Defense Engineering Inc. (DEi) is seeking a HBSS/MDE Senior Systems Administrator to support our long-term contract located at the Defense Threat Reduction Agency (DTRA) at Fort Belvoir, VA.
DEi is a leading small IT business leader in the Washington D.C. Metropolitan Area. DEi combines experience and innovative ideas to provide our clients with the right solution with the right people at the right time. We are a proven IT services and solutions provider for full-life-lifecycle engineering of network, storage, cyber security, communication and policy compliance needs. We focus on delivering IT solutions to meet complex technological and business challenges within mission-critical enterprises.
In addition to the traditional full-time employee benefits package (health, dental, vision, 401K, life insurance, short-term and long-term disability plans, vacation time and holidays, DEi also offers Education and professional Certification Reimbursement, Gym Membership reimbursement, Mass Transit and Parking benefits.
Job Category: Information Technology – HBSS/MDE Senior Administrator
Salary: Negotiable
Location: Fort Belvoir, VA US
Clearance Level Must Currently Possess:
TS/SCI
US Citizenship
Certifications (Baseline)
- 8570 Baseline Active IAT Level II (Minimum of one)
- Security+ CE
- CySA+
- GICSP
- GSEC
- SSCP
Additional Certs
HBSS 301 Certification
Education/Experience:
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.
Schedule: Full-time
Potential for Teleworking: Situational
Travel: None
Shift: Day Job
Job Description
DEi has an opportunity for a skilled HBSS/MDE Administrator SME 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. The 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 .
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.
Required Qualifications
- 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.
Desired Qualifications
- 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.)
To apply for this job email your details to jobs@dei.net