What Does a Media Buyer Do? Role and Daily Tasks Explained
A media buyer plans, launches and improves paid ad campaigns on Google, Meta and TikTok. See their daily tasks, tools and how their results are measured.
By the Zenstack team · · 2 min read
"Media buying" is an old advertising term for purchasing ad space. Today a media buyer does that work inside online ad platforms, and the job is as much about testing and numbers as it is about buying.
The role in simple terms
A media buyer decides where your ad money goes, who sees your ads, and how much you pay for each click or lead. Then they improve those decisions every day based on results.
What a media buyer does
- Plans campaigns. Chooses platforms, audiences, keywords and budgets.
- Builds and launches. Sets up campaigns, ad sets and tracking.
- Manages bids and budgets. Moves money toward what performs.
- Tests. Tries new creatives, headlines, audiences and landing pages.
- Checks tracking. Makes sure leads and sales are counted correctly.
- Reports. Explains what happened and what changes next.
A typical day
- Check overnight spend and anything unusual
- Pause weak ads and raise budget on strong ones
- Launch one or two new tests
- Research audiences or keywords
- Update the performance dashboard
Daily attention is what separates a good result from a wasted budget.
Platforms and tools
| Area | Common tools |
|---|---|
| Search ads | Google Ads |
| Social ads | Meta Ads, TikTok Ads, LinkedIn Ads |
| Tracking | GA4, platform pixels |
| Reporting | Looker Studio, spreadsheets |
Most media buyers are stronger on one platform. Ask where their experience is deepest.
How a media buyer is measured
- Cost per lead (CPL): ad spend divided by leads
- Cost per acquisition (CPA): ad spend divided by customers
- Return on ad spend (ROAS): revenue divided by ad spend
Pick the one that matches your business. A lead generation company watches cost per lead. An online shop watches return on ad spend.
Media buyer vs related roles
- Marketing manager: owns the wider plan across channels. A media buyer is the paid ads specialist within it.
- Creative or designer: makes the images and videos. The media buyer tests them.
- Social media manager: runs unpaid posting and community. See social media manager vs strategist.
When you need one
- You spend on ads every month and nobody checks them daily
- Your cost per lead keeps rising
- You run several platforms or many campaigns
- An agency manages your ads but you rarely hear from them
Hiring a media buyer
A full-time remote media buyer works only on your accounts, during your hours, with rates from $12 an hour through Zenstack. For pricing models, read how much a media buyer costs. For the hiring steps, see how to hire a remote media buyer.
Frequently asked questions
Is a media buyer the same as a PPC specialist?
They overlap. PPC specialist usually means search ads such as Google Ads. Media buyer is broader and includes social platforms like Meta and TikTok.
Does a media buyer create the ads?
They write ad copy and brief the creative, and some make simple visuals. Their core skill is buying, testing and improving, not design.
Who should own the ad accounts?
You should. Give your media buyer access to accounts you own, so all campaigns and data stay with your business.