Computational and Information Systems Laboratory, NCAR - Boulder, CO 1996-Present
Casual/High Performance Computing Specialist October 2017 - Present
Retired, though continues to assist the High-end Services Section of the Computational and Information Systems Laboratory on internal projects on a part-time basis.
High Performance Computing Specialist June 2000 – October 2017
Lead technical role in the specification, requisitioning, evaluation, selection and deployment of high-performance systems and storage procurements for CISL, worked closely with NCAR’s contracts administrators in all procurement phases, including preparation and negotiation of contracts and monitoring of contracted deliverables. CISL acquisitions include ARCS (2002), CISL Linux (2004), BlueGene/L (2005), ICESS (2006), NWSC-1 (2011) and NWSC-2 (2015), among other high-performance computational system and storage procurements, and the AMSTAR (2009) procurement of data archive systems – subcontract values ranged from under $1M to over $36M. Established, implemented and maintained tools and methodologies for communicating and sharing information during RFI, RFQ and RFP process lifetimes, negotiation strategies, award justification with the NSF, and subsequent tracking contract deliverables. Other responsibilities have included establishment of non-disclosure arrangements with industry leaders, technology tracking, lead role in CISL systems metrics implementation and tracking, systems workload and efficiency analysis, and myriad technical activities within CISL.
Manager – High Performance Systems Section January 1997 – June 2000
Managed a section comprised of approximately 25 systems engineers and administrators responsible for the installation, administration, monitoring and operation of high-performance computing systems, the NCAR Mass Storage System, and CISL’s electronic services infrastructure (email, shared filesystems, web servers, etc.) and desktop systems.
Software Engineer III – Supercomputer Systems Group February 1996 – January 1997
Responsible for the day-to-day maintenance, administration, operation and monitoring of eight supercomputer systems. Developed the NCAR Batch Priority Scheduler (BPS) for job scheduling and management on the supercomputers, and developed numerous tools and automated alert systems for the monitoring of supercomputer workloads, and anomalous software and hardware conditions.
Emtrak, Inc. - Colorado Springs, CO 1995-1996
Manager - Field Services August 1995 – January 1996
Responsible for the development and management of Emtrak product installation, training and field service procedures, strategies and business plans for an international customer base. Responsibilities included the strategic planning, budgeting, recruiting support personnel, and planning and implementation of corporate support infrastructure.
Cray Computer Corporation - Colorado Springs, CO 1989-1995
Senior Marketing Analyst January 1995 - July 1995
Provided technical support to the Marketing and Sales organization, including the preparation of technical proposals, development of suitable system configurations, product descriptions, and marketing strategies; also responsible for the development of customer and field support strategies and implementation of technical support systems.
Manager - User Software Products Development April 1991 - January 1995
Provided technical and administrative management of compiler, run-time libraries and software tools engineering groups for the CRAY-4 and CRAY-3 supercomputers. Responsibilities included development of Fortran 77, Fortran 90 and ANSI C compilers and CRAY assemblers, Graphical User Interfaces (X11R5 and OSF/Motif), Fortran and C intrinsic, high-performance I/O, automatic parallelization, and UNIX system interface libraries and software tools including an interactive, source-level symbolic debugger, performance analysis tools, and hardware simulators. Also led the checkout, installation, operation, and support of the first two production CRAY-3 systems and the development of corporate customer support strategies.
Manager - Software Tools Group July 1989 - April 1991
Developed and managed a group of software engineers implementing an innovative suite of software tools products, including run-time and GUI support libraries, an interactive, source-level symbolic debugger, and performance monitoring and analysis tools.
Cray Research, Inc. – Colorado and Minnesota 1982-1989
Software Engineer March 1989 - July 1989
Developed expert-system diagnostics and automatic test vector generation software to aid circuit design and testing of gallium arsenide IC packages for the CRAY-3 computer system.
Manager - Software Technical Support September 1987 - March 1989
Managed the software technical support group responsible for supporting Central Region customers, users and system software products. Group members provided customer and on-site system and software diagnostic and maintenance activities.
Analyst-in-Charge April 1983 - September 1987
Served as Cray's Analyst-in-Charge at the NCAR and responsible for maintenance of Cray's COS and IOS software product set, applications optimization for the NCAR scientific community, supervision of an applications analyst, and coordination of on-site hardware and software maintenance efforts.
Software Test Engineer April 1982 - April 1983
Performed software quality assurance and performance testing on Cray compilers, run-time libraries, user products and Cray customer applications.
Montana Department of Natural Resources and Conservation - Miles City, MT 1977-1982
Research Manager July 1980 - March 1982
Headed a small team of scientists and programmers in the design and implementation of surface meteorological observation equipment and real-time data acquisition, management and analysis techniques and software in support of the High Plains Experiment (HIPLEX) and the Cooperative Convective Precipitation Experiment (CCOPE), the latter conducted jointly with NCAR and other multi-national research institutions during the summer of 1981.
Research Meteorologist October 1977 - July 1980
Conducted basic research and the related field operations evaluating convective storm precipitation and its modification as part of the HIPLEX project, including the design of automated surface observation equipment and data acquisition and analysis systems.
Other Professional Experience
Fall 1981 - Contract with the Convective Storms Division of NCAR to port existing and develop new algorithms for the management and analysis of CCOPE data.
May 1982 - Received a joint two-year National Science Foundation grant for the analysis and publication of data collected during the HIPLEX and CCOPE experiments.
