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Engineer - Systems
Actalent
Troy, MI
- $40 to $45 USD / hour
Job Title: Engineer SystemsJob DescriptionThe Engineer Systems role focuses on defining, analyzing, and documenting stakeholder and product requirements for advanced driver assistance…
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RF Test Engineer
Actalent
Centennial, CO
- $85 to $100 USD / hour
Develop and maintain automated test scripts using Python or other object-oriented programming languages to support efficient and repeatable RF test execution.
Added 1 min ago
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Site Reliability Engineer II
Akamai
Remote, United States
- $95,000 to $171,000 USD / year
As a Site Reliability Engineer II, you will be responsible for:
Added 3 mins ago
Staff Engineer, Security
NXGN Management LLC
Remote, United States
NextGen Healthcare is looking for an experienced Staff Security Engineer to join our Security Engineering team to help drive continuous improvements in NextGen’s security posture. The Staff…
Added 3 mins ago
KC
Customer Engagement Applications Engineer – Texas/USA
KLA Corporation
Taylor, TX
- $102,000 to $173,400 USD / year
We are looking for an Applications Engagement Engineer to join our global CAPRES team, supporting customers with primary focus on Texas and the United States..
Added 4 mins ago
Azure DevOps Engineer
Libra Solutions
Remote, United States
Libra Solutions is seeking an Azure DevOps Engineer to build, automate, and operate the delivery pipelines and cloud platform behind our products. You will own our Azure DevOps (ADO)…
Added 4 mins ago
Azure DevOps Engineer
Libra Solutions
Remote, United States
Libra Solutions is seeking an Azure DevOps Engineer to build, automate, and operate the delivery pipelines and cloud platform behind our products. You will own our Azure DevOps (ADO)…
Added 7 mins ago
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Site Reliability Engineer III
Kforce
Chicago, IL
- $60 to $65 USD / hour
Kforce has a client seeking a Site Reliability Engineer in Chicago, IL. This role will serve as a primary SRE within a geographically distributed team supporting a greenfield technology…
Added 10 mins ago
Senior Staff Software Engineer, Platform
Rippling
San Francisco, CA · Seattle, WA · New York, NY
We're hiring a Senior Staff Engineer to help define the future of Rippling's core platform and AI infrastructure. This is a rare opportunity to work on foundational systems that sit at the…
Added 11 mins ago
Staff Software Engineer, Reliability
LinkedIn
Mountain View, CA
…member and customer to experience LinkedIn as "always on", every engineer to benefit from a more insightful and proactive site-wide reliability ecosystem, and every business and product…
Added 13 mins ago
Forward Deployed Engineer
Intuit
Mountain View, CA
Perform deep technical troubleshooting: review and edit Python, write SQL for integrations, and diagnose configuration issues across customer systems.
Added 13 mins ago
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Product Software Engineer II
Disney Entertainment & Sports LLC
Glendale, CA
- $117,500 to $157,500 USD / year
The News & Entertainment Platform Engineering organization is looking for a Software Engineer who is passionate about developing high-performance platforms and growing their technical…
Added 14 mins ago
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Lead Principal Application Software Engineer- Forward Deployed Engineer
Oracle
Little Rock, AR
- $104,600 to $264,100 USD / year
Oracle Customer Success Services (CSS) is seeking a Senior Principal Forward Deployed Engineer to lead the delivery of strategic AI and data transformation programs for Oracle's largest…
Added 14 mins ago
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Principal DevOps / Data Engineer
Alder
Newton, MA
- $175,000 to $195,000 USD / year
…with a data lakehouse at its core. The Principal DevOps & Data Engineer is a hybrid role that owns two tightly linked things: the platform that runs on (multi-account AWS, EKS, CI/CD,…
Added 16 mins ago
Full-stack Engineer 4 (Manager, IC )
Capital One
McLean, VA
…drive technical direction across a modern stack anchored by Python, Java, and AWS serverless technologies. If you are looking to take ownership of high-impact engineering in a tight-knit,…
Added 16 mins ago
Network Engineer 5 (DNS | DHCP | IPAM)
Capital One
McLean, VA · Plano, TX · Richmond, VA
…frameworks and emerging technologies to join our team. As a Network Engineer, you’ll have the opportunity to be on the forefront of driving a major transformation across Capital…
Added 16 mins ago
Full-stack Engineer 4
Capital One
McLean, VA
Utilize programming languages like Java, Scala, Python, Go, Node.js, JavaScript and TypeScript, Open Source RDBMS and NoSQL databases, Container Orchestration services including Docker and…
Added 17 mins ago
Staff Database Engineer
ServiceNow
Santa Clara, CA
It all started when engineer Fred Luddy wrote code that automated a tedious task for his coworker, Phyllis. She cried tears of joy. That moment inspired Fred to build a company that could…
Added 18 mins ago
AI/ML Engineer Intern
Intuitive
Sunnyvale, CA
…seeking a highly motivated, hard-working, and professional AI/ML Engineer Intern to join our team for Summer 2027. The AI/ML Engineer Intern will support GAVE’s mission of generating…
Added 22 mins ago
Senior/Staff Platform Engineer, Enterprise Deployments
Quilter
Remote, United States
We’re looking for a Senior or Staff Platform Engineer to lead customer-facing deployments and integrations of Quilter in enterprise environments.
Added 22 mins ago
Senior/Staff Platform Engineer, Infrastructure & Security
Quilter
Remote, United States
We’re looking for a Senior or Staff Platform Engineer to build and operate secure cloud infrastructure and automate the controls we depend on.
Added 22 mins ago
Senior AI Product Builder
Exiger
McLean, VA · Richmond, VA
Added 23 mins ago
ZT
2027 Summer Internship (US) - Software/AI Engineer (Handheld Mobile Computers)
Zebra Technologies Corporation
Holtsville, NY
- $33 to $40.5 USD / hour
Writing clean Python, C++ and Java/Kotlin code.
Added 28 mins ago
Senior DevOps Engineer (NYC)
Zafran Security
Remote, United States
Zafran is looking for a Senior DevOps Engineer to own our US-only production environment end-to-end and lead our growing US DevOps presence. This is a hands-on role combining infrastructure…
Added 31 mins ago
DevOps Engineer I
Vertafore
East Lansing, MI
· Experience with scripting languages (e.g., Python, PowerShell, Bash).

