Proofpoint Jobs
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About Us:
Proofpoint is a global leader in human- and agent-centric cybersecurity. We protect how people, data, and AI agents connect across email, cloud, and collaboration tools. Over 80 of the Fortune 100, 10,000 large enterprises, and millions of smaller organizations trust Proofpoint to stop threats, prevent data loss, and build resilience across their people and AI workflows. Our mission is simple: safeguard the digital world and empower people to work securely and confidently. Join us in our pursuit to defend data and protect people.
How We Work:
At Proofpoint you’ll be part of a global team that breaks barriers to redefine cybersecurity guided by our BRAVE core values:
Bold in how we dream and innovate
Responsive to feedback, challenges and opportunities
Accountable for results and best in class outcomes
Visionary in future focused problem-solving
Exceptional in execution and impact
We're looking for an AI Engineer who is passionate about both building AI-powered applications and ensuring they work reliably in production. This role combines AI engineering with quality engineering, focusing on developing LLM-based solutions while creating automated testing and evaluation frameworks to measure quality, accuracy, safety, and performance. You will work closely with engineering, product, and business teams to deliver AI solutions that are not only innovative, but also measurable, stable, and production-ready.
Responsibilities:
- AI Engineering: Build and maintain AI-powered applications using LLMs, RAG pipelines, and agent-based workflows.
- Develop integrations with foundation models and AI services using Python and modern AI frameworks.
- Design prompt workflows, structured outputs, tool calling, and retrieval-based systems.
- Build APIs, backend services, and internal tools using FastAPI or similar frameworks.
- Collaborate with stakeholders to translate business requirements into AI solutions.
- AI Quality & Automation Design and execute automated test suites for AI applications and agentic workflows.
- Create and maintain evaluation datasets, benchmark scenarios, and regression test cases.
- Build pipelines to measure response quality, hallucinations, accuracy, latency, and cost.
- Implement LLM-as-a-judge evaluations and automated scoring frameworks using tools such as DeepEval, RAGAS, or PromptFoo.
- Develop AI-powered test generation for functional, edge-case, and negative testing scenarios.
- Perform adversarial testing including prompt injection, jailbreak attempts, and safety validation.
- Monitor production AI systems through logging, tracing, and quality dashboards.
- Work with engineering teams to establish quality gates before AI features are released.
Required Qualifications:
- 2- 4 years of software engineering, QA automation, AI engineering, or related experience.
- Strong Python and Golang programming skills and understanding of software engineering fundamentals.
- Familiarity with LLM applications, prompt engineering, RAG, or agent-based AI systems.
- Experience in test automation using frameworks such as PyTest or equivalent tools.
- Understanding of API testing, backend services, and REST architectures.
- Knowledge of AI evaluation concepts such as hallucination detection, response quality measurement, benchmark testing, and regression testing.
- Experience with SQL and basic cloud platforms (AWS, Azure, or GCP).
- Strong analytical and problem-solving skills.
Why Proofpoint?
At Proofpoint, we believe that an exceptional career experience includes a comprehensive compensation and benefits package. Here are just a few reasons you’ll love working with us:
Competitive compensation
Comprehensive benefits
Career success on your terms
Flexible work environment
Annual wellness and community outreach days
Always on recognition for your contributions
Global collaboration and networking opportunities
Our Culture:
Our culture is rooted in values that inspire belonging, empower purpose and drive success-every day, for everyone.
We encourage applications from individuals of all backgrounds, experiences, and perspectives. If you need accommodation during the application or interview process, please reach out to accessibility@proofpoint.com.
How to Apply
Interested? Submit your application along with any supporting information- we can’t wait to hear from you!
2002
$1.1B
3537
Proofpoint, Inc. is an American enterprise cybersecurity company founded in 2002 and headquartered in Sunnyvale, California. With over 5,000 employees, it serves more than 2 million customers worldwide, including a significant portion of the Fortune 1000. The company specializes in protecting organizations from advanced cyber threats and compliance risks through its software-as-a-service (SaaS) solutions. Key offerings include email security, which utilizes proprietary machine learning algorithms to detect and block malicious content, phishing, and spam. Proofpoint also provides identity threat defense, data loss prevention, electronic discovery and email archiving, as well as social media and mobile security. These products are designed to safeguard people, data, and brands from cyberattacks and compliance violations, reflecting the company's commitment to securing digital communication channels. Proofpoint has achieved significant milestones, including going public in 2012 and reaching over $1 billion in revenue by 2020. The company maintains a high customer satisfaction rate and operates globally, with offices in various countries.
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