Summary Organizational Location: These positions are located in the Department of Homeland Security, U.S. Immigration and Customs Enforcement, Homeland Security Investigations (HSI), in multiple locations as specified in this announcement. Salary: The salary range indicated in this announcement will be adjusted to include locality payment for selected duty location. General Schedule locality pay tables may be found under Salaries & Wages. Responsibilities As a Mission Support Specialist, at the full performance level, you will perform the following duties: Provides senior-level program, policy, and management advisory services. Analyzes complex organizational, operational, and administrative issues. Supports organizational planning, performance management, workforce planning, and resource allocation. Develops recommendations to improve organizational effectiveness and mission accomplishment. Researches, analyzes, and reports policy data to support leadership decision-making. Collects, ...