TWK_3186 RHEL and Windows System Administrator position with State of Texas | Austin-TX#Hybrid | Public Sector Experienced profiles preferred

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S E K H A R @ TEKWINGS. COM

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Requirement details:
Internal job ID:TWK_3186
RHEL and Windows System Administrator

State of Texas

Austin, TX -78752 #Hybrid
Note: 
 1)The working position is Hybrid – On Site and Telework
      2) Program will only accept LOCAL ONLY candidates for this position.
Interview Mode : Team meetings ( In-person interview may be required based on client needs  )
Duration: Two years.

Active Texas DL & LinkedIn ID  Must for submission
Please do not submit candidates who are currently out of state and are planning to move to Texas. Candidates must already reside in Texas.

    Public Sector (State / Federal / Local Govt.) Client Experience profiles preferred
 
EXP: 12+ Years

Job Description:
We are seeking a highly experienced System Administrator to support the migration and modernization of End-of-Life (EOL) systems. The role involves upgrading legacy environments (Windows & RHEL) to supported versions while ensuring security, performance, and operational stability.

The candidate will be responsible for planning, executing, and validating system migrations, implementing security hardening (STIG compliance), and maintaining high availability across enterprise environments.

Key Responsibilities:

Assess legacy systems (Windows Server & RHEL) and define migration strategies
Perform OS upgrades/migrations (RHEL 5/6 → RHEL 8/9, Windows → latest versions)
Handle system reinstallation, configuration, and validation post-migration
Implement backup, recovery, and disaster recovery strategies
Perform system hardening using STIG, CIS, and security best practices
Conduct vulnerability scans and apply remediation (Nessus, OpenVAS, SCAP)
Automate tasks using Ansible, PowerShell, and Bash scripting
Manage patching, system updates, and compliance requirements
Provide post-migration support, troubleshooting, and performance tuning
Maintain documentation, SOPs, and migration reports
Collaborate with cross-functional teams and stakeholders

Required Skills & Experience:

12+ years of IT experience
8+ years of hands-on experience with RHEL & Windows OS administration
Strong experience with RHEL (5/6/7/8/9) and Windows Server (2008–2022)
Expertise in system upgrades, migrations, and legacy system support
Strong scripting/automation skills (Bash, PowerShell, Ansible)
Experience with virtualization (VMware – majority VM upgrades)
Strong troubleshooting skills for legacy systems

Security & Compliance Expertise:

STIG-based system hardening (RHEL & Windows)
Knowledge of DoD security standards and CIS benchmarks
Experience with SELinux, firewall configs, Group Policy, and audit logs
Automated compliance using OpenSCAP, Ansible, or custom scripts
Patch management and vulnerability remediation

Preferred Skills:

Experience with ETL/data environments
Familiarity with DevOps tools and automation frameworks
Experience with enterprise-scale, high-availability systems

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Thanks & Regards
 
Sekhar | Sr.IT Technical Recruiter

Tekwings LLC
Email :  sekhar@tekwings.com 

Tekwings Requirements Email group  : https://groups.google.com/d/forum/tekwings_requrements_group1

LinkedIn Group: https://www.linkedin.com/groups/10421204/

LinkedIn: https://www.linkedin.com/in/sekhar-u-27b11a166/