Cross Domain Solutions Expert

Modern Technology Solutions, Inc. • Dayton, OH • 5h ago

The Cross Domain Solutions Expert is responsible for designing, developing, and implementing secure information systems that support Department of Defense operations across multiple security classification levels. This role ensures interoperability and data protection between networks with varying levels of classification, such as Unclassified, Secret, and Top-Secret domains. The Cross Domain Solutions Expert applies advanced cybersecurity principles, incorporates access control mechanisms, and ensures compliance with DoD security standards.
Due to the sensitivity of the projects and systems, candidates must possess an active Top Secret clearance with eligibility for Sensitive Compartmented Information (SCI).
Key ResponsibilitiesSystem Design and Architecture
Design and implement secure Multi-Level Security (MLS) architectures to support classified communications and data sharing.
Develop solutions to enable secure interoperability between systems with different security classifications while maintaining information integrity and confidentiality.
Research and integrate advanced technologies such as cross-domain solutions (CDS), automated security mechanisms, and encryption protocols into MLS environments.
Security Engineering and Implementation
Implement access controls, data segregation mechanisms, and boundary protections that adhere to DoD cybersecurity frameworks (e.g., RMF, DISA STIGs, and NIST 800-53).
Conduct continuous security assessments to identify vulnerabilities in MLS systems and design corrective solutions.
Configure MLS solutions to prevent unauthorized disclosure, data compromise, or cross-platform security breaches.
Compliance and Accreditation
Ensure MLS systems comply with applicable DoD policies, FISMA, and federal guidelines for classified data protection and system interoperability.
Collaborate with accreditation teams to achieve Authorization to Operate (ATO) for MLS systems across varying classification levels.
Lead efforts to integrate government-mandated security standards such as Trusted Network Implementation (TNI) and Cybersecurity Maturity Model Certification (CMMC) requirements into MLS systems.
System Testing and Integration
Perform integration testing of MLS systems to validate security features, interoperability, and functionality.
Coordinate with cross-functional teams to deploy MLS solutions into existing DoD platforms and networks.
Monitor system performance post-implementation to ensure ongoing security compliance and operational efficiency.
Collaboration and Stakeholder Engagement
Work closely with DoD program managers, system architects, and cybersecurity experts to ensure MLS solutions meet mission-critical objectives.
Provide technical guidance and training to DoD personnel and stakeholders responsible for MLS operations.
Act as a liaison with external vendors and contractors for acquiring and integrating advanced MLS technologies.
Documentation and Reporting
Create detailed technical documentation, including security architectures, system designs, and risk assessments for leadership and accreditation teams.
Generate reports and dashboards outlining MLS system performance, vulnerabilities, and compliance metrics.
Prepare presentations for leadership to demonstrate system capabilities, enhancements, and risk mitigation plans.
Key Competencies
Expertise in designing secure systems for multi-level classified environments, including cross-domain solutions.
Strong understanding of DoD cybersecurity frameworks, RMF implementation, and cross-network communication architectures.
Proficiency in implementing encryption protocols, access controls, and security automation technologies.
Exceptional analytical and problem-solving abilities to resolve integration challenges and mitigate risks.
Excellent communication skills for presenting technical solutions and collaborating with

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