Tactical Cross-Domain Cyber Engineer (TS/SCI)

MANTECH; Stafford (VA); On-site; USD 120,000 - 180,000; Full time

Job summary

MANTECH seeks a motivated Cross-Domain Solution Engineer to support a USMC contract in Stafford, VA. The role leads security-boundary design, data-flow enforcement, and compliance with NSA Raise the Bar and NCDSMO standards.

You will guide accreditation, implement high-assurance cross-domain technologies, and coordinate with security authorities to maintain secure, resilient operations in diverse environments. Requires TS/SCI and multi-enclave experience.

Qualifications

• Bachelor’s degree with 5+ years configuring, deploying, maintaining cross-domain solutions; 2 extra years may substitute for degree.
• Deep knowledge of NSA Raise the Bar, NCDSMO validation, and federal high-assurance cross-domain standards.
• Multi-enclave security architecture design experience, including data boundary protection and sanitization.
• Technical network security skills covering gateways, ports, protocols, and cryptographic controls.
• Experience securing automated data-sharing for DDIL operations and distributed environments.

Responsibilities

• Lead design of multi-enclave security boundaries and data flows.
• Navigate NSA Raise the Bar and NCDSMO validation pathways for cross-domain solutions.
• Configure, deploy, patch, harden, and sustain high-assurance cross-domain technologies.
• Coordinate with accreditation, cybersecurity, testing, and validation stakeholders.
• Manage network boundary controls, gateways, and cryptographic key management processes.
• Support development of RMF artifacts and security assessment documentation.
• Ensure operations remain compliant in austere and contested environments.

Skills

Cross-domain architecture design

NSA Raise the Bar standards

NCDSMO validation

Network security

COMSEC/KMI

Education

Bachelor’s degree

Tools

Enterprise guards

Tactical transfer devices

Cross-domain appliances

Job description

MANTECH seeks a motivated Cross-Domain Solution Engineer to support a USMC contract in Stafford, VA. The role leads security-boundary design, data-flow enforcement, and compliance with NSA Raise the Bar and NCDSMO standards.

You will guide accreditation, implement high-assurance cross-domain technologies, and coordinate with security authorities to maintain secure, resilient operations in diverse environments. Requires TS/SCI and multi-enclave experience.