NTCSS ACAS System Administrator & RMF Specialist

Job Title:

NTCSS ACAS System Administrator & RMF Specialist

Job Category:
Information Technology

Time Type:
Full time

Minimum Clearance Required to Start:
Secret

Employee Type:
Regular

Percentage of

Travel Required:

Up to 10%

Type of Travel:
Local

ACAS System Administrator providing cybersecurity support for Naval Tactical Command Support System (NTCSS). Responsible for vulnerability management, Risk Management Framework (RMF) implementation, and security compliance for DoD Business IT systems supporting Navy aviation, afloat, and shore activities.

• Administer enterprise ACAS architecture (Tenable Security Center, Nessus scanners/Agents) across classified/unclassified networks
• Execute complete vulnerability lifecycle: scanning, identification, remediation coordination, and validation
• Develop and maintain RMF A&A package documentation in eMASS per DoD/Navy guidance
• Perform STIG testing, security control assessments, and compliance validation using STIG Viewer/SCAP tools
• Manage POA&M entries documenting security deficiencies, mitigation strategies, and remediation timelines
• Apply security patches and configuration changes across Windows/Linux environments per DoD standards
• Generate vulnerability reports supporting compliance requirements and risk management decisions
• Ensure compliance with STIGs, IAVAs, NIST standards, and DISA cybersecurity directives
• Coordinate with network, system administration, and cybersecurity teams for ACAS integration
• Maintain technical documentation and compliance evidence for audits and authorizations

• Clearance:
  Active Secret clearance - REQUIRED
• Education:
  
  Bachelor's degree in Computer Science, IT, Cybersecurity, or related field OR HS Diploma/GED with additional experience
• Experience:
  
  5 years (Bachelor's) OR 7 years (HS/GED) in cybersecurity operations, vulnerability management, and RMF A&A processes; hands‑on experience with ACAS/Tenable and eMASS; working knowledge of DoD RMF processes
• Certifications:
  
  CompTIA Security+ (IAT Level II) or equivalent - REQUIRED;
  DoD 8570.01-M and DoD 8140 compliance; valid CSWF credentials
• Technical
  
  Skills:
  
  ACAS architecture (Security Center, Nessus); vulnerability management;
  DoD compliance (STIGs, IAVAs, NIST); RMF documentation; eMASS workflows;
  Windows/Linux administration; networking fundamentals; end‑to‑end vulnerability management

• Possess advanced cybersecurity certifications
• Experience with VRAM, PDQ, Trellix, Active Directory, VMware, Python scripting
• DoD Business IT systems or Navy/DoD Echelon II/III commands support experience
• SCAP, STIG Viewer, Agile/Dev Sec Ops , Jira, Confluence proficiency
• Senior leadership briefing and technical mentoring experience

$75,200-$158,100

ACCI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.