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Open To Work
WINFRED DON-AKI
Senior Devops Engineer
York,PA
Work Preference
Summary
Dedicated DevOps, Cloud, Platform, Infrastructure, and DevSecOps, with a strong focus on collaboration and effective communication across cross-functional teams to deliver scalable cloud infrastructure and optimize system performance. Recognized for proactive problem-solving abilities and a commitment to fostering a culture of reliability and continuous improvement. Demonstrates adaptability in fast-paced environments and an aptitude for managing complex incidents with a calm, analytical approach. Proven ability to lead initiatives that enhance operational efficiency, drive cost optimization, and ensure compliance with industry standards.
Overview
11
11
years of professional experience
4
4
years of post-secondary education
Work History
Senior Devops Engineer/SRE
Concentra
York, PA
03.2026 - Current
- Collaborated with cross-functional teams to design, implement, and maintain scalable and reliable infrastructure for critical web applications in AWS and Azure.
- Worked closely with software developers to promote best practices in reliability, performance, and scalability.
- Monitored system performance, analyzed logs, and implemented automated alerts to proactively identify and resolve issues, minimizing downtime using Monitoring and Alerting tools like Prometheus, AlertManager and graphing/dashboarding using Grafana.
- Utilized Datadog for comprehensive monitoring and analytics, enabling proactive detection and resolution of system performance issues across cloud infrastructure.
- Leveraged Datadog's dashboards and alerts to optimize application performance, enhance incident response times, and improve overall operational efficiency.
- Conducted incident response and post-incident reviews, identifying root causes and implementing preventive measures to enhance system reliability and logging with Splunk.
- Hands-on building of cloud infrastructure and automation by writing software and infrastructure as code.
- Implemented CI/CD pipelines and automated deployment processes to improve application delivery efficiency using Jenkins, Octopus and TeamCity.
- Integrating and standing up tools and vendors as required, using Palo Alto Cortex XSOAR automation to detect vulnerabilities and fix gaps by writing playbooks.
- Contributed to capacity planning and optimization efforts, ensuring resources were provisioned cost-effectively.
- Managed and optimized cloud-based resources and containerized applications (Docker, Kubernetes).
- Scripted in Python and used various configuration management tools (e.g., Ansible) to automate routine tasks and configurations.
- Assisted in disaster recovery planning and testing to maintain business continuity using services and resources in AWS.
- Documented system configurations, processes, and procedures for knowledge sharing within the team.
- Linking up services with Azure Data Bricks, including VNET settings.
- Used Snowflake to ensure highly scalable way of storing data and processing vast amounts of structured data in real time.
Cloud/DevOps Engineer
Baylor Medical Center
Dallas, TX
11.2019 - 03.2022
- Managed and optimized cloud infrastructure, implementing automated solutions and monitoring systems to enhance performance, security, and cost efficiency across multiple environments.
- Optimized AWS infrastructure, achieving a 30% cost reduction by enhancing strategic design and implementing Infrastructure as Code using Terraform for consistent, automated deployments.
- Set up Monitoring, Alerting, and Dashboards using Prometheus, AlertManager and Grafana.
- Designed and constructed intricate, end-to-end automated CI/CD pipelines, leveraging a suite of interconnected tools for streamlined software delivery and deployment.
- Implemented continuous monitoring solutions utilizing NewRelic, Prometheus, and Grafana, ensuring real-time insights into system performance and health.
- Orchestrated log management through ELK (Elasticsearch, Logstash, and Kibana), facilitating efficient log analysis and troubleshooting.
- Proficiently installed, configured, and managed various web/application servers, including JBoss/Wildfly, Nginx, Apache, and Tomcat, optimizing server performance and reliability.
- Proficiency in provisioning, resizing, and deploying Elastic Compute resources on AWS and Google Cloud, effectively managing cloud infrastructure.
- Strengthened security configurations across Linux, Windows, Docker, and Kubernetes environments, fortifying system defenses and compliance.
- Leveraged Docker for containerization alongside Docker Swarm and Kubernetes for robust container orchestration, ensuring seamless application scaling.
- Played a pivotal role in building and configuring Kubernetes clusters, enabling autoscaling and load balancing of nodes and pods.
- Automated infrastructure provisioning and configuration using Terraform and Ansible, with dynamic inventory management, streamlining deployment workflows.
- Enhanced cloud security infrastructure by implementing AWS Key Management Service encryption, firewalls, and S3 bucket policies, leading to a 90% reduction in security vulnerabilities and effective mitigation of DDoS attacks.
- Streamlined incident management by configuring CloudWatch alarm rules, achieving a 40% decrease in incident resolution time.
- Automated security controls and compliance validation, ensuring adherence to HIPAA and GDPR standards with a 95% pass rate in security audits.
- Provisioned and configured AWS infrastructure components using Terraform, AWS SDK, AWS CLI/UI, kops, and Ansible, including VPC, Route53, subnets, EC2 instances, IAM, ELB, autoscaling, CloudWatch, EFS, NFS, EBS, S3, databases, Lambda, security groups, NACLS, and more.
- Demonstrated expertise in various database management systems, including MySQL, PostgreSQL, SQL, and MongoDB.
Linux System Administrator
Globacom Telecommunication
Lagos, Nigeria
02.2015 - 03.2019
- Created and maintained user/service accounts, passwords and profiles, home directories, initialization of files, group creation management.
- Scheduled maintenance of client system, configuration management, data backup, performing system upgrades, and scaling up of system hardware to improve overall system performance.
- Performed operating system and application software installation on Linux. System configuration and management. Formatted and installed operating system, created disk partition.
- Troubleshot boot configuration, system start-up problems, software issues, and other network connectivity issue.
- Performed virus scan and system cleanups, back up, upgrade, patching, manual scaling, and data recovery from corrupt or damaged hard drives.
Education
Bachelor of Science - Computer Science
Usmanu Danfodiyo University
Nigeria 08.2009 - 09.2013
Skills
- Cloud Architecture
- System Reliability
- Automation
- Performance Tuning
- Security Best Practices
- Incident Management
- Disaster Recovery
- Cost Optimization
- Compliance Management
- Monitoring Solutions
- Configuration Management
- Continuous Integration/Deployment
- Infrastructure as code
- Software testing
- Containerization technologies
Timeline
Senior Devops Engineer/SRE
Concentra
03.2026 - Current
Cloud/DevOps Engineer
Baylor Medical Center
11.2019 - 03.2022
Linux System Administrator
Globacom Telecommunication
02.2015 - 03.2019
Bachelor of Science - Computer Science
Usmanu Danfodiyo University
08.2009 - 09.2013