[Hallmark_HCM] Senior DevOps Engineer (English)

Key Responsibilities
Design, provision, and operate AWS-based infrastructure using Terraform
Own and evolve Kubernetes clusters running production workloads
Implement and tune autoscaling strategies (HPA, VPA, KEDA)
Enforce GitOps-first workflows for infrastructure and application delivery
Automate operational tasks using Ansible, scripting, and CI/CD pipelines
Improve reliability through monitoring, alerting, and capacity planning
Lead incident response and postmortems
Collaborate with engineering teams to improve developer experience
Apply security best practices across cloud, Kubernetes, and CI/CD layers
Required Qualifications:
6+ years of hands-on experience in DevOps, SRE, or Platform Engineering roles, with clear production ownership.
Proven ownership of AWS and Kubernetes in production
Strong troubleshooting skills across infrastructure and CI/CD
Clear communication in spoken English
MUST HAVE
Cloud & Infrastructure
Strong production experience with AWS, including designing and operating cloud infrastructure
Deep understanding of cloud networking, IAM, security boundaries, and cost implications
Experience running production workloads in the cloud
Kubernetes & Containers
Kubernetes in production environments
Autoscaling with HPA, VPA, KEDA
Resource requests/limits, node pools, and capacity planning
Docker for containerization, image optimization, and security practices
Infrastructure as Code & Automation
Terraform for Infrastructure as Code, including modular design and remote state
Ansible for configuration management and automation
Delivery & Operations
GitOps-based workflows for infrastructure and application deployments
Experience integrating CI/CD pipelines with GitOps
Communication
Spoken English at a professional level for technical discussions and incident response
NICE TO HAVE
Observability & Reliability
Prometheus, Grafana, and logging stacks (ELK/EFK, Loki)
Understanding of SLOs, SLIs, and error budgets
Kubernetes Ecosystem
Helm and/or Kustomize
Argo CD or Flux
Ingress controllers and backup/DR tooling
Security
Kubernetes RBAC, NetworkPolicies, Pod Security Standards
Secrets management (AWS Secrets Manager, Vault, External Secrets)
Scripting & Programming
Bash scripting
Python or Go for automation and tooling