Senior Windows Server Administrator – On-Site Enterprise IT

Llnl; Livermore (CA); On-site; USD 140,000 - 190,000; Full time

Job summary

LLNL is seeking a Windows Systems Administrator to provide advanced support for enterprise Windows systems in a safety-conscious, team-oriented environment. The role focuses on troubleshooting, configuration, patching, and security of Windows servers, AD, DNS, and related services.

Responsibilities include backup administration, automation with PowerShell, cybersecurity support, and collaboration with Tier 1–2 staff. On-site work is required; DOE/Q-level considerations apply.

Qualifications

• Substantial experience administering Windows Server environments including Active Directory, DNS and Group Policy.
• Experience installing, configuring, patching, and securing Windows servers and services.
• PowerShell scripting for automation and administration.

Responsibilities

• Perform advanced troubleshooting and administration for Windows Server, AD, DNS, and related systems.
• Install, configure, patch, harden, and secure Windows servers and infrastructure services.
• Administer enterprise backup systems, monitor jobs, perform restores, and validate recoveries.
• Develop PowerShell scripts to automate administration and monitoring tasks.
• Support cybersecurity operations, including access controls, vulnerability remediation, and compliance artifacts.
• Provide guidance to Tier 1/2 staff and maintain SOPs and documentation.
• Participate in upgrades, migrations, disaster-recovery, and continuity exercises.

Skills

Windows Server Administration

Active Directory

DNS

Group Policy

PowerShell scripting

Cybersecurity awareness

Education

Bachelor's degree in a computer-related field

Tools

Backup systems

Monitoring tools

Job description

LLNL is seeking a Windows Systems Administrator to provide advanced support for enterprise Windows systems in a safety-conscious, team-oriented environment. The role focuses on troubleshooting, configuration, patching, and security of Windows servers, AD, DNS, and related services.

Responsibilities include backup administration, automation with PowerShell, cybersecurity support, and collaboration with Tier 1–2 staff. On-site work is required; DOE/Q-level considerations apply.