"sufficient qualifications" is a correct and usable phrase in written English.
You can use it when you are discussing a job applicant's credentials or skills that are needed to fulfill a specific role. For example, "John showed he had sufficient qualifications to become the manager of our new office."
"Unfortunately, intellect and work ethic are not sufficient qualifications for a cabinet secretary".
But one of the arguments opponents will use, that she lacks sufficient qualifications, isn't going to hold up very long.
But Kim said Moon believed Trump "has sufficient qualifications to win the Nobel peace prize" for his work toward peace between North and South Korea, which have yet to sign a peace treaty after their 1950-53 war.
If Romney's all-American good looks and calm demeanor are sufficient qualifications for Secretary of State, then the question becomes, what exactly are Ben Carson's qualifications to lead HUD?
At the hearing today, Mr. Ryan acknowledged that he lacked expertise in the financial sector, but contended that his experience as a manager of a Government bureaucracy, a reputation as a tough enforcer and almost a decade as a lawyer in a Washington law firm were sufficient qualifications for the job.
Child care workers need to have sufficient qualifications and experience in handling and raising children.
Yet expertise is not sufficient qualification for political office.
And is being a good read a sufficient qualification for winning a literary prize?
None of these redeeming features amount to sufficient qualification to be president and they are offset by a darker side.
That is not sufficient qualification for the presidency, Mr. Biden said in as direct a way as any Democrat this year has.
If that link is made, it is essential to stipulate that admission to the European Union is not sufficient qualification for entry into NATO.
