Washington DC-Baltimore Area
Professional career includes more than thirty-six years of software/systems development experience specializing in data-driven and search-driven systems entailing mostly backend-based software/systems development/integration, and migration of legacy systems, services, and data to cloud native platforms. Roles have included independent consultant, lead integrator, senior principal engineer, software/technical/project lead, senior software engineer, senior system engineer, master subject matter expert, senior database engineer, system architect, DevOps engineer, database administrator, system administrator, and business development manager. Highlights of professional experience includes Rust, Golang, Java, Scala, C/C++, Elastic Stack, Kubernetes (K8s/K3s), RESTful web services, MongoDB, PostgreSQL, Oracle RDBMS, MySQL, Agile software development.
Performing DevOps using Large Language Models (LLMs) to rapidly research new solutions, develop new features, and troubleshoot issues for U.S. IC/DoD customer's mission applications and services platform in global enclave. Responsibilities include developing infrastructure as code (IaC) to automatically provision and troubleshoot Kubernetes (K8s) based platform for mission applications and services. Experience includes Claude Code, Rancher Kubernetes Engine (RKE2), Ansible, Helm, Rancher, Podman, Docker, Ceph, Rook, Longhorn, Istio, GitLab Enterprise Eddition CI/CD, Harbor, Bash shell scripting, Git, Amazon Elastic Compute Cloud (EC2), Amazon Linux WorkSpaces, Atlassian Jira, Confluence, Red Hat Enterprise Linux (RHEL) 8/9, VMware, Windows.
Performing software development, integration, and DevOps for security big data analytics and data lake platform on Amazon Web Services (AWS) cloud for DoD/IC customer using LLMs in development and DevOps workflow to research new solutions, create new features, troubleshoot issues, and create code-driven documentation. Responsibilities include evaluating, integrating, and developing both customized Free and Open Source (FOSS) software and AWS commercial services on Kubernetes (K8s) to automate centralized fine-grained row and column level access control polices for Structured Query Language (SQL) access to data lake. Experience includes Claude Code, Apache Iceberg, Trino, Apache Flink, Lakekeeper, Apache Airflow, Apache Ranger, Amazon Elastic Compute Cloud (EC2), Amazon Glue, Amazon Simple Storage Service (S3), Amazon Relational Database Service (RDS), Gatekeeper Open Policy Agent (OPA)-based policy engine, K8s, Java, Python, Rego, GitLab CI/CD, Harbor, Argo CD, Helm, Docker, GitLab Continuous Integration (CI), Kanban, Visual Studio Code Server, Amazon Web Services (AWS), Amazon Linux Workspaces, Atlassian Jira, Confluence, Hat Enterprise Linux (RHEL) 8.
Performed software development and DevOps to rapidly development, build, and troubleshoot multiple large distributed near real-time intelligence and dissemination systems for U.S. IC/DoD customer. Responsibilities include Java-based legacy systems sustainment development, operations and maintenance (O&M), performance and scalability analysis, Kubernetes (K8s/K3s) problem troubleshooting and resolution, and automated systems provisioning via infrastruture as code (IaC). Experience includes Java, Representational State Transfer (RESTful) based services development, Ansible, Helm, Rancher Kubernetes Engine (RKE/RKE2), K3s, Istio, Rancher, Podman, Docker, Longhorn, OpenEBS, MongoDB, Amazon Open Distro for Elasticsearch query and indexing performance optimization on clusters with hundreds of data nodes, Kibana, active-passive K8s multi-cluster MongoDB provisioning, MySQL, Submariner, GitLab Enterprise Eddition (EE) CI/CD, Jenkins, Harbor, Bash shell scripting, Git, Maven, Amazon Elastic Compute Cloud (EC2), Amazon Linux WorkSpaces, Atlassian Jira, Confluence, Red Hat Enterprise Linux (RHEL) 8/9, VMware, Windows.
