Systems Administrator,
NMR Center,
Massachusetts General Hospital
Boston, MA.
2000 > Present
Skill Sets Accomplishments System Administration, management skills, UNIX (various flavors), system security, networking, HTML, DHTML, CGI, MySQL, SQL, PBS, SAMBA, netatalk, DHCP, NFS, NIS
I do System Administration (refered to as SysAdmin in the business) for the NMR Center computing infrastructure attached to the Radiology Department of Massachusetts General Hospital. I share primary responsiblity for the following
- Systems management, administration and uptime for approximately 80 servers of heterogenius lineage (Intel linux and Sun with 80GB, 570GB, 800GB and 4TB RAIDs totaling over 250 Tera-Bytes of disk) and over 200 client workstations also of heterogenius lineage (Macs, Windows, Sun OS, Solaris, linux, IRIX)
- Intel linux based distributed Beowulf like clusters for image reconstruction and analysis of MRI, fMRI, and MEG data and Monte Carlo simulations using the PBS/Torque batch cluster software (distributed batch engines or compute farms).
- Wiki setup and management using MediaWiki software.
- Web service and Webmaster functions.
- Designing and writing CGI application interfaces to the MySQL database system.
- Secure E-mail services for local and roaming users.
- Security services.
- System upgrades and installs of servers and clients (clients in single and dual boot configurations).
- Providing shared access to the above mentioned Tera-bytes of storage for NIS/NFS, windows SAMBA and Macintosh accessable NetATalk (Appletalk on linux) servers and other services.
- General user support.
- Local DHCP service.
- Backups.
Author: Chris Johnson
Version: 2.0.1