Proofpoint, Inc. logo

Sustaining Engineer

Job Overview

Location

Indiana, USA

Job Type

Full-time

Category

Software Engineering

Date Posted

March 3, 2026

Full Job Description

📋 Description

  • • As a Sustaining Engineer at Proofpoint, you will play a critical role in ensuring the ongoing quality, reliability, and performance of our cutting-edge cloud security software. This position is integral to our mission of protecting people, data, and AI agents across email, cloud, and collaboration tools, safeguarding over 80 of the Fortune 100 and millions of organizations worldwide.
  • • You will be a key member of a dynamic and rapidly growing core team focused on developing cloud software for discovering, organizing, analyzing, and securing various cloud infrastructures. This is an exciting opportunity to contribute to impactful features and grow your career within a leading cybersecurity firm.
  • • Your primary responsibility will be to address and resolve customer-reported issues from the field. This involves meticulous triaging of incoming problems, deep-diving into the root causes, and implementing necessary code changes to ensure swift and effective resolution.
  • • You will act as a crucial bridge between our current product offerings and future development, providing valuable feedback to new product development teams. Your insights will directly contribute to enhancing the quality, reliability, and overall user experience of upcoming products.
  • • This role offers a unique blend of software development, quality assurance, and technical support. You will leverage your technical expertise to not only fix immediate issues but also to proactively identify areas for improvement and contribute to the long-term success of our products.
  • • You will be instrumental in maintaining and improving the quality, reliability, and delivery of current product features, ensuring our customers continue to receive best-in-class security solutions.
  • • The role demands a proactive approach to debugging production issues, requiring you to quickly diagnose and resolve complex problems in a live environment.
  • • You will utilize your expertise in public cloud compute and networking, with hands-on experience in platforms like AWS, GCP, or Azure, to understand and troubleshoot infrastructure-related challenges.
  • • Developing and maintaining automation scripts using Python or JavaScript for REST API-driven tasks will be a significant part of your day-to-day activities, streamlining operations and enhancing efficiency.
  • • You will collaborate closely with cross-functional teams, including development, QA, and customer support, to ensure a cohesive and effective approach to product maintenance and improvement.
  • • Contributing to the continuous integration and continuous deployment (CI/CD) pipelines, including the setup and management of automated build, test, and deployment workflows using tools like GitHub, will be essential for efficient product delivery.
  • • You will be expected to analyze new threats and offer deep insights through data-driven intelligence, contributing to Proofpoint's reputation as a leader in next-generation cybersecurity.
  • • The role requires a strong commitment to staying current with new technologies and evolving industry trends in the fast-paced cybersecurity landscape.
  • • You will help build and enhance Proofpoint's proven security platform, blending innovation and speed in a constantly evolving cloud environment.
  • • By collaborating with customers, you will help solve their toughest security challenges, reinforcing Proofpoint's dedication to protecting people as the core of its cybersecurity solutions.
  • • This position offers the chance to work on products that are critical to the security posture of major global organizations, providing a high level of impact and professional satisfaction.
  • • You will be part of a culture that values boldness, responsiveness, accountability, vision, and exceptional execution, fostering an environment where innovation thrives.
  • • The opportunity to learn and grow within a small, rapidly expanding team that is delivering many impactful features provides a unique career development path.
  • • You will contribute to a company that is a recognized leader in cybersecurity, trusted by a significant portion of the Fortune 100, and dedicated to its mission of defending data and protecting people.
  • • Your work will directly support Proofpoint's goal of empowering people to work securely and confidently in the digital world.
  • • You will be part of a global team, fostering collaboration and networking opportunities across different regions and functions.
  • • The role encourages adaptability and a keen interest in new technologies, ensuring continuous learning and professional development.
  • • You will contribute to building monitoring dashboards to enhance visibility into product performance and health, aiding in proactive issue detection and resolution.
  • • This position is ideal for an engineer who enjoys the challenge of maintaining and improving live systems while also contributing to the evolution of future products.

Skills & Technologies

Python
JavaScript
Node.js
AWS
Azure
Remote

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Proofpoint, Inc.
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About Proofpoint, Inc.

Proofpoint, Inc. provides cloud-based cybersecurity and compliance solutions that protect organizations against advanced threats, data loss, and digital risk. Its platform combines email security, threat intelligence, information protection, and user awareness training to defend corporate communications, cloud applications, and sensitive data across endpoints and collaboration tools. The company serves enterprises, government agencies, and educational institutions worldwide through a software-as-a-service model, leveraging machine learning analytics, sandboxing, and real-time threat detection to prevent phishing, malware, and insider threats while ensuring regulatory compliance and data governance.

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