The phrase 'reliable with' is not correct and it is not commonly used in written English.
Instead, you might use the phrase 'reliable in', as in the example sentence: "He showed himself to be reliable in his work."
His firm is normally reliable, with an industrial bent.
Technical developments in the same decade made production more reliable, with a consistent quality of spirit.
This was a Quality Street offering: predictable, reliable, with something sweet for everyone.
Rival long-distance provider Great Western proved more reliable, with a 60% "right time" arrival figure.
Within India, Jet Airways is a pleasure — reliable with fantastic food.
Glasses buyers apparently feel they look "smarter" and "more reliable" with a pair of glasses on.
In a sentence: Simple, tough and reliable, with long battery life.
Wolfram Alpha was less reliable with 7 rectangles, but the basic idea is the same.
Rather, the technique should also be shown to be reliable, with known error rates.
Mr. Robinson said his tenant was reliable with the rent and helped on maintenance jobs around the house.
Call quality was excellent and reliable, with no dropped calls in my testing on EE's mobile network in London.
