I'm around IT Infrastructure Services, IT Security, supporting Dev's and working in Infra-Ops at Plan International Deutschland e.V. in Hamburg, Germany.
I have experience with, in no particular order:
- Programming- and Scripting-Languages: Python 3, C#, Bash / ZSH, PowerShell, JavaScript, Java, Opsi WINST
- Public Key Crypto: PGP / GPG, SSL / TLS / X509, PKI
- E-Mail Hosting: Postfix, Exchange (I don't want to work with it)
- E-Mail Security: SPF, DKIM, DMARC, Rspamd
- SDS: Ceph RBD and FS, OpenZFS
- SDN: Some basic stuff with Open vSwitch
- Other Storage: Basic Raid Controler mangement, HPE MSA, HPE 3PAR
- DNS: Bind9 as authoritative server and recursive resolver, Unbound DNS Resolver, DNSSEC, DoT
- NTP: Simple NTPd server to provide time for the local site
- VCS: GIT, TFVC and SVN
- Container: Docker, Docker-Compose, Kubernetes / k8s (just played around with it a little bit here and there)
- Atlassian: Jira and Confluence On-Prem hosting and administrator
- PowerShell: Appart from some basic automating tasks; I've created a small script collection to basically replace KiXtart. Note to self: put it in a public GIT repo 😅
- VMware: vSphere ESXi since version 3.5, vCenter Server since version 5u3, Horizon View since circa 2014
- QEMU / KVM: Mainly via Proxmox since about version 4.3. I'm also using plain QEMU / KVM on my personal workstation
- Web-Servers: Nginx, Apache 2 (got replaced by Nginx), IIS (I don't want to work with it)
- .NET and C#: ASP.NET MVC, EF6, EF Core, .NET Core, .NET Standard
- Networks: The basics (a bit of the physical stuff, standard stuff like VLAN's, IP4 and IP6 local network routing) and other basic network services like DHCP and others mentioned separately. Basic Wireshark skills present 🧐
- Network Security: Basic stateful firewalls like, PFsense, OpnSense, Watchguard XTM (I don't want to work with it), VyOS, Netfilter, Iptables, NFqueue, Windows Firewall
- Microsoft: Basic AD Ops, AD Cross-Domain and Forest trust enviroments (but only with little to no practice), HyperV (I don't want to work with it), MS SQL (basic Ops, not DBA level), MS CA Services, Azure DevOps Server (On-Prem)
- Monitoring: Prometheus, Grafana, Elasic Search / OpenSearch, Elastic Logstash, creating custom Prometheus Exporters
- To Be Continued...
Noteworthy things I want to get into or get better at, in no particular order:
- Programming- and Scripting-Languages: Rust, Python 3, C#
- E-Mail Hosting: Maillisting and Bulk-Sending
- E-Mail Security: SRS, MTA-STS, DANE, ARC, TLS-RPT
- Container: Kubernetes / k8s
- Networks: IP6 in general, IP6-only networking, OSPF, IS-IS, BGP
- Security in general: SIEM
- Monitoring: Prometheus, OpenSearch, Elastic Logstash, Automated (reactive and proactive) actions
- Microsoft: AD Cross-Domain and Forest trust
- To Be Continued...