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Senior System Administrator
Trideum Corporation. Manage, configure, and maintain Windows and Linux-based systems across development, integration, and test environments .
Posted 11/10/2026full-timeHuntsville • Alabama • United StatesSenior💰 $150,000 - $165,000 per yearWebsite
Core Competencies
Role fitCore Competencies
Use this summary to align your resume positioning with the role.
Demonstrates expertise in managing and maintaining Windows and Linux-based systems, with a strong focus on security compliance and system administration in both physical and cloud environments. Proficient in utilizing tools such as Active Directory, PowerShell, and virtualization technologies to support IT operations and collaboration.
Highest-signal resume keywords
Windows System AdministrationLinux System AdministrationActive Directory ManagementPowerShell ScriptingCybersecurity Compliance
ATS Keywords
Tailor your resumeApplicant Tracking System Keywords
Tip: use these terms in your resume and cover letter to boost ATS matches.
Hard Skills
Windows System AdministrationLinux System AdministrationActive Directory ManagementPowerShell ScriptingVirtualization SupportConfiguration ManagementImaging ToolsCloud-Based System AdministrationSecurity Compliance FrameworksTechnical Documentation
Soft Skills
Strong Organizational SkillsAttention to DetailAbility to Work IndependentlyExcellent Written CommunicationExcellent Verbal Communication
Tools & Technologies
Microsoft TeamsO365Microsoft Endpoint Configuration ManagerAzureIntuneVMwareHyper-VDHCPDNSSTIGs
Certifications & Qualifications
Bachelor’s Degree in Information TechnologyActive Secret Security Clearance
Industry Keywords
DoD ProgramsGovernment ProgramsSecure IT EnvironmentHWIL Test FacilitiesConfiguration Control Processes
Tech Stack
Tools & technologiesAzureCloudCyber SecurityDNSLinuxVMware
About the role
Key responsibilities & impact- Manage, configure, and maintain Windows and Linux-based systems across development, integration, and test environments
- Deploy and recover workstations for onboarding and offboarding according to configuration control processes
- Monitor system and server health and proactively remediate issues
- Manage IT assets according to inventory and accountability requirements
- Install, configure, and maintain hardware, storage solutions, and software for modeling, simulation, and test environments
- Administer Active Directory, Group Policy, DNS, DHCP, and Domain Services for isolated and enterprise-aligned networks
- Apply STIGs, security patches, and configuration baselines for RMF compliance
- Support VMware, Hyper-V, and cloud-based virtualization instances
- 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
- 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
What you’ll need- 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 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
- Understanding of cybersecurity compliance frameworks such as RMF, STIGs, and ACAS
- U.S. citizenship required
- Active Secret security clearance required
- Experience supporting DoD or government programs is highly preferred
- Strong organizational skills and attention to detail
- Ability to work independently
- Excellent written and verbal communication skills
- 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
Benefits
Comp & perks- Competitive compensation
- Medical insurance
- Dental insurance
- Vision insurance
- Life insurance
- Disability insurance
- 401k matching
- Paid leave
- Ability to cash out leave
- Free access to certified financial planners
- Wellness and support services
- Discount programs
- Education assistance
- Professional development opportunities
- 100% employee-owned company