Senior Linux Administrator / Engineer

Senior Linux Administrator / Engineer

Experience in: Migration of Linux RHEL7 to RHEL8, Kubernetes EKS cluster

5+

Location: Hybrid

We need a Linux Systems Administrator with AWS and EKS experience.

Someone who can take the lead on:

1. RHEL 7 to RHEL 8(or alternative) upgrade for one of our apps (40%)

2. SAS Viya platform operations on AWS EKS (60%)

Revised required Skills Mix:

• Linux Administration Foundation:
• 5+ years RHEL/CentOS/Ubuntu server administration
• OS upgrade experience (RHEL 7→8 or similar major versions)
• System monitoring (CPU, memory, disk, network performance)
• Shell scripting (Bash) for automation tasks
• Package management and dependency troubleshooting
• Migration tools expertise: leapp utility, package management (YUM→DNF)
• Application compatibility assessment and dependency analysis
• Python 2 to Python 3 migration experience (critical for RHEL 8)
• Configuration management tools (Ansible, Puppet, or Chef)
• Systemd services migration and troubleshooting

SAS Platform Operations:

• SAS Viya 4 administration on Kubernetes (2+ years preferred)
• Kubernetes basics (pods, services, persistent volumes, logs)
• AWS EKS cluster operations and troubleshooting
• ArgoCD/GitOps for application deployments
• Storage management (EFS, EBS) for data persistence

Supporting Technologies:

• Docker containerization concepts
• YAML/JSON configuration management
• Git version control for configuration changes
• AWS services (EKS, EC2, EFS, CloudWatch)
• Basic networking (DNS, load balancers, ingress)

Day-to-Day Activities:

• Monitor SAS Viya platform health and performance
• Respond to SAS application alerts and user issues
• Apply SAS hotfixes and updates through GitOps
• Perform routine Linux server maintenance
• Collaborate with SAS users on access and performance issues
• Document procedures and maintain runbooks

Ideal Candidate Profile:

• Linux admin background who has evolved into SAS/Kubernetes operations
• Problem-solving mindset for both traditional and cloud-native issues
• Communication skills to work with business users and technical teams
• Learning agility to adapt between Linux systems and other applications

Nice-to-Have:

• SAS programming knowledge (Base SAS, SQL)
• Previous RHEL migration project experience
• Ansible automation experience
• AWS certification (Solutions Architect Associate)

radhika.nalawade@leanitcorp.com