Cyber System Security Engineer (CSSE)

Belong. Connect. Grow. with KBR! KBR’s National Security Solutions team provides high-end engineering and advanced technology solutions to our customers in the intelligence and national security communities. In this position, your work will have a profound impact on the country’s most critical role – protecting our national security. KBR is seeking a Cyber Security Engineer to join our team in El Segundo, CA. An active TS/SCI is required to be considered for this position. Why Join Us? Innovative Projects: KBR’s work is at the forefront of engineering, logistics, operations, science, program management, mission IT and cybersecurity solutions. Collaborative Environment: Be part of a dynamic team that thrives on collaboration and innovation, fostering a supportive and intellectually stimulating workplace. Impactful Work: Your contributions will be pivotal in designing and optimizing defense systems that ensure national security and shape the future of space defense. We are seeking an experienced Space Systems, Cyber System Security Engineer (SSE) to support the integration of cybersecurity, systems security engineering, information assurance, program protection, and risk-management activities for defense-critical systems and information-network environments. The SSE will ensure cybersecurity is engineered throughout the system life cycle from requirements definition, architecture, design, integration, and test through deployment, authorization, sustainment, modernization, and disposal. The SSE will support systems pursuing and maintaining an Authority to Operate (ATO) through the Risk Management Framework (RMF) process. The SSE serves as a principal cybersecurity and RMF Subject Matter Expert (SME) to the program manager, chief engineer, Information System Security Manager (ISSM), Information System Security Officer (ISSO), system owner, Authorizing Official (AO), configuration-control authorities, and program leadership. Key Responsibilities Systems Security Engineering and RMF - Apply systems security engineering principles across the system development life cycle in accordance with NIST SP 800-160 and applicable DoD acquisition and cybersecurity requirements. - Translate mission, cybersecurity, privacy, program-protection, cryptographic, supply-chain, and compliance requirements into system specifications, architecture artifacts, interface-control requirements, verification criteria, and test procedures. - Responsible for RMF activities, including system registration, categorization support, control selection and tailoring, control implementation, assessment support, authorization-package development, risk response, and continuous monitoring. - Develop, maintain, and update authorization artifacts in eMASS or other approved governance, risk, and compliance tools, including System Security Plans (SSPs), Security Assessment Plans (SAPs), Security Assessment Reports (SARs), Security Control Traceability Matrices (SCTMs), Contingency Plans, Configuration Management Plans, and supporting evidence. - Provide technical cybersecurity risk assessments and recommendations to the ISSM, AO, program manager, and chief engineer regarding control deficiencies, residual risk, authorization dependencies, and risk-treatment options. - Participate in technical and program reviews, including requirements reviews, design reviews, test-readiness reviews, production-readiness reviews, and deployment decisions. SOW, CDRL, and Acquisition Support - Draft, review, and maintain cybersecurity and systems-security-engineering requirements for Statements of Work (SOWs), Performance Work Statements (PWSs), Statements of Objectives (SOOs), task orders, and acquisition documentation. - Develop and manage Contract Data Requirements List (CDRL) requirements for cybersecurity deliverables, including RMF packages, vulnerability reports, STIG checklists, cybersecurity test reports, software and firmware inventories, supply-chain documentation, and incident reports. - Ensure cybersecurity requirements are measurable, traceable, technically feasible, and aligned with program milestones, acceptance criteria, engineering baselines, and sustainment requirements. - Review contractor cybersecurity deliverables for completeness, technical adequacy, compliance, traceability, and readiness for government acceptance. - Support acquisition planning and source-selection activities by identifying cybersecurity risks, engineering dependencies, resource needs, and compliance requirements. Program Protection, Supply-Chain Risk, and Cryptography - Support Program Protection Plan development and execution, including identification and mitigation of threats to critical technologies, mission-critical functions, hardware, software, interfaces, and data. - Coordinate cybersecurity engineering with program protection, anti-tamper, software assurance, hardware assurance, supply-chain risk management, configuration managemen