Cross Domain Engineer – (Active TSSCI Clearance)

Cross Domain Engineer Data Transfer / AWS Diode (Low-to-High Pipelines)

Location: Chantilly VA (preferred)
Work Type: Onsite / Hybrid
Citizenship: U.S. Citizenship required
Clearance: Active Top Secret/SCI clearance required

The Opportunity

Strategic Business Systems (SBS) is expanding our team to support a high-priority mission-critical national security program. We are building out secure data movement capabilities across classification boundaries and are looking for engineers who understand how to design and implement low-to-high data transfer solutions in controlled environments.

This role is focused on developing and supporting Cross Domain Solutions (CDS) including AWSdata diode architectures to enable secure compliant movement of data between networks of differing classification levels. Youll play a key role in enabling mission systemsboth on-prem and in AWS classified environmentsto share data safely while maintaining strict security controls.

What Youll Be Doing

• Design and implement low-to-high data pipelines across classification boundaries
• Support and integrate Cross Domain Solutions (CDS) including data diodes and guard technologies
• Build secure data ingestion validation and transfer mechanisms into AWS environments and on-prem systems
• Develop and enforce data filtering formatting and content inspection rules
• Integrate CDS pipelines with AWS services HPC systems and enterprise applications
• Support deployment of pipelines into AWS classified regions (e.g. GovCloud or other secure environments)
• Implement logging monitoring and audit capabilities for cross-domain transfers
• Support testing accreditation and operational deployment of CDS capabilities

What Were Looking For

Cross Domain / CDS Experience

• Hands-on experience with Cross Domain Solutions (CDS) or similar secure data transfer systems
• Familiarity with data diode architectures and one-way transfer mechanisms
• Understanding of low-to-high data flow constraints and approval processes

AWS / Cloud Integration

• Experience integrating systems with AWS services (S3 EC2 Lambda API Gateway etc.)
• Understanding of secure data ingestion patterns into AWS
• Familiarity with VPC design private endpoints and restricted network architectures
• Experience working in or supporting AWS GovCloud or classified regions (preferred)

Data & Integration

• Experience building data pipelines and transformation workflows
• Understanding of data formats (JSON XML CSV etc.) and validation techniques
• Ability to integrate across cloud and on-prem environments

Security & Compliance

• Strong understanding of classified or regulated environments
• Familiarity with NCDSMO Raise-the-Bar (RTB) or CDS accreditation processes
• Experience implementing data inspection sanitization and filtering controls

Systems & Infrastructure

• Linux background with scripting (Python Bash etc.)
• Understanding of networking fundamentals and secure data transfer protocols

Nice to Have

• Experience with Radiant Mercury Owl Cyber Defense Everfox or similar CDS tools
• Familiarity with Infrastructure as Code (Terraform CloudFormation) in secure environments
• Experience supporting ATO or compliance-driven deployments

Why SBS

SBS supports mission-critical programs where secure data movement is essential. Our teams work at the intersection of cross-domain security and cloud enablement helping customers move data safely into modern platforms like AWS.

Youll be part of a team that:

• Solves complex cross-domain and cloud integration challenges
• Supports high-visibility national security efforts
• Builds real operational capabilitiesnot just concepts

About SBS

Strategic Business Systems Inc. is a national IT services provider headquartered in the Washington DC area. We specialize in infrastructure cloud cybersecurity and mission-critical systems.

EEODisclaimer
SBS is an equal opportunity employer; all qualified applicants will receive consideration for employment without regard to age gender gender identification sex sexual orientation color race creed national origin religion marital status parental status citizenship status ancestry physical or mental disability genetic information veteran status military status or any other classification protected by federal state or local laws.

Accommodations
If you need an accommodation seeking employment with SBS please email. Accommodations are made on a case-by-case basis.

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