Systems Administrator/Engineer

What You’ll Do:

Windows & Linux Administration: 

• Administer and maintain Windows Server (2019/2022) and Red Hat Linux Enterprise environments, ensuring optimal performance, reliability, and security. 
• Manage Windows services (DNS, DHCP, WINS, DFS, ADFS, PKI, GPOs) and Active Directory (AD), including user accounts, group policies, and domain controllers. 
• Oversee Microsoft Exchange Server environments, including setup, configuration, and maintenance of mailboxes and security policies. 
• Deploy and manage IIS and SQL databases to support Windows Server features. 

Security & Compliance: 

• Implement, maintain, and troubleshoot Host-Based Security System (HBSS) and Assured Compliance Assessment Solution (ACAS) for vulnerability scanning and compliance. 
• Apply Security Technical Implementation Guides (STIGs) and ensure adherence to risk management processes. 
• Manage system logs for security and event management (SIEM). 

Infrastructure & Operations: 

• Manage and maintain Storage Area Networks (SAN), including NFS and CIFS protocols, ensuring data availability, backup, and recovery. 
• Configure and manage SharePoint and O365 systems for IT project management and incident tracking. 
• Perform system monitoring, patch management (SCCM/WSUS), and configuration management to ensure system integrity. 
• Develop automation scripts using PowerShell to improve and automate the deployment of environments. 

Support & Collaboration: 

• Provide Tier 2/3 support for complex system problems across both Windows and Linux platforms.
• Maintain accurate documentation for systems, configurations, and procedures. 
• Analyze and communicate complex technical challenges to both technical and non-technical stakeholders. 
• Work closely with other IT teams (network, security, applications) to ensure seamless service delivery.?

Required Experience:

• Proven experience managing Windows Server (2019/2022), Active Directory, and Microsoft Exchange. 
• ?Demonstrated knowledge of the DISA Risk Management Framework and the US Navy RMF Process Guide. 
• Experience with security tools such as HBSS and ACAS for vulnerability scanning and remediation. 

Required Qualifications:

• Active SECRET security clearance. 
• Bachelor’s degree and five or more years of experience in an IT-related field. 
• Must be DoD 8570.1M IAT-II certified (e.g., CCNA-Security, CySA+, GICSP, GSEC, Security+ CE, CND, or SSCP).?