| Required / Desired | Amount of Experience |
Strong experience with Linux administration experience with Red Hat Enterprise Linux: RHEL on AWS platform | Required | 3 |
Architect, implement, and manage enterprise-grade authentication for Linux servers using Active Directory, SSSD, Kerberos, and LDAP/LDAPS. | Required | 5 |
Hands-on experience in performance monitoring enablement to manage the Scaling up and down of the environments | Required | 3 |
Apply STIG/hardening, manage OS-level firewalls, patching cycles, CIS controls, audit logging, SSH hardening, and vulnerability remediation. | Required | 7 |
Build and maintain automation using Ansible, shell scripting, and Infrastructure-as-Code (Terraform/CloudFormation). | Required | 3 |
Administer EC2 Linux instances across multiple AWS accounts (Prod / Non-Prod). | Required | 3 |
Experience with cloud infrastructure, specifically Amazon Web Services (AWS) like VPC, EC2, S3, RDS, ALB, SSM and EBS. | Required | 3 |
Troubleshoot authentication failures (Kerberos, LDAP), boot failures, kernel panics, network issues, file system issues (AWS ONTAP FSX/EBS/EFS). | Required | 5 |
Implement proactive alerting, metric dashboards, and log ingestion pipelines. | Required | 5 |
Strong scripting skills, specifically in Bash or Python | Required | 7 |
Create and maintain runbooks, architecture diagrams, troubleshooting guides, automation documentation, and onboarding materials for Linux operations. | Required | 3 |
Proficient with network tools such as iptables, Linux IPVS, HAProxy, etc | Required | 3 |
Experience with security best practices and implementing security controls in a AWS cloud environment | Required | 3 |
Linux certifications (RHCT, RHCE and LPIC) will be considered an advantage | Required | |
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