Applied AI Engineer at Zscaler

About Zscaler

Zscaler is a pioneer and global leader in zero trust security. The world’s largest businesses, critical infrastructure organizations, and government agencies rely on Zscaler to secure users, branches, applications, data & devices, and to accelerate digital transformation initiatives. Distributed across more than 160 data centers globally, the Zscaler Zero Trust Exchange platform combined with advanced AI combats billions of cyber threats and policy violations every day and unlocks productivity gains for modern enterprises by reducing costs and complexity.

Here, impact in your role matters more than title and trust is built on results. We believe in transparency and value constructive, honest debate—we’re focused on getting to the best ideas, faster. We build high-performing teams that can make an impact quickly and with high quality. To do this, we are building a culture of execution centered on customer obsession, collaboration, ownership and accountability.

We champion an “AI Forward, People First” philosophy to help us accelerate and innovate, empowering our people to embrace their potential. If you’re driven by purpose, thrive on solving complex challenges and want to make a positive difference on a global scale, we invite you to bring your talents to Zscaler to help shape the future of cybersecurity.

Our Engineering team built the world’s largest cloud security platform from the ground up, and we keep building. With more than 100 patents and big plans for enhancing services and increasing our global footprint, the team has made us and our multitenant architecture today's cloud security leader, with more than 15 million users in 185 countries. Bring your vision and passion to our team of cloud architects, software engineers, security experts, and more who are enabling organizations worldwide to harness speed and agility with a cloud-first strategy.

We’re looking for an experienced Applied AI Engineer to join our IT AI/ML Engineering team. Reporting to the Manager of Applied AI Solutions Engineering, you will be responsible for:

Leading Zscaler’s AI transformation by developing end-to-end AI/ML solutions to enhance productivity and optimize decision-making across the organization

Designing and implementing an AI lifecycle management strategy with automated observability, CI/CD best practices, and robust regression testing frameworks

Collaborating with cross-functional stakeholders, product teams, and engineers to identify AI opportunities and distill them into technical requirements

Conducting architecture/code reviews, and partnering on AI governance policies to ensure ethical and efficient AI use across the organization

Building scalable, cloud-based AI/ML pipelines leveraging state-of-the-art technologies

What We’re Looking for (Minimum Qualifications):

2+ years of professional experience in software engineering with a focus on AI/ML-related projects

Strong proficiency in Python and SQL with experience in designing and deploying production-grade AI/ML solutions

Experience working with cloud platforms such as AWS, GCP, or Azure and familiarity with MLOps/AI DevOps tools like MLflow or Kubeflow

Hands-on expertise with CI/CD pipelines, model observability, and scalable architectures

What Will Make You Stand Out (Preferred Qualifications):

Prior experience in deploying scalable and secure AI solutions for real-world applications.

Proficient in fine-tuning LLM models, RAG frameworks (e.g., Langchain/Langgraph), and advanced topics like GraphRAG and Model Context Protocol.

Strong understanding of AI lifecycle management, governance frameworks, and designing processes for monitoring, retraining, and continuous improvement.

At Zscaler, we are committed to building a team that reflects the communities we serve and the customers we work with. We foster an inclusive environment that values all backgrounds and perspectives, emphasizing collaboration and belonging. Join us in our mission to make doing business seamless and secure.

Our Benefits program is one of the most important ways we support our employees. Zscaler proudly offers comprehensive and inclusive benefits to meet the diverse needs of our employees and their families throughout their life stages, including:

Various health plans

Time off plans for vacation and sick time

Parental leave options

Retirement options

Education reimbursement

In-office perks, and more!

Learn more about Zscaler’s Future of Work strategy, hybrid working model, and benefits here.

By applying for this role, you adhere to applicable laws, regulations, and Zscaler policies, including those related to security and privacy standards and guidelines.

Zscaler is committed to providing equal employment opportunities to all individuals. We strive to create a workplace where employees are treated with respect and have the chance to succeed. All qualified applicants will be considered for employment without regard to race, color, religion, sex (including pregnancy or related medical conditions), age, national origin, sexual orientation, gender identity or expression, genetic information, disability status, protected veteran status, or any other characteristic protected by federal, state, or local laws. See more information by clicking on the Know Your Rights: Workplace Discrimination is Illegal link.

Pay Transparency

Zscaler complies with all applicable federal, state, and local pay transparency rules.

Zscaler is committed to providing reasonable support (called accommodations or adjustments) in our recruiting processes for candidates who are differently abled, have long term conditions, mental health conditions or sincerely held religious beliefs, or who are neurodivergent or require pregnancy-related support.

Applied AI Engineer

Job Description