Unix Blather

Resume

Director, Infrastructure - SpecterOps / January 2021 – Current

SpecterOps provided the opportunity of a greenfield architecture & deployment of the development and product environments for
BloodHound Enterprise. I spent the first year operating autonomously as a Principal Infrastructure Engineer. I’ve since grown the
infrastructure team, allowing my focus to expand within the company.

• Manager of infrastructure team
• AWS architecture & environment implementation
• CI/CD tooling, enabling developers for rapid development and deployments
• Automation development in Go

Senior Manager, Infrastructure, Software Engineering – Gigamon / July 2018 - December 2020

Gigamon acquired Icebrg July, 2018

• Manager of infrastructure team responsible for Gigamon ThreatINSIGHT SaaS environments
• Leader by example, listener, coach and enabler
• Continuation of responsibilities as an individual contributor

Principal Operations Engineer - Icebrg.io / December 2015 - July 2018

I joined ICEBRG early in the start up phase as the sixth member of engineering, independently taking on responsibilities
for all aspects of the companies infrastructure. This included the products environments and data stores, substrate
infrastructure, networking, authentication and access controls.

• Infrastructure architecture, responsible for all physical and AWS environments
• Management of distributed databases at scale, Elasticsearch and Hadoop
• CI/CD, using Concourse, Terraform, Kubernetes, Puppet, Spinnaker
• API development in Go
• Network engineering, physical and virtual solutions
• Management of intrusion detection systems in a globally distributed environment
• Data center maintenance, physical servers, switches and routers, fiber network

Senior Systems Security Engineer - Salesforce Inc. / January 2015 - December 2015

Our team managed network and systems access controls for the products production infrastructure spanning data centers around the world.

• Design & implementation of security controls for production infrastructure
• Management of authentication and authorization systems
• System & user access controls

Senior Configuration Engineer - FireEye Inc. / February 2014 - January 2015

FireEye Inc. acquired Mandiant January 2, 2014

I changed teams to remove break fix systems administration responsibilities, enabling me to focus efforts on systems and stack tuning.
I reported to the development manager who owned the second generation network sensor platform.

• Deployment automation & orchestration, Puppet development
• Infrastructure and platform service reliability engineering

Senior Systems Administrator - Mandiant / February 2012 - January 2014

Our team built infrastructure that enabled security professionals to drive incident response and managed services for
our customers. I was responsible for managing network sensors, endpoint agent controllers, a multi platform distributed
malware analysis system and other production services to support SOC analysts. I worked closely with multiple development
teams providing guidance on building production ready services and deployment options.

• Implementation and management of internal and customer facing production infrastructure
• Deployment automation & configuration management
• Software life cycle management
• Provisioning of servers, switches, firewalls, general NOC maintenance
• Management of network intrusion detection systems in a globally distributed environment
• FreeBSD & Linux systems administration

Linux Systems Administrator - InMotion Hosting / August 2010 - February 2012

I joined a small team responsible for all aspects of thousands of production Linux web hosts in shared, virtualized and
dedicated platforms across multiple data centers.

• QoS management in a densely provisioned environment
• Bare metal, Virtuozzo, and shared CPanel hosting
• Monitoring and management of systems and supporting services
• Network and host intrusion detection, incident response
• PCI-DSS audit & resolution
• Provisioning of physical servers and switches
• ²⁴⁄₇ on call rotation for systems administration and data center maintenance
• Customer service support

Credentials

• (ISC)2 Certified Information Systems Security Professional (CISSP)
• Puppet Certified Professional
• CompTIA Security+
• CompTIA Network+