Windows Systems Engineer

Confidential Company; Atlanta (GA); On-site; USD 85,000 - 110,000; Full time

Job summary

Atlanticus is seeking a Windows Systems Administrator to join our Infrastructure & Operations team. The role focuses on Windows Server, Active Directory, and Microsoft 365, supporting enterprise desktops and serving as a Tier 2/3 escalation point.

You will collaborate with Help Desk, Infrastructure, and Security teams to ensure a secure, reliable IT environment, performing patching, imaging, deployment, and endpoint management with strong customer service.

Qualifications

• 4–7 years of experience supporting enterprise Windows environments.
• Experience with patch management and endpoint deployment tools.

Responsibilities

• Administer and maintain Windows Server environments, including patching and health checks.
• Administer Active Directory users, groups, OU, and Group Policy.
• Support Microsoft 365 services including Exchange Online, Teams, SharePoint, OneDrive.
• Provide Tier 2/3 escalation for complex desktop and infrastructure issues.
• Create and maintain documentation and knowledge base.

Skills

Customer service

Problem solving

Communication

Team collaboration

Structured troubleshooting

Tools

WSUS

Microsoft Intune

ManageEngine Endpoint Central

NinjaOne

Action1

PowerShell

Job description

Atlanticus is seeking a motivated Windows Systems Administrator to join our Infrastructure & Operations team. This role is responsible for supporting and maintaining the organization's Windows server infrastructure, Active Directory, Microsoft 365 environment, endpoint management platform, and enterprise desktop environment.

The ideal candidate has 4–7 years of experience supporting Microsoft technologies and enjoys solving technical challenges while providing outstanding customer service. This position will work closely with the Help Desk, Infrastructure, and Security teams to ensure a reliable, secure, and well-managed IT environment. The role also serves as a Tier 2/Tier 3 escalation point for complex desktop and infrastructure issues.

Key Responsibilities

Windows Server Administration

• Administer and maintain Windows Server environments, including routine maintenance, performance monitoring, and troubleshooting.
• Perform server patching, upgrades, and health checks to ensure system reliability and security.
• Support server backup, recovery, and disaster recovery activities.
• Monitor server performance and resolve infrastructure-related issues.

Active Directory Administration

• Administer Active Directory users, groups, organizational units, and Group Policy.
• Support identity lifecycle activities, including user provisioning, deprovisioning, and access management.
• Troubleshoot authentication, Group Policy, DNS, and Active Directory-related issues.
• Maintain Active Directory security and operational best practices.
• Microsoft 365 Administration
• Support Microsoft 365 services including Exchange Online, Teams, SharePoint, OneDrive, and Microsoft Entra ID.
• Troubleshoot user access, licensing, email, collaboration, and authentication issues.
• Assist with Microsoft 365 administration and ongoing platform maintenance.
• Support device enrollment, compliance policies, software deployment, and endpoint configuration.
• Assist with Windows imaging, provisioning, and lifecycle management of laptops and desktops.
• Support enterprise endpoint security standards and device compliance.

Patch Management

• Plan and execute Windows Server and endpoint patching activities.
• Deploy Windows updates using Microsoft Intune and/or WSUS.
• Manage third-party application patching using enterprise tools such as ManageEngine Endpoint Central, NinjaOne, Action1, or similar platforms.
• Monitor patch compliance and remediate failed deployments.

User Support

• Provide Tier 2 and Tier 3 technical support for Windows infrastructure and endpoint-related issues.
• Escalate and resolve complex incidents from the Help Desk.
• Support hardware, operating systems, Microsoft applications, printers, VPN, and peripheral devices.
• Create and maintain technical documentation and knowledge base articles.
• Deliver exceptional customer service while building strong relationships with internal business users.

Required Qualifications

• 4–7 years of experience supporting enterprise Windows environments.
• Strong knowledge of:

Windows Server

Active Directory

Microsoft 365

Windows 10/11

• Experience with Windows Server and endpoint patch management.
• Experience using WSUS, Microsoft Intune, or similar endpoint management platforms.
• Familiarity with enterprise patch management tools such as ManageEngine Endpoint Central, NinjaOne, or Action1.
• Experience supporting end users in a Microsoft enterprise environment.
• Strong troubleshooting, communication, and customer service skills.
• Ability to manage multiple priorities in a fast-paced environment.

Preferred Qualifications

• Experience with Microsoft Entra ID and Hybrid Identity.
• Experience with PowerShell scripting.
• Microsoft certifications (MCSA, Azure Administrator, Endpoint Administrator) are a plus.
• ITIL Foundation certification is a plus.

The ideal candidate is:

• Customer-focused with excellent interpersonal and communication skills.
• A proactive problem solver who takes ownership from issue identification through resolution.
• Organized, detail-oriented, and able to prioritize effectively.
• A collaborative team player who enjoys mentoring others and sharing knowledge.
• Continuously looking for opportunities to improve processes, standardize operations, and automate repetitive tasks.
• Adaptable and eager to learn new technologies while contributing to a positive, high-performing team culture.