The process for hiring a CNA doesn’t follow the conventional process. The person you place in front of your residents will often be their hands, their voice, and sometimes their only human connection on a given day.
Get it wrong, and you’ll witness how the systems crash in real time.
After years recruiting in senior living, I’ve learned that the signals are almost always there. You just have to know where to look.
Red Flags That Should Give You Pause
A resume full of short stints with no explanation.
One or two short stays? That is okay. But five roles in three years with no context? You must recognize the pattern and although it doesn’t automatically disqualify someone, it requires a direct conversation. Ask what happened? Are there external factors that are not employment related? Listen carefully for ownership or whether ‘every’ former employer was “the problem.”
Vague answers to behavioral questions.
“I just really love working with the elderly” is often a deflection; strong candidates tell real stories. When you ask about a difficult moment with a resident, they’ll describe the situation clearly around what happened, how they handled it, and what they learned. Listen for their emotion, sense of pride, or even a sparkle in their eyes when providing their examples. Weak candidates stay in generalities because they either lack experience or are telling you what they think you want to hear.
Negativity about former residents or employers.
For me, this is a major warning sign. How a candidate talks about the people they cared for tells you a lot about how they’ll behave when no one is watching. Complaints about “difficult families” or “management that didn’t care” often signal someone who externalizes blame and it’s something that rarely improves after hiring.
They only ask about schedules and pay.
Money matters, but when a candidate focuses exclusively on logistics and never asks about the residents, the team, or what success looks like in the role, they’re telling you where their priorities are. If their primary motivation to change jobs is compensation, they are likely to leave your community for the same reason.
Reference checks go cold.
A former employer who will only confirm dates of employment is saying something, even if they’re careful about what they say. So is the supervisor who pauses too long before answering “Would you rehire them?” Listen closely for enthusiasm… or the absence of it. The top CNAs almost always leave behind someone who can’t stop praising their work.
Green Flags Worth Getting Excited About
They show up like they want the job.
On time, prepared, professionally presented and engaged before you’ve even asked the first question. It sounds basic, but it’s surprisingly rare and often a strong signal of how they’ll show up for residents every day.
They share real stories (including the hard ones.)
The best CNAs I’ve seen hired can talk openly about a difficult day at work and what they did to get through it. They remember residents by name and speak about families with empathy. They acknowledge mistakes and what they learned. That level of self-awareness doesn’t come from someone simply punching a clock.
They ask about the people, not just the position.
Questions like “What are the residents like here?” or “How does the team support each other when things get hard?” tell you the candidate is already thinking about the human side of the job rather than just checking if it fits their schedule.
References light up.
You call a former supervisor and before you finish your second question they’re saying, “She was one of the best CNAs we ever had.” That’s the signal you’re looking for, in other words, enthusiastic and specific praise from someone who managed them in a demanding environment.
They’re honest about difficulty without being bitter.
Senior care is hard work and the best CNAs don’t pretend otherwise. What separates them from burned-out candidates is their ability to keep showing up with empathy anyway. When someone says, “It can be emotionally exhausting, but this is where I’m supposed to be,” believe them.
The One Question to ask CNAs for the Filtering Purposes
“Tell me about the hardest resident you’ve ever cared for; not just medically, but emotionally. What made it hard, and what did you do?”
There is no right answer, but there is a telling one. Great candidates lean in, think for a moment and tell you about a real person. They’re honest about the challenge and specific about how they responded. Candidates who aren’t right for the role either give you a textbook answer or shut down entirely.
The Bottom Line
The CNA hiring process moves fast; short interviews, quick decisions, pressure to fill slots. I get it. But the cost of ignoring red flags in the CNA hiring process is paid by your residents.
Build a scorecard, train your interviewers on what good looks like and trust the signals. They’re almost always right.
What’s the most telling green flag you’ve seen in a CNA interview? Drop it in the comments; I’d love to build on this.
Aspen Associates Group has been placing senior living leadership across the country since 2008, and I have led the firm since its founding with a focus on the people behind the care. As a licensed nursing home administrator, I bring an operational perspective to every search we conduct.