- Technical SME for device implant registry system, including GS1/HIBC implant scanning systems- Led team of developers in designing and delivering applications for device implant registry and survey collection applications- Development lead within agile development process: groomed user stories, conducted code reviews, performed QA as required and coordinated with business for acceptance testing- Deployed and managed Windows Server 2008/2012/2016, CentOS, OS X Server systems- Deployed and managed SQL Server 2008 / 2012 / 2014, Zimbra mail server- Handled all aspects of SSL certificate management and rotation- Performed network engineer duties: configuration of network domains, NGINX routing engine, Kemp load balancers; installed and supported office wired and wireless networks; network debugging with Wireshark / PCAP / postman; etc- Performed system security duties: developed preemptive responses to emerging system security threats; performed security reviews of application software; handled breach incident response- Performed office IT support including deployment of corporate access VMs- Performed level 3 product support, including working with clinical IT directors and others

- Led development of streaming test software for avionics health systems- Developed scriptable multi-platform avionics mission processor simulator- Technical SME for avionics comms hardware interfaces (CORBA, MIL-STD-1553)- Technical SME for large battlefield simulation software/hardware testing efforts- Briefed government customers on design activities and testing results

- Led system stabilization efforts for MACH5, $5M 1500 node HPC cluster- Led TOP500 and various RFP testing efforts for MACH5 and other large clusters- Primary system admin for MACH5 and other large clusters- Developed system for cluster health monitoring and visualization- Developed macOS memory management extension to improve performance of layout-sensitive compute kernels- Tuned customer CFD application for improved performance and scalability- Identified and performed deep analysis of cluster system network latency issues- Conducted trials of various compute-specific interconnect replacements- Provided recommendations leading to retrofit of $1M fiber interconnect, resulting in >> 50% speedup of customer code at large scale- Evaluated and proposed solutions based on emerging HPC technologies

- Developed RS232-based link for lighting panel servicing via local PC or modem- Developed RS485-based lighting panel control network- Designed new secondary lighting control panel board for network control only- Validated large network of primary and secondary lighting control nodes

A sequence of summer internships working on Redstone Arsenal. Modified and created components of automatic target recognition filter toolchain running on SGI IRIX workstations.