Senior Cybersecurity Engineer

Belong. Connect. Grow. with KBR! KBR is seeking a highly motivated Senior Cybersecurity Engineer to support modernization and integration of the Protected Key Management Architecture (PKMA) capability within the Enterprise SATCOM System. The successful candidate will provide systems engineering, acquisition, cryptographic key management, requirements, integration planning, and stakeholder coordination support across government, contractor, and national-level crypto stakeholders. This role supports ongoing PKMA modernization activities, FOPR/SOW documentation, COMSEC/TRANSEC risk mitigation, dependency planning, testing, certification, and ESS integration milestones. 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. Key Responsibilities Lead systems engineering activities supporting PKMA modernization and integration into ESS. Develop and review technical requirements, Statements of Work, Technical Requirements Documents, Interface Control Documents, and acquisition documentation. Support Fair Opportunity Proposal Request, Request for Information, and other acquisition package activities for the PKMA modernization contract. Analyze vendor or contractor inputs and provide clear technical recommendations to government and program leadership. Develop technical roadmaps and dependency analyses supporting PKMA development, integration, testing, certification, and deployment. Coordinate cryptographic key management requirements across ground, terminal, payload, and space segment stakeholders. Support COMSEC/TRANSEC planning, test strategy, certification planning, and integration activities. Develop PKMA-related risk assessments, mitigation plans, and executive-ready briefings. Participate in key management, cyber engineering, SATCOM, and security working groups. Coordinate with NSA, Space Systems Command, mission partners, contractors, and system developers. Support technical baseline reviews including SRR, SFR, PDR, CDR, and integration readiness activities. Prepare concise status updates, program briefings, and decision-support materials for leadership. Work Environment: Location: On-site Travel Requirements: Minimal Working Hours: Standard Qualifications: Required: Active Top Secret clearance required for this position Bachelor's degree in engineering, computer science, mathematics, physics, or related technical discipline 7+ years of systems engineering experience supporting DoD, Intelligence Community, or national security space programs Experience with cryptographic systems, key management infrastructure, COMSEC, or TRANSEC operations Experience developing technical requirements, SOWs, acquisition packages, and engineering documentation Experience supporting large-scale system integration efforts Strong technical writing and briefing skills Proficient in Microsoft Office (Word, PowerPoint, Excel) Preferred: Master's degree in engineering or related discipline Experience with SATCOM, AEHF, ESS, EHF, or strategic communications systems Knowledge of PKI, KMI, PKMA, or enterprise key management architectures Experience supporting NSA-certified cryptographic systems Familiarity with MBSE/CAMEO, DOORS, Jira, or engineering toolsets Experience supporting acquisition strategy, source selection, and contract execution Certification in systems engineering, such as INCOSE CSEP or ESEP Certification such as CISSP, CEH Requirements management Technical baseline management Interface development and ICD adjudication Risk management Digital engineering Cybersecurity engineering Executive communications Cross-functional team leadership The PKMA modernization effort is a critical dependency for future ESS cryptographic capabilities, including key delivery, ECU integration, COMSEC/TRANSEC operations, and enterprise SATCOM resilience. The selected candidate will directly influence technical direction, acquisition execution, integration success, and risk posture for this modernization effort. Basic Compensation: $149,400 - $186,700 in El Segundo CA The offered rate will be based on the selected candidate’s knowledge, skills, abilities and/or experience and in consideration of internal parity. Ready to Make a Difference? If you’re excited about making a significant impact in the field of space defense and working on projects that matter, we encourage you to apply and join our team. KBR Benefits KBR offers a selection of competitive lifestyle benefits which could include 401K plan with company match, medical, dental, vision, life insurance, AD&D, flexi