacenter with scaling capability based on compute need and comprised of up to 5000 CPU's running primarily (90%) Red Hat Enterprise Linux (RHEL) and (10%) Sun Solaris, including enterprise compute grid running Platform LSF. Responsible for supporting key infrastructure systems and services such as NIS, LDAP, NFS, autofs and others.
• Standardized server builds, reducing deployment time by 40%.
• Implemented server baseline changes and automation using Kickstart, Jumpstart, and CFEngine.
• Supported system users, educating employees on troubleshooting and problem-solving protocols.
• Proposed technical feasibility solutions for new system designs and suggested options for performance improvement of technical components.
• Conducted end-user reviews for modified and new systems.
• Suggested system updates or changes after conducting in-depth technical reviews.
• Maintained stability, integrity and efficient operation of information systems supporting organizational functions.
• Created system design models and specifications to support system programmers and development teams.
• Provided third level support to end-users, mentoring of junior system administrators and assistance to other IT teams.
• Managed and completed migration project of several Solaris CPSU (Citrix Presentation Server for UNIX) 1.2 servers to new CPSU 4.0 farm. This required working with multiple application vendors to troubleshoot critical problems and obtain hot-fixes.
• Managed and completed migration project of proprietary segmented network environment utilized for external collaboration with clients and vendors. Project required engineering many new solutions and standardizing solutions to make it more manageable. This environment included technology such as Cisco PIX/ASA firewalls, Cisco VPN concentrator, Cisco switches with PVLAN, LSF compute servers, LDAP authentication, DNS (QIP, BIND), SMTP mail relay hosts, Citrix CPSU 4.0 on Solaris and RealVNC Session Manager login servers on RHEL, NetApp filers (NFS, CIFS) as well as ClearCase servers.
• Managed and completed project to implement standardized world-wide monitoring solution using Nagios. Worked with team representatives from several countries, including Japan, China, India, Mexico and France.

• Responsible for all aspects of system administration of web environment comprised of multiple Linux servers running Oracle and ColdFusion.
• Provided support and troubleshooting of world-wide MPLS network in support of remote offices.
• Implementation and management of version control system based on Subversion used by web development team.
• Implementation and management of network monitoring and statistics gathering utilizing Nagios and Cacti.
• Implementation and management of CFEngine and Subversion server to maintain Red Hat Enterprise Linux server configurations.
• Responsible for support of intranet servers providing web hosting of company benefits management system consisting of MSSQL, IIS and BizTalk running on Windows 2003 servers.
• Tasked with getting licensing and hardware support in line and re-engineering replacement of existing web environment.
• Tasked with troubleshooting and tuning enterprise mail gateways at several world-wide locations in order to handle current load. Mail gateways utilized Postfix, ClamAV, SpamAssassin and Amavisd and delivered mail to large distributed Exchange infrastructure.

• Founded and managed computer consulting business, growing revenue $200K in first year
• Established regular client base of 20 customers within first 9 months.
• Provided consultation, recommendation and implementation of software and hardware products for small businesses
• Provided security analysis, consultation and design of networks to small businesses
• Provided implementation and management services of information security related products such as firewalls, anti-virus, mail gateways and intrusion detection systems
• Provided HIPAA compliance analysis, consultation and implementation to small medical, dental, chiropractic and medical billing offices
• Provided full implementation of computer networks and domains for small business offices utilizing Microsoft Windows and/or Linux
• Provided consultation and training to clients wanting to learn and utilize GNU software and Linux
• Provided setup, troubleshooting and integration of Linux systems, utilizing Linux for many types of solutions, including Windows domain PDC emulation, router, firewall, file/print server, DNS server, LDAP server and web/mail server
• Provided website and email hosting services and management to several companies through partnership with local hosting provider

• Responsible for all aspects of system administration for UNIX and Linux servers, including RedHat Enterprise Linux, SCO UnixWare, SCO Openserver, OpenBSD, FreeBSD, Sun Solaris, and HP OpenVMS.
• Management of Checkpoint, Raptor and iptables firewalls.
• Management of Legato backup system on all UNIX and Linux servers.
• Developed new Red Hat Enterprise Linux baselines for Oracle databases and application servers.
• Responsible for research, proof of concept and implementation of VMware ESX Server farm utilizing ESX Infrastructure Nodes, VirtualCenter, P2V Assistant and SAN storage.
• Migrated several existing physical systems and deployed new systems to VMware with storage on EMC CX600 SAN.
• Implemented Red Hat Network Satellite server and developed customized Kickstart scripts for automated installations of OS baseline.
• Engineered and implemented Samba solution with Active Directory integration.
• Implemented and managed enterprise monitoring solution using Nagios.

• Responsible for all aspects of systems administration including new installations, information security, network troubleshooting, system backups, and system standardization.
• Implemented and supported both in-house and collocated Linux and Windows hosting environments for multiple clients.
• Managed Cisco PIX firewall and iptables based firewalls.
• Managed Network Intrusion Detection Systems.
• Supported team of Java web developers.
• Work with client IT personnel to integrate our web applications into their hosting environment. Required helping them setup Linux servers and training them on how to manage these servers.
• Implemented new hosting environment based on Linux with Tomcat and Apache. Migrated existing data from both production and development sites.
• Implemented Nagios network monitoring system to monitor all systems and services. This utilized several custom scripts and SNMP.
• Implemented Network Intrusion Detection System based on Snort to protect web hosting environments.
• Implemented Cisco PIX and iptables firewalls on Linux servers.

• Company name changed to Berger Devine Yaeger.
• Responsible for all aspects of computer support throughout five-office firm, utilizing multiple platforms (Windows 9x/NT/2K, Macintosh, Netware, Linux, FreeBSD); Also provided support to two companies that sub-leased office space.
• Programming/scripting in multiple languages/environments to accomplish system administration tasks and automated deployments.
• Budgeting, ordering, inventory and allocation of all computer related products.
• Researching/testing/implementing new products.
• Maintained telephone systems consisting of Nitsuko 384i/124i PBX systems.
• Installed voice/data wiring of offices using industry standard Cat. 5e wire.
• Migrated two offices from Windows NT Domain's to Linux, utilizing Samba, with third office migrating from Netware 5.0. Primary goal of this project was to save several thousand dollars in new software purchases and upgrades.
• Migrated all email and web hosting from outsourced ISP to leased virtual server using FreeBSD.
• Migrated main office network from ISDN connection to 2 T-1's for both voice and data. Also implemented WAN to small remote offices utilizing VPN.
• Migrated small remote office, with limited available technology, from single dial-up connection utilizing NAT on Linux box to ISDN connection.

• Developed programs, scripts, and packaged applications using various programming languages as primary departmental developer.
• Provided solutions to field technicians as third level support to solve complex software, hardware and network problems.
• Campus-wide maintenance and deployment of anti-virus software.
• Miscellaneous network administration, troubleshooting and implementation. Campus network utilized multiple platforms including Linux, Windows, AIX, and Macintosh.
• Drafted reports, proposals and recommendations as needed for projects.
• Researched and documented implementation procedures for projects.
• Support of users in all aspects of computer hardware and software problems.
• Training and supervision of multiple student employees.
• Supervision of University Helpdesk.
• Developed several scripts and procedures for maintaining computer labs throughout campus

Completed numerous credits toward a BS in Computer Science.

Completed numerous credits toward a BS in Computer Science.

Completed numerous credits toward a BS in Computer Science.