Hi, I'm

Kallum Cooper

Mid-Level Operations Engineer

I build reliable infrastructure with Terraform and automation — spanning AWS, Linux/Windows estates, and enterprise networking. This site is part of my Terraform module portfolio and as such was built using Terraform and hosted via AWS.

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About Me

Mid-level operations engineer with a strong background in automation, monitoring, and secure infrastructure. Previously served in the Royal Air Force in network-focused roles, delivering resilient solutions in high-pressure environments. I also run a Proxmox-based homelab and a Terraform/Ansible-provisioned Kubernetes cluster for continuous learning and portfolio work. Skills & tools
  • Terraform (modules, env stacks)
  • AWS (Route 53, ACM, CloudFront, S3)
  • Automation: Ansible
  • CI/CD pipelines
  • Docker & containerisation
  • Linux & Windows Server
  • VMware vSphere & Proxmox
  • Networking (design, security, firewalls)

Experience

Mid-Level Operations Engineer - Amplience
2026 - Present

Supporting and improving cloud infrastructure across AWS-focused environments, working closely with operations and engineering teams to keep systems secure, observable, resilient, and production-ready.

  • Provision, monitor, and maintain AWS infrastructure including compute, storage, IAM, networking, and supporting platform services.
  • Automate operational tasks with scripting and infrastructure-as-code using tools such as Terraform, CloudFormation, AWS CDK, Bash, and Python.
  • Apply security best practices across IAM, secrets, certificates, logging, vulnerability remediation, and environment configuration.
  • Support change management through planning, documentation, peer review, deployment checks, and post-change verification.
  • Investigate incidents, monitor service health and performance, and contribute to on-call operations and reliability improvements.
  • Collaborate with engineering teams on CI/CD pipelines, architecture decisions, production troubleshooting, and internal documentation.
Senior Infrastructure Engineer - Totally Group PLC
Apr 2024 - Present

Responsible for 24/7 infrastructure across physical/virtual platforms, networking, VPNs, firewalls, and cloud environments — with a focus on automation, monitoring, and security.

  • Automated critical patching across Windows and Linux using Ansible.
  • Architected and delivered a company-wide network redesign and a full Zabbix monitoring suite integrated into service workflows.
  • Improved AWS IAM security by removing root/shared credentials and implementing role-based least-privilege access.
  • Led a VMware to Hyper-V migration with minimal downtime and maintained service continuity.
  • Built and standardised SOPs / knowledge base to streamline ops and reduce toil.
Equipment Support Manager - Royal Air Force
Jan 2023 - Mar 2024
Managed multiple networking and satcom systems across distributed sites, coordinating fleet-wide updates and preventive maintenance while working with industry suppliers and stakeholders.
Network Manager
Dec 2021 - Jan 2023
Led and mentored a team of technicians; managed forecasting/inventory for multiple equipment types; planned and delivered networking + satcom deployments and integrations.
Network Engineer
Feb 2019 - Dec 2021

Designed and deployed network infrastructure across multiple sites using routing and VPN technologies.

  • Produced L2/L3 designs and diagrams for large multi-customer environments.
  • Enabled remote management/maintenance of backbone networks to improve uptime.
  • Virtualised physical servers to improve upgrade, backup, and DR processes.

Projects

Terraform modules library
Terraform AWS Modules
Terraform modules library
Reusable AWS Terraform modules (S3 private origin bucket, CloudFront static site, etc.) versioned via Git tags.
GitHub
kallumcooper.co.uk infrastructure
Terraform AWS IaC
kallumcooper.co.uk infrastructure
Production environment stack that composes the module library to deploy the live site on AWS (Route 53, ACM, CloudFront, private S3).
GitHub
Homelab platform (Proxmox + K8s)
Proxmox Kubernetes Ansible
Homelab platform (Proxmox + K8s)
3-node HA Proxmox cluster + NAS; monitoring stack (Grafana/Zabbix), and a Terraform/Ansible-provisioned Kubernetes cluster for experimentation.
N/A

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