Dana M. Diederich: Technical Skills Matrix

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Programming

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++.

Networking

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.

Security

Technology	Rating, 1-5	Comments
PCI	3	I was intimately familiar with PCI DSS, versions 1.0 through 3.0.
Change Management	3	I have used Remedy, Jira and other change management systems for 27 years.
Cryptography	2	Years ago, I had long experience installing, designing, implementing and administrating cryptographic systems.
Security Management	3	I had three years experience being an organizational Computer Security Manager.
Cisco TACACS	1	I had many years experience with Cisco TACACS.

Project Management

Technology	Rating, 1-5	Comments
Jira	3	I have several years experience with the ticketing and agile products.
Clarity	2	I had 3 years experience with this system.
Custom Automation	3	I have written some team-specific automation to compliment Clarity for Project Management.

Operating Systems

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.

Database

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.