1. Contributions: Employee vs. Employer
With 401(k) plans like this one, it’s crucial to distinguish between employee contributions (which are often 100% vested immediately) and employer contributions (which may be subject to vesting). If your spouse has worked at Mechanical solutions, Inc.. for only a few years, some of their employer-funded contributions may be unvested and therefore not divisible via the QDRO.
Make sure your QDRO clearly defines what portion of the account the alternate payee is receiving—a flat dollar amount, a percentage, or a share determined by a specific valuation date. Otherwise, unvested funds could be mistakenly included in your share and lead to disputes or delays.

