Senior Windows Systems Administrator with Security Clearance

Core Responsibilities & Technical Qualifications

• Windows Systems Administration: Install, configure, and manage Microsoft server operating systems, with a heavy emphasis on Windows Server operating systems, Active Directory (AD) configuration, Group Policy (GPO) management, and associated middleware.
• Virtualization Management: Manage a VMware environment, including systems deployment, patching, STIG/hardening, and troubleshooting.
• Tech Mentorship: Act as a senior technical resource, providing mentorship, guidance, or team lead support to junior administrators and technical staff; may lead 5 or more employees.
• Centralized Logging & Analytics (Elastic Stack): Configure, maintain, and utilize the Elastic Stack (ELK) to ingest, analyze, and visualize system logs and performance metrics across the enterprise to proactively identify system anomalies and security events.
• Automation & Deployment: Manage complex production environments using automated installation, automated build and deployment, and automated configuration management frameworks.
• Scripting Proficiency: Write and utilize operating system commands and scripts to automate routine tasks, utilizing PowerShell and being familiar with others like Python or Bash.
• High-Availability Infrastructure: Build, maintain, and support clustered, scalable, and high-availability systems, including load balancing, web servers, application servers, and server virtualization.
• Networking & Troubleshooting: Apply foundational networking principles (TCP/IP, firewalls, routing, VLANs) to perform general network troubleshooting and resolve complex system issues.
• Performance Monitoring & Optimization: Utilize enterprise monitoring tools for event and performance monitoring. Conduct performance tuning, capacity planning, and bottleneck resolution.
• Security & Compliance: Apply Defense Information Systems Agency (DISA) Security Technical Implementation Guides (STIGs) to harden systems, remediate advanced security vulnerabilities, manage identity and access configurations, and ensure overall system security compliance.
• Vulnerability Scanning (ACAS): Experience utilizing the Assured Compliance Assessment Solution (ACAS) for vulnerability scanning, analysis, and compliance reporting.
• Linux Administration: Familiarity or experience with Linux server operating systems (e.g., RHEL), event and performance monitoring, and associated middleware.
• Database Technologies: Knowledge of database technologies, including installation and configuration of database management systems and migration of databases.

Experience & Education Requirements

• High School Diploma / GED: Minimum of 11 years of directly related IT experience.
• Associate’s degree: Minimum of 9 years of directly related IT experience.
• Bachelor's Degree: Minimum of 7 years of directly related IT experience.
• Master's Degree: Minimum of 5 years of directly related IT experience.

Certifications

• DoD Directive 8570.01 Compliance: Must possess a current Security+ certification (or equivalent IAT Level II baseline certification).
• Computing Environment (CE): Must hold at least one current Computing Environment certification, or be able to obtain one within 6 months of start.

Preferred Qualifications

• Vulnerability Scanning (ACAS): Experience utilizing the Assured Compliance Assessment Solution (ACAS) for vulnerability scanning, analysis, and compliance reporting.
• Linux Administration: Familiarity or experience with Linux server operating systems (e.g., RHEL), event and performance monitoring, and associated middleware.
• Database Technologies: Knowledge of database technologies, including installation and configuration of database management systems and migration of databases.