Windows Enterprise Domain Administrator

Overview

As a (Mid-to-Senior) Windows System Administrator at SMS, you’ll work within a DoD Enterprise environment, managing and securing Windows infrastructure to support vital operations. This position calls for a dedicated professional who thrives in high‑stakes settings and has a passion for optimizing systems, troubleshooting complex issues, and upholding the highest standards in cybersecurity and compliance.

Join a team that values innovation, collaboration, and proactive solutions, where you’ll have the opportunity to lead critical projects, drive operational efficiency, and support government and military initiatives through advanced technology.

As a dynamic systems integrator, SMS offers proven solutions in engineering, operations, cybersecurity, and digital transformation. With expertise in modernizing and optimizing legacy infrastructure and systems, ensuring operational efficiency, and designing, implementing, and managing secure environments, SMS supports business and mission goals with proficiency, quality, and integrity.

SMS has been serving the advanced information technology needs of the federal government since 1976, delivering talented teams and innovative, cost‑effective solutions and services to support our customers’ missions for more than 45 years. SMS is headquartered in McLean, Virginia, with offices and on‑site operations at customer locations throughout the United States. For additional information on SMS, visit

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• Windows System Administration: Configure, manage, and monitor Windows Server environments, ensuring high availability, security, and performance. This includes user, group, and certificate management, Group Policy Management, and related services (DNS, DHCP, Bit Locker, PKI, etc.).

• Patching and Vulnerability Remediation: Perform patch management and apply updates to Windows systems and software, ensuring compliance with STIG standards and using vulnerability remediation tools like ACAS.

• Storage and File System Management: Manage storage technologies, file system protocols, permissions, and backup methodologies to maintain data integrity, accessibility, and compliance.

• Automation and Scripting: Develop Power Shell scripts to automate routine tasks, enhance system efficiency, and support daily operations.

• Networking Basics: Provide support for network services, including DNS and DHCP, with a functional understanding of IP addressing, VLANs, ACLs, routing, and firewall configuration.

• Active Directory Management: Configure, deploy, and manage Active Directory and Group Policy Objects (GPOs) within enterprise setups.

• Virtualization: Use and support virtualization platforms (e.g., VMware vSphere/ESXi) to support server deployment, discovery, alerting, and troubleshooting.

• Monitoring and SIEM Management: Use SIEM tools to monitor security events, tailor alarms/rules, and generate summary reports.

• Documentation: Create and maintain system documentation, including Standard Operating Procedures (SOPs), network diagrams, knowledge base entries, ticketing system interactions, and root cause analysis to ensure smooth operational processes.

Required Qualifications:

• Clearance and Certification: Prior to employment, you must have or be able to obtain a DoD Secret Security Clearance. Must have or be able to obtain a CompTIA Security+ (or equivalent DoD 8570 IAT-2 certification).

• Experience: Minimum of 5 years in Windows System Administration within an Enterprise environment, including Active Directory, GPO, DNS, DHCP, PKI, and permissions management.

• Technical
  
  Skills:
  
  Proficiency in Windows Server management, Power Shell scripting, Active Directory, storage technologies, patching practices, DNS, DHCP, and fundamental networking concepts.

• Virtualization Exposure: Familiarity with VMware or similar virtualization tools.

• Scripting and Automation: Power Shell proficiency for automation and task efficiency.

• Problem‑Solving
  
  Skills:
  
  Proven experience diagnosing and resolving software and hardware issues within a secure and controlled environment.

Preferred Qualifications:

• Advanced
  
  Certifications:
  
  Microsoft Certified Systems Administrator (MCSA) or…