Senior System Administrator - RMF, DoD IT & VMware

Trideum; Huntsville (AL); On-site; USD 90,000 - 120,000; Full time

Benefits offered by this job

Competitive compensation

Medical, dental, vision

401k matching

Paid leave

Job summary

Trideum is seeking a Senior System Administrator in Huntsville, AL to support secure, complex, mission-critical environments. The role blends system administration, network awareness, cybersecurity compliance, and user support to keep systems operating at peak efficiency.

Responsibilities include configuring Windows and Linux servers, managing Active Directory and Group Policy, applying RMF/STIG baselines, and supporting virtualization with VMware/Hyper-V.

Qualifications

• Bachelor’s degree in IT or related field required.
• 3–5 years of Windows/Linux admin in secure IT environment.
• DoD/government program experience preferred; RMF/STIG knowledge advantageous.

Responsibilities

• Manage, configure, and maintain Windows and Linux-based systems across development, integration, and test environments.
• Monitor system health; identify and remediate issues proactively.
• Apply security baselines and RMF/STIG patches to ensure compliance.
• Support virtualization technologies including VMware/Hyper-V and cloud instances.
• Create and maintain technical documentation for repeatable processes and system baselines.

Skills

System administration

PowerShell scripting

Windows & Linux

RMF/STIG compliance

DoD/government programs

Active Directory management

Education

Bachelor’s Degree in Information Technology or related field

Tools

Active Directory

O365

Teams

Microsoft Endpoint Configuration Manager

Azure

Intune

Job description

Trideum is seeking a Senior System Administrator in Huntsville, AL to support secure, complex, mission-critical environments. The role blends system administration, network awareness, cybersecurity compliance, and user support to keep systems operating at peak efficiency.

Responsibilities include configuring Windows and Linux servers, managing Active Directory and Group Policy, applying RMF/STIG baselines, and supporting virtualization with VMware/Hyper-V.