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