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Norfolk, Virginia, United States
Hybrid
The Opportunity:
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.
Responsibilities:
Administer enterprise ACAS architecture (Tenable SecurityCenter, 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
Qualifications:
Required:
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 (SecurityCenter, Nessus); vulnerability management; DoD compliance (STIGs, IAVAs, NIST); RMF documentation; eMASS workflows; Windows/Linux administration; networking fundamentals; end-to-end vulnerability management
Desired:
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/DevSecOps, Jira, Confluence proficiency
Senior leadership briefing and technical mentoring experience
What You Can Expect:
A culture of integrity.
At CACI, we place character and innovation at the center of everything we do. As a valued team member, you’ll be part of a high-performing group dedicated to our customer’s missions and driven by a higher purpose – to ensure the safety of our nation.
An environment of trust.
CACI values the unique contributions that every employee brings to our company and our customers - every day. You’ll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality.
A focus on continuous growth.
Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground — in your career and in our legacy.
Pay Range:
There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits.
The proposed salary range for this position is:
$75,200-$158,100