Job Description

Cross Domain Solution (CDS) Ruleset Subject Matter Expert (SME)
Senior-Level | $150,000–$172,000 | Orlando, FL | Active Secret Clearance Required (TS/SCI and SAP/SAR Preferred) Shape the digital battlespace—develop and secure cross-domain data transfer systems that power next-generation distributed training for the U.S. Air Force. A Day in the Life – What You’ll Do
Develop, test, and validate English Language Rule Plans (ELRPs) and Rulesets for CAF Distributed Mission Operations (DMO) training systems.
Design and refine cross-domain rulesets for Serco’s SILENTWIRE solution integrated with Everfox’s SimShield Guard, ensuring compliance with NSA and CAF DMO data transfer requirements.
Collaborate with Air Combat SMEs, simulator engineers, and DMO stakeholders to define secure, mission-relevant data exchange parameters.
Interpret Security Classification Guides (SCGs) and implement data-handling logic that protects classified mission information while enabling realistic distributed training.
Support security approval activities, cross-domain test events, and configuration control boards.
Participate in Ruleset Working Groups (RWGs) and prepare technical documentation, test reports, and white papers for program and government review.
Provide technical consultation on CDS engineering improvements, ensuring alignment between operational training needs and security requirements.
Apply Modeling & Simulation (M&S) methodologies to assess the performance, fidelity, and impact of CDS rule configurations.
Conduct limited travel (up to 10%) for cross-domain integration testing and DMO exercises.
Required Qualifications
U.S. Citizenship
Active DoD Secret Clearance (with ability to obtain TS/SCI and SAP/SAR)
Bachelor’s degree in STEM (Computer Science, Modeling & Simulation, Physics, Math, Systems Engineering, or Aerospace Engineering)
12 years of experience with Bachelor’s
10 years with Master’s
6 years with PhD
Experience with cross-domain or data transfer systems and understanding of security guard technologies
Familiarity with Modeling and Simulation (M&S) frameworks, system modeling, and data flow architecture
Strong understanding of air combat operations, tactics, and distributed mission training environments
Ability to document complex technical logic, workflows, and security rationale clearly and effectively
Must hold or obtain a DoD 8140 IAT Level II or higher certification (Security+, CySA+, or CISSP) within six months
Preferred Qualifications
Air combat or flight operations background (e.g., former fighter pilot, WSO, CSO, or pilot instructor) highly desired
Experience with Computer Generated Forces (CGF) tools such as:
Combat Environment Server (CES)
Next Generation Threat System (NGTS)
Modern Air Combat Environment (MACE)
Familiarity with Serco SILENTWIRE and Everfox SimShield Guard integration or other cross-domain security solutions
Experience developing Cross Domain Solution (CDS) rulesets for training or operational use cases
Active Top Secret or TS/SCI clearance
If this sounds like you, we’d love to talk. Apply today and help advance secure, cross-domain interoperability for the U.S. Air Force. Who is Caribou Thunder?
Caribou Thunder is a Woman-Owned, Native American, and Minority-Owned Small Business (WOSB, SDB, SBA, HUBZone Certified) supporting mission-critical programs across the Department of Defense and Intelligence Community. We specialize in systems integration, modeling & simulation, cybersecurity, and advanced software engineering for defense and aerospace programs. Why Caribou Thunder?
• Mission-Critical Impact: Your work directly enhances distributed combat readiness and warfighter capability.
• Cutting-Edge Technology: Engage with SILENTWIRE, SimShield, and DMO cross-domain architectures.
• Comprehensive Benefits: Health, dental, and vision coverage; 401(k) with match; education reimbursement.
• Career Advancement: Collaborate with elite defense professionals and grow into senior systems leadership.
• Purpose-Driven Culture: Rooted in integrity, service, and innovation supporting national defense.

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