Samson Okuneye
United Kingdom
Summary
DevOps Engineer with over 5 years of experience in designing and managing fault-tolerant, secure, and scalable infrastructure using Terraform and Cloud - native solutions. Proficient in CI/CD pipeline development with Jenkins, automation tools like Ansible and Kubernetes, and container orchestration with Docker Swarm and ArgoCD. Skilled in managing both SQL (Oracle, PostgreSQL) and NoSQL (MongoDB) databases and deploying artifacts on servers like Tomcat and JBoss.
Extensive experience with Git/GitOps principles, scripting (Python, Shell, YAML, Groovy, Java), and static code analysis using SonarQube. Adept at collaborating across teams in Agile environments (SCRUM/KANBAN) and delivering high-performing infrastructure solutions. Known for effective communication, technical leadership, and knowledge transfer, consistently aligning solutions with organisational goals.
Overview
8
8
years of professional experience
Work history
DevOps Engineer (contract)
Carrtelcom
02.2021 - 11.2025
- Designed, deployed, and optimised CI/CD pipelines for a diverse range of applications, implementing GitOps principles to improve deployment efficiency, enhance system stability, and minimised production incidents.
- Participated in the migration of applications from monolithic architecture to microservices for ease of troubleshooting while bolstering security by 40%
- Build and configured Kubernetes Clusters, ensuring that nodes/pods can auto scale and load balance, leading to a reduction in deployment time
- Expertise in Infrastructure as Code (IaC) using Terraform and CloudFormation, automating infrastructure provisioning and configuration with Ansible and dynamic inventory to minimise manual errors and enhance deployment efficiency.
- Designed and deployed observability solutions using NewRelic, Prometheus, Grafana, and EFK/ELK, enabling end-to-end system monitoring, proactive incident management, and improved resilience through chaos testing.
- Conducting code reviews and ensuring proper documentation for code reusability
- Ensuring and maintaining bullet-proof security configurations in Linux (RedHat, Ubuntu), Docker, Kubernetes, Jenkins, etc
- Using Docker for containerisation with Docker Swarm and Kubernetes for container orchestration
- Provisioning and configuring infrastructure using Terraform, which is integrated with, AWS CLI/UI, Kops, Ansible, VPC, Route53, Private and Public subnets, Route Tables, IGW, EC2 instances, IAM, ELB, Autoscaling groups, CloudWatch, EFS, NFS, S3, Databases, Lambda Security Groups, NACLs, among others
- Collaborated with internal stakeholders to track key engineering metrics and optimise deployment strategies.
- Ensured compliance with security and regulatory standards, including cloud security best practices.
- Gathered and analysed internal user feedback, refining DevOps processes to improve developer productivity.
Devops Engineer/Cloud Engineer
Ministry of Innovation, Science & Technology
, Lagos,Nigeria
11.2019 - 01.2021
- Designed, developed, and maintained backend and frontend applications, ensuring optimal performance, scalability, and security while delivering user-friendly interfaces and seamless integrations.
- Managed user identities and credentials, ensuring a zero-trust security model and a secure platform. Implemented production change requests involving networking, databases, identity and access management, and other infrastructure configurations.
- Configured RDS and non-relational databases (Oracle, PostgreSQL, DynamoDB, Redshift, Aurora, etc.).
- Integrated third-party tools such as SonarQube, Splunk, HashiCorp Vault, Nexus, Artifactory, and CloudFlare into existing DevOps workflows, enhancing security, monitoring, artifact management, and overall operational efficiency.
- Configured hybrid cloud networks and Transit Gateways
- Participated in multiple DevOps operations that implemented the use of AWS DevOps offerings like Cloud Formation, Code Commit, Code Build, Code Pipeline, Cloud Watch, API Gateway, etc
- Configured AWS VPC with both public and private subnets, and set up Routing tables, Internet gateways, ACLs, and Security groups, resulting in a decrease in manual errors
- Managed and optimised the company's cloud infrastructure. Monitored system performance, identified potential issues, and reported on infrastructure and application scaling challenges.
- Managed cloud infrastructure while maintaining operational stability and security, including planned hardware and VM maintenance, patching, software upgrades, etc
- Built and maintained servers running on various operating systems such as RedHat, Ubuntu, Amazon Linux, and CentOS, including managing Windows server.
- Conducted root cause analysis for complex system failures, improving incident resolution efficiency.
- Managed security configurations for cloud-native environments, ensuring compliance with best practices.
- Executed production change requests related to networking, database, identity and access management, and other infrastructure configurations
- Facilitated effective communications among team members to deliver excellent results in complex environments
- Demonstrated excellent time management and interpersonal skills in the workplace
- Collaborated with cross- functional teams, ensuring seamless DevOps integration, project execution to meet both technical and business needs.
Junior DevOps Engineer
Regal Attorneys
, Nigeria
02.2018 - 10.2019
- Involved in the CI/CD process using GIT, Nexus, Jenkins job creation, Maven build, and creating Docker images to deploy in managed and self-managed Kubernetes multi-node clusters
- Built release engineering and configuration management system, including environment setup, build automation, continuous integration, scripting, and deployments
- Managed service provider status containers including Kubernetes, Docker, and Ansible, and automated tasks using Linux, resulting in increased system efficiency.
- Working in an agile environment – SCRUM & KANBAN.
- Built and maintained servers running on various operating systems such as RedHat, Ubuntu, Amazon Linux, and CentOS, including managing Windows server.
- Created and maintained Auto Scaling groups, IAM user roles and policies, EC2 Container Service (ECS), and Load Balancers in AWS, reducing downtime.
- Performed data migration across multiple Linux and Windows servers, and created and configured Red Hat, Ubuntu, CentOS, and Solaris virtual machines in AWS using EC2, VPC, subnets, route tables, and NAT Gateway.
- Configured AWS VPC with both public and private subnets, and set up Routing tables, Internet gateways, ACLs, and Security groups, resulting in a decrease in manual errors.
- Build and configured Kubernetes Clusters, ensuring that nodes/pods can auto scale and load balance.
- Automated infrastructure provisioning and configuration using Terraform and Ansible with Static & Dynamic Inventory while reducing manual errors.
- Facilitated effective communications among team members to deliver excellent results in complex environments.
- Demonstrated excellent time management and interpersonal skills in the workplace.
- Collaborated with team members to ensure timely delivery of projects.
Education
Bachelor's Degree -
Obafemi Awolowo University
Skills
✔CI/CD Pipeline Development & Automation (Jenkins, GitHub Actions)
✔ Infrastructure as Code (IaC) (Terraform, CloudFormation, Ansible)
✔ Containerisation & Orchestration (Docker, Kubernetes, Helm)
✔ Cloud Platforms (AWS, Azure)
✔ Observability & Incident Management (Prometheus, Grafana, ELK)
✔ Root Cause Analysis & Troubleshooting
✔ Security & Compliance (IAM, RBAC, Zero Trust, Secrets Management)
✔ Developer Tooling & Productivity Optimisation
✔ Scripting & Automation (Python,Java Script, Bash, Groovy, YAML)
✔ Technical Leadership & Mentorship
Languages
English
Yoruba
Personal Information
Custom
6,6
Timeline
DevOps Engineer (contract)
Carrtelcom
02.2021 - 11.2025
Devops Engineer/Cloud Engineer
Ministry of Innovation, Science & Technology
11.2019 - 01.2021
Junior DevOps Engineer
Regal Attorneys
02.2018 - 10.2019
Bachelor's Degree -
Obafemi Awolowo University