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  • Atlas Computer Technology
  • Addis Ababa, Ethiopia
  • 00:40 (UTC +03:00)
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natnaela-devops/README.md

Natnael Amsalu

DevOps & Site Reliability Engineer | AWS Certified Solutions Architect | Kubernetes & Cloud Infrastructure

DevOps and Site Reliability Engineer with 3+ years of experience supporting Linux platforms, Kubernetes/RKE2 environments, and distributed services across banking and public-health systems. I work on reliable delivery, incident troubleshooting, observability, infrastructure automation, networking, identity, data platforms, and clear operational documentation.

My strongest hands-on experience is in on-premises and cloud-native infrastructure. My AWS knowledge is certification-backed and reinforced through labs and architecture exercises; I do not present it as production AWS operating experience.

Based in Addis Ababa, Ethiopia, and open to international DevOps, Cloud, Platform Engineering, and Site Reliability Engineering opportunities.

What I bring

  • Platform operations: Linux, Kubernetes, RKE2, Rancher, Docker, Helm, Longhorn, networking, storage, upgrades, rollouts, and troubleshooting
  • Reliability engineering: incident response, health checks, observability, capacity awareness, failure drills, runbooks, and evidence-based production readiness
  • Delivery automation: GitHub Actions, GitOps, Argo CD, container pipelines, Kustomize, Ansible, and repeatable validation gates
  • Cloud foundation: AWS Solutions Architect certification, VPC/IAM/EC2/S3/RDS/Route 53/CloudWatch knowledge, plus structured cloud and Terraform labs

Selected engineering evidence

Project What it demonstrates Automated evidence
RKE2 High-Availability Platform Reference Sanitized three-server etcd quorum, dedicated workers, Longhorn, security controls, Helm examples, and an operations runbook Configuration and manifest validation in GitHub Actions
OpenSearch Observability Platform OpenTelemetry-based logs, metrics, traces, service maps, SLO calculations, dashboards, and production gates for RKE2 Functional lab validation and documented operating checks
Spring Boot CI/CD and GitOps Lab Maven, Docker, Kubernetes/Kustomize, Argo CD, GitHub Actions, GHCR, probes, resource controls, and container hardening Tests, image build, health smoke test, linting, and schema validation
Kafka and PostgreSQL Resilience Lab Three-node Kafka KRaft quorum, PostgreSQL physical streaming replication, health checks, and controlled recovery boundaries Cross-broker messaging, standby replication, and one-broker failure drill
Ansible Infrastructure Automation Lab Reusable roles for Linux baselines, Docker, hardening, and RKE2 node preparation YAML lint, Ansible lint, syntax, and idempotency checks

Public repositories use sanitized or disposable lab configurations. They demonstrate engineering decisions and repeatable evidence without exposing employer, customer, network, credential, or production data.

Core technologies

Area Technologies
Platforms Linux, Kubernetes, RKE2, Rancher, Docker, Helm, Longhorn, Harbor, Argo CD
Automation and delivery Ansible, Terraform labs, Git, GitHub Actions, CI/CD, GitOps, Bash
Reliability and observability OpenTelemetry, Prometheus, Grafana, OpenSearch, SigNoz, alerting, SLOs, incident response
Networking, identity, and edge TCP/IP, DNS, TLS, Nginx, load balancing, Kubernetes RBAC, Keycloak, AWS IAM
Data, messaging, and storage PostgreSQL, MySQL, YugabyteDB, Redis, Kafka, ActiveMQ, SeaweedFS, MinIO
AWS knowledge and labs VPC, EC2, IAM, S3, RDS, Route 53, CloudWatch, architecture and Terraform exercises

Certifications

  • AWS Certified Solutions Architect – Associate
  • AWS Certified Cloud Practitioner

Connect

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  1. kubernetes-rke2-cluster-setup kubernetes-rke2-cluster-setup Public

    Sanitized, production-inspired RKE2 HA reference with etcd quorum, dedicated workers, Longhorn, security controls, CI validation, and operations runbooks.

    Shell

  2. devops-monitoring-stack devops-monitoring-stack Public

    Validated OpenSearch observability platform for RKE2 with OpenTelemetry, Fluent Bit, Data Prepper, Prometheus, service maps, SLOs, and documented production-promotion gates.

    Shell

  3. springboot-ci-cd-demo springboot-ci-cd-demo Public

    Validated Spring Boot GitOps lab with Maven tests, a hardened Docker image, Kubernetes/Kustomize, Argo CD, GitHub Actions, and GHCR publishing.

    Java

  4. kafka-postgres-ha-setup kafka-postgres-ha-setup Public

    Validated resilience lab with a three-node Kafka KRaft quorum, PostgreSQL streaming replication, automated verification, and broker-failure drills.

    Shell

  5. ansible-playbooks-collection ansible-playbooks-collection Public

    Lab-based Ansible roles for Linux baselines, Docker, hardening, and RKE2 node preparation, with lint, syntax, and idempotency checks.