Lead rapid development of several near-real-time (NRT) Aerostat telemetry data related projects including embedded printed circuit board (PCB) device programming, as well as operations center systems development for centralized monitoring of near-real-time (NRT) Aerostat telemetry data feeds from several OCONUS and CONUS operational sites for U.S. DoD and DHS customers. Responsibilities include project planning, project management, Agile software development, technical white paper writing, technical proposal writing, technical demonstrations development, embedded software development, system architecture, reverse-engineering legacy systems and applications, hot/warm/cold data lifecycle management, coding, data integration, extract, transform, load (ETL) data ingestion, unit/integration/acceptance testing, DevOps, and system administration. Experience includes Elastic Stack (Elasticsearch, Kibana, Logstash), Kubernetes, Rancher, Helm, Docker, Swarm, Golang, Tibbo BASIC/C, Size 3 Tibbo Project PCBs, analog-to-digital converter (ADC) Tibbit modules, RS232 serial input/output (I/O) Tibbit modules, solid state relay TIbbit modules, NCD ProXR Industrial Relay Controllers, Telerik JustDecompile, Ghidra, Apache HTTP Server, Nginx, data ingest services, data visualization, health and status monitoring dashboards, Github Team, Visual Studio Code (vscode), Tibbo Integrated Development Environment (TIDE), Intellij IDEA Ultimate, Windows Server, CentOS, Linux.
Provided performance and scalability recommendations, cluster redesign, DevOps, and helped upgrade Elastic Stack for U.S. DoD customer's joint enterprise operational planning system. Experience included Agile development, Scrum, Elasticsearch, Kibana, Logstash, Beats (Auditbeat, Filebeat, Heartbeat, Journalbeat, Metricbeat, Packetbeat), Puppet, Git, GitLab, JIRA, Confluence, Amazon Web Services (AWS) Elastic Compute Cloud (EC2), Vagrant, VirtualBox, Intellij IDEA Ultimate, Linux, macOS.
Developed enterprise knowledge management system for U.S. DoD/IC customer program. Experience included Elasticsearch, Kibana, X-Pack Security, Golang, Java, Simple Text Oriented Messaging Protocol (STOMP), Apache ActiveMQ, NGINX, Docker, JIRA, Git, Maven, Intellij IDEA, CentOS, Linux.
Developed knowledge fusion REST web services for a U.S. DoD/IC customer program. Experience included Golang, Scala, Akka, Java, LevelDB, Berkeley DB, Java Message Service (JMS), Apache ActiveMQ, TIBCO Enterprise Message Service (EMS), Elasticsearch, Apache HTTP Server, Apache Tomcat, Intellij IDEA, Eclipse, JIRA, Jenkins Continuous Integration (CI), Git, Maven, REST web services, CentOS, Linux.
Lead the agile development of an inter-agency, all source intelligence, enterprise distributed search and discovery solution based upon open source and COTS software for a U.S. DoD/IC customer program. Responsibilities included project management, agile systems and software engineering, information systems security engineering (ISSE), relational database administration, and system administration. Experience included Java, Groovy on Grails, Elasticsearch, Vert.x, Apache Solr, Mule ESB, Oracle 11g, MySQL, PostgreSQL, Apache HTTP Server, Apache Tomcat, Spring Source Tool Suite (STS), Eclipse IDE, Redmine, Git, Maven, Rally, Trac, Jenkins CI, Apache Ant, Visual Analytics VisuaLinks, Subversion, REST web services, Firefox/Firebug, CentOS, Red Hat Linux, and Microsoft Windows XP.
Led team that rapidly developed an intelligence reporting and dissemination prototype for a U.S. DoD/IC customer program. Responsibilities included monitoring of agency and IC standards, rapid prototyping, COTS software integration, installation, complex database design, implementation, maintenance, and integration of systems through database design, database administration, and system administration. Experience included reporting, dissemination, COTS software integration, link analysis, data visualization, Java, Visual Analytics Inc. (VAI) VisuaLinks, netViz netViz Professional, Borland JBuilder, Oracle 9i, Oracle Enterprise Manager, Sybase PowerDesigner, SQL, HTML, Sun Solaris, and Microsoft Windows NT/2000.