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. To be hired at the GS-13 level, specialized experience is defined as: Experience with the software development life cycle of IT software and systems, including cloud, analysis, design, development, programming, testing, deployment, monitoring, and maintenance of IT software and systems; experience participating in structured project management activities in regard to IT software and systems objectives.