Strategic operations officer

The strategic operations officer was a post held by Lieutenant CommanderWorf on Deep Space 9 from his assignment there in 2372, until he was made ambassador to the Klingon Empire in 2375. (DS9: "The Way of the Warrior", "Rejoined", "The Sword of Kahless", "Ties of Blood and Water", "Soldiers of the Empire", "What You Leave Behind")

As the strategic operations officer, Worf reported directly to Deep Space 9's commanding officer, Captain Benjamin Sisko. Worf's primary duty was to coordinate all Starfleet activity within the sector, of which Deep Space 9 was a part. In addition, he also had other various responsibilities aboard the space station stretching across several departments including: (DS9: "Hippocratic Oath", "Soldiers of the Empire", "Call to Arms")

From time to time, Worf worked with Odo on security-related matters. He was also the first officer aboard the USS Defiant, which was assigned to Deep Space 9. (DS9: "Crossfire", "Starship Down", "Apocalypse Rising")
 * Small arms recalibration (someone with combat experience)
 * Intelligence officer (Starfleet officer with a level 4 security clearance or higher)
 * Fleet liaison officer

In 2374, Quark enticed Nog into helping him and Rom rescue Ishka from the Dominion by telling him that they were planning to make him the "strategic operations officer" of their team, "exactly like Commander Worf". (DS9: "The Magnificent Ferengi")