1 |
Linux |
22 years |
RHEL,Debian,Ubuntu,kickstart,PXE, LDAP,SSSD,RPM/Deb package creation, quotas,extended permissions, clustering, NFS, Samba |
2 |
Unix |
5 years |
HPUX/Solaris |
3 |
Windows |
22 years |
Server (2008 2016), Windows client automated deployment (7,8,10,11), Active Directory, Group Policy, WSUS, Certificate Services, AD DNS, AD DHCP, complex multiple forest and domain setups, LDAP |
4 |
Free/Libre/Open Source Server software Free/Libre/Open Source software |
22 years |
Apache, Postfix, Qmail, Dovecot, Courier, Nginx, Matamo, Discourse, Wordpress, Mautic,Dolibarr, Revive, Firefly, Cloudron, Coolify, Gitea, Gitlab, GitHub, Git, Jenkins, Rundeck, N8N, Mysql,Postgresql, LetsEncrypt, ACME, cfssl Apache, Postfix, Qmail, Dovecot, Courier, Nginx, Matamo, Discourse, Wordpress, Mautic,Dolibarr, Revive, Firefly, Cloudron, Coolify, Gitea, Gitlab, GitHub, Git, Jenkins, HomeAssistant,Rundeck,N8N,LetsEncrypt, ACME, cfssl |
5 |
Databases |
22 years |
MySQL,PostgreSQL, Dbeaver,PHPMyAdmin,PostGIS |
6 |
Cyber Security |
22 years |
PCI Compliance (tier 1 implementations), OpenVAS<, Lynis, security hardening, audits, breach response and mitigation, patch and vulnerability management. AppArmor, SeLinux, Centrify, Tripwire, Integrit, OSSEC |
7 |
Networking |
22 years |
Linux Virtual Server, HAProxy, Ubiquiti Unifi, Opnsense, Pfsense, HP, Cisco, Arista, Dell, DNS, DHCP, IPAM, PXE, IPS, IDS, GRE, IPSEC. Wireguard, OpenVPN, Nebula, Tailscale, RADIUS. Mostly layer2 data center/campus/access some WAN,firewall,layer3 |
8 |
Monitoring |
22 years |
Uptime Kuma, Librenms, Zabbix, Zenoss, Nagios, ELK (Elasticsearch, Logstash, Kibana) |
9 |
Virtualization |
22 years |
VmWare, Parallels,HyperV, KVM, Xen |
10 |
Cloud |
5 years |
AWS, Azure, GCP, Kubernetes |
11 |
Containerization |
15 years |
LXC, Docker,OpenVZ |
12 |
Configuration management/InfrastructureAsCode(IAC) |
22 years |
FetchApply, Terraform/OpenTOfu, Ansible, Hashicorp Packer/Vault FetchApply, Terraform/OpenTOfU,Ansible, AWX,Hashicorp Packer/Vault |
13 |
Ticket / incident / project management |
22 years |
Jira, ServiceNow,Redmine,RT |
14 |
Git |
15 years |
Branching, merging, multiple teams, external vendors, submodules |
15 |
SRE |
4 years |
Grafana, Prometheus, Signoz, Wazuh |
16 |
LLM |
2 years |
OpenWebUI, Apple Silicon, QA/validation, RAG, data cleaning/prep |
17 |
Programming |
5 years |
J2ME,PHP,Ruby,TCL/TK,Java,C,C++ |
18 |
Automation |
22 years |
Bash,PowerShell,Perl Bash,YAML,TOML,PowerShell,Perl |
19 |
Embedded development |
5 years |
Raspberry pi, arduino, seeduino, Lego Mindstorms |
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