System Administrator

Role: System Administrator
Location: Fort Belvoir, VA 22060

Let's create our future together at The AES Group!

About The AES Group

The AES Group is a premier technology and engineering consulting company that has been bringing businesses and talent together for over 20 years to deliver innovative solutions that make a positive impact. We help organizations modernize their technology through cloud, data, AI, engineering, cybersecurity, and emerging technologies.

Job Summary
We are seeking an experienced System Administrator to provide technical leadership and support enterprise IT infrastructure while leading a team of approximately 15 technical professionals, including desktop support specialists and database administrators. The ideal candidate will ensure the reliability, security, performance, and availability of enterprise systems while driving process improvements and automation.

Key Responsibilities

• Lead and coordinate the configuration, operation, and maintenance of enterprise information systems.
• Perform day-to-day system administration, resource optimization, and user support.
• Conduct system capacity planning, performance analysis, and recommend infrastructure upgrades.
• Improve system administration efficiency through automation, scripting, and documented procedures.
• Develop and deliver technical training for system administrators.
• Analyze user requirements and recommend appropriate system solutions.
• Manage daily system operations and perform capacity planning.
• Maintain servers, monitoring tools, system logs, and infrastructure connectivity.
• Monitor system performance, availability, backups, and security.
• Respond effectively to critical incidents and support multiple priorities simultaneously.
• Create and manage Group Policy Objects (GPOs).
• Deploy software, updates, and security patches using Group Policy and Microsoft System Center Configuration Manager (SCCM).
• Install, configure, troubleshoot, and maintain Windows Server environments, including domain controllers, application servers, and file servers.
• Support virtualized server infrastructure and administer lab environments for testing before production deployments.
• Provide software installation, maintenance, and end-user support.
• Administer physical and virtual server infrastructure, including storage systems, application servers, backup environments, and related enterprise platforms.
• Participate in infrastructure design discussions and provide technical recommendations.
• Prepare operational reports, project status updates, and technical documentation.

Required Qualifications

• Active Secret Security Clearance required.
• 6–10 years of System Administration experience.
• CompTIA Security+ CE certification.
• CompTIA Server+, Microsoft Certified Solutions Associate (MCSA), Microsoft Certified Professional (MCP), or equivalent Windows Server certification.
• Experience administering Windows Server environments.
• Experience with Active Directory, Group Policy (GPO), and Microsoft System Center Configuration Manager (SCCM).
• Strong knowledge of virtualization technologies.
• Excellent troubleshooting and problem-solving skills.
• Strong organizational, communication, and documentation skills.
• Ability to manage multiple priorities and work independently.

Preferred Qualifications

• Experience with VMware environments.
• Experience with enterprise backup and storage solutions.
• Strong understanding of system monitoring, patch management, and server maintenance.
• Experience supporting large-scale enterprise infrastructure.
• Strong analytical and critical thinking skills.
• Ability to work collaboratively in a fast-paced environment.

Working Conditions
Primarily an office-based role with occasional travel as needed. Periodic evening or weekend work may be required to support maintenance activities and critical system operations.

Physical Requirements
Must be able to lift up to 35 pounds. The physical demands described are representative of those required to successfully perform the essential functions of this position.