Subject Matter Expert
On-siteArlington, Virginia, United States
Job Summary
Administer, maintain, and support enterprise information technology infrastructure, including hardware, software, and network resources for a Department of Defense customer. Provide technical expertise supporting secure enterprise information systems, infrastructure modernization, and systems integration activities. Manage system configurations, coordinate implementation of approved changes, and develop technical documentation and standard operating procedures. Monitor system performance, identify technical issues, and recommend solutions to improve reliability. Support systems testing, validation, and operational readiness while assisting with cybersecurity compliance, patching, and vulnerability remediation. Requires 8–12 years of experience supporting DoD environments, an active Top Secret clearance with SCI, and a Bachelor's degree or equivalent experience.
Required Qualifications
- 8–12 years of experience supporting Department of Defense enterprise information technology environments
- Experience administering Windows Server and/or Linux operating systems
- Experience supporting enterprise network infrastructure and secure computing environments
- Working knowledge of systems integration, configuration management, and enterprise architecture principles
- Experience implementing system upgrades, patches, and configuration changes
- Familiarity with virtualization technologies, storage systems, and enterprise networking concepts
- Strong troubleshooting, analytical, and problem-solving skills
- Experience developing technical documentation, procedures, and system diagrams
- Excellent written and verbal communication skills
- Proficiency with Microsoft Office Suite (Word, Excel, PowerPoint, Outlook, and Teams)
- An active DoD Top Secret clearance with SCI
- Candidates are required to have an active Top Secret clearance upon hire, and the ability to maintain this level of clearance during their employment
- Bachelor's degree in Computer Science, Information Systems, Information Technology, Computer Engineering, Cybersecurity, or a related technical discipline or 5-10 years or relevant experience
Desired Qualifications
- Experience supporting Department of Defense headquarters or enterprise IT environments
- Familiarity with secure classified and unclassified computing environments
- Experience with Microsoft Windows Server, Active Directory, virtualization technologies, enterprise storage solutions, and network administration
- Knowledge of systems configuration management and structured change control processes
- Familiarity with DoD cybersecurity frameworks, RMF, DISA STIGs, and vulnerability management
- Experience supporting enterprise collaboration platforms, web-based applications, and secure communications technologies
- Industry certifications such as Security+, CISSP, Microsoft Certified, VMware Certified Professional (VCP), Red Hat Certified System Administrator (RHCSA), or equivalent
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