First 90 Days in a New Job: What to Do Week by Week

A practical onboarding plan: the paperwork deadlines, the early wins that get noticed, and the exact words to use when you need something.

By Desmond Okafor-Lee · Oct 05, 2026 · 11 min read

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The first 90 days in a job are mostly about three things: getting the administrative side done without chasing, learning who does what, and finishing something small that someone else can see. Everything else — reputation, interesting projects, influence — follows from those.

This guide breaks the period into checkable steps: what to sort out before day one, what to aim for in week one, what a manager should be able to verify at 30, 60 and 90 days, and scripts you can say out loud when you need priorities, help or feedback. Specifics vary by employer, by state and by country, so where something depends on your own workplace, check your offer letter, handbook or HR contact rather than assuming.

Before You Start: Pre-Day-One Checklist

Work through these in the week before you start. Most take ten minutes each, and doing them early means your first morning is about people, not forms.

Email your manager or HR contact to confirm start time, where to go or which video link to join, who meets you, and what people actually wear.
Return any paperwork sent in advance. Employers are allowed to begin the Form I-9 process before your first day, but only once you have accepted the job offer, under the M-274 Handbook for Employers (I-9 Intelligence, undated).
Complete Section 1 of Form I-9 no later than your first day of work for pay (U.S. Citizenship and Immigration Services (USCIS), 2025-01-20). This applies to every employee hired after November 6, 1986, including U.S. citizens (Woods Rogers, undated).
Put your original identity and work authorization documents in your bag. Your employer has to verify and certify Section 2 within three business days of your first day (U.S. Citizenship and Immigration Services (USCIS), 2025-01-20), so turning up without them creates a scramble. Outside the US, the equivalent right-to-work check and its deadline will be different — ask HR what they need.
Fill in Form W-4 so your employer withholds the right amount of federal income tax from your pay (Internal Revenue Service (IRS), 2026). All new employees are required to complete one when starting a job (Paychex, 2025). Some states also have their own withholding form; ask HR which applies to you.
Have your bank account and routing details ready for direct deposit, plus an emergency contact name and number.
Note the benefits enrollment window in your offer pack. Deadlines differ by employer, and missing one can mean waiting months.
If your laptop, phone or logins arrive before day one, switch everything on, set up multi-factor authentication and test the VPN. Finding out the password reset flow is broken at 9am on Monday wastes your whole morning.
Do the commute once at the time you'd actually travel, or if you're remote, test camera, microphone and the meeting software your employer uses on the connection you'll really be on.
Read whatever is public: the product pages, the help documentation, recent press or annual reports. Write down three questions it raised.
Re-read the job description and write the five questions you most want your manager to answer in week one — scope, who you work with, what success looks like at 90 days.
Sort childcare, pet cover or anything else that could pull you out of week one, and tell people close to you that your evenings may be flat for a fortnight.

Day 1 to Week 1

First morning (by lunch on day 1)

Hand over your ID documents so Section 2 of your I-9 can be completed on time, and confirm your W-4 and direct deposit details are logged.
Get working logins for email, chat, calendar and the one system you'll use most. Note any you're still missing and who is chasing them.
Learn and write down the names and roles of five people, including whoever sits nearest you or is online most.
Open one running document — a plain note file is enough — with three sections: names and roles, acronyms and what they mean, and questions to ask later.

End of day 1

You can say, in one sentence, what your team is responsible for and who it delivers to.
You have a 1:1 with your manager in the calendar, repeating weekly, for the next month.
You've asked one question you could not have answered yourself. There's a difference between "I looked in the shared drive for five minutes and can't find the deployment checklist — where does it live?" and "so how does all this work?" The first gets an answer in thirty seconds; the second makes someone plan a lesson they don't have time for.

End of day 3

Your I-9, W-4 and benefits forms are all submitted. If anything is outstanding, you've emailed HR about it — your employer's deadline for certifying Section 2 is the end of the third day after your first day of employment (Verifyi9, undated), so day three is the moment to flag a gap, not week two.
You've booked 20–30 minute introductory chats with four to six people: your closest teammates and one person from each team that sends you work or receives it.
You've watched someone do the core task of your job once, start to finish, and written down the steps as you saw them.

End of week 1

You know 10 names and what each person owns, and you've used them in conversation.
You have written down the three things your manager says you'll be judged on by day 90, and sent them back in an email asking, "Is this right?" A written answer protects you later.
You've completed one real piece of work, however small — a ticket closed, a draft written, a call shadowed and then handled.
You know the team's rhythms: which meetings are mandatory, how quickly people expect replies to chat messages, who to tell when you'll be offline. Expectations here vary enormously by employer, so ask rather than copying your last job.

30/60/90 Day Benchmarks

Each milestone below is written so your manager could tick it off without you explaining yourself. Timing of formal reviews — probation periods, check-ins, confirmation of employment — varies by employer, state and country, so ask in week one when yours falls and align these to it.

Day 30

You've held at least four 1:1s with your manager, and in one of them you read back your top three priorities for the next two months and got them confirmed in writing.
You've delivered one complete, visible piece of work on your own: a report produced and sent, a customer issue resolved end to end, a feature or document shipped.
You have a written map of the people you depend on — name, team, what they own, how to reach them — and you've spoken to each of them once.

