Senior Systems Administrator
Core
Design, manage, and scale mission-critical infrastructure across AWS and Azure, ensuring secure, reliable, and high-performing systems through automation and proactive monitoring.
Role type
Senior Systems Administrator (Cloud Infrastructure & Linux)
Builds
Production cloud environments, containerized applications, and automated infrastructure pipelines
Domain
Cloud Infrastructure (AWS/Azure) and Linux Systems Administration
Required skills
Linux administration (RHEL/Oracle Linux), Cloud infrastructure (AWS/Azure), Container orchestration (Kubernetes/EKS/AKS), Infrastructure as Code (Terraform), Configuration management (Ansible), Load balancing, Security compliance (CIS/NIST/ISO), Bash/Python scripting, Monitoring and observability
Preferred skills
Windows Server Administration, VMware Administration, GitOps (Argo CD/Flux), CI/CD tools (Azure DevOps/GitHub Actions), Secrets management (HashiCorp Vault)
Technologies
AWS (EC2, VPC, IAM, RDS, S3, ALB/NLB, CloudWatch, EKS), Azure (VMs, VNets, NSG, AKS, Azure Monitor), Terraform, Ansible, Kubernetes, Prometheus, Grafana, ELK/OpenSearch, Nginx, HAProxy, F5, Bash, Python
Responsibilities
Manage and optimize AWS and Azure services; Install, secure, patch, and troubleshoot Linux systems; Operate and maintain Kubernetes clusters; Build and manage Terraform-based deployments; Develop Ansible playbooks for automation; Enforce security hardening standards and incident response; Mentor junior administrators and contribute to documentation
Seniority
Senior, hands-on IC