Cross-Domain Network & Data Systems Engineer

Job ID 2618568 Location Crane, IN, USDate Posted 2026-10-28 Category Information Technology Subcategory Network Engineer Schedule Full-TimeShift Day JobTravel Yes - 10% of the time Minimum Clearance Required Interim_Secret Clearance Level Must Be Able to Obtain Secret Potential for Remote Work ORA_ON_SITEDescriptionSAIC is seeking a highly skilled Cross-Domain Network & Data Systems Engineer to support our work at Naval Surface Warfare Center (NSWC) Crane, Indiana in direct support of the Mach-CORE program. In this role, you will design, implement, and sustain secure network architectures enabling the controlled transfer of digital engineering data across multiple security classification boundaries. This position directly supports advanced weapons development environments, with a specific emphasis on enabling data exchange between external programs — most notably the Multi-Service Advanced Capability Hypersonic Accelerator (MACH-XL) — and internal analysis systems. This is a high-visibility, on-site role that places you at the intersection of network engineering, cybersecurity, and cutting-edge hypersonic weapons development — contributing directly to programs that define the future of national defense. Your Mission at SAICNetwork Architecture & Infrastructure Architect, deploy, and maintain secure network infrastructures supporting multi-level security (MLS) and cross-domain data movement Design and optimize data transfer pathways for complex datasets, digital engineering models, and analytical outputs between classified and unclassified environments Deliver hands-on expertise across routing, switching, firewall management, and secure network architecture design Cross-Domain Solutions & RMF Compliance Implement and manage DoD-accredited cross-domain solutions (CDS), ensuring full compliance with all policy and operational requirements Conduct RMF-aligned security engineering activities including documentation, system hardening, control implementation, and continuous monitoring Support accreditation activities, technical reviews, and stakeholder engagements across DoD organizationsMACH-XL Integration & Data Pipeline Support Lead the integration of MACH-XL data pipelines into internal analysis tools and systems Troubleshoot and resolve network security, configuration, and data-flow issues within high-assurance architectures Collaborate with SAIC cyber, systems, and mission engineering teams to ensure end-to-end data integrity and security

Interim secret clearance required to start with the ability to obtain a secret clearance. SAIC will sponsor the clearance process. Target salary range $100,001 - $140,000. The estimate displayed represents the typical salary range for this position based on experience and other factors.