Day 60

You own one recurring responsibility and do it without being reminded: the weekly numbers, the inbox rota, the standing client update.
You've written down one process you learned verbally and shared it with your manager, so the next new hire can follow the steps instead of asking.
You've completed one piece of work that needed input from outside your immediate team, which means you had to ask someone for something and follow it up.

Day 90

Your routine output no longer gets checked before it goes out. That's the clearest observable sign your manager trusts the work.
You've had a review or check-in conversation, taken written notes on the feedback, and proposed goals for the following three months in an email.
You've identified one thing that is slower or more error-prone than it needs to be, written a short before-and-after with a rough estimate of the effort to fix it, and asked whether to go ahead.

If you're behind on any of these at the relevant point, say so in a 1:1 before your manager raises it. "I'm not yet running the weekly report unsupervised — can we do one more together this week?" reads very differently from silence followed by a mistake.

Scripts for Common Onboarding Conversations

Use these as written, swapping in your own names and tasks. They're short on purpose.

Asking your manager to rank your priorities (week 1 or 2)

You, in your scheduled 1:1
"I've got six things on my list and I can't tell which matters most. If I could only finish two of them by the end of the month, which two would you pick? I'd rather do those two properly than make a start on all six."

Introducing yourself to someone on another team (day 1 to day 5)

You, at their desk or on a video call
"Hi, I'm Dana — I started Monday on the billing team, working for Sam. I'm spending this week learning how requests reach you. Could I book 20 minutes this week to hear what you wish our team did differently?"

Saying you're stuck, without disappearing for a day (any week)

You, in a message to a teammate
"I've been on the export error for 40 minutes. I've checked the file format and re-run it twice, and it fails the same way. Before I spend another hour, could you look at the screenshot for five minutes and tell me if I'm missing something obvious?"

Asking for feedback at day 30

You, at the end of a 1:1
"I've been here a month now. What's one thing I'm doing that you want me to keep doing, and one thing you'd change? I'd rather hear the second one now than find out at my review."

Raising something that was described differently in interview (week 3 to 6)

You, in a 1:1
"When we talked in interviews, about half the role was meant to be client work. So far it's been nearly all internal reporting. Is that a timing thing while I learn, or has the shape of the job changed? I want to plan what I'm learning next."

Frequently asked questions

What if I forget someone's name after they've already told me twice?

Say it out loud rather than avoiding the person: "I'm sorry — I've met a lot of people this week and your name has gone. Can you tell me again?" Almost nobody minds in the first month, and the awkwardness grows the longer you dodge it. Write names into one running note the same day, with a detail like "sits by the window, handles refunds," because the detail is what makes the name stick.

How many questions is too many in the first week?

There's no number, but there is a test: have you spent five minutes trying to find the answer yourself, and are you asking the same person each time? Batch small questions into one message or one slot in your 1:1 instead of interrupting someone eight times a day. If you've asked the same question twice, write the answer down so there isn't a third time.

I made a visible mistake in my first fortnight. How bad is that?

Mistakes in weeks one and two are expected; hiding them is what damages trust. Tell whoever is affected the same day, in plain terms: what happened, who it touched, what you've done about it, and what you'll change. Then follow through on the change, because the second identical mistake is the one people remember.

When can I ask about a pay rise or promotion?

Find out in week one how pay reviews work where you are — timing, cycles and eligibility differ by employer, state and country, and some places won't review new hires until a set period has passed. Ask HR or your manager, "When does the pay review cycle run, and when would I first be included?" That's an information question, not a negotiation, and it's reasonable on day three. Raise an actual case only once you can point to specific delivered work.

I'm onboarding remotely and barely speak to anyone. What should I change?

Book short calls rather than waiting to be included: four 20-minute introductions in week one, then a recurring 15-minute call with one teammate doing similar work. Turn your camera on for the first month so people attach a face to your name. Say in your team chat what you're working on each morning — it's the remote substitute for being seen at a desk.

What if the job turns out to be different from the one I interviewed for?

Raise it between week three and week six, while it can still be corrected as a misunderstanding rather than a complaint. Describe the gap factually — what was described, what you're doing — and ask whether it's temporary. If the answer is that the role has genuinely changed and you don't want the new version, you've learned that at week five rather than month nine.

Sources

U.S. Citizenship and Immigration Services (USCIS) — Instructions for Form I-9, Employment Eligibility Verification (2025-01-20)
Woods Rogers — Employers Must Pay Close Attention to Form I-9 Processing
WorkBright — Your guide to the 2026 I-9 form
Verifyi9 — The Three Day Rule, E-Verify and Completing Form I-9
I-9 Intelligence — Can I-9 Be Completed Before the Start Date?
Internal Revenue Service (IRS) — Form W-4, Employee's Withholding Certificate (2026) (2026)
Paychex — What Is a W-4 Form & How to Fill It Out In 2025 (2025)

Written by

Desmond Okafor-Lee

Desmond writes about gig work, contracting, and the shifting idea of a 'normal' job. He tracks how people patch together income and what gets lost or gained in that patchwork. He's wary of easy verdicts on whether freelancing is freedom or precarity.