In order to qualify for a IT Specialist (APPSW), GS-2210 position at the GS-12 grade level, if you meet the following qualification requirements: You must demonstrate in your resume at least one (1) year of qualifying experience equivalent to at least the GS-11 level in the Federal service obtained in either the private or public sector, performing the following types of tasks: 1) Reviewing business, functional, or technical requirements to identify testing needs and expected system behavior; 2) Developing and executing test plans, test cases, or test scripts for software applications using testing methods such as functional, integration, system, regression, performance, usability, or acceptance testing; 3) Identifying, documenting, and tracking software defects or incidents, including retesting corrected defects and validating that changes meet established requirements; 4) Preparing or coordinating test data, test environments, and testing activities associated with software releases, upgrades, or production changes; and 5) Communicating test results, defects, risks, and testing status to developers, project teams, customers, or other stakeholders. Customer Service - Works with clients and customers (that is, any individuals who use or receive the services or products that your work unit produces, including the general public, individuals who work in the agency, other agencies, or organizations outside the Government) to assess their needs, provide information or assistance, resolve their problems, or satisfy their expectations; knows about available products and services; is committed to providing quality products and services; and.