Retirement Plan Administrator. Are you passionate about retirement plan administration. Have experience working at a TPA servicing Defined Contribution / 401(k) Plans. Familiar with Relius. If you answered yes, KB Pension Services has the perfect role for you. About Us. KB Pension Services, founded in 1997, is a leader in retirement plan administration with both local and remote employees nationwide. We are based on the sunny west coast of Florid...