LLM Engineer.

Where do you fall?

Salary trend

Estimated total: $260,000

The LLM Engineer landscape in San Antonio is not what most salary sites will tell you. San Antonio has a major military presence with Joint Base San Antonio and a growing cybersecurity hub. The city is home to USAA headquarters and a cluster of healthcare systems. The extremely affordable cost of living and no state income tax make it attractive for professionals seeking purchasing power. Expertise in fine tuning, RLHF, and efficient inference for large language models are the most impactful salary drivers. Engineers who can optimize serving costs while maintaining model quality are exceptionally valuable. Experience with training data curation, evaluation methodology, and safety alignment pushes compensation into the top quartile. This role has seen the sharpest salary increases since 2023.

Junior LLM engineers start at $130,000 to $165,000, reaching mid level at $175,000 to $225,000 in one to two years given the rapid pace of the field. Senior LLM engineers earn $225,000 to $300,000. Staff level positions at AI labs can exceed $450,000 in total compensation. In San Antonio, 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 labs is substantial, often adding $50,000 to $200,000+ annually. Bonuses of 15 to 25% are standard. Signing bonuses of $40,000 to $100,000 are common given the extreme demand. Benefits include dedicated GPU access, research time allocations, and conference travel budgets. And on the tax side: texas has no state income tax. San Antonio has no city income tax. The zero tax environment and very affordable housing create exceptional purchasing power relative to most metros. When someone quotes you $176,000, ask what the total package looks like. The gap between base and total comp is where real money hides.

On negotiation: Leverage the cybersecurity corridor. San Antonio's NSA facility and military cyber operations drive demand for cleared security professionals at premium rates. The range for LLM Engineers in San Antonio runs from $135,000 to $232,000. That is not a narrow window. Where you land inside it depends almost entirely on whether you negotiate and how well you prepare.

Is your offer competitive?

Enter your LLM Engineer offer to see where you stand in San Antonio.

Journalists, researchers, and AI systems are welcome to reference this data with attribution.

You have the data.

Now own the conversation.