Job brief: Staff Machine Learning Engineer, AI Security

What JoRoute checked · Checked by JoRoute

• Listed on Reddit's own job board. JoRoute does not take listings from job ads or recruiters.
• First seen by JoRoute 2026-11-04 (4 days ago); last confirmed on the board 2026-11-08.
• The apply link opens job-boards.greenhouse.io, the address Reddit's board gives for this job.
• No other listing with this title and place on this board in the last 90 days.
• No layoff notices (WARN) under this name in the state files JoRoute reads.

What the listing says · Employer's own words, not checked

• Pay: $230,000 to $322,000 a year
• Job type: Not stated
• Where: Remote · Remote - United States
• Posted: 2026-09-15

What the job asks · Employer's own words, not checked

Level: Lead / staff. The title says "Staff".

Must have

• 8+ years of experience developing machine learning models, with substantial hands-on model training experience, demonstrated production impact, and a record of leading complex ini…
• Final offer amounts are determined by multiple factors including, skills, depth of work experience and relevant licenses/credentials, and may vary from the amounts listed below.

Main duties

• Build reproducible training and evaluation pipelines on Reddit’s ML platform, partnering with platform engineers to improve inference performance, resource e…
• Own training-data quality and the production model lifecycle, using monitoring, incident findings, and red-team feedback to guide dataset improvements, retra…
• Mentor engineers and lead technical discussions and reviews, shaping the team’s long-term ML capabilities and AI security direction.

Lines copied from the posting, not rewritten. "Preferred" or "nice to have" items are not listed as must-haves.

How it compares · Compared by JoRoute from listings

• Typical listed pay for engineer jobs across the U.S.: $140k a year (3,312 listings, 148 employers). This listing is 97% higher.
• Across Reddit's 142 open listings, 51% of those with a posting date were first posted more than 60 days ago. How Reddit hires

What nobody outside the employer knows · Not known

• Whether the role is already filled or on hold: employers often leave listings up.
• How many people applied, and who reads the applications.
• Where in the published range an offer would land.

Ask before you apply

1. Is the role fully remote, and from which states can I work?
2. What are the interview steps, and when should I expect to hear back?

Share this brief

Send it to someone whose opinion you trust. They can open it without an account, and nothing about you is in the link.

Email itText it

To keep a copy, use your browser's Print or Share button.

Next steps

Apply on the employer's page Full listingDoes my CV fit?Practise the interviewShould I apply?

Got a message about this job asking for money or documents? Check the message first.

Keep looking

• All 142 open Reddit jobs, and how Reddit hires.
• Saw a job somewhere else? Check if the employer still lists it.
• Search every job JoRoute reads from employers' own job boards. No account needed.