Amentum is looking for a Sr. Information System Security Engineer (ISSE) to support Program Offices within Department of Defense Strategic Systems Programs (SSP). The ISSE will support non-enterprise information systems of large-scaled programs of record (POR), as well as multiple Science and Technology (S&T) programs. The System ISSE will provide direct support to the Program Office Technical Lead onsite at NSWC Crane and will be expected to travel regularly to SPHQ or Field Activities. The ISSE will ensure Cybersecurity requirements support system acquisition, development, test, and sustainment, and are embedded in SSP system designs. Their duties involve requirements analysis, design, development, implementation, and integration of Cybersecurity system architectures that provide cyber resiliency and Cybersecurity capabilities into SSP’s non-enterprise systems. They are responsible for ensuring that design alternatives are selected that appropriately account for risk to mission regarding the cyber security posture.