| Technology | Rating, 1-5 | Comments | 
| Perl | 4 | This was my strongest programming language, but I haven't used it for several years. | 
| Golang | 2 | I used GoLang almost exclusively at Flux Factory. | 
| Python | 4 | Python has been my primary language since 2016. | 
| JavaScript | 3 | I have been writing some things in JavaScript for a long time, and have written some substantial applications with it in the past six years. | 
| C | 2 | Used to be a 5 here, but that was 1993 and before. | 
| Ruby | 2 | I have written some applications in Ruby. | 
| PHP | 2 | I have done some professional and private work in this language. | 
| Java | 1 | I have taken a class and have done some self development with it. | 
| C++ | 1 | I have done some limited projects with C++. | 
| Technology | Rating, 1-5 | Comments | 
| Cisco | 2 | A long time ago, I spent many years working with Cisco devices. | 
| Routing Protocols | 1 | A long time ago, I was familiar with OSPF, EIGRP and BGP. | 
| Network Design | 2 | A long time ago, I had substantial Network Design experience, LAN and WAN. | 
| F5 LTM/GTM | 3 | I have daily, practical experience with these products. | 
| MPLS | 1 | I was familiar with MPLS. | 
| Network Troubleshooting | 4 | I am very good at network troubleshooting and tracing. | 
| SNMP | 2 | A long time ago, I used it for many years. | 
| Network Management | 4 | This has been my core focus. | 
| HP OpenView | 1 | Many years ago, I have 4 years experience with this product. | 
| DNS | 3 | I first setup a name server in 1993, and I administrated it at LiveOps for four years. | 
| DHCP | 2 | I've worked with the Wal-Mart DNS/DHCP team for many years. | 
| Technology | Rating, 1-5 | Comments | 
| Linux | 5 | I've been almost daily using it since Kernel version 0.1, administrating since 1.0 | 
| AWS | 3 | I used AWS almost daily for several years. | 
| UNIX in general | 4 | I've been almost daily using it since 1989 | 
| IBM AIX | 1 | I used and administrated it between 1997 and 2009. | 
| HP/UX | 1 | I used and administrated it between 1997 and 2009. | 
| Solaris | 2 | I've been using it since 1989, heavily at first, more rarely since. | 
| Windows | 1 | I'm somewhat familiar with Windows. | 
| MacOS | 2 | I've had daily experience for a few years. | 
| Technology | Rating, 1-5 | Comments | 
| MySQL | 5 | This is the database engine I know best.  I've been using it since since 1996. | 
| MongoDB | 4 | A number of years ago, I had many years of deep daily experience developing against, interacting with and administrating mongoDB. | 
| Cassandra | 1 | I have done some work with it. | 
| Neo4J | 1 | I have done some work with it. | 
| Postgres | 2 | I have used it quite a bit at home for personal projects. | 
| Oracle | 1 | I have done some work with it. | 
| Informix | 1 | I have done some work with it. | 
| DB2 | 1 | I have done some work with it. |