To speak about work, you need the appropriate vocabulary.

Pension plan - a financial plan that allows you to receive money after you or your employer have paid money into it for a number of years;
Retirement plan - pension plan;
Data-entry clerk - a person who puts information into a computer database;
Necessary - needed in order to achieve something;
Permanent - continuing forever or for a long time;
Temporary - existing or happening for only a short or limited time;
Terminate - finish something.
Examples:
Some workers have necessary skills work.
I need a retirement plan.
I can work as a data-entry clerk.