Your resume must also demonstrate at least one year of specialized experience at or equivalent to the GS-13 grade level or pay band in the Federal service or equivalent experience in the private or public sector. Specialized experience must demonstrate the following: 1) Expert Knowledge of IT & COMSEC: Comprehensive knowledge of Information Technology (IT) security principles, specifically focusing on communications security (COMSEC) and the lifecycle management of sensitive cryptographic materials and systems. 2) Policy Development Experience: Experience developing, interpreting, and implementing strategic and operational IT security policies across a large, complex organization or Area of Responsibility (AOR). 3) Supervisory/Leadership Skills: Demonstrated ability to supervise, plan, and evaluate the work of a team of senior technical specialists (e.g., managing workloads, conducting appraisals, and enforcing EEO policies). 4) Executive Communication Skills: The ability to serve as a senior technical authority, providing authoritative advice to senior military/civilian leadership, and liaising with national-level agencies, foreign partners, and commercial vendors. Additional qualification information can be found from the following Office of Personnel Management website: www.opm.gov/policy-data-oversight/classification-qualifications/general-schedule-qualification-standards/#url=Group-Standards 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.