Overview
SMS is seeking a skilled Senior HBSS/MDE 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. 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 high-energy environment and adapt to shifting priorities .
As a dynamic systems integrator, SMS offers proven solutions in engineering, operations, cybersecurity, and digital transformation. With expertise in modernizing and optimizing legacy infrastructure and systems, ensuring operational efficiency, and designing, implementing, and managing secure environments, SMS supports business and mission goals with proficiency, quality, and integrity.
SMS has been serving the advanced information technology needs of the federal government since 1976, delivering talented teams and innovative, cost-effective solutions and services to support our customers' missions for more than 45 years. SMS is headquartered in McLean, Virginia, with offices and on-site operations at customer locations throughout the United States. For additional information on SMS, visit your resume today!
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.

Qualifications

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
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.

SMS is a dynamic systems integrator established in 1976, delivering talented teams and innovative, cost-effective solutions and services to support our customers' missions for more than 47 years. Our ability to hire and retain quality people in a rapidly evolving IT market is proven through our employee retention rate averaging over 3 years. At SMS, we place a high value on quality of service, customer satisfaction, and best-of-breed policies and practices, resulting in CMMI Level 3 certification and ISO registrations including 9001:2015, 20000-1:2018, and ISO/IEC 27001:2013. SMS is headquartered in McLean, Virginia, with offices and on-site operations at customer locations throughout the United States.
SMS is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.

SMS Data Products Group, Inc.

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