Senior Staff ML Engineer, AI Safeguards - Moveworks

ServiceNow

Mountain View (CA)

On-site

USD 190,000 - 270,000

Full time

4 days ago

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Job summary

ServiceNow in Mountain View, CA seeks a Senior AI/ML Engineer to design, build and ship safeguards for large language models, including guardrail models and jailbreak detection, working with security and product teams to reduce risk while enabling practical AI features. Requirements include 8+ years in production software, 3+ years in applied ML, excellent Python skills, and strong model evaluation.

You will optimize latency and cost, and define configurable safeguard policies for enterprise

Qualifications

8+ years building production software, with 3+ years of applied ML.
Experience safeguarding LLMs: guardrail models, content classifiers, or safety evals.
Strong model evaluation for agent trajectories and text classification.
Understanding bypass methods like indirect prompt injection and multi-turn jailbreaks.
Excellent Python experience.

Responsibilities

Design and ship safeguards in the agent harness for prompt injection and jailbreaks.
Build evals measuring safeguard efficacy from reports and production data.
Collaborate with Security to turn findings into cases and mitigations.
Select and tune detection models for commercial and government environments.
Balance quality, latency, and cost for in-path controls.
Create configurable safeguard policies for customers.
Monitor production safeguards and fix regressions.

Skills

Production software

Applied ML

Python

Guardrails

Model evaluation

Prompt injection

LLM safety

Data quality

Job description

Company Description

Who we are

Moveworks:the Agentic AI Assistant platform that empowers the entire workforce.

Our platform enables employees to converse with all of their business systems through natural language to quickly find answers and automate tasks. Powered by the world's most advanced LLMs, our proprietary models, and a sophisticated Agentic AI platform, we're transforming how work gets done by allowing AI to take initiative, streamline complex workflows, and continuously learn and adapt.

Moveworks is trusted by over 5.5 million employees at more than 350 of the world’s largest companies, including 10% of the Fortune 500, to automate everyday tasks and streamline business operations. Recognized on the Forbes Cloud 100 and AI 50 lists, Moveworks was also named one of Fast Company’s 2025 Most Innovative Companies and Inc’s Best in Business, in the Best in Innovation category. Moveworks was also recognized at Microsoft’s 2025 Partner of the Year and in 2024, received the AI Breakthrough Award.

In December 2025, Moveworks was acquired by ServiceNow, marking a pivotal milestone in our journey to create a single front door to work for all business systems. By combining ServiceNow’s leading workflow automation with Moveworks’ Reasoning Engine and natural language capabilities, we deliver the AI platform for every person and every workflow. Built to go beyond basic summaries to deliver meaningful business impact. Together, our AI acts across enterprise systems to turn conversations into completed work.

By joining our team, you’ll be at the forefront of the AI transformation, backed by the global scale of ServiceNow and the agility of a high-growth company. We are looking for world‑class talent to help us extend agentic AI to every employee across every corner of the business.Come join us!

ServiceNow:it all started in sunny San Diego, California in 2004 when a visionary engineer, Fred Luddy, saw the potential to transform how we work. Fast forward to today — ServiceNow stands as a global market leader, bringing innovative AI-enhanced technology to over 8,100 customers, including 85% of the Fortune 500®. Our intelligent cloud-based platform seamlessly connects people, systems, and processes to empower organizations to find smarter, faster, and better ways to work. But this is just the beginning of our journey. Join us as we pursue our purpose to make the world work better for everyone.

Job Description

Design, build and ship safeguards in the agent harness for prompt injection, single and multi-turn jailbreaks, toxicity and sensitive topics, and sensitive data exposure
Build evals that measure safeguard efficacy on both false and true positives, using datasets from customer reports, adversarial testing and production traffic
Work closely with our Security team: turn their adversarial findings into eval cases and fixes, and build mitigations together that hold when detection misses
Select, integrate and fine-tune detection models within a stack shared by our commercial and government environments
Balance quality, latency and cost for controls that run in the request path
Build configurable safeguard policies so customers can decide how sensitive topics are handled
Monitor safeguard behavior in production and fix regressions

Qualifications

Typically 8 or more years building production software, including 3 or more years of applied ML (training, evaluating and deploying models in production systems)
Hands‑on experience developing safeguards for LLMs, such as guardrail models, content classifiers, prompt injection or jailbreak detection, or safety evals
Strong model evaluation fundamentals for agent trajectories and text classification, and attention to the quality of training and evaluation data
Working knowledge of how LLM safeguards get bypassed, including indirect prompt injection through tools and documents, and multi‑turn jailbreaks
Excellent Python Experience

Additional Information

Work Personas

We approach our distributed world of work with flexibility and trust. Work personas (flexible, remote, or required in office) are categories that are assigned to ServiceNow employees depending on the nature of their work and their assigned work location. Learn more here. To determine eligibility for a work persona, ServiceNow may confirm the distance between your primary residence and the closest ServiceNow office using a third‑party service.

Equal Opportunity Employer

ServiceNow is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, national origin, age, disability, gender identity, veteran status, or any other category protected by law. In addition, all qualified applicants with arrest or conviction records will be considered for employment in accordance with legal requirements.

Accommodations

We strive to create an accessible and inclusive experience for all candidates. If you require a reasonable accommodation to complete any part of the application process, or are unable to use this online application and need an alternative method to apply, please contact globaltalentss@servicenow.com for assistance.

Export Control Regulations

For positions requiring access to controlled technology subject to export control regulations, including the U.S. Export Administration Regulations (EAR), ServiceNow may be required to obtain export control approval from government authorities for certain individuals. All employment is contingent upon ServiceNow obtaining any export license or other approval that may be required by relevant export control authorities.

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