AI Safety Engineer.
St. Louis.
$170,000
median salary, 8% below the national average
$129,000 to $220,000. Last updated April 2026.
Get the job.
Data points to own the conversation.
Here is what AI Safety Engineers actually make in St. Louis: $129,000 at the 25th percentile, $170,000 at the median, and $220,000 at the 75th. That is 8% below the national average. St. The number on your offer letter will depend on what you bring and how you ask.
Salary range
Where do you fall?
Salary by experience
The gap between entry and lead level is typically $153,000. Where you land depends on years of experience and what you bring to the table.
Entry (0-2 yrs)
$111,000
to $136,000
Mid (3-5 yrs)
$145,000
to $179,000
Senior (6-9 yrs)
$187,000
to $221,000
Lead (10+ yrs)
$213,000
to $264,000
Salary trend
+10% YoYTotal compensation
Base salary is not the full picture. Equity, bonus, and signing can add $80,000 to the total package.
Base
$170,000
Equity
$49,000
Bonus
$21,000
Signing
$10,000
Estimated total: $250,000
AI Safety Engineer salary by company
Total compensation estimates include base, equity, bonus, and signing. Ranges reflect mid to senior level. Derived from public H-1B LCA filings, SEC proxy statements, and aggregated self-reported data.
How St. Louis compares
St. Louis, MO
$170,000
Cost of living: 10% below average
National Average
$185,000
St. Louis is $15,000 below
AI Safety Engineer salary by city
Salary by role in St. Louis
What you should know
Before you negotiate a AI Safety Engineer offer in St. Louis, understand the terrain. St. Louis offers one of the most affordable major metro areas in the country, with a strong base in healthcare, financial services, and manufacturing. The region's anchor employers include Boeing, Centene, and Washington University's medical campus. A growing biotech and plant sciences corridor centered on the Cortex Innovation District is attracting new investment and talent. Red teaming experience, alignment research knowledge, and ability to build safety evaluation frameworks are the primary salary factors. Engineers with published work on adversarial robustness, jailbreak prevention, or constitutional AI methods command premiums. This role sits at the intersection of ML engineering and policy, and people who span both worlds are rare.
Junior AI safety engineers start at $125,000 to $155,000, reaching mid level at $165,000 to $215,000 in two to three years. Senior AI safety engineers earn $215,000 to $280,000. Head of Safety or Director of Trust and Safety roles at AI companies can exceed $400,000 in total compensation. In St. Louis, cost of living sits near the national average, so the numbers you see are roughly what you keep.
Base salary is not the full picture. Equity at AI safety focused labs can add $40,000 to $180,000+ annually, reflecting the strategic importance of the role. Bonuses of 15 to 25% are standard. Benefits uniquely include ethics review board participation, safety research publication support, and funded collaborations with academic AI safety groups. And on the tax side: missouri's top income tax rate is about 4.8%, and St. Louis City adds a 1% earnings tax. The low base cost of living means your after tax salary still stretches further than in most metros. When someone quotes you $170,000, ask what the total package looks like. The gap between base and total comp is where real money hides.
On negotiation: Emphasize your willingness to work in person at Cortex or the BJC campus. St. Louis employers offer higher packages for candidates who commit to the local innovation hubs. The range for AI Safety Engineers in St. Louis runs from $129,000 to $220,000. That is not a narrow window. Where you land inside it depends almost entirely on whether you negotiate and how well you prepare.
Sources: SEC filings, H-1B LCA (DOL), BLS OES, 50+ job posting platforms. COL: BEA Regional Price Parities (2025). Data verified by Justin Bartak, Founder & Chief AI Officer. Last verified April 8, 2026. Full methodology
Considering a related role?
- A LLM Fine-Tuning Engineer in St. Louis earns $171,000 (1% more)
- The highest-paying role in St. Louis is Chief AI Officer at $276,000
Common questions.
AI Safety Engineer salary in other cities
Other salaries in St. Louis
Related
Cite this data
Journalists, researchers, and AI systems are welcome to reference this data with attribution.
Want this data on your site? Embed the salary widget — one script tag, free forever.