Cyber Security Specialist

🔥 0 minutes ago

⚔️ Virginia – Remote

⚔️ Virginia – Remote

💵 $75.2k - $158.1k / year

⏰ Full Time

🟡 Mid-level

🟠 Senior

👮‍♂️ Cybersecurity / Security Engineer

👻 Ghost score 0%

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CACI International Inc

WebsiteLinkedInAll Job Openings

10,000+ employees

Founded 1962

🎖️ Defense

🏛️ Government

🔒 Cybersecurity

🔥 Funding within the last year

💰 $500M Post-IPO Debt on 2026-02

Defense • Government • Cybersecurity

CACI International Inc is a U. S. -based government contractor that provides technologies and professional services to national security, defense, and federal civilian customers. CACI delivers solutions across cyber and digital operations, enterprise IT modernization, electronic warfare, counter-unmanned systems (C-UxS), space and optical communications, agile DevSecOps software development, and mission engineering and logistics support. The company positions itself as a large prime contractor that uses advanced software, analytics, sensing, and hardware to detect and counter evolving threats and modernize government technology architectures.

📋 Description

• Perform assessment and authorization coordination for STIG testing • Advise and assist the customer with Risk Management Framework (RMF) activities • Develop Plans of Action and Milestones (POA&Ms) for system deficiencies • Assess compliance against NIST 800-53 Rev. 5 controls • Support PMO Assess & Authorize records • Perform IT system assessment, compliance, and validation activities • Advise the GCSS-MC PMO on system risks and mitigation courses of action • Perform security evaluations and vulnerability assessment reviews using ACAS, Nessus, and SCAP tools • Identify applicable STIGs and conduct manual STIG reviews • Liaise with network, application, and system administrators to correct deficiencies • Review new systems and applications and draft eMASS and OPDIR POA&Ms • Ensure systems and applications meet DISA STIG standards • Advise stakeholders on cybersecurity requirement implementation • Provide DoD and Marine Corps RMF subject matter expertise • Develop and maintain documentation for networks, cloud environments, information systems, and technologies • Perform risk and vulnerability assessments for authorization • Track and report cybersecurity compliance to the Cyber PMO • Develop and maintain an Information Security Continuous Monitoring (ISCM) Plan • Coordinate security issues, A&A, connection approvals, change requests, and waiver requests • Perform network, cloud, information system, hardware, software, and device security assessments • Validate system patching and scanning reviews • Provide cybersecurity mitigation strategy expertise • Develop and implement vulnerability mitigation processes and procedures • Validate ongoing effectiveness of security measures • Analyze cybersecurity posture and provide reports to stakeholders • Lead small technical workstreams and develop automation for ACAS, STIG, and control analysis • Conduct root-cause analysis and support cybersecurity incident corrective actions • Collaborate with the USMC Cyber Operations Group during penetration testing and vulnerability assessments

🎯 Requirements

• Bachelor’s degree in Cyber Security, Information Technology, or Computer Science with experience in Cyber Security • BS/BA and at least 3–5 years of ISSO experience supporting US Marine Corps or DoD programs • 5+ years’ experience with the Risk Management Framework (RMF) • 5+ years’ experience using Assured Compliance Assessment Solution (ACAS)/Tenable Nessus Vulnerability Scanner • 5+ years’ experience with vulnerability and compliance assessment scanning tools and reporting • 5+ years of United States government security policies, including NIST 800-53 Rev 4/5 and NIST 800-171 • Knowledge of DODI 8500.01 and DODI 8510.01 • Security+ certification required • Experience with all RMF steps and execution within a demanding USMC environment • Experience developing cybersecurity automation or scripting for vulnerability management and compliance workflows • Experience with USMC cybersecurity processes and DoD-specific monitoring tools • Experience with Splunk, AWS, OCI, or Azure cloud environments • Experience working in Agile environments • Excellent oral and written communication skills • Ability to apply FedRAMP, FISMA, NIST, CNSSI, and Oracle Cloud IL4/IL5 security concepts • Ability to lead small technical workstreams of up to five analysts • Experience conducting root-cause analysis and supporting corrective action efforts for cybersecurity incidents • Familiarity with MC eMASS workflows is an added plus • Familiarity with developing automation or AI-enabled capabilities is an added plus • Up to 10% local travel

🏖️ Benefits

• Flexible time off benefit • Robust learning resources • Healthcare benefits • Wellness benefits • Financial benefits • Retirement benefits • Family support benefits • Continuing education benefits • Time off benefits • Flexible work arrangements