Linux and BSD(userland and kernel) Slurm OpenMPI C BASH Python Ruby Node.js Ansible Git OpenVZ QEMU Nagios Sensu Grafana Apache Nginx MySQL MongoDB GlusterFS ZFS Lustre GPFS NFS SNMP OpenSSL OpenBGPd PF iptables BIND SMTP Infiniband
Los Alamos National Laboratory
Scientist, Filesystems and Storage, HPC-SYS —- 2016-Now
Works with teams to research, deploy, and maintain filesystem and storage in high-performance computing clusters with many users, with on-call support during business hours.
- Developed many BASH and Python scripts to maintain filesystems and deliver user-facing features, and contributed to a C tool for scanning GPFS inode data for metadata indexing.
- Supported developers and researchers by deploying, maintaining, and troubleshooting multiple Linux filesystem clusters (Lustre, GPFS, MarFS) for testing and production.
- Built and optimized a 1200+ node Linux cluster for testing and debugging of new and emerging filesystem products, using Slurm and OpenMPI to test and Ansible to quickly deploy Lustre.
- Mentored four students on two different summer projects; worked closely with new colleagues to onboard them and share knowledge.
Systems Manager – Santa Fe, NM —- 2011-2016
Builds, maintains, and secures a front-end and back-end infrastructure of virtualized and physical servers for government websites; automates routine processes; writes code for apps; and advises on software and hardware specifications.
- Worked with developers to implement processes, environments, and tools, such as Git, Ansible, and Vagrant, to improve workflows in staging and production environments
- Developed and maintained Python add-ons for Plone, Perl code for a cus- tomized Request Tracker instance, and Node.js code for a custom user authentication system.
- Designed a a multi-tiered and scaling backup system, hardware and application fail over, log management and analysis, and monitoring of hardware and applications using Nagios.
- Migrated a virtualization cluster from VMWare to Proxmox.
- Designed, deployed, and maintained a redundant front- and back-end
network, using open source products such as OpenBGPd.
Systems Administrator – Santa Fe, NM —- 2008-2011
Provided support to users for software, hardware, and networking issues; and configured applications, printers, anti-virus, TCP/IP, DHCP, and DNS for Windows, Linux, and Macintosh servers and client computers.
- Designed and and deployed a long-range and high-capacity WDS wireless network, a computer lab, and networked printers at the Bioneers Conference in 2008, 2009, and 2010.
- Supervised IT staff at the 2008, 2009, and 2010 Bioneers conferences.
- Administered three Plone websites on AWS.
University of Maryland Baltimore County (UMBC)
Graduated May, 2005: Bachelor of Arts, English Literature
Honors:Magna cum laude, Phi Beta Kappa
- Is the kind of guy who has PFSense and a server using Docker and ZFS running in his house.
- Was a beloved co-chair of the Santa Fe DSA, and is still active in the group.
- Has a stunning reputation of 301 on ServerFault.
- Runs a weekly radio show that plays mostly music from Japan.
- Download my résumé as a handsome, one-page PDF