Information System Security Engineer, Senior Key Role: Maintain responsibility for all Information Systems Security Engineer (ISSE) duties in support of Department of Defense (DoD) Risk Management Framework (RMF) and Intelligence Community Directive (ICD) 503. Leverage knowledge of National Institute of Standards and Technology (NIST) Special Publication 800 53 security controls and the Committee on National Security Systems Instruction 1253. Apply systems security engineering or architecture principles in support of the DoD RMF such as the specification, design, development, implementation, and modification of information system components. Select, tailor, and implement NIST SP 800 53 security controls in support of RMF Assessment and Authorization (A&A) requirements. Develop layered protections and establish cybersecurity Standard Operating Procedures (SOPs) or guidelines in support of security engineering practices for the organization's authorization boundary. Understand and apply system development lifecycle principles, including Agile or Waterfall, and perform duties such as delineating physical and logical security boundaries, ensuring that software developers are trained on how to build secure software, running security vulnerability scans, specifically with the Dod's Assured Compliance and Assessment Solution (ACAS) while generating and interpreting vulnerability scans, implementing Security Technical Implementation Guidelines (STIGs) and CIS Benchmarks, and other duties associated with RMF Continuous Monitoring, including remediating or mitigating findings and vulnerabilities on system POA&Ms. Basic Qualifications: 5 years of experience as an Information Systems Security Engineer 5 years of experience implementing defense in depth solutions and developing cybersecurity Standard Operating Procedures (SOPs) or guidelines in support of security engineering practices for the organization's authorization boundary 4 years of experience employing system development lifecycle principles using Agile or Waterfall methodologies 4 years of experience with DoD Continuous Monitoring procedures 3 years of experience implementing STIGs and CIS Benchmarks 3 years of experience utilizing and operating security tools, including Tenable Nessus and Security Center 3 years of experience with A&A package development in eMASS or Xacta Top Secret clearance Bachelor's degree Additional Qualifications: Experience applying DevSecOps into all phases of the software development lifecycle Experience in USCYBERCOM or the Intelligence Community Master's degree in Cybersecurity, Information Systems Management, Computer Engineering, Mathematics, Physics, Electrical Engineering, Mechanical Engineering, or Software Engineering Clearance: Applicants selected will be subject to a security investigation and may need to meet eligibility requirements for access to classified information; Top Secret clearance is required.⯠Compensation At Booz Allen, we celebrate your contributions, provide you with opportunities and choices, and support your total well being. Our offerings include health, life, disability, financial, and retirement benefits, as well as paid leave, professional development, tuition assistance, work life programs, and dependent care. Our recognition awards program acknowledges employees for exceptional performance and superior demonstration of our values. Full time and part time employees working at least 20 hours a week on a regular basis are eligible to participate in Booz Allen's benefit programs. Individuals that do not meet the threshold are only eligible for select offerings, not inclusive of health benefits. We encourage you to learn more about our total benefits by visiting the Resource page on our Careers site and reviewing Our Employee Benefits page. Salary at Booz Allen is determined by various factors, including but not limited to location, the individual's particular combination of education, knowledge, skills, competencies, and experience, as well as contract specific affordability and organizational requirements. The projected compensation range for this position is $77,600.00 to $176,000.00 (annualized USD). The estimate displayed represents the typical salary range for this position and is just one component of Booz Allen's total compensation package for employees. This posting will close within 90 days from the Posting Date. Identity Statement As part of the application process, you are expected to be on camera during interviews and assessments. We reserve the right to take your picture to verify your identity and prevent fraud. Work Model Our people first culture prioritizes the benefits of flexibility and collaboration, whether that happens in person or remotely. 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