DDI Consulting
DNS, DHCP, and IPAM infrastructure using Infoblox, BIND, and QIP. Includes enterprise-scale IPAM management, zone configuration, automation, and domain registration workflows.
Services
What I Offer
Section titled “What I Offer”Twenty-plus years of hands-on engineering, development, and documentation experience — available as consulting, contract, or project-based engagements.
Consulting & Engineering Services
Section titled “Consulting & Engineering Services”Linux / Unix Administration
Over 20 years managing RHEL, CentOS, and Unix infrastructure — DNS BIND configuration, zone file management, Infoblox DDI platforms, system hardening, and service automation.
Linux Scripting & Automation
Bash, shell, korn, zsh, and Perl automation for system administration, DNS record management, log parsing, and infrastructure workflows across mixed Unix environments.
Application Development
Full-stack development using Node.js, Perl, RESTful APIs, and database integration. Delivered as standalone web applications or backend automation tools.
Web & Infrastructure Services
Section titled “Web & Infrastructure Services”Basic Websites
Responsive, accessible websites built with HTML5, CSS3, JavaScript, Vue.js, Bootstrap, and Astro with Starlight. Focused on performance, accessibility, and maintainability.
Website Hosting & CI/CD
Deployment to GitHub Pages, Cloudflare, Heroku, AWS, GCP, and Azure. Includes GitHub Actions pipelines, Cloudflare Workers, and automated build/deploy workflows.
Network Diagrams
DNS topology, DHCP scope design, IPAM planning, and infrastructure architecture diagrams produced in Visio and OmniGraffle for technical and executive audiences.
Technical Documentation
End-to-end technical writing for sysadmins, developers, managers, and end users. Deliverables include runbooks, system architecture docs, API references, and process guides.