Staff Security Engineer

Company Description
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
What you get to do in this role:
This role requires a blend of deep research, secure systems design, and hands-on prototyping. You will pioneer new approaches to secure the AI development lifecycle, create systems that govern how agents interact safely with tools and APIs, and build solutions that bake security into the fabric of our agentic platforms. Your work will be critical in shaping our long-term AI security roadmap and establishing new standards for the industry.
What you'll do:

• Design and build defenses that secure our Agentic AI ecosystem, our LLMs, and our cutting edge AI models.
• Proactively identify and mitigate risks in this emerging domain by creating foundational security solutions.
• Focus on developing scalable, secure-by-design frameworks that empower developers to build trustworthy applications.
• Continuously drive and implement cutting-edge security in agentic ai, and LLM use througout the company while converting these insights into production-grade controls and services deployed across the ServiceNow platform.

Qualifications
To be successful in this role, you have:

• A B.Sc. degree or M.Sc. in Computer Science, or a related technical field, with a specialisation in Security or AI/ML.
• 4 years of experience with security assessments, design reviews or threat modeling.
• 4 years of experience in security engineering, computer and network security and security protocols.
• 5 years of programming experience in Java or Python,
• A proactive and collaborative mindset, with a passion for continuous learning and a drive to solve complex challenges as part of a team.

Nice to Have:

• Hands-on experience with agentic AI frameworks (e.g., LangChain, LangGraph).
• Expertise in AI/ML security, including model and infrastructure vulnerabilities and their mitigation strategies.
• Deep understanding of Large Language Models (LLMs), Multimodal Language Models (MLLMs), and agentic workflows
• Experience developing or evaluating security controls for agentic AI systems, including identity and consent models for multi-party protocols (e.g., MCP, A2A).
• Proficiency in implementing secure communication protocols for agent-to-agent interactions, such as OAuth 2.0, API keys, and PKCE.

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, creed, religion, sex, sexual orientation, national origin or nationality, ancestry, age, disability, gender identity or expression, marital status, 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 [email protected] 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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