Senior System Administrator

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

Senior System Administrator
Full-time
Huntsville, AL

About Us

Trideum Corporation is a 100% employee-owned company, committed to embracing the world's toughest challenges with a servant's heart. Through dedicated hard work and commitment, we provide distinctive quality and unparalleled customer service in all aspects of our business. We also know that our employees are the key to our success, and it is our mission to take care of them so they can take care of our customers and communities where we live, work, and play.

Position Summary

We are seeking a System Administrator with demonstrated experience supporting secure, complex, and fast-paced technical environments. This role blends system administration, network awareness, cybersecurity compliance, and user support to ensure mission systems operate at peak efficiency.

What You'll Do

Responsibilities include, but are not limited to:

• Manage, configure, and maintain Windows and Linux-based systems across development, integration, and test environments.
• Deploy and recover workstations for onboarding and offboarding in accordance with program configuration control processes.
• Monitor system and server health; identify and remediate system issues proactively.
• Manage IT assets in alignment with inventory and accountability requirements.
• Install, configure, and maintain hardware, storage solutions, and software used in modeling, simulation, and test environments.
• Maintain and administer Active Directory, Group Policy, DNS, DHCP, and Domain Services for isolated and enterprise-aligned networks.
• Apply STIGs, security patches, and configuration baselines to ensure RMF compliance.
• Support virtualization technologies including VMware, Hyper-V, and cloud-based instances where applicable.
• Assist engineers with system-level troubleshooting for HWIL labs, simulation tools, and specialized program equipment.
• Support Microsoft Teams Rooms, video conferencing systems, and collaboration tools used across program stakeholders.
• Create and maintain technical documentation for repeatable processes, configuration standards, and system baselines.
• Coordinate with external service providers and government partners to troubleshoot, resolve, and validate system issues.

Requirements and Qualifications

• Bachelor’s Degree in Information Technology or related field; equivalent experience may be considered.
• 3-5 years of relevant experience supporting Windows workstations and servers in a secure IT environment.
• Proficiency with Microsoft technologies including Active Directory, O365, Teams, Microsoft Endpoint Configuration Manager, Azure, and Intune.
• Demonstrated experience in physical, virtual, and cloud-based system administration.
• Strong PowerShell scripting skills for automation and system management.
• Experience supporting DoD or government programs is highly preferred.
• Understanding of cybersecurity compliance frameworks such as RMF, STIGs, and ACAS.
• Strong organizational skills, attention to detail, and ability to work independently.
• Excellent written and verbal communication skills.
• U.S. citizenship and Active Secret security clearance is required

Additional Preferred Experience

• Familiarity with secure lab environments or HWIL test facilities.
• Experience with imaging tools, configuration management, and automated deployment technologies.
• Ability to support cross-functional teams including engineers, analysts, and program leadership.

operational impact.

What You'll Do

Responsibilities include, but are not limited to:

• Manage, configure, and maintain Windows-based systems across STRATTOS development, integration, and test environments.
• Deploy and recover workstations for onboarding and offboarding in accordance with program configuration control processes.
• Monitor system and server health; identify and remediate system issues proactively.
• Manage IT assets in alignment with STRATTOS inventory and accountability requirements.
• Install, configure, and maintain hardware, storage solutions, and software used in modeling, simulation, and test environments.
• Maintain and administer Active Directory, Group Policy, DNS, DHCP, and Domain Services for isolated and enterprise-aligned networks.
• Apply STIGs, security patches, and configuration baselines to ensure RMF compliance.
• Support virtualization technologies including VMware, Hyper-V, and cloud-based instances where applicable.
• Assist engineers with system-level troubleshooting for HWIL labs, simulation tools, and specialized program equipment.
• Support Microsoft Teams Rooms, video conferencing systems, and collaboration tools used across program stakeholders.
• Create and maintain technical documentation for repeatable processes, configuration standards, and system baselines.
• Coordinate with external service providers and government partners to troubleshoot, resolve, and validate system issues.

Requirements and Qualifications

• Bachelor’s Degree in Information Technology or related field; equivalent experience may be considered.
• 3-5 years of relevant experience supporting Windows workstations and servers in a secure IT environment.
• Proficiency with Microsoft technologies including Active Directory, O365, Teams, Microsoft Endpoint Configuration Manager, Azure, and Intune.
• Demonstrated experience in physical, virtual, and cloud-based system administration.
• Strong PowerShell scripting skills for automation and system management.
• Experience supporting DoD or government programs is highly preferred.
• Understanding of cybersecurity compliance frameworks such as RMF, STIGs, and ACAS.
• Strong organizational skills, attention to detail, and ability to work independently.
• Excellent written and verbal communication skills.

Additional Preferred Experience

• Familiarity with secure lab environments or HWIL test facilities.
• Experience with imaging tools, configuration management, and automated deployment technologies.
• Ability to support cross-functional teams including engineers, analysts, and program leadership.

We Take Care of Our People

Whether you're looking to launch a new career or grow an existing one, Trideum is the type of company where you can balance great work with great life because we believe that taking care of our people is the right thing to do. Trideum offers:

• Competitive compensation.
• Traditional benefits such as medical, dental, vision, life, disability, and 401k matching.
• Paid leave and the ability to cash out leave.
• Free access to certified financial planners, wellness and support services, and discount programs.
• Education assistance and professional development opportunities.
• And much more.

Equal Opportunity Employer

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, age, disability, veteran status, genetic information, sexual orientation, gender identity, or any other characteristic protected by law. People with disabilities who need a reasonable accommodation to apply or compete for employment with Trideum may request such accommodation(s) by contacting Human Resources at 256.704.6123 or [e-mail].