Posted today
Top Secret/SCI
Senior Level Career (10+ yrs experience)
$100,000 - $120,000
IT - Security
Fort Belvoir, VA (On-Site/Office)
Title: HBSS Administrator — TS/SCI
Location: Fort Belvoir, VA (100% onsite)
Clearance Required: Active DoD TS/SCI (must be active at time of consideration)
About the Opportunity
Join a high-impact federal mission supporting a combat support organization focused on countering Weapons of Mass Destruction (WMD) and emerging threats. This role supports an enterprise IT modernization effort that is consolidating and improving secure IT services across CONUS and OCONUS environments, with strong emphasis on endpoint security, compliance, and continuous monitoring.
What You’ll Do (Key Responsibilities)
Endpoint Security Operations
• Monitor, analyze, and respond to host/system/network security events using endpoint security tooling (Trellix and Microsoft Defender).
• Identify vulnerabilities and non-compliance with Information Assurance (IA) policies; recommend and implement mitigation strategies.
STIG Compliance & Audit Readiness
• Implement and maintain DISA STIGs across endpoint security tooling and systems.
• Perform recurring compliance checks using SCAP Compliance Checker and STIG Viewer.
• Document configurations, deviations, and remediation actions for inspections/audits.
Patching, Hardening & Vulnerability Management
• Manage OS and application patch deployment aligned to federal patch policies and timelines.
• Validate patch success, troubleshoot issues, and coordinate schedules to minimize mission impact.
• Harden systems, maintain baselines, and reduce attack surface aligned to DoD and NIST standards.
Continuous Monitoring & Incident Response Support
• Participate in security audits/inspections; support continuous monitoring activities.
• Assist with incident response related to vulnerabilities, misconfigurations, or endpoint findings.
• Produce clear documentation and contribute to after-action reporting and continuous improvement.
Collaboration & Communication
• Partner with systems administrators, engineers, and compliance teams to maintain a cohesive security posture.
• Create reports/briefings covering compliance status, patching posture, and vulnerability trends.
• Develop and help enforce information security policies and procedures.
Required Qualifications
• Education/Experience:
○ Bachelor’s degree + 8–12 years relevant experience OR 6–10 years IA experience in lieu of degree (equivalency considered).
• Certifications:
○ Current DoD 8570 baseline certification
○ HBSS 301 Certification
• Security/Compliance Knowledge:
○ RMF, NIST, ICD, CNSS familiarity
○ STIG compliance experience (SCAP, STIG Viewer) and ACAS experience
• Technical Strength:
○ Strong Windows + Linux expertise in secure environments
○ Virtualization experience in a secure network environment
○ Familiarity with LAN/WAN best practices in classified environments, including crypto/key management
• Able to work in fast-changing regulatory environments with short/mid/long remediation timelines
• Strong written and verbal communication skills
• Active DoD TS/SCI required
Nice-to-Have / Preferred
• Security+ or CISSP (or equivalent)
• DoD Information Systems (IS) experience
• Hardening automation / scripting
• Ansible and/or MECM experience
• Microsoft OS certs (e.g., MCSE) and Linux certs (RHCSA, CompTIA Linux, etc.)
Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following:
• Medical, dental & vision
• Critical Illness, Accident, and Hospital
• 401(k) Retirement Plan – Pre-tax and Roth post-tax contributions available
• Life Insurance (Voluntary Life & AD&D for the employee and dependents)
• Short and long-term disability
• Health Spending Account (HSA)
• Transportation benefits
• Employee Assistance Program
• Time Off/Leave (PTO, Vacation or Sick Leave)
· This position requires an active DoD Clearance (Secret, Top Secret, Top Secret/SCI) or the ability to be obtain an (Interim Secret, Interim Top Secret)
· Because an active or interim DoD clearance is required, U.S. Citizenship is required
Location: Fort Belvoir, VA (100% onsite)
Clearance Required: Active DoD TS/SCI (must be active at time of consideration)
About the Opportunity
Join a high-impact federal mission supporting a combat support organization focused on countering Weapons of Mass Destruction (WMD) and emerging threats. This role supports an enterprise IT modernization effort that is consolidating and improving secure IT services across CONUS and OCONUS environments, with strong emphasis on endpoint security, compliance, and continuous monitoring.
What You’ll Do (Key Responsibilities)
Endpoint Security Operations
• Monitor, analyze, and respond to host/system/network security events using endpoint security tooling (Trellix and Microsoft Defender).
• Identify vulnerabilities and non-compliance with Information Assurance (IA) policies; recommend and implement mitigation strategies.
STIG Compliance & Audit Readiness
• Implement and maintain DISA STIGs across endpoint security tooling and systems.
• Perform recurring compliance checks using SCAP Compliance Checker and STIG Viewer.
• Document configurations, deviations, and remediation actions for inspections/audits.
Patching, Hardening & Vulnerability Management
• Manage OS and application patch deployment aligned to federal patch policies and timelines.
• Validate patch success, troubleshoot issues, and coordinate schedules to minimize mission impact.
• Harden systems, maintain baselines, and reduce attack surface aligned to DoD and NIST standards.
Continuous Monitoring & Incident Response Support
• Participate in security audits/inspections; support continuous monitoring activities.
• Assist with incident response related to vulnerabilities, misconfigurations, or endpoint findings.
• Produce clear documentation and contribute to after-action reporting and continuous improvement.
Collaboration & Communication
• Partner with systems administrators, engineers, and compliance teams to maintain a cohesive security posture.
• Create reports/briefings covering compliance status, patching posture, and vulnerability trends.
• Develop and help enforce information security policies and procedures.
Required Qualifications
• Education/Experience:
○ Bachelor’s degree + 8–12 years relevant experience OR 6–10 years IA experience in lieu of degree (equivalency considered).
• Certifications:
○ Current DoD 8570 baseline certification
○ HBSS 301 Certification
• Security/Compliance Knowledge:
○ RMF, NIST, ICD, CNSS familiarity
○ STIG compliance experience (SCAP, STIG Viewer) and ACAS experience
• Technical Strength:
○ Strong Windows + Linux expertise in secure environments
○ Virtualization experience in a secure network environment
○ Familiarity with LAN/WAN best practices in classified environments, including crypto/key management
• Able to work in fast-changing regulatory environments with short/mid/long remediation timelines
• Strong written and verbal communication skills
• Active DoD TS/SCI required
Nice-to-Have / Preferred
• Security+ or CISSP (or equivalent)
• DoD Information Systems (IS) experience
• Hardening automation / scripting
• Ansible and/or MECM experience
• Microsoft OS certs (e.g., MCSE) and Linux certs (RHCSA, CompTIA Linux, etc.)
Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following:
• Medical, dental & vision
• Critical Illness, Accident, and Hospital
• 401(k) Retirement Plan – Pre-tax and Roth post-tax contributions available
• Life Insurance (Voluntary Life & AD&D for the employee and dependents)
• Short and long-term disability
• Health Spending Account (HSA)
• Transportation benefits
• Employee Assistance Program
• Time Off/Leave (PTO, Vacation or Sick Leave)
· This position requires an active DoD Clearance (Secret, Top Secret, Top Secret/SCI) or the ability to be obtain an (Interim Secret, Interim Top Secret)
· Because an active or interim DoD clearance is required, U.S. Citizenship is required
group id: 10105424
Accelerating IT transformation in the public sector
