Working on NetOmni and NetDetector hardware/software network security appliance products, using Java, Spring, Hibernate, and REST-based services-oriented architecture, augmented with Python, Perl, and shell scripts, running in both Kubernetes and monolithic environments.Architect and lead engineer for a number areas, including VMware, OpenStack, and AWS virtualization/cloud strategy and implementation, use of standardized STIX/TAXII threat intelligence feeds, customized Linux-based deployments on Red Hat, Ubuntu, and Debian platforms, three-layer scalable data collection platform, optimization of configuration detection, distributed replicated storage scheme, prevention of resource leaks, distributed update facility, Windows AD-based external authentication with Kerberos and CAC single sign-on, McAfee API integration, APL and Common Criteria government certification, and build and installation framework.Speaker on product features at company internal conference sessions.

Chief architect for HipCheck mobile application, which allows smartphone users to monitor and manage systems remotely, using HTTPS and SOAP/XML web services protocols.Chief architect for SCO Mobile Server, a three-tier multi-OS development and deployment platform above J2EE, J2ME, and .NET Compact Framework.Lead engineer for SMS messaging functionality and I18N/L10N work. Lead engineer on the FCmobilelife productivity application.Architect of SCOBiz initiative, developing web services interfaces between web hosting platform and existing SMB applications.Frequent keynote speaker at company technical conference SCO Forum.

Alias position (Santa Cruz Operation sold to Caldera, which subsequently changed its named to The SCO Group).

Principal engineer for porting numerous releases of Sun's Java virtual machine and J2SE source base to SCO UnixWare and OpenServer, including JIT compiler, native threads, networking, and graphics interfaces.Added selective compilation heuristics to JIT compiler to significantly improve performance for short- and medium-lived applications.Published papers "Optimizing Away C++ Exception Handling" (ACM SIGPLAN Notices, August 1998) and "The Simplest Heuristics May Be the Best in Java JIT Compilers" (ACM SIGPLAN Notices, February 2003).SCO representative to ANSI/ISO C++ standards committee that defined first standardized C++. SCO representative to Java Community Process Executive Committee. Also participated in industry IA-64 C++ ABI, OSF OSFI, and Intel TIS standards groups.Wrote "Notes from ANSI/ISO" column for McCluskey C++ Newsletter, 1996 to 1998.Frequent speaker at company technical conferences SCO Forum and SCO UK Partner.

Principal engineer for C++ compiler development. Designed and implemented high-performance C++ exception handling support. Maintained and enhanced compiler back end, template instantiation mechanism, thread safety and dynamic libraries support, and class libraries. Published paper "Dynamically-Valued Constants: An Underused Language Feature" (ACM SIGPLAN Notices, April 1995).Presented sessions at Novell Brainshare conference.

Manager of 8-person development group for five Ada cross-compiler products.Principal engineer for back-end of Ada compiler, including IR, code generator, global and local optimizers, and runtime routines.Published papers "Use of Ada in a Commercial, Small Company Environment" (WadaS'93), "Fail-Safe Programming in Compiler Optimization" (ACM SIGPLAN Notices August 1993), "Automatic Compiler Recognition of Monitor Tasks" (ACM Ada Letters, May/June 1994).Frequent participant and speaker at technical conferences such as WAdaS and TRI-Ada. Frequent pre-sales and post-sales customer contact.

Design and implementation for TAPS software product (a portable, multi-tasking transaction processor/file manager/application generator that can be seen as an early application server). Defined TAPS interfaces to IBM 370/CICS environment. Worked on application security, database recovery, storage optimization.Modified IBM Pascal compiler runtime for compiler and debugger support under CICS.

Systems analyst and application development work on a variety of health-care related applications (e.g. drugs and stores, medical records, preventative maintenance, personnel) in an IBM System/370 OS/VS1 environment.Enhanced CICS network's message broadcasting, task synchronization/recovery, and file protection capabilities.Compiled resources manual of all internal libraries and subprograms and standards and practices.

Adjudicated changes of entitlement to benefits.