Flight Controller - (Conn, Helm, Navigator)
The officer responsible for both helm and navigational duties. The flight controller is the pilot of the ship.  On a space station,  the flight control officer is assigned to the shuttle bays or as the flight control officer aboard any attached support vessels.

Operations Manager - (Ops Officer)
This bridge officer responsible for coordination of the various divisional (departmental) functions aboard the ship.  Operations also has the ability to scan planetary bodies with the ship's sensors.

Communications Officer - (Comm Officer,  Intelligence Officer)
The communications officer is charged with operating all communications equipment onboard the ship or station.  They handle all ship to ship and ship to planet communications. The officer is also the official intelligence officer.

Tactical - (Tactical Officer, Tac)
The tactical officer is a member of the security  division. Any security officer can fill in for the tactical position, but only a certified tactical officer would normally man the post.

Security - (Chief of Security, Sec)
The security division is charged with maintaining the ship's security at all times. This includes  but is not limited to; policing the crew, repelling boarding parties and providing security on away missions.  The security division also places a officer at the tactical position on the bridge.

Science - (Chief of Sciences, Sci)
The science division is charged with conducting all scientific studies and investigation needed onboard the ship or station.

Engineering - (Chief Engineer, Engineer)
This officer is charged with responsibility for  the operations and maintenance of the ship's power, environmental, and other key systems.

Political Officer - (Chief Political Officer, PO, Corps Officer)
The political officer is outside the normal chain of command as a member of the Political Officer Corp.  A body charged with maintaining Central Authority's control over the military. The political officer is also responsible for all diplomatic negotiations and  must retain a broad base of knowledge regarding foreign powers and alien races.

Medical Officer - (Chief Medical Officer, CMO,  Medical Officer)
The officer charged with responsibility for the health and well-being of the ship's crew. The chief medical officer does not have the authority to relieve a Gul of his command as a medical officer aboard a Federation vessel has. The medical officer can make a recommendation to the Political Officer if they feel the commanding officer is unfit for command.