Amentum is a global leader in advanced engineering and innovative technology solutions, trusted by the United States and its allies to address their most significant and complex challenges in science, security and sustainability. Our people apply undaunted curiosity, relentless ambition and boundless imagination to challenge convention and drive progress. Our commitments are underpinned by the belief that safety, collaboration and well-being are integral to success. Headquartered in Chantilly, Virginia, we have approximately 50,000 employees in more than 70 countries across all 7 continents. The Personnel Security Specialist (PSS) completes personnel security suitability intake tasks in support of DHS Federal Protective Services (FPS), Personnel Security Division (PSD). Duties may include, but are not limited to: Initiates background investigations. Manages receipt of security documents submitted from contractor applicants. Conducts fingerprinting procedures. Verifies the appropriate level of background investigation being requested, and ensures all documents required for suitability processing have been completed and included in the individual files. Prepares, submits, monitors, and updates computer tracking systems concerning appropriate case material. Applies incident management, problem solving, and task performance. Participates in special projects. Additional duties as needed.