About Us: We are the leader in human-centric cybersecurity. Half a million customers, including 87 of the Fortune 100, rely on Proofpoint to protect their organizations. We’re driven by a mission to stay ahead of bad actors and safeguard the digital world. 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. **Corporate Overview** Proofpoint is a leading cybersecurity company protecting organizations’ greatest assets and biggest risks: vulnerabilities in people. With an integrated suite of cloud-based solutions, Proofpoint helps companies around the world stop targeted threats, safeguard their data, and make their users more resilient against cyber-attacks. Leading organizations of all sizes, including more than half of the Fortune 1000, rely on Proofpoint for people-centric security and compliance solutions mitigating their most critical risks across email, the cloud, social media, and the web. We are singularly devoted to helping our customers protect their greatest assets and biggest security risk: their people. That’s why we’re a leader in next-generation cybersecurity. Protection Starts with People. We are seeking a **Semi-Senior Data Engineer** with **3 to 5 years of hands-on experience** in designing, building, and optimizing data pipelines and infrastructure. This role is ideal for someone who wants to strengthen their foundation in large-scale data engineering while gaining exposure to **machine learning (ML) operations and model integration workflows** . You'll join a collaborative team that works closely with data scientists and ML engineers to ensure the efficient delivery, quality, and scalability of data for analytics and ML applications. **What You’ll Do** As a Semi-Senior Data Engineer, you will own the development and maintenance of ETL/ELT pipelines, orchestrate data workflows in production, and optimize systems that process large volumes of structured and unstructured data. You’ll help ensure our infrastructure meets the evolving needs of machine learning initiatives, with opportunities to engage directly with model lifecycle tasks such as **feature store support** , **model input/output data management** , and **monitoring ML-driven systems** . This role is perfect for engineers who enjoy building systems, thrive in fast-paced environments, and are excited about **playing a critical role at the intersection of data infrastructure and machine learning** . **Day-to-Day Responsibilities** + **Design, build, and maintain reliable ETL/ELT pipelines** across batch and stream processing environments + **Ensure high data quality and availability** for analytics and ML model consumption + **Collaborate with data scientists and ML engineers** to prepare data inputs and manage feature pipelines + **Implement and monitor data workflows** using orchestration tools like **Airflow, Step Functions, or similar** + **Write optimized SQL queries and transformations** using engines like **AWS Athena, Redshift, or Snowflake** + **Work with cloud-native infrastructure** , especially AWS (S3, Glue, Lambda, EMR, SageMaker) to support scalable systems + Begin contributing to **model deployment workflows** , learning about CI/CD for ML, model tracking, and data versioning **Desired Skills and Qualifications** + 3–5 years of experience in **data engineering, backend development, or distributed systems** + Strong proficiency in **SQL** and a programming language such as **Python, Scala, or Java** + Experience with **cloud platforms (AWS preferred)** and tools such as S3, Glue, Athena, Lambda, or EMR + Familiarity with **data pipeline orchestration tools** (e.g., Airflow, Dagster, Step Functions) + Understanding of **data modeling** , **partitioning** , and **performance optimization** for large-scale datasets + Interest in machine learning, with exposure to model workflows, data prep for ML, or MLOps tools being a strong plus + Bachelor's degree in **Computer Science, Engineering, or a related technical field** **Why Join Us** This role is a great fit for data engineers who want to evolve into **tech leads or ML infrastructure specialists** , and who value clean design, automation, and scalable thinking. You’ll have the opportunity to grow your knowledge in machine learning systems while being part of a **mission-driven company** that uses data and AI to **defend organizations against cyber threats** . You’ll work in a collaborative, supportive environment that encourages curiosity, experimentation, and continuous learning. **Why Proofpoint** As a customer focused and driven-to-win organization with leading edge products, there are many exciting reasons to join the Proofpoint team. We believe in hiring the best the brightest and cultivating a culture of collaboration and appreciation. As we continue to grow and expand globally, we understand that hiring the right people and developing great teams is key to our success! We are a multi-national company with locations in many countries, with each location contributing to Proofpoint’s amazing culture! #LI-AN1 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 • Learning & Development: We are committed to the growth and development of our team members, offering a range of programs including leadership and professional development workshops, stretch project assignments, and mentoring opportunities to help employees reach their full potential. • Flexible work environment: [Remote options, hybrid schedules, flexible hours, etc.]. • 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 here https://www.proofpoint.com/us/company/careers . We can’t wait to hear from you! Proofpoint has been honored with six Best Places to Work Awards in 2024 by workplace culture leader Comparably, including Best Company Career Growth, Best Company Outlook, Best Global Culture, Best Engineering Teams, Best Sales Teams, and Best HR Teams. We are the leader in human-centric cybersecurity. Half a million customers, including 87 of the Fortune 100, rely on Proofpoint to protect their organizations. We’re driven by a mission to stay ahead of bad actors and safeguard the digital world. Join us in our pursuit to defend data and protect people. Our BRAVE Values: At Proofpoint, we are BRAVE in everything we do, and our values aren’t just words—they shape how we work, collaborate, and grow. We seek people who are bold enough to challenge the status quo, responsive in the face of ever-evolving threats, and accountable for delivering real impact. We value those with a visionary mindset who anticipate what’s next and push cybersecurity forward, and we celebrate exceptional execution that ensures we continue to defend data and protect people. Proofpoint is an equal opportunity employer, we hire without consideration to race, religion, creed, color, national origin, age, gender, sexual orientation, marital status, veteran status or disability. Find your network, your allies, and your biggest fans. We know that work is simply better when you’re surrounded by people who inspire you—who share ideas, cheer you on, and genuinely want to see you succeed. That’s why we offer social circles, sponsored networks, and connection points across teams and time zones—to help you find your people, build your community, and thrive together. This isn’t just a job—it’s a mission to protect people and defend data in a world that never slows down. We’re building the future of human-centric cybersecurity, and that future belongs to all of us. We take ownership, move fast, and hold ourselves accountable—because that’s what it takes to stay ahead. And we do it together, winning as one. Be empowered to reach your full potential through meaningful challenges and personalized support—designed around you and your goals. Whether you're growing as a leader or leveling up from great to exceptional as an individual contributor, we’re here to help you get there. Proofpoint is an equal opportunity employer, we hire without consideration to race, religion, creed, color, national origin, age, gender, sexual orientation, marital status, veteran status or disability.