Enterprise Crypto Security Engineer

K  is seeking a motivated and experienced Cryptography Subject Matter Expert to join the team in El Segundo, CA or Colorado Springs, CO
. The MSEIT effort delivers leading-edge Systems Engineering and Integration (SE&I) for the United States Space Force Space Systems Command (SSC). The program acquires state-of-the-art Military and Commercial Satellite Communications (SATCOM) systems to provide global, secure, survivable, and protected communications for U.S. warfighters.

This role supports a collaborative environment of small teams, using modern tools and methodologies to integrate complex space and ground communications systems.

• Provide technical expertise for the development, integration, and delivery of space and ground cryptographic units, ensuring solutions align with mission objectives and system requirements.
• Lead spacecraft cryptographic unit trade studies, evaluating candidate solutions against requirements, interface constraints, environmental considerations, performance criteria, and testability; deliver clear, data-driven recommendations to program leadership and customers.
• Oversee the technical design, interface definition, development, and delivery of encryption units, including hardware and firmware, ensuring compatibility with subsystems and compliance with mission, cybersecurity, and interface standards.
• Manage technical design, interface definition, development, and delivery of encryption units to ensure proper integration with ground systems, mission operations, and secure architectures.
• Support and oversee testing activities for encryption units, including dry runs and SVT; develop or review test plans, procedures, and reports to ensure successful verification and validation campaigns.
• Participate in TRRs, dry run activities, SVTs, and CDRL reviews; address anomalies and ensure full requirement traceability.
• Provide supplemental support for Protected Key Management Architecture (PKMA), including secure key management processes, documentation, and architecture alignment.
• Maintain strong relationships with government customers, contractors, subcontractors, and FFRDC partners; represent the crypto engineering function in design reviews, technical interchange meetings, and program-level forums.
• Lead and mentor engineers (junior to mid-level), including task assignment, technical reviews, and professional development.
• Oversee crypto lifecycle management by managing technical scope, priorities, and dependencies for cryptographic tasks within program schedules and constraints.
• Establish and enforce cryptographic standards and best practices across programs and platforms.

• Active TS/SCI clearance
• Bachelor’s degree
• Understanding of the discipline and practice of Systems Engineering across system lifecycle phases, including concept, development, production, operations, and sustainment
• 7+ years of systems engineering experience, which may include crypto, cyber security, requirements development, verification, integration, and test
• 7+ years of crypto experience, NSA certification processes, and Key Management processes
• 5+ years of experience with military or DoD or Intelligence Community space and ground
• Proficiency in Microsoft Office (Excel, Word, PowerPoint)
• Strong oral and written communication skills, including the ability to author final-version deliverable technical documents and reports

• Bachelor’s degree in a technical field such as engineering, mathematics, physics, information systems, information technology, or computer science
• Master’s degree in a technical field such as engineering, mathematics, physics, information systems, information technology, or computer science
• Familiarity with Jira and Confluence
• Experience with…