HPC Systems Administrator of one year and five months with roughly five years of formal experience in implementing technical solutions on Unix-based systems; sought out opportunities for continual learning, staying up-to-date with industry trends and innovations, and applying new knowledge to enhance system administration practices; contributed to a culture of continuous improvement and technical excellence; promoted twice in four years.
Managed five distinct clusters with two other individuals; assumed ownership of software stacks and backup infrastructure; contributed to the successful deployment of the PBS Pro scheduler on the newest cluster.
Optimized productivity and efficiency in workflow by leveraging emerging Large Language Model technologies, resulting in a remarkable increase in task execution and automation speed.
Planned the IBM Spectrum Protect backup infrastructure that consisted of 8.5 petabytes of ZFS disk and 20 petabytes of tape storage, driving a substantial enhancement in data security and recovery capabilities.
Collaborated with the vendor and team in the deployment of an 825-node Zen 3 cluster.
Created unique software stacks across five HPC clusters, gaining experience in scientific software and MPI variants; utilized Spack and Lmod to streamline software and module development.
Developed and maintained scheduler hooks for PBS Pro on the Improv cluster while also managing four other clusters that use Slurm, showcasing scheduler management experience.
Investigated and troubleshooted complex technical issues via the ticketing system.
Linux Systems Administrator (PT2)
Argonne National Laboratory, Lemont, IL
August 2019 – August 2022
Transitioned into a traditional Linux systems administrator role after 11 months; assumed ownership of Linux workstation build, web servers and user-facing applications.
Continued enhancing the Mac infrastructure to meet the diverse needs of both scientists and non-scientists, ensuring unobtrusive integration and user satisfaction.
Built and tested the infrastructural components to create Ubuntu 22.04 workstations and servers ahead of schedule, accomplishing this task while Ubuntu 22.04 was still in beta.
Migrated and modernized ~40 NGINX website configuration files from CentOS 6 to CentOS 7.
Managed software modules for users to access over NFS in a shared compute environment.
Jr. Systems Administrator (PT1)
Argonne National Laboratory, Lemont, IL
September 2018 – August 2019
Planned and implemented Mac MDM infrastructure for over 100 directorate Apple computers; first line of support for troubleshooting Linux tickets submitted by users.
Revamped Mac management infrastructure by implementing Jamf to streamline MDM processes, reducing deployment time and ensuring adherence to IT policies and industry standards; achieved nearly 100% device enrollment compliance rate.
Led the adoption of improved Mac management practices at the laboratory; collaborated with Mac administrators across divisions to encourage the use of more efficient workflows.