Systems Security Engineer I

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.

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

The Security Solutions Engineer (SSE) is a seasoned information security professional responsible for strengthening the security posture of customer IT environments. In this customer-facing role, you will serve as a trusted technical advisor, ensuring the health, performance, and optimization of critical security solutions while helping customers maximize the value of their investments.

As a technical subject matter expert, you will manage the implementation, configuration, maintenance, and continuous improvement of technologies such as Data Loss Prevention (DLP) and Cloud Access Security Broker (CASB). You'll collaborate closely with customers and cross-functional teams to troubleshoot complex issues, optimize security policies, and deliver innovative solutions that protect critical business assets.

This role requires a combination of deep technical expertise, strong communication skills, and a passion for solving complex security challenges in dynamic enterprise environments.

• Serve as the technical Subject Matter Expert (SME) for DLP and CASB technologies, providing guidance to customers and internal teams.
• Lead troubleshooting efforts for customer environments, including upgrades, patching, maintenance, and break/fix scenarios.
• Design, configure, and optimize DLP and CASB policies and detection logic to improve customer security posture.
• Collaborate with Program Analysts and fellow Security Solutions Engineers to develop and tune customer security solutions.
• Ensure systems are optimally configured and scalable to support future customer growth.
• Escalate complex technical issues through established internal and vendor support channels.
• Document activities and manage projects using internal CRM and case management systems.
• Review and validate change requests to ensure accuracy and successful implementation.
• Support team objectives by helping achieve customer Service Level Objectives (SLOs).
• Stay current on emerging cybersecurity threats, industry trends, and best practices.
• Mentor junior engineers and analysts by sharing technical knowledge and best practices.
• Participate in an on-call rotation, providing after-hours and weekend support as required.
• Maintain flexibility to support customer needs and business priorities.
• Perform other duties as assigned.

• Bachelor's degree in Computer Science, Information Technology, Cybersecurity, or a related field, or equivalent professional experience.
• Proven experience in Information Security, Network Security, or a related technical discipline.
• Minimum of 2 years of hands-on experience with Data Loss Prevention (DLP) technologies, including platforms such as Proofpoint, Symantec, McAfee/Trellix, or Forcepoint, and/or Cloud Access Security Broker (CASB) solutions including Proofpoint, CloudSOC/Elastica, Skyhigh, or Netskope.
• Strong understanding of
  • Enterprise networking concepts
  • Technical support and systems administration
  • Windows Server administration
  • Unix/Linux administration
• Excellent troubleshooting and analytical problem-solving skills.
• Ability to communicate complex technical concepts effectively to both technical and non-technical audiences.
• Strong organizational and time-management skills with the ability to manage multiple priorities.
• Self-motivated…