Technical Skills
A practical overview of my technical skills and experience across infrastructure, systems, automation, monitoring, networking and security. Each area reflects technologies I have worked with professionally or through hands-on engineering projects.
Red Hat Linux · AIX · Solaris · UNIX
More than 20 years of commercial UNIX and Linux infrastructure experience supporting business-critical systems in enterprise environments, including production support, patching, automation, migrations, monitoring, backup and recovery.
View related work →VMware · Oracle VM · Proxmox VE
Long-standing professional experience working with VMware virtualised infrastructure, complemented by current hands-on design and operation of a two-node Proxmox VE cluster. Experience covers virtual machine administration, infrastructure troubleshooting and operational support, alongside Proxmox clustering, quorum, Corosync networking, LXC and QEMU/KVM workloads, backup and recovery.
View related work →Docker · Docker Compose · Komodo · Kubernetes/K3s
Operational Docker workloads with lifecycle management through Komodo. Previous Kubernetes/K3s experience will be refreshed with a new current-platform deployment.
View related work →Ansible · Bash · Git · Terraform · GitHub Actions
Professional Linux patch automation progressed from Bash to Ansible; current engineering work uses Git-managed, repeatable and rollback-aware infrastructure change.
View related work →Prometheus · Grafana · Alertmanager · Loki · Alloy · Zabbix · Blackbox
Central monitoring, metrics, logging, dashboards, probing and alerting across infrastructure and services, including custom operational metrics.
View related work →Networking · DNS · VPN · VLANs · Firewalls · Antivirus / Endpoint Security · Greenbone · Suricata · Zeek
Experience across network troubleshooting, DNS, VPNs, switching and firewalling, together with antivirus and endpoint security administration. Current hands-on work includes redundant DNS, OpenVPN, vulnerability management with Greenbone, and network security monitoring using Suricata and Zeek.
View related work →Jenkins · Gradle · Docker · Trivy · GitHub Actions · ITIL
Delivery experience spans controlled infrastructure change, CI/CD labs, security scanning, documentation, operational handover and technical leadership.
View related work →