Roseline Monkam

Architected a GitOps delivery model using ArgoCD on EKS for more than 40 microservices, reducing manual release effort by 35%. Strengthened CI/CD pipelines with SonarQube SAST, Trivy container scanning, and OPA policy gates, preventing critical CVEs from reaching production. Managed and optimized AWS infrastructure, reducing spend by 18% while improving uptime by 20%. Implemented Istio service mesh across AKS workloads, built an AIOps observability stack with Datadog, Grafana, and OpenTelemetry, and launched a Backstage internal developer portal for six development teams. Enforced continuous compliance across AWS accounts and delivered disaster recovery planning supporting a 99.95% SLA.

Designed and managed CI/CD pipelines using Azure DevOps, Jenkins, GitLab, and Bitbucket, increasing release frequency by 70% while maintaining HIPAA and NIST compliance. Implemented Flux CD GitOps workflows on AKS for 25 production workloads. Integrated Checkov and OPA Gatekeeper into pull request controls, reducing security findings by 45%. Managed continuous compliance using Azure Security Center, Defender for Cloud, and Sentinel. Used Qualys and Tenable to reduce open vulnerabilities by 80%, standardized Terraform infrastructure across AWS and Azure environments, and automated configuration management across Linux and Windows servers with Ansible.

Built EKS observability using Rancher, Prometheus, and Grafana to improve security incident detection and mean time to resolution. Introduced FinOps governance using Reserved Instances, Spot Fleets, S3 lifecycle policies, and Instance Scheduler, reducing monthly AWS spend by 22%. Provisioned self-healing, multi-AZ infrastructure with Auto Scaling, ELB health checks, and failover routing. Automated infrastructure using Terraform and CloudFormation, reducing deployment cycle time by 50%. Configured CloudWatch alarms, SNS notifications, Lambda remediations, Ansible playbooks, and AWS Systems Manager across more than 150 nodes. Supported resilient RDS and ElastiCache deployments for high-transaction financial workloads.