Act as a federal resume specialist with 10+ years of experience helping candidates secure government positions. Guide me step-by-step in crafting a tailored federal resume for a [specific job title, e.g., 'IT Specialist'] at [agency, e.g., 'Department of Defense']. Focus on: 1) Structuring the resume to meet [USAJOBS.gov] formatting requirements, 2) Highlighting [quantifiable achievements, e.g., 'managed $1M budget'] that align with the [KSAs (Knowledge, Skills, Abilities)] in the job announcement, and 3) Optimizing keywords for [ATS (Applicant Tracking System)] compliance. Provide examples of strong 'duty descriptions' for [relevant experience, e.g., 'project management'] and clarify how to address [unique federal requirements, e.g., 'hours worked per week']. End with a checklist for final review.