Michael Johnston Email & Phone Number

Oak Ridge, Tennessee, United States

Proficiently utilize VMWare vCenter for virtualization management. Extensive experience working with a range of Linux distributions, including RHEL 7, 8, 9, as well as Ubuntu 18.04, 20.04, and 22.04. Develop and implement robust cyber policies to enhance security posture. Proficiently work with GitLab for version control and collaboration. Provide comprehensive support for Moodle training software, ensuring smooth operation and user experience. Efficiently manage Atlassian Confluence and Jira Datacenters, enabling effective collaboration and project management. Create and enforce Ansible configuration policies to streamline system administration and configuration management. Working knowledge and support of OpenStack cloud environments, ensuring reliable and scalable infrastructure.

Huntsville, Alabama, United States

Design support engineer for the SMC modernization effort working at the U.S. Army Space and Missile Defense Command.

Huntsville, Alabama Area

High performance large scale compute servers used en masse by engineering processes, run as a set of clusters, controlled by scheduling tools such as IBM’s LSF or build farms such as Jenkins. Provide technical conceptual guidance to other group members and management and suggest directions for investigations. Participate in the NERSC decision-making process for acquisition of new HPC systems. Intermediate to senior level installation, maintenance, and operational support with Linux (Rhel, Centos, Ubuntu) Linux High Performance Computing (HPC) in "research computing" and/or "scientific computing" environments. Experience with clustered file systems (GPFS) and SAN Technologies including advanced troubleshooting.

Huntsville, Alabama

Lead Linux Algorithm cluster engineer/administrator managing RHEL6/7 and supportedwith tools Ansible, FreeIPA, Git and Cobbler. Implementation of DISA securitycontrol requirements for DOD using Ansible configuration managementto insure standardization. Implementation of RHEL 5/6/7 Yum repo sync from unclass to classified networks. Intergradation of Dell Quest AD authentication for UNIX. Management of Netapp 7-mode and Cluster-Mode on various NAS models. Proficient in use of HP C3000/C7000 blade enclosures and blades servers.Administrated multiply development/simulation labs that combined containhundreds of Linux, Solaris and HP-UX servers; Extensive experience in common andcomplex UNIX/Windows management from creating users to debugginghardware/software problems; Implemented multiple high speed SAN storagecontaining systems with hundreds of terabytes of storage using Netapp, HP andEMC as block storage using ZFS, LVM, XFS, BTRFS and UFS with Veritas Nebackupfor offline storage; Installed and configured Sun, EMC, HP and Netapp SAN andNAS devices; Configure Cisco Ethernet and fiber switches with VLAN/VSAN,Solaris Zones and aggregate port control; Uses network monitoring tools (Nagios,Cacti, Splunk, Ganglia, Snare and RRD) for graphing all network devices andrecord trends; Competent in NISPOM security standards; Proficient in shellscripting to automate common and complex system tasks;

Education record

Hot Springs High School, Truth Or Consequences, New Mexico