Senior AI Security Engineer

OneStream, United States +1

The role

That mission comes to life through our people. Behind every innovation, customer success, and milestone are talented people working together to make a difference. That's why we're looking for people who are bold enough to think big, authentic in how they lead and collaborate, curious about what's possible, and committed to delivering results.

Want a closer look before you apply? Explore our Careers site to learn more about our people, culture, and benefits.

Summary

The Senior AI Security Engineer is the senior technical owner for the day-to-day security of OneStream’s internal AI environment. As the company expands its use of AI, this role drives the technical execution of the internal AI security strategy, ensuring internal AI platforms, connectors, agents, and workflows are deployed securely, and is accountable for the outcomes.

All jobs

Senior AI Security Engineer

OneStream, United States +1

Posted pay

$131K–$170K

a year

Compared with similar jobs

This base pay is below the median for senior security engineering jobs in other US places.

Median: $188K a year
Other jobs in the group: 329

We compare the middle of each posted range. This is base pay as posted. The group does not include this job.

Location: United States +1
Work type: Not given
Level: Senior
Experience: 6+ years
Skills in the job text: Python
Posted: 20 days ago
Last check: 6 h ago
Job type: Security engineering

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OneStream

Open tech jobs: 19
With posted pay: 100%
Median posted base: $114K–$148K

About OneStream: funding, hiring and pay

OneStream

About OneStream: funding, hiring and pay

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The role

Want a closer look before you apply? Explore our Careers site to learn more about our people, culture, and benefits.

Summary

What you will do

Serve as the senior technical owner for the day-to-day security of OneStream’s internal AI environment, including enterprise AI assistant platforms, agents, connectors and tool integrations such as MCP, and AI-enabled business workflows, from intake through production; co-develop and execute the internal AI security roadmap with the AI Security Architect/Manager.
Define and own the security review standard for enterprise AI assistant and agent configurations, connectors, and workflows, including tenant-level controls, permissions, data-sharing and retention settings, integration configurations, and custom agents and skills; make independent approval decisions and set the secure-by-default baselines that internal AI builders follow.
Architect, implement, and own the AI Detection and Response (AIDR) capability end to end: monitor AI usage across the enterprise, detect prompt injection, tool abuse, data exfiltration, and anomalous agent behavior, and integrate alerting and response into Security Operations workflows.
Lead and set the standard for security reviews of new and third-party AI tooling, including AI-enabled SaaS features, connectors, MCP servers, and models, against OneStream security policies and procedures, and serve as the escalation point for complex or high-risk reviews.
Serve as the Security team’s AI automation champion: identify opportunities to incorporate AI into security operations, such as alert triage and enrichment, detection engineering, and vulnerability management, and lead the design and delivery of those workflows to multiply the team’s capacity.
Lead threat modeling of internal AI use cases against AI-specific attack classes, including prompt injection, jailbreaks, tool misuse, excessive agency, sensitive data leakage, and AI supply-chain risk, and influence architecture decisions across IT and Engineering.
Define, implement, and own the metrics program for internal AI security, and report AI security posture and program progress to Security leadership.
Operationalize AI governance by partnering with IT, Legal, Privacy, and business teams to translate AI acceptable use, data classification, and security policies into technical guardrails, secure-by-default patterns, review checklists, and training that enable employees and internal AI builders to adopt AI securely.
Act as incident lead for security incidents involving internal AI systems: investigate, contain, and remediate AI-related incidents and drive lessons learned into controls and detections.
Monitor the emerging AI threat landscape and frontier model capabilities and translate developments into updated controls, detections, and guidance for the organization.
Provide technical leadership and mentorship to AI Security team members, including onboarding and guiding future AI Security hires, and raise AI security capability across the broader Security team.

Senior AI Security Engineer

The role

Senior AI Security Engineer

The role

What you will do

What you need

Nice to have

Knowledge, Skills, and Abilities

Pay and benefits

About OneStream

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