About Me

Dustin Larmeir
Cyber Security Engineer, Layer 7 Defender, Linux Geek, INTJ, & Team Player

Well rounded Security Engineering professional with years of experience in Information Security, Cloud
Computing, Web Hosting, Linux, and Open Source Technologies.


Director of Security Engineering at TierPoint
January 2017 – Present
As the director of security engineering at TierPoint, I lead a small tactical team that provides a variety of managed security services that support internal and customer environments. My team has a heavy focus on application, network, and web server security. I’m a technical director and work hands-on with our security infrastructure daily.


  • Leader of the scrubbing center WAF Team
  • DDoS response team member
  • Radware infrastructure integration SME
  • Layer 7 Security SME
  • Security architecture
  • Security systems administrator
  • Custom tool development and scripting
  • Incident Response and forensics
  • Engineering and product liaison
  • Special projects

Senior Solutions Engineer – Compliance & Security SME at TierPoint
October 2015 – January 2017 (1 year 4 months)
As a senior solutions engineer at TierPoint, I served as the security and compliance SME for pre-sales and
pos-post-sales activities. I worked closely with our corporate security team and participated directly in
documentation and technical projects.


  • SME for security and compliance
  • Sales and Security Liason
  • Hybrid-IT solution design for environments requiring high security and regulatory compliance
  • Provided consultation on security strategies
  • Assisted with security assessments
  • Developed DR strategy
  • Conducted security presentations for events

Senior Client Architect – Information Security at Armor Defense, Inc. (Formerly FireHost)
October 2014 – October 2015 (1 year 1 month)
As a senior client architect at Armor, I designed and developed solutions for clients with high security needs. This role was both sales and technical focused.


  • Web application technology SME
  • Proof of concept design and technical validation
  • Assisted clients with remediation of existing security issues
  • Re-designed environments to ensure the maximum level of security
  • Assisted with security assessments
  • Developed DR strategy
  • Provided training to the sales organization
  • Mentored teammates

Security Start-Up – Security & Technical Generalist at Armor Defense, Inc. (Formerly

April 2010 – October 2014 (4 years 7 months)
As a managed security start-up generalist at Armor, I worked in a variety of roles as the company grew from
10 to 150+ employees. Being in a start-up often means wearing many hats.


  • Security/Support Engineer – I was the 4th security support engineer brought on board
  • Special Projects – I managed critical projects such as migrations and infrastructure upgrades
  • Support Manager (US & UK) – I lead an international team of 20 engineers in Dallas and London
  • Lead Sales Engineer – I developed the sales engineering organization
  • Trainer – I provided technical systems training to the service delivery organization

Customer System Administrator ( CSA ) at SoftLayer Technologies, Inc.
September 2007 – April 2010 (2 years 8 months)
As a customer system administrator at SoftLayer, I supported cloud, dedicated servers, and web hosting


  • Top 5 account white gloves team
  • Linux administration
  • Windows administration
  • Webhosting technology support
  • Hardware support
  • CDN Product SME
  • Network troubleshooting
  • Shift Lead

NOC Data Center Technician at The Planet Internet Services
October 2006 – September 2007 (1 year)
As a NOC data center technician at The Planet, I supported colocation, dedicated servers, and web hosting


  • Backup dedicated client support team member
  • Linux administration
  • Windows administration
  • Webhosting technology support
  • Hardware support
  • Data center access
  • Network troubleshooting

Technical Support Analyst at Calyx Software
November 2005 – October 2006 (1 year)
As a support analyst at Calyx software, I supported a loan origination software called Calyx Point.


  • Technical support role supporting a mortgage loan origination software
  • Software installation
  • Window desktop OS support
  • Troublehooting
  • Software help
  • Bug reporting

UA Local 100 Trade School
2001 – 2001
Lake Dallas High School
1995 – 1999