Senior HBSS MDE Administrator

JCS Solutions LLC•Fort Belvoir, VA

12d•Onsite

About The Position

JCS Solutions LLC is seeking a skilled Senior HBSS Administrator in Fort Belvoir, VA to join the I3TS team supporting DTRA. The I3TS program provides enterprise-wide IT support to enable DTRA’s 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. Administrators 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. This position offers an excellent opportunity to be part of a high-performing team responsible for supporting a high-velocity collaborative environment, along with tremendous growth potential. If you are interested in a challenge and a great working environment, apply today!

Requirements

BS bachelor’s degree with 8-12 years’ experience or 6-10 years of IA experience without a degree. Specific experience, education and training may be considered in lieu of degree.
A Current DoD 8570 baseline certification
HBSS 301 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.
Must be able to work in a constantly changing regulatory environment with short-, mid-, and long-term timelines for remediating any non-compliance
Must be able to work well within a team environment and able to adapt quickly to change
Good writing and verbal presentation skills
Must possess an active DoD TS/SCI Clearance at time of consideration.

Nice To Haves

Security+ or CISSP or equivalent
DoD IS knowledge and experience
Security hardening scripting/automation experience
Ansible and or MECM experience
Microsoft OS Certification (MCSE Win 7 or other)
Linux certification (RHCSA, CompTIA Linux, LCFS/LCFE, etc.)

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.