Hands-on DevOps work
Case studies from Data Service Group, Stunnerz Global and the Ghana Revenue Authority, plus my own platform build. Employer systems are private, so those cards describe the problem, approach and result instead of linking to code.
From git push to production on EKS
My 2024 Jenkins-to-EKS pipeline rebuilt with GitHub Actions, signed images, Argo CD GitOps, canary releases and full observability.
Personal project · designed 2024, rebuilt 2026
AWSEKS
Terraform
GitHub Actions
Argo CDKyverno
Prometheus
GrafanaSecurity scanning built into GitHub Actions
SonarQube, Snyk and AWS Inspector run on every pipeline across Java, .NET and Python services.
Data Service Group · 2024 – nowGitHub Actions
SonarQube
SnykAWS InspectorCI/CD for containerised microservices
Pipelines that build, test, store artifacts and deploy Docker microservices to Kubernetes.
Data Service Group · 2024 – now
Jenkins
GitLab CI/CDAWS DevOps
Docker
KubernetesAWS cost optimisation without losing availability
Auto scaling, cost tagging and budget monitoring across EC2, ECS, EKS, Fargate and Lambda.
Data Service Group · 2024 – nowAWSAuto ScalingCost taggingBudgetsCentralised monitoring and observability
Logstash, Kibana, CloudWatch and Datadog in one monitoring picture.
Data Service Group · 2024 – now
Logstash
KibanaCloudWatch
DatadogHybrid infrastructure with Terraform and Ansible
Automated provisioning of compute, networking and storage across hybrid environments.
Data Service Group · 2024 – nowTerraform
AnsibleAWSLegacy services modernised onto OpenShift
Containerised legacy services with reusable Dockerfiles, Helm and GitOps workflows.
Data Service Group · 2024 – nowDocker
Helm
OpenShiftKubernetes
GitOpsBash and Python operations automation
Container lifecycle, log parsing, SSL certificate rotation and compliance validation.
Data Service Group · 2024 – now
Python
BashSSLComplianceElasticsearch to OpenSearch migration
Migrated Elasticsearch clusters to OpenSearch on AWS with Kibana dashboards in every environment.
Stunnerz Global · 2022 – 2024
OpenSearch
ElasticsearchKibanaAWSRHEL 7 to RHEL 8 upgrade
Fleet upgrade orchestrated with Chef and Ansible.
Stunnerz Global · 2022 – 2024
RHEL
ChefAnsibleLegacy Jenkins pipelines redesigned
Continuous delivery for .NET Core, Java and Node.js microservices on Tomcat and NGINX.
Stunnerz Global · 2022 – 2024Jenkins
.NET Core
Java
Node.jsEKS and AWS platform with Terraform
Load balancers, Auto Scaling groups and EKS clusters via Terraform and CloudFormation.
Stunnerz Global · 2022 – 2024EKSTerraformCloudFormationDatadogELKEncrypted NGINX ingress on OpenShift
Production-grade ingress with end-to-end encryption for internal microservices.
Stunnerz Global · 2022 – 2024
NGINXOpenShiftTLSControlled egress with Squid proxies
Squid proxy servers in private AWS subnets for controlled outbound traffic.
Stunnerz Global · 2022 – 2024AWS VPCNetworkingLinux fleet automation for national tax systems
Patching, log rotation, backups and agent rollout scripted for 100+ servers.
Ghana Revenue Authority · 2015 – 2022BashPythonRHEL
CentOS
UbuntuProactive server monitoring with Nagios
Nagios plus custom checks for real-time performance and health diagnostics.
Ghana Revenue Authority · 2015 – 2022Bash
Linux