Junior Windows System Administrator

We are seeking a detail-oriented and motivated Junior Windows System Administrator to join our highly motivated, driven, and eager-to-learn team committed to continuous improvement and delivering exceptional results. The ideal candidate will have a foundational understanding of Windows Server and workstation environments, a willingness to learn, and a strong interest in system administration best practices, security compliance, and IT infrastructure support.

This role involves working under the guidance of senior administrators to manage, monitor, and support Windows-based systems and assist with tasks related to system maintenance, patching, virtualization, and compliance requirements such as RMF (Risk Management Framework) and STIGs (Security Technical Implementation Guides).

• Assist in the administration and maintenance of Windows Server and workstation environments.
• Support Active Directory, DNS, DHCP, and Group Policy management.
• Perform user and group account administration tasks in compliance with organizational policies.
• Support patch management processes for servers and workstations using enterprise tools.
• Assist with the deployment and maintenance of virtualization technologies.
• Contribute to storage provisioning, usage monitoring, and basic troubleshooting.
• Support basic network troubleshooting and configuration tasks (IP addressing, routing, subnets, etc.)
• Ensure system and network compliance with RMF controls.
• Apply and assist in maintaining DISA STIGs on relevant systems.
• Participate in routine security scans, vulnerability mitigation, and compliance reporting.
• Document standard operating procedures, configurations, and system changes.
• Provide Tier 1-2 support for escalated helpdesk issues.
• Collaborate with other IT staff to implement system upgrades and new technologies.

• Associate degree in Information Technology, Computer Science, or related field; or equivalent practical experience.
• 1-2 years of experience in a Windows system administration or IT support role.
• Foundational knowledge of Windows Server and workstation administration.
• Basic understanding of virtualization concepts (e.g., virtual machines, snapshots, resource allocation).
• Familiarity with storage technologies (SAN/NAS), file shares, and permissions.
• Understanding of basic networking concepts (IP, DNS, DHCP, firewalls, VLANs).
• Experience with patching tools (e.g., WSUS, PDQ, or third-party solutions).
• Exposure to RMF, NIST 800-53, or other federal cybersecurity frameworks.
• Understanding of STIGs and security hardening procedures.
• Strong documentation and organizational skills.
• Ability to obtain and maintain necessary security clearance (if required).

Preferred Qualifications:

• CompTIA certifications (e.g., Security+, Network+, Server+)
• Microsoft certifications (e.g., MCSA, Azure Fundamentals, MS-900)
• Experience with PowerShell scripting for administrative automation.
• Familiarity with ticketing systems and ITIL processes.
• Prior experience in a DoD or government IT environment.

i3 is a technically diverse, 100% team member owned business, headquartered in Huntsville, Alabama specializing in missile and aviation systems engineering and logistic services, electronic warfare and electromagnetic effects analysis, UAS system integration and flight operations, full lifecycle C5ISR engineering services, cybersecurity and IT/IA innovative solutions and virtual training, simulation & serious game development and implementation. We have established a broad offering of products and capabilities collectively providing decades of experience supporting the full complement of DoD military services, Missile Defense Agency, National Aeronautics and Space Administration, and a variety of other Government organizations and private industry customers.

Perks of being a team member owner include:

• Long-term financial security
• Higher job satisfaction
• Greater job security
• Personal and professional growth
• Great company culture

Other outstanding benefits:

• Excellent insurance coverage
• 401(k) match
• Generous PTO
• Health and wellness incentives
• Tuition and certification reimbursement
• Countless opportunities to give back to the community through i3 Cares

We work hard. We compete hard. We play hard. Apply now to join us!