Cybersecurity Specialist - RMF, Zero Trust & Cloud Security

CACI International Inc; Reston (VA); On-site; USD 104,000 - 218,000; Full time

Job summary

CAC I International Inc. is seeking a Cybersecurity Specialist to join a team protecting critical enterprise systems through cybersecurity engineering, information assurance, and risk management.

The role spans from foundational cybersecurity work to senior leadership on secure architectures and enterprise risk programs. You will collaborate with engineering, operations, cloud, and Government stakeholders to ensure systems remain secure, resilient, and compliant throughout their lifecycle.

Qualifications

• High School diploma with relevant experience or bachelor’s degree in Cybersecurity, Information Assurance, Computer Science, Information Technology, Engineering, or related field.
• Active Secret Clearance
• Experience supporting cybersecurity, information assurance, system security engineering, network security, or information systems security.
• Knowledge of cybersecurity principles, risk management, security controls, and secure system design.
• Familiarity with vulnerability management, security monitoring, and cybersecurity best practices.
• Experience developing technical documentation and communicating cybersecurity risks to technical and non-technical stakeholders.
• Strong analytical, troubleshooting, and problem-solving skills.
• Excellent written and verbal communication skills.
• Ability to obtain and maintain any required Government security clearance.

Responsibilities

• Implement, maintain, and assess cybersecurity controls across enterprise IT systems, cloud environments, applications, and network infrastructure.
• Support RMF activities throughout the system lifecycle, including authorization packages, security documentation, assessments, and continuous monitoring.
• Develop, review, and maintain SSPs, SARs, POA&Ms, security policies, procedures, and supporting documentation.
• Conduct security assessments, vulnerability analysis, compliance reviews, and risk assessments to identify threats.
• Coordinate vulnerability remediation efforts with engineering and operations teams; track corrective actions.
• Monitor enterprise security posture using cybersecurity tools and security monitoring solutions.
• Support security accreditation activities, audits, inspections, and compliance reporting.
• Evaluate proposed system changes to determine security impacts and safeguards.
• Participate in incident response activities, forensics, root cause analysis, and lessons learned.
• Collaborate with admins, network/cloud engineers, developers, and Government stakeholders to integrate cybersecurity throughout design and operations.
• Support Zero Trust, cloud security, IAM, MFA, PKI, and PAM implementation.
• Develop security metrics, dashboards, and reports to communicate performance and risk.
• Senior-level professionals may lead engineering efforts, oversee RMF, mentor staff, and advise leadership.

Skills

Security mindset

Analytical thinking

Problem solving

Written and verbal communication

Ability to obtain government clearance

Education

Bachelor’s degree in Cybersecurity / IT / or related field

High School diploma with relevant experience

Tools

Tenable Nessus

Tenable Security Center

Qualys

Microsoft Sentinel

Splunk Enterprise Security

IBM QRadar

Microsoft Defender XDR

Azure/AWS/GCP

Job description

CAC I International Inc. is seeking a Cybersecurity Specialist to join a team protecting critical enterprise systems through cybersecurity engineering, information assurance, and risk management.

The role spans from foundational cybersecurity work to senior leadership on secure architectures and enterprise risk programs. You will collaborate with engineering, operations, cloud, and Government stakeholders to ensure systems remain secure, resilient, and compliant throughout their lifecycle.