HBSS Systems Administrator

**Must possess an active DoD TS/SCI Clearance at time of consideration**

Description

ABOUT THE MISSION:

Combat support agency enabling the United States (U.S.) Government and its international partners to counter and deter Weapons of Mass Destruction (WMD). The mission is to safeguard the United States and its allies from global weapons of mass destruction and improvised threats by integrating, synchronizing and providing expertise, technologies and capabilities.

The Team provides enabling and secure technologies, applications, and services anywhere, to our workforce, mission partners, and external customers to effectively deliver relevant data, information, and situational awareness to successfully perform the Countering Weapons of Mass Destruction and Emerging Threats mission.

The Team enables innovation through an agile approach by providing reliable, resilient, secure, and adaptable mission information technology through implementation of technology solutions that directly support the Agency's mission and enhances communications and information sharing with our partners across the Countering Weapons of Mass Destruction and emerging threats mission space.

ABOUT THE ROLE:

Seeking a skilled Senior HBSS/MDE Administrator in Fort Belvoir, VA to join the team. The program provides enterprise-wide IT support to enable Information Management & Technology Directorate (ITD) to consolidate, modernize, and continuously innovate the delivery of IT services and mission capabilities to DTRA’s internal and external mission partners operating in CONUS and OCONUS locations.

The candidate will be responsible for ensuring the security and integrity of IT systems by running their Endpoint Security with experience in Trellix and Microsoft Defender. Administrator will also be responsible in applying Security Technical Implementation Guides (STIGs), managing system patches, and overseeing vulnerability management processes. This role supports federal clients in maintaining compliance with the Department of Defense (DoD) and other federal cybersecurity standards.

The candidate will be responsible for identifying points of vulnerability, non-compliance with established Information Assurance (IA) guidelines and regulations and recommend mitigation strategies, along with assisting users as needed in a classified computing environment. The selected candidate must be able to work independently as well as with a team of IT analysts, administrators, and engineers. The position requires excellent communications skills, both verbal and written. The candidate must be able to work in a active environment and adapt to shifting priorities .

**Must possess an active DoD TS/SCI Clearance at time of consideration**

Key Responsibilities:

Continuous upkeep, monitoring, analysis, and response to Information System, network and security events using Endpoint Security tools such as Trellix and Microsoft Defender.

STIG Application and Compliance:

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.

Patching and System Updates:

Manage and deploy operating systems and application patches in accordance with federal patch management policies.

Coordinate patch schedules to minimize operational impact while meeting compliance deadlines.

Verify patch deployment success and troubleshoot any issues arising from updates.

System Hardening:

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.

Incident Response Support:

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.

Document incidents and contribute to after-action reports for continuous improvement.

Collaboration and Reporting:

Work closely with system administrators, engineering staff, and compliance teams to ensure cohesive security operations.

Prepare detailed reports and briefings for federal clients on STIG compliance, patching status, and vulnerability management efforts.

Develop, implement and enforce Information Security Policies and Procedures.

Tool Utilization:

Trellix and Microsoft Defender.

Skills

Trellix, system hardening, STIG Compliance, Windows, Linux, nist

Top Skills Details

Trellix,system hardening,STIG Compliance,Windows,Linux,nist

Additional Skills & Qualifications

IAT Level II - CASP+ CE, IAT Level II - CCNA-Security, IAT Level II - CCNP Security, IAT Level II - CCSP, IAT Level II - CISA, IAT Level II - CISSP (or Associate), IAT Level II - CND, IAT Level II - CySA+, IAT Level II - GCED, IAT Level II - GCIH, IAT Level II - GICSP, IAT Level II - GSEC, IAT Level II - Security+ CE, IAT Level II - SSCP

Experience Level

Intermediate Level