Senior HBSS/MDE Administrator - TS/SCI

Maania Consultancy Services • Fort Belvoir, VA

9d • Onsite

About The Position

This is a full-time, onsite position for a Senior HBSS/MDE Administrator at Fort Belvoir, VA. The role requires an active TS/SCI clearance and involves continuous upkeep, monitoring, analysis, and response to Information System, network, and security events using Endpoint Security tools such as Trellix and Microsoft Defender. The administrator will implement and maintain Security Technical Implementation Guides (STIGs) on Endpoint Security Tools, conduct regular STIG compliance checks, and document STIG configurations and remediation actions. The position also involves hardening systems, maintaining configuration baselines, participating in security audits, performing risk assessments, and responding to security incidents.

Requirements

• A Current DoD 8570 baseline certification.
• Understanding of the Risk Management Framework (RMF), NIST, ICD, and CNSS standards.
• Familiarity with network technologies (LAN & WAN) and best practices within a classified environment to include crypto and key management.
• STIG compliance, SCC and STIG Viewer experience, and ACAS expertise.
• Expert with Microsoft Windows, Linux, and system virtualization in a secure network environment.

Responsibilities

• Continuous upkeep, monitoring, analysis, and response to Information System, network and security events using Endpoint Security tools such as Trellix and Microsoft Defender.
• Implement and maintain Security Technical Implementation Guides (STIGs) on Endpoint Security Tools.
• Conduct regular STIG compliance checks using tools like SCAP Compliance Checker and STIG Viewer.
• Document STIG configurations and remediation actions to ensure audit readiness.
• Harden systems by applying best practices and federal security guidelines to reduce attack surfaces.
• Maintain configuration baselines and ensure systems adhere to DoD and NIST standards.
• Participates in internal/external security audits/inspections; performs risk assessments and Continuous Monitoring.
• Assist in identifying and responding to security incidents related to vulnerabilities or misconfigurations.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: No Education Listed