01 · Physical systems
Appliance repair
Diagnosis and repair for common household appliance systems, including sealed refrigeration, washers, dryers, ovens, and related controls.
- Symptom and failure isolation
- Electrical and mechanical diagnosis
- Control, sensor, and component faults
- Repair-vs-replace guidance
02 · Circuit level
Electronics repair
Board-level troubleshooting for damaged components, power problems, connectors, intermittent faults, and repairable control electronics.
- Visual and electrical inspection
- Component-level diagnostics
- Soldering and rework
- Part replacement and verification
03 · Computing
Computers & Linux systems
Practical support for computers, Linux workstations, servers, storage, backups, and virtualization.
- Fault diagnosis and data-conscious recovery
- Reinstallation and performance work
- Linux and system service configuration
- Proxmox, containers, storage, and backup planning
04 · Connectivity
Networks & security
Network design and troubleshooting with attention to reliability, visibility, and appropriate trust boundaries.
- Wi-Fi and wired network diagnosis
- pfSense, firewall, and VLAN planning
- VPN, DNS, filtering, and privacy
- TLS routing and self-hosted services
05 · Planning
Technical consulting
Architecture, troubleshooting, and implementation guidance for home, small-office, and self-hosted systems.
- System and homelab design
- Backup and recovery planning
- Security and access reviews
- Automation and operational documentation
06 · Cross-discipline
Custom technical work
Some problems involve hardware, software, networking, and process at the same time. I can help define the problem and build a sensible path through it.
- Unusual diagnostics
- Small tools and integrations
- Hardware/software boundary problems
- Feasibility and scope reviews