Sylvanus CHIME
Calgary
Summary
Accomplished Senior DevOps Engineer with extensive experience at Southern Alberta Institute of Technology, adept at automating CI/CD pipelines and enhancing application reliability. Proficient in Terraform and Ansible, I excel in fostering collaboration within cross-functional teams, achieving a 90% improvement in deployment consistency while driving innovation in cloud infrastructure management.
Overview
10
10
years of professional experience
Work History
Senior DevOps Engineer/Middleware Administrator
Southern Alberta Institute of technology (SAIT)
11.2022 - Current
- Highly skilled in building, provisioning and managing secured, highly scalable, reliable infrastructures using CloudFormation in AWS and Terraform across cloud platforms
- Excellent hands-on experience in building and managing highly secured CI/CD pipelines, for efficient, and reliable application build, code versioning, tests and release processes which improved consistency by 90%
- Managed DevOps platforms that ensure and maintain continuous development and integration cycles using agile methodology.
- Led Ansible installation and configuration on the Red Hat 8 management server, which eliminated human errors and reduced manual effort by 95% through end-to-end automation.
- Experience in managing Red Hat OpenShift environments.
- Adept at collaborating with cross-functional teams and business units for improved continuous delivery system implementation and excellent customer satisfaction.
- Migrated legacy applications to Docker-based solutions, enhancing scalability and reliability.
- Developed Infrastructure as Code (IaC) architecture for managing the technology suite.
- Strong experience in setting up and managing multiple GitHub repositories, user and team access administration, and raising pull requests before every merge to the main branch.
- Participated in migrating legacy applications on RHEL 7 VMware server to Docker-based applications on RHEL 8 VMware server.
- Experience with disaster recovery architectures, processes, and tests.
- Experienced in Linux system tools (netstat, tcpdump, traceroute, etc.).
- Experience in building, configuring, and managing Kubernetes clusters ensuring that pods can auto-scale as required to handle production challenges
- Strong experience in writing various Kubernetes manifest files used for Java and python-based applications deployments
- Have excellent experience and a firm understanding of networking technologies such as firewall, DNS and routing
- Experienced in mentoring, coaching a team of DevOps Engineers and sharing knowledge within the team
- Configured and deployed Prometheus and Grafana for end-to-end monitoring, providing real-time insights into system performance and availability
- Expertise in configuring tools like CloudWatch, Zabbix, etc., to monitor applications ensures reliability, high availability, security, and performance.
- experience directly managing Kubernetes environments and other production services in an enterprise using both Infrastructure as Code and cloud-based infrastructure.
- Expertise in managing different network traffic layers, including Layer 7, using technologies like Envoy and Nginx.
- Experience in applying different security vulnerability remediations.
- Participates in a before/after-hours on-call duty rotation to ensure reliable 24/7 operations.
- Led teams in adopting modern tools like Ansible for automated configuration management, and participated in architectural discussions to guide strategic decisions.
- Experience working in or for the public sector.
Senior DevOps/ Site Reliability Engineer
Htech
09.2017 - 10.2022
- Designed reusable and modular Terraform configurations for consistency across multiple environments (e.g., development, staging, production)
- Created and managed CI/CD pipelines to manage code versioning, continuous integration, and continuous deployment
- Created and managed multiple GitHub repositories, raising and reviewing pull requests before every merge
- Proficient at writing ansible roles and playbooks for automating applications installation, new release upgrades and managing configurations remotely
- Managed and scaled production environments in AWS and Azure, leveraging services such as EC2, S3, RDS, and Kubernetes (EKS)
- Built Dockerfiles and deployed Docker containers for implementing Microservice Architecture, which improved speed, reliability and scalability
- Built, configured, and managed Kubernetes clusters (EKS) ensuring that pods can auto-scale as required to handle production challenges
- Strong experience in writing various Kubernetes manifest files used for application deployments
- Reduced the deployment time of applications by 60% by automating all the manual steps
- Expertise in AWS core services; AWS CLI, EC2, VPC, CDN, Route53, Subnets, Internet/Application Gateway, IAM, Elastic Load Balancers, Autoscaling groups, CloudWatch, CloudFormation, EFS, NFS, EBS, S3, RDS, Lambda, security groups, NACLs, etc
- Integrated Legacy applications with newly developed applications to enable application interactions, data sharing and a microservice Architecture using software integration approaches such as REST, SOAP, FTP etc
- Have excellent experience and a firm understanding of networking and internet protocols such as SMTP, DNS, TCP/IP, UDP and HTTP/HTTPS
DevOps Engineer
SOLTAN TECHNOLOGY
09.2016 - 09.2017
- Monitored builds, GIT check-ins and administrated access management
- Created and managed multiple GitHub repositories
- Supported product release management and patch set release
- Automate the build and deployment Processes Using Jenkins jobs
- Making Application, Reports and Script ready for new application releases
- Troubleshooting builds & Release related issues
System Administrator
SOLTAN TECHNOLOGY
09.2015 - 09.2016
- Perform operating system installations and update as well as carry out system backup and restore when needed
- Troubleshooting performance issues, and Internet/network connectivity issues across multiple computer systems within a LAN
- Monitored server events and performance logs with Prometheus and Grafana
- Ensure network security by applying and enforcing password policies
Education
Master of Science - Energy Systems Engineering
University of Surrey
09.2017
Bachelor of Engineering - Mechanical Engineering
The University of Nigeria Nsukka
07.2011
Skills
- GitHub
- Git
- Jenkins
- AWS CodePipeline
- ArgoCD
- SonarQube
- Maven
- Nexus
- Docker
- Kubernetes
- Helm Chart
- Ansible
- Terraform
- Prometheus
- Grafana
- Datadog
- Bash
- PowerShell
- Python
- GO
- YAML
- JSON
- Unix/Linux
- Windows
- Jira
- ServiceNow
- Confluence
- AWS
- Azure
- Oracle
- MongoDB
- SQL Server
- PostgreSQL
- MySQL
Timeline
Senior DevOps Engineer/Middleware Administrator
Southern Alberta Institute of technology (SAIT)
11.2022 - Current
Senior DevOps/ Site Reliability Engineer
Htech
09.2017 - 10.2022
DevOps Engineer
SOLTAN TECHNOLOGY
09.2016 - 09.2017
System Administrator
SOLTAN TECHNOLOGY
09.2015 - 09.2016
Master of Science - Energy Systems Engineering
University of Surrey
Bachelor of Engineering - Mechanical Engineering
The University of Nigeria Nsukka
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