What are the responsibilities and job description for the Senior Systems Administrator – EOL Migration (RHEL & Windows) position at Jobs via Dice?
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Hello Professionals,
Greetings from Cogent Data Solutions LLC, We are looking for a Senior Systems Administrator – EOL Migration & Modernization (Windows & RHEL) with one of our direct clients in Austin, Texas. Please checkout the Job Description below;
Title: Senior Systems Administrator – EOL Migration & Modernization (Windows & RHEL)
Location: Austin, Texas
Work Type: Hybrid
Job Type: Contract
Job Requirements:
Hello Professionals,
Greetings from Cogent Data Solutions LLC, We are looking for a Senior Systems Administrator – EOL Migration & Modernization (Windows & RHEL) with one of our direct clients in Austin, Texas. Please checkout the Job Description below;
Title: Senior Systems Administrator – EOL Migration & Modernization (Windows & RHEL)
Location: Austin, Texas
Work Type: Hybrid
Job Type: Contract
Job Requirements:
- Job Summary:
- We are seeking a skilled Senior Systems Administrator to support the migration and modernization of End-of-Life (EOL) systems across Windows Server and Red Hat Enterprise Linux (RHEL) environments.
- The role focuses on upgrading legacy systems to supported platforms, ensuring improved security, performance, and operational stability.
- Key Responsibilities:
- Assess and prioritize legacy systems for migration based on risk and business impact.
- Plan and execute OS upgrades. (Windows Server 2008/2012 → 2016/2019/2022, RHEL 5/6/7 → 8/9)
- Perform system rebuilds (preferred) and controlled migrations with minimal downtime.
- Implement backup, recovery, and validation processes during migrations.
- Apply system hardening and security compliance. (STIG, CIS benchmarks)
- Automate configuration and deployment using Ansible and PowerShell.
- Troubleshoot migration-related issues and provide post-migration support.
- Maintain documentation, CMDB updates, and migration reports.
- Collaborate with cross-functional teams and stakeholders.
- Required Skills & Experience:
- 8 years of experience in Windows Server and RHEL administration.
- Strong experience with OS migrations and legacy system upgrades.
- Proficiency in scripting/automation. (Bash, PowerShell, Ansible)
- Experience with vulnerability management and patching tools. (e.g., Nessus, OpenSCAP)
- Knowledge of system hardening standards. (STIG, CIS)
- Experience working in virtualized environments. (VMware preferred)
- Preferred Qualifications:
- Experience in large-scale infrastructure or data center migrations.
- Familiarity with compliance-driven environments.
- Strong troubleshooting and documentation skills.
- Key Deliverables:
- Weekly migration execution. (minimum 1 system per week per FTE)
- Migration plans, reports, and system documentation.
- Hardened, compliant, and fully supported systems post-migration.