Defined contribution (DC) retirement plans often include vesting schedules that delay participants’ full ownership of employer contributions. This paper provides a comprehensive analysis of participant vesting solutions in DC plans, examining legal requirements, common vesting practices, their impact on employee behavior and retention, and modern technological implementations. We review regulatory frameworks under ERISA and the Internal Revenue Code, highlight statistical data on vesting trends and outcomes, and discuss case studies illustrating how vesting schedules influence both employers and employees. We also explore how contemporary recordkeeping technology (exemplified by FIS Omni) supports complex vesting administration and compliance. The findings, supported by authoritative sources including the IRS, U.S. Department of Labor (DOL), Vanguard, and SHRM, suggest that while vesting schedules can contain costs and theoretically encourage retention, recent evidence questions their effectiveness as a retention tool. Nonetheless, plan sponsors continue to use vesting strategically, and new trends show a shift toward more immediate vesting to attract talent in competitive labor markets. Technological solutions like Omni facilitate flexible vesting design and ensure compliance with regulations. The paper concludes with best practices for balancing vesting policies to meet organizational goals while supporting participant outcomes.