Linux Administrator

The Linux Administrator is responsible for the reliability security and performance of Linux-based systems supporting on-premises and AWS EC2 environments. The role exists to operate migrate optimize and support RHEL workloads as they transition from on-prem infrastructure into AWS ensuring service continuity security compliance and cost-effective cloud operations. Success is measured by system stability successful migration outcomes automation maturity and operational efficiency.

RESPONSIBILITIES & DUTIES

-Administer configure and maintain Linux servers (RHEL Amazon Linux Ubuntu) across on-premises and AWS EC2 environments ensuring availability performance and security.

-Support and execute on-premises to AWS EC2 lift-and-shift migration activities including system assessment AMI creation cutover planning post-migration validation and issue remediation.

-Manage AWS EC2 infrastructure including instance provisioning right-sizing AMIs EBS volumes security groups IAM role integration and lifecycle management.

-Implement automation and configuration management using tools such as Ansible shell scripting or Terraform to reduce manual effort and configuration drift.

-Monitor system health troubleshoot incidents perform root-cause analysis and participate in on-call rotation to meet SLAs during steady-state and migration phases.

-Apply OS hardening patching vulnerability remediation and support compliance and security standards across hybrid environments.

POSITION REQUIREMENTS

Required

-Bachelors degree in Computer Science Information Technology or equivalent practical experience

-5 years of experience as a Linux Systems Administrator in enterprise environments

-2 years of hands-on experience administering AWS EC2 in production

-Strong experience administering RHEL in on-prem and/or cloud environments

-Experience supporting business-critical systems during infrastructure changes or migrations

Preferred

-Experience with large-scale on-prem to AWS migration initiatives

-Experience in hybrid infrastructure environments

-AWS Certified SysOps Administrator- Associate or higher or equivalent certification (preferred not required)

-Experience with Infrastructure-as-Code (IaC)(Terraform Ansible CloudFormation)

Experience with scripting/automation in Bash Python or PowerShell

Technical Skills

-Advanced Linux system administration troubleshooting and performance tuning

-AWS EC2 EBS AMIs security groups and IAM role integration

-Lift-and-shift migration concepts system validation and post-migration support

-Automation and scripting (Bash Ansible Terraform preferred)

-OS hardening patch management and vulnerability remediation

Physical Abilities / Demands

-Ability to support after-hours maintenance windows and possible on-call rotations

-Ability to work extended periods at a computer and respond to incidents as required

KNOWLEDGE & COMPETENCIES

-Ability to make operational and technical decisions related to system configuration migration readiness troubleshooting and cloud resource optimization

-Capable to plan and execute work independently coordinate with network cloud application and security teams and escalates risks appropriately providing technical guidance to peers or project teams.

-Must be able to troubleshoot both routine operational issues and complex migration-related problems involving OS behavior cloud infrastructure and application dependencies. Requiring disciplined troubleshooting adaptability and a bias toward automation and long-term operational improvement rather than one-off fixes.

Offer

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