It is soon to be my contract anniversary, so the appropriate timing to negotiate a raise. I work in IT, in a fairly large company.
I am then currently doing my homework (list of achievements, looking at job offers in the area to know current salaries).
I want to ask a ca. 30% raise. This is a lot, but I believe I was underpaid in my initial position (I didn't had the right background, plus they currently have an open position with public salary range). In addition, my role changed and I have started managing a small sub team (2–5 people).
Concurrently, my line manager just let me know during a workplace event the other day that they got me a raise. But they didn't precise how much (timing wasn't appropriate for further discussion).
I know that I have been decided for me. I don't know how much. But I suspect it will not be as high as I wish.
How to negotiate a higher raise when when its amount will be revealed?
Indeed, if the raise has already been approved (by my manager's manager HR), it seems odd to make a fuss again. I know I might/should have been more proactive to lead the discussions. But my question is about how to deal with the cards I currently have.