Senior Research Engineer, Safety

Decagon

Location
San Francisco
Salary range
USD $200,000 – $400,000 base
Workplace
In office
Level
Senior / Staff IC
Job family
Engineering
Posted
5 weeks ago

The T&S Network estimates this role to be P3, Senior. The typical base salary for that level in Safety Engineering & Data Science is $190k to $260k in the San Francisco Bay Area. Key skills at this level: owns a detection system end to end, including its drift and its retraining, designs for adversarial pressure rather than for a static distribution, and sets evaluation methodology others in the company adopt.

Learn more about this and similar levels
Why this level

Estimated from the posting rather than stated by the employer: the title reads as P3 · asks for 4+ years · posts $200k to $400k base in the San Francisco Bay Area.

Apply on Decagon

The role, in T&S terms

Written by the T&S Network from Decagon's posting.

Safety research engineering for Decagon's enterprise conversational AI agents, covering evaluation through production. The Research team builds the model and decision-making stack behind customer support agents, and this role sits in its safety work, focused on finding real-world failure modes and building the models, evaluations and safeguards that prevent them.

What you'd do

  • Create guardrails that block prompt injection, misuse of tools, leaking sensitive data, rule-breaking and invented promises to customers.
  • Construct stress tests, simulated conversations, red-team datasets and regression checks drawn from failures seen in production.
  • Work with Security, Product, Infrastructure, Legal and customer-facing staff to convert enterprise demands into safeguards that scale and rollout procedures.
  • Analyze live conversation logs and incidents to trace causes, try fixes and gauge how much each one helps.

What it asks for

  • Hands-on experience evaluating, post-training or deploying language models or agentic systems.
  • Fluency in Python and modern ML tooling, with engineering depth to ship production systems.
  • Familiarity with human review loops, incident response or responsible rollout frameworks for ML systems (preferred).

Terms in this role

Red teaming.
Testing a system, often an AI model, by deliberately trying to make it fail or misbehave, so problems are found and fixed first.

Our best summary of the posting, and it can be wrong. The employer's posting is what counts: read it in full on Decagon before you apply. If we got something wrong, report this listing.

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Still listed 14 hours ago

About Decagon

The employer

About Decagon

AI and model safety

Company profile

Platform for building and running AI customer service agents across voice, chat, email and SMS for large companies.

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