Systems Administrator, Windows Active Directory

Castalia Systems

Systems Administrator ensuring reliability and compliance of Windows systems with HQ USINDOPACOM networks. Managing over 150 servers, patching, monitoring, and log analysis responsibilities.

Posted 5/23/2026full-timeCamp Smith • Hawaii • 🇺🇸 United StatesLead💰 $124,950 - $136,650 per yearWebsite

Tech Stack

Tools & technologies

SplunkVMware

About the role

Key responsibilities & impact

Ensure the reliability, security, and compliance of Windows systems and applications within HQ USINDOPACOM networks
Manage over 150 servers across various security levels
Patching, monitoring, log analysis, and collaboration with developers to enhance workflows
Maintain, update, and secure Windows systems and applications
Support critical HQ USINDOPACOM systems
Ensure compliance with DoD and USINDOPACOM security standards
Analyze processes and systems for improvements and automation
Utilize SPLUNK and WhatsUp-Gold for log analysis and asset monitoring
Manage patching and DoD PKI certificates
Administer Intune and Ivanti for patching, configuration, and security
Configure systems within the USINDOPACOM Endpoint Security Solutions architecture
Create and maintain custom scripts
Manage Windows Active Directory environments and provide status reports
Implement backup and restore procedures
Test and execute Continuity of Operations (COOP) plans
Maintain Standard Operating Procedures (SOP) and documentation
Offer after-hours and weekend support as needed
Provide Monthly Status Reports.

Requirements

What you’ll need

At least 5+ years of experience managing and supporting Windows Active Directory (2016 on later)
Experience managing and securing Windows Servers (2016 or later) and Workstations (Windows 11 or later)
IAW DoD 8140.03-M, must meet the Intermediate Proficiency Level qualifications
IAT-II (or higher) Certification
Experience securing systems and applications in accordance with Federal, DoD and HQ USINDOPACOM regulations, directives, policies, and Security Technical Implementation Guides (STIG)
Experience managing Endpoint Configuration Manager, Intune, Ivanti
Experience managing Group Policy (GPO)
Experience utilizing SPLUNK, ACAS and WhatsUp-Gold
Experience managing Windows Server and Workstation operating systems in a Virtual Machine Operating Environment (VOE) like VMware
Proficient with PowerShell scripting, Active Directory Service Management, Group Policy, and automation
Experience patching Windows servers and workstations via automated tools
Experience backing up and restoring Active Directory and Windows operating systems in a virtual environment
Experience in managing and reviewing audit logs
Experience supporting Endpoint Security Solutions (ESS) agents on Windows systems.

Benefits

Comp & perks

Medical, dental, and vision coverage
401k matching
Generous PTO
Paid holidays
Professional training opportunities
Pet insurance

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

Windows Active DirectoryWindows ServersWindows WorkstationsPowerShell scriptingGroup Policylog analysispatch managementbackup and restore proceduresautomationVirtual Machine Operating Environment

Soft Skills

collaborationcommunicationproblem-solvingorganizational skillsattention to detail

Certifications

IAT-IIDoD 8140.03-M Intermediate Proficiency Level