Official posts similar to or like United States Secretary of Energy

Head of the United States Department of Commerce. Appointed by the president of the United States with the advice and consent of the United States Senate and serves in the president's Cabinet. Wikipedia

Head of the United States Department of Education. The secretary advises the president of the United States, and the federal government, on federal policies, programs, and activities related to all education in the United States. Wikipedia

Head of the United States Department of Health and Human Services, concerned with health matters. Member of the President's Cabinet. Wikipedia

Head of the United States Department of the Treasury which is concerned with all financial and monetary matters relating to the federal government, and, until 2003, also included several major federal law enforcement agencies. Analogous to the minister of finance in many other countries. Wikipedia

Head of state and head of government of the United States of America. Commander-in-chief of the United States Armed Forces. Wikipedia

Statutory officer and the head (chief executive officer) of the Department of the Navy, a military department (component organization) within the Department of Defense of the United States of America. The Secretary of the Navy must be a civilian by law, at least 5 years removed from active military service. Wikipedia

Head of the United States Department of Veterans Affairs, the department concerned with veterans' benefits, health care, and national veterans' memorials and cemeteries. Member of the Cabinet and second to last at sixteenth in the line of succession to the presidency . Wikipedia

Second-highest office in the executive branch of the U.S. federal government, after the president of the United States, and ranks first in the presidential line of succession. Also an officer in the legislative branch, as president of the Senate. Wikipedia

Head of the Department of the Air Force, a military department within the United States Department of Defense. Civilian appointed by the President, by and with the advice and consent of the Senate. Wikipedia

Senior official of the federal government of the United States of America, and as head of the United States Department of State, is principally concerned with foreign policy and is considered to be the U.S. government's minister of foreign affairs. Nominated by the president of the United States and, following a confirmation hearing before the Senate Committee on Foreign Relations, is confirmed by the United States Senate. Wikipedia

Head of the United States Department of Homeland Security, the body concerned with protecting the United States and the safety of U.S. citizens. Member of the President's Cabinet. Wikipedia

Statutory office and the second-highest-ranking official in the Department of Defense of the United States of America. Principal civilian deputy to the secretary of defense, and is appointed by the president, with the advice and consent of the Senate. Wikipedia

Member of the United States President's Cabinet, beginning with George Washington's administration. A similar position, called either "Secretary at War" or "Secretary of War", had been appointed to serve the Congress of the Confederation under the Articles of Confederation between 1781 and 1789. Wikipedia

Leader of the U.S. delegation, the U.S. Mission to the United Nations. More formally known as the "Permanent Representative of the United States of America to the United Nations, with the rank and status of Ambassador Extraordinary and Plenipotentiary, and Representative of the United States of America in the Security Council of the United Nations"; it is also known as the U.S. Permanent Representative to the United Nations. Wikipedia

Leader and chief executive officer of the United States Department of Defense, the executive department of the Armed Forces of the U.S. The secretary of defense's position of command and authority over the U.S. military is second only to that of the president. Generally known as a defense minister in many other countries. Wikipedia

Second highest-ranking official in the United States Department of Justice and oversees the day-to-day operation of the Department. The Deputy Attorney General acts as Attorney General during the absence of the Attorney General. Wikipedia

High level civilian official in the United States Department of Defense. Principal staff assistant and adviser to both the Secretary of Defense and the Deputy Secretary of Defense for all budgetary and fiscal matters, including the development and execution of the Defense Department's annual budget. Wikipedia

High level civilian official in the United States Department of Defense. Principal staff assistant and adviser to both the Secretary of Defense and the Deputy Secretary of Defense for all matters concerning the formation of national security and defense policy. Wikipedia

United States government Cabinet-level official—subject to the authority, direction, and control of the president of the United States—required by the Intelligence Reform and Terrorism Prevention Act of 2004 to: The director produces the President's Daily Brief (PDB), a top-secret document including intelligence from all the various agencies, given each morning to the president of the United States. Wikipedia

Chief executive officer of the United States Postal Service. Current postmaster general. Wikipedia

Senior official of the United States Department of Defense. The USD(R&E) and the office s/he heads are charged with the development and oversight of DoD technology strategy for the DoD. Wikipedia

Statutory office that functions as the head of the Central Intelligence Agency, which in turn is a part of the United States Intelligence Community. Since February 2017, the D/CIA has been a Cabinet-level position. Wikipedia

Fourth-highest-ranking official in the United States Department of Justice. The current Solicitor General, Noel Francisco, took office on September 19, 2017. Wikipedia

Chief operating officer of the United States Department of Veterans Affairs, responsible for a nationwide system of health care services, benefits programs, and national cemeteries for America's veterans and their dependents. Second-highest-ranking officer in the Department and succeeds the Secretary of Veterans Affairs in the event of his resignation, death, or otherwise inability to fulfill his duties. Wikipedia