**Description** SAIC is seeking an experienced Information Systems Security Engineer (ISSE) for a position located in Chantilly, VA. The successful candidate will leverage overall system knowledge and expertise of space systems regarding security posture in the areas of technical, network, physical, certification and accreditation and operational security. **DESCRIPTION OF DUTIES:** Key duties/responsibilities include, but are not limited to: + Provide ISSE expertise for transitioning NRO or DoD systems authorization to Intelligence Community Directive (ICD) 503 or current agency directive and provide expertise on authorization process as needed + Perform system, sub-system and unit-level design analysis as necessary to determine if the design is both adequate to meet program security requirements and is cost effective + Perform analysis of alternatives (AoA) for security architectures and assist Systems Engineering with the planning for significant new and emerging security requirements for information assurance, information technology and security requirements + Provide support to system certification activities and efforts related to system certification and accreditation + Research, develop, integrate and distribute IS security tools and associated documentation + Provide on-site assistance for integrating IS security tools into contractor and Government information systems + Develop security procedures for systems and software within area of expertise to ensure consistent security policy implementation + Provide status to Directorate Information System Security Manager (ISSM) regarding certification and accreditation of all System Program Office sponsored systems + Provide the Information System Security Engineer (ISSE) support for IA systems concept, requirements, design, development, implementation, and/or integration from end-to-end of a system or system component as required + Design develop, and implement network security measures that provide confidentiality, integrity, availability, authentication and no-repudiation + Evaluate engineering change request proposals that require additional system requirements and/or possible change to system architecture and provide updated security impacts that affect the system + Develop security plans utilizing common IA controls where possible when assessing a system for authorization + Collaborate and work with other Subject Matter Experts (SMEs) on developing authorization packages in support of Achieving Authority to Operate (ATO) with required timelines + Participate in IA Engineering Working Groups, ISSE forums, Integrated Product Teams (IPTs) and provide IA guidance as needed **Qualifications** Clearance required to start: Top Secret/SCI with Polygraph TYPICAL EDUCATION AND EXPERIENCE: Bachelors and fourteen (14) years or more experience; Masters and twelve (12) years or more experience ; PhD or JD and nine (9) years or more experience. **REQUIRED EDUCATION AND EXPERIENCE:** + 9+ years of experience with SIGINT systems + CISSP, ISSEP and CRISC + Experience working with developers to support Accreditation and Authorization, ICD 503 requirements, cloud, and multi-level security + Experience working in a satellite systems program office or a satellite development facility assessing architecture, CONOPs and security requirements + Experience with IT/IA solutions (e.g., cross domain solutions, cloud hosting) + Skilled at critical thinking + Excellent communication skills + Excellent organization skills + STEM degree **Desired Skills:** + In-depth knowledge of Xacta or Tribal Fire + Operational experience in mission area + Technical Master’s degree + Experience in all phases of space systems lifecycle REQNUMBER: 2508038 SAIC is a premier technology integrator, solving our nation's most complex modernization and systems engineering challenges across the defense, space, federal civilian, and intelligence markets. Our robust portfolio of offerings includes high-end solutions in systems engineering and integration; enterprise IT, including cloud services; cyber; software; advanced analytics and simulation; and training. We are a team of 23,000 strong driven by mission, united purpose, and inspired by opportunity. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $6.5 billion. For more information, visit saic.com. For information on the benefits SAIC offers, see Working at SAIC. EOE AA M/F/Vet/Disability