Most principal investigators are excellent scientists and, understandably, reluctant HR administrators. A lab often starts small enough that hiring feels informal — a verbal offer to a promising graduate student, a postdoc brought on because a paper needs another set of hands, a research assistant paid off whatever line item has room. That works right up until it doesn’t. As the primary HR partner for a university research center’s faculty, postdoctoral scholars, graduate assistants, and staff — handling around 1,500 HR transactions a year — I see the same handful of compliance gaps surface again and again, almost always because a lab was run like a small, fast-moving team rather than an employer with obligations under federal and institutional policy.
Treating grant funding like a flexible budget instead of a compliance boundary
A grant doesn’t just fund a position — it defines it. The effort commitment, the allowable duties, the classification of the role, even how a person can be paid, all trace back to what was proposed and awarded. PIs who move people between projects, extend appointments, or add duties without checking whether it’s consistent with the funding source aren’t usually trying to cut corners; they just don’t realize research administration and human resources are, functionally, the same compliance conversation. This is a large part of why professional bodies like NCURA (the National Council of University Research Administrators) exist — the gap between what a grant allows and what a lab actually does is one of the more common quiet compliance risks in a research organization.
Misjudging classification — student, employee, or somewhere in between
Graduate assistants, postdoctoral scholars, and student employees each carry different rules around overtime eligibility, benefits, and what work can legally be expected of them. A PI who reassigns a graduate assistant’s duties without checking whether the change affects their classification, or who treats a postdoc as an at-will employee without accounting for the specific terms of a postdoctoral appointment, is creating exposure that usually doesn’t surface until someone leaves and asks pointed questions on the way out.
Skipping the parts of onboarding that don’t feel urgent
Mandatory training — Title IX, research integrity, lab safety, conflict-of-interest disclosures — is easy to defer when a new hire is eager to get into the lab on day one. It’s also one of the first things an institution’s compliance office checks when something goes wrong. A hiring process that gets someone benched, badged, and working before the required training is complete isn’t saving time; it’s deferring risk to whichever semester it eventually becomes unavoidable.
Treating international hires as a paperwork afterthought
This deserves its own conversation — I’ve written a full practical checklist for onboarding international scholars — but the short version is that visa sponsorship, timeline, and department readiness need to be settled before an offer goes out, not worked out afterward under deadline pressure.
Not building a relationship with HR until there’s already a problem
The PIs I work best with are the ones who loop HR in during planning — before a hire, before a reorganization, before a title change — rather than the ones who call only after a situation has already escalated. Compliance is far cheaper to build in at the start of a hiring decision than to repair afterward, and a good HR partner can usually tell a PI in five minutes whether a plan is going to create a problem down the line.
None of this is about slowing labs down. It’s about giving a PI the same protection a well-run business gives its managers: a clear structure so that good-faith decisions don’t accidentally become compliance liabilities. If your lab or department is auditing its own hiring and HR practices — or building that structure for the first time — I’d welcome the conversation; you can see more of how this fits into my work in STEM talent operations or reach out directly. And once the compliance basics are solid, the next question worth asking is what it actually takes to make lab staff feel like a genuine part of the institution rather than just names on a grant budget.