Senior Systems Administrator; Windows & Linux Migration
Job in
Austin, Travis County, Texas, 78716, USA
Listed on 2026-05-16
Listing for:
Dutech Systems
Full Time
position Listed on 2026-05-16
Job specializations:
-
IT/Tech
Systems Administrator, Systems Engineer, Cybersecurity, Windows Server
Job Description & How to Apply Below
Austin, TX
Date Posted: 3/31/2026 12:20:31 PM
Job Number: DTS
Job Type: Contract
Skills:
Windows Server Administration, Linux (RHEL) Administration, System Migration & Upgrades, Bash/Power Shell/Ansible Scripting, Patch Management, System Security & Hardening, VMware, SCCM, Troubleshooting, Backup & Recovery
We are seeking an experienced Senior Systems Administrator to support the migration and modernization of end-of-life (EOL) systems. This role will focus on upgrading legacy environments, including older versions of Windows Server and Red Hat Enterprise Linux (RHEL), to supported platforms to improve security, performance, and operational stability.
Key Responsibilities- Lead migration and upgrade of legacy systems to supported versions of Windows Server (2016/2019/2022) and RHEL (7/8/9)
- Administer and support both Windows and Linux (RHEL) environments
- Perform in-place upgrades and fresh installations of operating systems
- Troubleshoot and resolve issues in legacy and modernized environments
- Implement system automation and scripting using Bash, Power Shell, and Ansible
- Manage patching, system hardening, and vulnerability remediation
- Support backup and recovery solutions for system reliability
- Work with virtualization technologies (VMware) to support infrastructure needs
- Utilize configuration management tools such as Ansible, SCCM, and Power Shell
- Ensure compliance with security and operational standards
- 8+ years of experience with Windows Server and RHEL environments
- Strong experience with RHEL (5/6/7/8/9) and Windows Server (2008–2022)
- Proven experience with system migration and OS upgrades
- Strong troubleshooting skills for legacy systems
- Experience with automation and scripting (Bash, Power Shell)
- Knowledge of system security, patching, and vulnerability management
- Experience with configuration management tools (Ansible, SCCM)
- Familiarity with virtualization technologies (VMware)
- Experience with backup and disaster recovery solutions
- Strong documentation and communication skills
- Windows Server Administration
- Linux (RHEL) Administration
- System Migration & Upgrades
- Automation & Scripting (Bash, Power Shell, Ansible)
- Patch Management & Security
- VMware / Virtualization
- Troubleshooting & Performance Optimization
Position Requirements
10+ Years
work experience
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