Tolmo

Research Engineer, AI Security

San Francisco, CA, United States

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Job details

Posting language: English
Posted: Nov 2, 2026

Original job description

ABOUT TOLMO

Tolmo is cybersecurity for the age of AI. Coding agents now ship software faster than any human team can review or secure it; 100+ pull requests per engineer per week is no longer an outlier, and attackers are using the same agents to find and exploit weaknesses in days, not months. The old playbook of quarterly pentests and endless alert queues breaks at this speed.

We're building a new security playbook. Tolmo runs a fleet of AI security agents that reason over a live graph of your entire production system (code, CI, cloud, and telemetry) and continuously attack a faithful copy of it like a real adversary. Every finding arrives validated, with its blast radius and a remediation plan that lands in your workflow, ready for a coding agent to fix. Hours to integrate, days to your first validated finding.

We've done this before: Tolmo's founders built Sqreen (acquired by Datadog) and led security products that thousands of organizations trusted. We're backed by Accel and Y Combinator and just getting started.

THE ROLE

Our product is only as good as our agents' judgment. As a Research Engineer on AI Security, you make that judgment better and measurably so: how our agents plan, reason over a graph of a customer's production system, decide what is worth testing, and know when a finding is real.

This sits between research and engineering. In one week you might design an eval that catches a new class of false positive, change how an agent plans a multi-step investigation, compare models on a hard benchmark, and harden the agents themselves against prompt injection from the systems they inspect. You'll work directly with the founders, our engineers, and the security leads who run pentests with our agents, and your work ships to production.

WHAT YOU'LL DO

Agent reasoning: improve how our agents plan, use tools, and reason over a live graph of code, cloud, and telemetry, so they reach real findings faster and with fewer dead ends.
Evaluation: build the evals, benchmarks, and graders that tell us whether an agent actually got better, and make them part of how every change ships.
Model selection and tuning: compare models, prompts, and agent designs on cost, latency, and quality, and turn the results into production decisions.
Model and agent security: defend our agents against prompt injection, data exfiltration, and manipulation by the very systems they test, and research the security of LLM-based applications our customers build.
Reliability at scale: make long-running agents dependable across thousands of runs: verification, self-checks, and sensible stopping.
Learning from the field: study agent runs from customer engagements, find where reasoning broke, and turn each failure into an eval and a fix.

WHAT WE'RE LOOKING FOR

Hands-on experience building, evaluating, or improving LLM-based agents or systems in production.
A rigorous, empirical approach: you design experiments, distrust single anecdotes, and let the evals decide.
Strong engineering skills: you write production-quality code (Python, TypeScript, or Go) and build tools other people rely on.
A working understanding of security, or a strong drive to learn it fast: how real systems are attacked and how findings are validated.
Familiarity with LLM security risks such as prompt injection, jailbreaks, and tool misuse.
You build with AI coding agents daily (e.g., Claude Code, Cursor) and have opinions about what makes them reliable.

NICE TO HAVE

Research background in machine learning, AI safety, or security: publications, open-source work, or talks.
Offensive security experience: penetration testing, red teaming, bug bounty, or CTFs.
Experience with reinforcement learning, fine-tuning, or synthetic data generation for agents.
Experience with graph data models or reasoning over structured data.
Prior early-stage startup experience.

COMPENSATION & BENEFITS

Competitive salary, depending on level and experience.
Early-stage equity: you're joining early; you'll own a real piece of what we build.
Comprehensive medical, dental, and vision coverage, and the equipment you need to do your best work.
Based in San Francisco; we work in person.

Tolmo is building a team with wide-ranging backgrounds, perspectives, and paths into security; we think it makes our product and judgment better. If you're excited about this role but don't match every point above, we'd still like to hear from you. We're an equal opportunity employer and welcome applicants of every background.

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