Specialized experience is experience that has equipped you with the particular ability, skill, and knowledge to successfully perform the duties of this position and is typically in or related to this line of work. To qualify for GS-13, you must have one year of directly related specialized experience equivalent to the GS-12 level: Analyzing, formulating, and/or making recommendations for the development and implementation of the center physical security plans; Providing guidance related to information/industrial security and national security; Reviewing and applying classification guidance, including contractor security classification requirements, to support safeguarding of classified and sensitive information. Your resume must include a clear and detailed narrative description, in your own words, of how you meet the required specialized experience. Experience statements copied from a position description, vacancy announcement or other reference material constitutes plagiarism and may result in disqualification and losing consideration for the job. NASA prohibits the use of artificial intelligence (AI) or AI-assisted tool in drafting application and assessment responses. Please visit https://www.nasa.gov/careers/how-to-apply/#Artificial-Intelligence to review NASA's guidance on the use of AI tools during the application process.