Short answer

Make the first 1:1 about them, not about you. Ask what they are working on, what is getting in the way, and how they want to be managed - then commit to nothing on the spot. The single biggest first-1:1 mistake is arriving with a plan instead of questions.

Your first 1:1 as a manager is the highest-leverage half hour of your first month, and most new engineering managers spend it doing the one thing that undermines them: talking. You have just been promoted, you feel you should demonstrate competence, so you arrive with a vision, a plan, and a list of changes. Your report leaves knowing what you think and you leave knowing nothing.

The Information Asymmetry

On day one your report knows more than you do about the work, the team's real dynamics, and which processes are theatre. You have positional authority and almost no information. A first 1:1 spent talking converts your one genuine advantage - the licence to ask naive questions without losing face - into nothing.

The 30-minute agenda that works

Keep it to four blocks and let the middle two run long if they want to talk.

The three questions that get real answers

Generic questions get generic answers. These three consistently surface something useful in a first conversation:

What not to do in the first one

Three failure modes account for most bad first 1:1s:

The hard case: a report who wanted your job

If someone on your team applied for the role you got, address it in the first 1:1 rather than waiting for it to surface. Not addressing it is read as either obliviousness or cowardice, and both are worse than an awkward two minutes.

Say this, roughly

"I know you went for this role. I'm not going to pretend that isn't awkward, and I'm not going to pretend I know how you feel about it. What I can tell you is that I'd rather you were here than not, and I want to understand what you were hoping to do with the role - because some of it I probably should be doing."

You have acknowledged reality, avoided false sympathy, and asked them for something. That last part matters: people re-engage when they are asked to contribute, not when they are reassured.

Set the cadence and never cancel

Weekly for new reports, fortnightly once things are stable, thirty minutes, same slot. The cadence matters less than the reliability - a manager who reschedules 1:1s when things get busy is teaching their team that they are the first thing to be dropped under pressure, which is exactly when people need them.

Frequently asked questions

What should I ask in my first 1:1 as a new manager?

Ask what they are working on, what is slowing them down, and how they prefer to receive feedback. Then ask what the team does that wastes time - it gives explicit permission to be critical and usually surfaces the thing your predecessor could not hear.

How long should a first 1:1 be?

Thirty minutes is right for a first conversation, and let it run over if they are talking. An hour with a new manager feels like an interview; fifteen minutes signals the slot is not important.

What if my report doesn't talk in the 1:1?

Silence usually means they do not yet know what the meeting is for, or they have been burned by a previous manager. Ask narrower questions - "what took longest this week?" is easier to answer than "how's it going?" - and be willing to sit through a pause rather than filling it.

Should I talk about my plans for the team in the first 1:1?

No. You do not have enough information yet, and announcing plans before you understand the work is how new managers lose credibility in week one. Spend the first month gathering, then share what you have concluded and give people a chance to correct it.