To qualify for a GS-11, your resume must demonstrate at least one year of specialized experience at or equivalent to the GS-09 grade level or pay band in the Federal service or equivalent experience in the private or public sector. Specialized experience must demonstrate the following: Experience serving as a system administrator for application systems such as Red Hat Enterprise Linux workstations and servers. Experience installing software similar to Red Hat Enterprise Linux servers and workstations. Experience applying DISA Security Technical Implementation Guides (STIGs) as in to Red Hat Enterprise Linux systems. Experience planning, scheduling and participating in the installation of new or modified hardware, operating systems and applications software. Experience managing user and administrator accounts, network permissions, and access to systems and equipment. Experience resolving hardware/software interface and interoperability problems. Experience managing the installation and integration of systems fixes, updates, and enhancements including Information Assurance Vulnerability Management (IAVM), Computer Network Directives (CND), and additional authoritative guidance. Experience in learning and utilizing information technology (IT) concepts, principles, methods, and practices. Experience in administering systems such as Red Hat Enterprise Linux (RHEL) 7 or greater, VMware vSphere 7.0 or greater, and Junos OS. AND 1. Attention to Detail - Is thorough when performing work and conscientious about attending to detail. IT-related experience demonstrating this competency include: Developing, documenting, reviewing, and updating policies and procedures to ensure information systems reliability and accessibility and to prevent and defend against unauthorized access to systems, networks, and data. 2. 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. IT-related experience demonstrating this competency include: Ensuring systems availability, functionality, integrity, and efficiency. 3. Oral Communication - Expresses information (for example, ideas or facts) to individuals or groups effectively, taking into account the audience and nature of the information (for example, technical, sensitive, controversial); makes clear and convincing oral presentations; listens to others, attends to nonverbal cues, and responds appropriately. IT-related experience demonstrating this competency include: Development and delivery of training to junior civilian and military information technology professionals. 4. Problem Solving - Identifies problems; determines accuracy and relevance of information; uses sound judgment to generate and evaluate alternatives, and to make recommendations. IT-related experience demonstrating this competency include: Participating in the development and implementation of systems security contingency plans, backups, and disaster recovery procedures. Additional qualification information can be found from the following Office of Personnel Management website: https://www.opm.gov/policy-data-oversight/classification-qualifications/general-schedule-qualification-standards/2200/information-technology-it-management-series-2210-alternative-a/ Experience refers to paid and unpaid experience, including volunteer work done through National Service programs (e.g., professional, philanthropic, religious, spiritual, community, student, social). Volunteer work helps build critical competencies, knowledge, and skills and can provide valuable training and experience that translates directly to paid employment.