05/12/2026 updated
100 % available
Senior Platform Engineer - AWS / Kubernetes / DevOps
Plovdiv, Bulgaria
Only remote
Bachelor Degree - International Economic Relations, Plovdiv University Paisii HilendarskiAbout me
Senior Platform/DevOps Engineer · 6+ years production Kubernetes, GitOps, ArgoCD, Terraform, Vault, Linkerd, full observability stack. AWS background (ECS, EC2, Lambda, KMS). Remote EU · B2B.
GitHub ActionsAmazon Elastic Compute CloudBash ShellCloud EngineeringDevOpsGitHubNGINXAnsibleDocker ContainerCloud Platform SystemDocker for AWSAWS LambdaAWS VPCAWS ECSGitLab
AWS Cloud Infrastructure Deep knowledge of AWS services including EC2, ECS, EKS, Lambda, S3, VPC, IAM, KMS, ACM, API Gateway, WAFv2, Shield, and CloudFormation, covering the full lifecycle from provisioning to cost optimisation and PCI-DSS compliance.
Kubernetes & GitOps Expertise in managing multi-environment production Kubernetes clusters (EKS, OKE, bare-metal) using GitOps workflows with ArgoCD and Helm, including Linkerd service mesh, MetalLB, cert-manager, Kured, and Trivy for zero-downtime rollouts across all environments.
Infrastructure as Code & Automation Strong IaC discipline using Terraform (modularised, linted, version-controlled) and Ansible for OS patching, SSL certificate lifecycle, and configuration management, complemented by SaltStack, Puppet, and CloudFormation.
Observability Stack Full observability stack implementation with Prometheus, Grafana, Loki, Tempo, Fluent Bit, InfluxDB, Telegraf, and Thanos for end-to-end distributed tracing, monitoring, and alerting in production environments.
CI/CD Pipelines Design and operation of CI/CD pipelines using Jenkins (Groovy pipelines) with performance tuning and pipeline optimisation, Git, GitLab CI, Docker, and Podman for containerisation workflows.
Secrets & Security Management Implementation of secrets management with HashiCorp Vault and External Secrets Operator ensuring zero plaintext secrets and automated rotation, alongside CrowdSec, ModSecurity WAF, and nftables for security hardening.
Linux Administration Advanced Linux administration across CachyOS, Ubuntu, Oracle Linux, Debian, and RHEL, including scripting, networking, and system-level operations.
Scripting & Programming Languages Proficiency in Bash, Python, and Groovy for automation, pipeline scripting, and infrastructure tooling.
Languages
GermanBasic knowledgeEnglishFluent
Project history
Managing multi-environment production Kubernetes clusters (DEV/TST/INT/PRD) with GitOps via ArgoCD and Helm. Full observability stack with Prometheus, Grafana, Loki, Tempo, Fluent Bit, and Linkerd service mesh. Secrets management with HashiCorp Vault and External Secrets Operator. Infrastructure as Code with Terraform and Ansible. CI/CD with Jenkins; containerisation with Docker and Podman. Resolved Vault Oracle plugin Alpine/musl binary incompatibility and executed SonarQube staged upgrade with zero data loss.
AWS infrastructure ownership covering KMS, ECS, ECR, VPC, ACM, S3, EC2, API Gateway, Lambda, Shield, and WAFv2 - full lifecycle from provisioning to cost optimisation. CI/CD with Jenkins including performance tuning and pipeline optimisation; IaC with Terraform. PCI-DSS compliant environment with nginx hardening and ModSecurity WAF. Configuration management with Puppet and Ansible; Docker image and container management; vCenter/VMware operations.
AWS infrastructure deployment via CloudFormation templates; supported datacenter migration to hybrid cloud. Java middleware administration with Tomcat and WebSphere; ITIL Change Management processes.