↓ Skip to main content
Tristan Findley

Technology Stack Experience

Tiers (usage-based — what’s central to MY practice, NOT a mastery/complexity rating):

  • ⭐ Core (central to how I work; I reach for it regularly, in production)
  • ● Proficient (used to deliver real work; independent) · ◐ Familiar (projects / homelab / exposure)
  • ○ Learning. This rates centrality, not expertise — “Terraform is core to my work” is a fact, not a boast.

⭐ Core strengths: Ansible · Terraform · Linux · HashiCorp Vault · Docker · VMware · Git · Bash · sovereign / secure & air-gapped infrastructure

Automation & Infrastructure as Code (signature area)
#

  • ⭐ Core: Ansible · Terraform · Vault (internal PKI/CA, ACME, secrets, HSM integration) · Git (GitLab/GitHub/Gitea/Bitbucket)
  • ● Proficient: Packer · Rundeck · Semaphore (automation delivery) · PXE/Kickstart · Chef (dated — Surrey)
  • ◐ Familiar: CI/CD (GitLab pipelines) · Molecule · Consul (light/dated)

Containers & Orchestration
#

  • ⭐ Core: Docker
  • ● Proficient: Docker Swarm · Traefik
  • ◐ Familiar: Podman · OpenShift (exposure)
  • ○ Learning: Kubernetes (active priority)

Cloud & Virtualisation
#

  • ⭐ Core: VMware (vCloud Director, vSphere, ESXi) · Private / Sovereign cloud
  • ● Proficient: Proxmox
  • ◐ Familiar: KVM · Oracle Cloud Infrastructure (OCI) · AWS

Operating Systems
#

  • ⭐ Core: Linux — RHEL, Debian, Ubuntu, CentOS, SUSE (primary, ~20 years)
  • ● Proficient: Windows Server (& Desktop) · macOS

Security & Compliance
#

  • Frameworks & standards: FitSM (Foundation; Process Owner – Change Mgmt) · ISO27001 · NIS2 · ITIL · Cyber Essentials
  • ⭐ Core: OS hardening · PKI / certificates (Vault internal CA, ACME, HSM integration) · classification-aware & air-gapped deployment
    • (Vault open-source: Core. Vault Enterprise features: less familiar.)
  • ● Proficient: SIEM (Wazuh, Graylog, OpenSearch/Elasticsearch) · firewalls (iptables, firewalld, UFW) · penetration-test remediation · DevSecOps · Zero Trust
  • ◐ Familiar: OPNsense · pfSense

Monitoring & Observability
#

  • ● Proficient: Zabbix · OpsView (Nagios) · Graylog · Uptime Kuma
  • ◐ Familiar: Prometheus · Grafana

Networking
#

  • ● Proficient: Ubiquiti UniFi (multi-site live deployments) · HAProxy · KeepAliveD · DNS (BIND/named, FreeIPA) · structured cabling, rack/patch
  • ◐ Familiar: HP ProCurve / Aruba (dated) · Mikrotik · OPNsense / pfSense · Netbird (mesh) · AdGuard Home

Storage & Backup
#

  • ● Proficient: Quantum StorNext (~1 PB migration — Surrey) · MinIO (S3) · SAN administration
  • ◐ Familiar: Dell EMC · Dell FluidFS · OnStor (all dated — Surrey/RHUL)

Databases (operational, not DBA-level)
#

  • ◐ Familiar: PostgreSQL · MongoDB · MariaDB (Galera, MaxScale) · MySQL

Identity & Directory
#

  • ● Proficient: LDAP / Active Directory · FreeIPA · Samba
  • ◐ Familiar: Kanidm (SSO) · Kerberos · Open Directory

Web, Mail & Services
#

  • ● Proficient: Apache · nginx
  • ◐ Familiar: Traefik (see Containers) · Postfix · Dovecot · Sendmail · Nextcloud · Immich

Asset & Service Management
#

  • ● Proficient: NetBox · Device42 (CMDB) · Ivanti Service Manager · Confluence / Jira
  • ◐ Familiar: osTicket · GLPI · InfoBlox

Languages & Scripting
#

  • ⭐ Core: Bash
  • ● Proficient: Python
  • ◐ Familiar: PowerShell · Batch · Make

Practices & Methodologies
#

  • ⭐ Core: Infrastructure as Code · immutable infrastructure (“flock of sheep, not pets”)
  • ● Proficient: DevSecOps · Agile / Scrum · ITIL & FitSM change/incident management
  • ◐ Familiar: CI/CD · TDD
  • ○ Learning: GitOps