Stephen Catlow

Senior DevOps Engineer • Cloud Infrastructure & Automation • Infrastructure Auditor

stephen@catlow.iolinkedin.com/in/stephencatlow

Security Clearance: Held - level available upon request in secure discussion / interview.

Professional Summary

Results-driven Senior DevOps Engineer with extensive experience designing, implementing, and optimizing cloud-native infrastructures across AWS and Azure. Expert in container orchestration with Kubernetes and Docker, infrastructure as code using Terraform, and building robust automation pipelines that accelerate delivery while ensuring reliability and security.


Proven track record of automating complex deployments, resolving critical production issues through systematic problem-solving, and driving operational efficiency in fast-paced environments. Skilled at bridging development and operations teams to deliver scalable, resilient systems with minimal downtime. Passionate about GitOps practices, observability, and continuous improvement in multi-cloud ecosystems.


Leverages AI to enhance productivity, from generating and reviewing Terraform configurations and Kubernetes manifests, to accelerating debugging and incident root-cause analysis, predicting potential failures in pipelines, and optimizing resource allocation, allowing greater focus on strategic architecture, innovation, and high-value engineering outcomes.

Professional Experience

Home Office

[September 2024 – Present]

• Senior position supporting multiple projects
• Mentoring junior members of teams in best practices and deployments into Production environments
• Writing Terraform modules for already deployed infrastructure and bringing it in line to IaC best practices
• Deployed and managed containerised applications onto EKS clusters
• Worked with Azure Data Factory for data migration
• Deployed and manage PowerApps
• Built CI/CD pipelines using Azure DevOps
• Managed permissions and roles
• Diagnosing and providing advice on projects to help them go forward
• Leveraging AI to build pipelines, write modules and speed up delivery

CACI

[April 2022 – September 2024]

• Worked with Azure / AWS
• Migrated project from on-prem to Azure
• Created / Modified and deployed Terraform modules using Terragrunt
• Built CI/CD pipelines using GitHub Actions / Azure DevOps and GitLab
• Worked with Azure AKS and EKS daily
• Configured and used Azure KV for use with Ansible Playbooks
• Supported Production environments as well as on-call
• Deployed testing suite using JMeter / BlazeMeter

Raytheon Systems Limited

[July 2021 – April 2022]

• Worked with Azure Cloud
• Created / Modified and deployed Ansible Playbooks
• Created / Modified and deployed Terraform modules
• Built CI/CD pipelines using GitHub Actions / Azure DevOps
• Worked with Azure AKS
• Configured and used Azure KV for use with Ansible Playbooks
• Migrated resources across subscriptions
• Deployed Azure resources using Terraform to multiple Environments

Lloyds Banking Group

[June 2020 – July 2021]

• Worked with IBM Cloud
• Worked with IBM Urban Code Deployment CI/CD
• Configured and deployed Kubernetes resources via Helm
• Built Jenkins CI/CD pipeline to create container images and deploy them to IBM ICP
• Configured Istio for ingress/egress
• Configured Vault for secret management / Cert creation
• Worked with IBM DB2 Database

NBrown

[October 2019 – June 2020]

• Configured Kong endpoints / authorisation
• Created and managed GitLab CI/CD pipelines
• Deployed solutions using AWS ECS and Fargate
• Wrote and deployed Docker containers
• Wrote and deployed Terraform modules
• Worked with developers to create GitLab CI/CD pipelines to test and deploy container images to AWS ECR, and then deploy to AWS ECS
• Worked with Postgres databases

ITV

[July 2018 – October 2019]

• Created infrastructure for two new projects as a Junior engineer with support from senior
• Created Terraform modules and updated them using tags as project matured
• Created Jenkins CI/CD pipeline in Groovy to run in multiple environments
• Worked with Puppet to standardize configuration for all instances
• Containerised microservice app for migration into EKS

H.M Forces

[March 2006 – April 2018]

• Worked as Logistics support
• Range qualified / Taught firing and safe handling of weapons
• Deployed to Afghanistan / Northern Ireland / Belize / Germany
• Navigation instructor
• Jolly good fun, would recommend.

Certifications

• HashiCorp Certified: Terraform Associate (004)
• Microsoft Certified: Azure AI Fundamentals
• Microsoft Certified: Azure Fundamentals
• LPI Linux essentials
• CompTIA Network+
• CompTIA A+
• ILM Level 4 Leadership and Management
• Microsoft Certified: Azure Administrator Associate
• AWS Certified: SysOps Administrator
• AWS Certified Solutions Architect
• Certified Kubernetes Administrator