Security Software Engineer

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

Job Description The Proofpoint Threat Research team—including Emerging Threats—investigates and creates protective measures against advanced malware and intrusion techniques used by cybercriminal and nation-state actors. To do this effectively, researchers rely on innovative tooling, scalable infrastructure, and hygienic analysis environments. This role focuses on building and maintaining those systems.

Your day-to-day tasks

• Evaluate and support changes to our Threat Analysis environment
• Analyze needs and create and support internal tools where appropriate
• Support a team researching new and past threats, including malware, exploit kits, and vulnerabilities

Specific techncial areas of need

• Experience with network traffic inspection tools, such as Wireshark, tcpdump, Moloch, etc.
• Familiarity with virtualization technologies, such as VMware products, VirtualBox, KVM, etc.
• Experience with one or more scripting languages. Lua and Python proficiency preferred.
• Experience with regular expressions/PCRE.
• Creat...