
The short answer is that job descriptions are typically written by the hiring manager or the direct supervisor of the open role, with support from the HR or talent acquisition team. In many companies, the process starts with the hiring manager identifying the key responsibilities, required skills, and experience level. Then HR refines the language to ensure it aligns with company branding, legal compliance, and market competitiveness.
However, the best practice in 2026 is to co-create job descriptions with input from multiple stakeholders. This includes the team members who will work alongside the new hire, the recruiter who understands candidate expectations, and sometimes even a diversity or inclusion specialist to avoid biased language. According to a 2025 LinkedIn survey, organizations that involve at least three people in writing a job description see a 30% higher quality of hire and a 20% reduction in time-to-fill.
I’ve seen firsthand how a poorly written job description (too vague, too demanding, or loaded with jargon) can kill a recruiting campaign. For example, one tech company I consulted for kept failing to attract senior engineers. The culprit was a job description written entirely by the CEO, who listed 15 “must-have” technologies. When we rewrote it collaboratively—focusing on impact, growth opportunities, and realistic requirements—the number of qualified applicants tripled.
So, while the default answer is “the hiring manager,” the smarter answer is “a cross-functional team by the hiring manager, supported by HR, and reviewed by the future team.” If you’re an individual contributor trying to understand who wrote your job posting, it’s usually the person who knows the role best, but don’t assume it came from a single source.
| Role | Typical Contribution |
|---|---|
| Hiring Manager | Defines responsibilities, must-have skills, and team culture fit |
| HR / Talent Acquisition | Structures the content, adds employer branding, ensures compliance |
| Team Members | Suggest real day-to-day tasks and soft skills needed |
| DEI Specialist | Scans for biased language and recommends inclusive alternatives |

From my experience, the person who wrote the job description is often the hiring manager, but not always the one who actually posted it. I’ve been in companies where the recruiter drafts the first version based on a quick chat with the manager. The trick is to check who owns the role—if it’s a new position, it’s probably the HR business partner or a senior leader. Honestly, the best job descriptions are written by someone who has actually done the job or currently works closely with it. That’s who I trust.

Look, I’m a job seeker, and I’ve seen hundreds of job descriptions. The ones that feel real and specific? Those were likely written by someone on the actual team. The generic, buzzword-heavy ones? Probably a recruiter copying and pasting from a template. So who wrote the job matters a lot to me. If the description is full of “must be a ninja” and “rockstar,” I assume it was written by a clueless HR person. If it’s clear and talks about real projects, it’s the hiring manager.

As a consultant who frequently audits recruitment processes, I’ve noticed a trend: the most effective job descriptions are written by a partnership between the hiring manager and a dedicated writer or content strategist. The hiring manager provides the raw material—daily tasks, tools, team dynamic—and the writer crafts it into a narrative that sells the role. This split approach reduces bias and improves readability. In my clients, this method cut time-to-apply by 40% because candidates found the descriptions more engaging and authentic.

I’m a senior recruiter, and I’ve written hundreds of job descriptions. Honestly, the person who wrote it is usually the one who had the most time—or the most pressure. In startups, it’s often the founder. In large companies, it’s the hiring manager’s assistant. But the single most important factor is whether the writer actually understands the role’s real challenges. If they do, the description attracts the right people. If they don’t, it’s a waste of everyone’s time. So ask your recruiter: “Who wrote this?” Their answer tells you a lot.


