Job Details
Revolutionizing protection.
Define what’s next in cybersecurity.
Sr Staff Machine Learning Engineer
Our Mission
At Palo Alto Networks®, we’re united by a shared mission—to protect our digital way of life. We thrive at the intersection of innovation and impact, solving real-world problems with cutting-edge technology and bold thinking. Here, everyone has a voice, and every idea counts. If you’re ready to do the most meaningful work of your career alongside people who are just as passionate as you are, you’re in the right place.
Who We Are
In order to be the cybersecurity partner of choice, we must trailblaze the path and shape the future of our industry. This is something our employees work at each day and is defined by our values: Disruption, Collaboration, Execution, Integrity, and Inclusion. We weave AI into the fabric of everything we do and use it to augment the impact every individual can have. If you are passionate about solving real-world problems and ideating beside the best and the brightest, we invite you to join us!
We believe collaboration thrives in person. That’s why most of our teams work from the office full time, with flexibility when it’s needed. This model supports real-time problem-solving, stronger relationships, and the kind of precision that drives great outcomes.Job Summary
Job Summary
We are seeking a Machine Learning Engineer to join our pioneering security team. This role is for a technical expert passionate about deconstructing complex threats and building the next generation of intelligent defense systems. You will be responsible for leading our efforts in leveraging machine learning and AI to detect and analyze emerging threats. You will also spearhead the design and implementation of innovative security solutions using generative AI, large language models (LLMs), and agentic systems to automate and scale our detection and response capabilities, keeping us ahead of sophisticated adversaries.
Key Responsibilities
AI-Driven Detection & Automation: Lead end-to-end machine learning projects for threat detection. Design, build, and deploy innovative security solutions leveraging Generative AI and agentic systems. Develop intelligent agents and workflows to automate threat hunting, accelerate malware analysis, and streamline threat intelligence processes.
Research & Publication: Disseminate cutting-edge research findings and contribute to the security community by publishing results in technical blogs, industry white papers, and academic papers, particularly on topics related to malware analysis and AI in security.
Collaboration & Communication: Work closely with cross-functional teams, including security researchers, engineers and product teams, to integrate your findings in reversing to product PoC and threat research.
Qualifications
Required Qualifications
Bachelor’s, Master’s, or Ph.D. in Computer Science, Machine Learning, Data Science, or a related field.
6+ years of industry experience building, training, and deploying machine learning models into production environments.
Proven track record of taking ML projects from initial research/prototyping through to successful production rollout, particularly in the Cybersecurity domain.
Solid foundational knowledge of machine learning algorithms and deep learning architectures (e.g., Sequence models, GNNs, Transformers).
Strong proficiency in Python for ML development, with experience writing clean, scalable, and testable production code.
Familiarity with or willingness to work in Systems-level languages (e.g., C++, Go, or Rust) for performance-critical components.
Deep hands-on experience with PyTorch, TensorFlow, or other ML Frameworks.
Experience with MLOps Infrastructure, such as containerization (Docker, Kubernetes) and ML lifecycle tools (MLflow, Kubeflow, Airflow, or similar).
Ability to autonomously debug complex issues in both ML model performance and distributed software systems.
Clear and effective communication skills, with the ability to explain technical ML concepts to cross-functional partners.
Preferred Qualifications
Experience with model evaluation, tuning, and handling imbalanced datasets (a common challenge in malware detection).
Bonus: Applied experience fine-tuning Large Language Models (LLMs) or building agentic AI workflows.
Compensation Disclosure
The compensation offered for this position will depend on qualifications, experience, and work location. For candidates who receive an offer at the posted level, the starting base salary (for non-sales roles) or base salary + commission target (for sales/com-missioned roles) is expected to be the annual range listed below. The offered compensation may also include restricted stock units and a bonus. A description of our employee benefits may be found here.
$157,200.00 - $254,100.00/yrOur Commitment
We’re trailblazers that dream big, take risks, and challenge cybersecurity’s status quo. It’s simple: we can’t accomplish our mission without diverse teams innovating, together.
We are committed to providing reasonable accommodations for all qualified individuals with a disability. If you require assistance or accommodation due to a disability or special need, please contact us at accommodations@paloaltonetworks.com.
Palo Alto Networks is an equal opportunity employer. We celebrate diversity in our workplace, and all qualified applicants will receive consideration for employment without regard to age, ancestry, color, family or medical care leave, gender identity or expression, genetic information, marital status, medical condition, national origin, physical or mental disability, political affiliation, protected veteran status, race, religion, sex (including pregnancy), sexual orientation, or other legally protected characteristics.
All your information will be kept confidential according to EEO guidelines.
Is role eligible for Immigration Sponsorship?: YesMORE PALO ALTO NETWORKS
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A corporate SaaS story.
How Palo Alto Networks secured critical SaaS apps using SaaS Security Posture Management.
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Our Culture
Leading the way in a global community, from vision to action.
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Early Careers
Our early-in-career programs will train you to be a part of the next generation of cybersecurity talent.
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