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LinkedIn post ideas about your first 90 days

The first 90 days at a new job are full of raw, shareable moments — confusion, small wins, culture shock, and rapid learning. These posts connect with anyone who's started something new and with hiring managers who want to improve their onboarding.

6 post ideas to try

  1. 1Share the biggest assumption you had about your new role that turned out to be completely wrong.
  2. 2Describe one thing you did in your first week that earned trust faster than any first-90-day plan would have.
  3. 3Write about the unwritten rule at your new company that nobody told you about until you broke it.
  4. 4Tell the story of the first small win that made you feel like you belonged in your new role.
  5. 5Share what you wish your onboarding had included that you had to figure out on your own.
  6. 6Describe the moment in your first 90 days when you almost regretted making the switch.

Example hooks to grab attention

Day 12 at my new job, I made a mistake so visible that the CEO Slacked me directly. Best thing that could have happened.
Nobody tells you about the first 90 days: the loneliness. Here's what I mean.

Tips for writing about this topic

  • Write the post while you're still in the first 90 days if possible — the emotions are fresher and more specific.
  • Include what surprised you. The gap between expectation and reality is where the best content lives.
  • Make it useful for both sides — new hires reading your post AND managers who want to improve their onboarding.

Recommended post formats

Frequently asked questions

Should I wait until I'm settled before posting about a new role?
No — posting during the transition is more authentic. 'Week 3 observations from a new hire' feels real. A year later, you'll sanitize the story and lose the good parts.
How do I post about a new role without seeming like I'm criticizing my new employer?
Frame observations as learning moments, not complaints. 'I was surprised by X and here's how I adapted' reads very differently from 'My new company does X wrong.'
What if I'm not sure my new role is working out?
That tension makes for honest, engaging content — as long as you focus on what you're learning rather than venting. Don't post anything you'd regret if your new manager saw it.

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