You've Maxed Out Your 401(k). Now What?
For many engineers, maxing out the 401(k) can feel like a major milestone. It's a sign you've been disciplined with saving and are now on track toward a secure retirement.
And it should feel good. But this is actually where most engineers start to hit a wall and are unsure of what comes next.
Here's what to do after your 401(k) is maxed.
If you're enrolled in a high-deductible health plan, you likely have access to a Health Savings Account, and it's one of the most underused tools in the world of finance.
The HSA is the only account that's triple tax-advantaged:
Contributions go in pre-tax. Growth is tax-free. Withdrawals for qualified medical expenses are tax-free.
After age 65, it functions like a traditional IRA for any expense. For engineers who are early in their careers and healthy, it may make sense to contribute the max, invest it, and let it grow.
If you haven't opened one, start here before anything else.
Step 2: Consider a Roth IRA (If You Qualify)
Depending on your income, you may be eligible to contribute up to $7,500 per year in a Roth IRA (for tax year 2026).
The Roth gives you tax-free growth and tax-free withdrawals in retirement. It also gives you the flexibility that a 401(k) doesn't. Contributions (not earnings) can be withdrawn at any time without penalty. You’re also eligible to withdraw up to $10,000 for a down payment on your first home penalty-free.
If your income is too high to contribute directly to a Roth IRA, a backdoor Roth IRA is worth exploring. A backdoor Roth is only a two-step process where you contribute to a traditional IRA (non-deductible), then immediately convert it to a Roth IRA. It’s a perfectly legal strategy that high earners can utilize when their income exceeds the direct contribution limit.
Step 3: Open an After-Tax Brokerage or Managed Account
Once the tax-advantaged accounts are covered, a standard brokerage or actively managed account is typically the next best move.
There's no contribution limit. No restrictions on when you can access the money. And no rules about what you can invest in.
This is where goal-based investing becomes especially important. Money in a brokerage or managed account can be allocated toward:
· A home purchase in 5 years
· Work-optional flexibility before age 59½
· Or a major life transition you can't fully predict yet
And for engineers who are used to optimizing systems, a managed account takes the same approach with your investment portfolio. A professional handles the ongoing adjustments, rebalancing, and decision-making so your investments stay aligned with your goals without requiring your constant attention.
Both of these options offer flexibility and liquidity, giving you access to your money at any time.
Step 4: Revisit Your Employer Equity Compensation
Engineers with RSUs or an ESPP often face three decisions most people don't think about: when to sell, how much to keep, and where the proceeds go next. Get those decisions wrong and you can leave significant money on the table or take on more risk than you realize. The right approach will depend on your vesting schedule, tax situation, and your broader financial goals.
The Bigger Picture
Maxing out your 401(k) is a great way to start building your life for retirement, but the engineers who build real wealth over time don't just save more; they build systems where every dollar has a purpose, and every account serves a specific goal.
The question after maxing out your 401(k) shouldn’t just be "where do I invest now?" but instead "what am I trying to build toward?"
This is where having a financial plan makes all the difference.
If you're an engineer who maxed out your 401(k) and are stuck on what to do next, connect with me on LinkedIn or email me at evan.murphy@murphywealthmgmt.com. I'd love to help.