'have a firm position' is a correct and usable phrase in written English.
You can use it when talking about holding a steadfast opinion about a particular issue or topic. For example, "We need to have a firm position on this matter so that we can make a rational decision."
This odd situation is just one of the opportunities that awaits those senators who don't yet seem to have a firm position on health reform.
Unlikely to have a firm position on Snapchat, either.
Romney is so flimsy, so open for attack: doesn't have a firm position on anything, doesn't give any substance or facts as to how he intends to execute on his "plan," has made his money on the backs of little guys yet disparages those same little guys for needing some extra help, attacks people for not paying taxes yet he pays less than I do.
Though new preparations of existing drugs and new chemical entities are under development, Sancuso has a firm position in the prophylaxis of nausea and vomiting for the foreseeable future.
"He recognised that the festival had to take a firm position in regards to his comments".
Mrs. Merkel and her Christian Democrats have yet to take a firm position but are generally considered sympathetic to extending the life of the nuclear plants.
In the final years of commissioner Bud Selig's tenure, Major League Baseball has taken a firm position on the need to clean up the game, to insure fairness and justice across the board, and to root out any players who are cutting corners in order to get ahead.
Former HP Executive Carly Fiorina presents her self as stylish and 21st Century candidate, but she has taken a firm position supporting Arizona's SB 1070.
Despite the advantage of the white pieces (which get the first move), he was on the ropes; Carlsen appeared to have a firm grip on the position.
The White House has yet to take a firm position on the bill; Mr. Obama, when asked, would not say whether he thought it was constitutional.
The White House has yet to take a firm position on the bill, and Mr. Obama, when asked, would not say whether he thought it was constitutional.
