Sr. Security Research Engineer

2 weeks ago

Washington, United States Proofpoint Full time

Join to apply for the Sr. Security Research Engineer role at Proofpoint. Proofpoint is a leader in human‑centric cybersecurity, protecting half a million customers, including 87 of the Fortune 100. Their mission is to stay ahead of bad actors and safeguard the digital world. Role Summary As a Senior Security Research Engineer on the Threat Research team, you will track threat actors, malware, phishing, and TTPs to develop static and dynamic (behavioural) signatures that detect and prevent threats at scale. Your work directly impacts the effectiveness of Proofpoint products and the protection of customers. Your Day‑to‑Day Stay abreast of an evolving threat landscape, including credential phishing. Analyze malware, malicious documents, and URLs from internal and external sources. Conduct in‑depth analysis of email messages to detect and classify threats such as BEC, phishing, and other campaigns. Apply critical thinking to identify efficient mitigation techniques. Develop, test, and deploy static and/or behavioural signatures to mitigate identified threats. Identify, prioritize, and fill coverage gaps to minimize customer impact. Be on‑call rotation for customer escalations that cannot be resolved by support. Collaborate remotely using chat, video, and conference calls. Work with engineering teams to define requirements for continuous improvement of detection capabilities. What You Bring To The Team Passion for threat research and deep understanding of the security threat landscape. Demonstrable knowledge of malware and credential phishing, TTPs, and bypass techniques. Experience proactively identifying, responding to, and defending against malware and credential phishing in production. Familiarity with browser internals and the DOM. Broad understanding of document formats commonly abused (OLE, CDFv2, PDF, OpenOffice, RTF). Experience parsing and analyzing malicious documents. Proficiency in sandbox environments for analysis. Critical thinking to develop high‑quality detection signatures. Experience creating YARA and/or ClamAV signatures used in production. Regular expression expertise. Intermediate Python experience. Interest in sandbox engineering concepts and synthetic sample creation (plus). Ability to work independently and collaboratively in a distributed team. Self‑directed, hard‑working team player capable of remote work. Additional Information Travel: 10% Location: Work from home in the United States. Must be able to work during business hours local to your time zone. Benefits and Compensation Competitive compensation. Comprehensive benefits. Learning & Development programs. Flexible work environment. Annual wellness and community outreach days. Recognition for contributions. Global collaboration and networking opportunities. Base Pay Ranges SF Bay Area, New York City Metro Area: $161,625 – $237,050 USD. California (excluding SF Bay Area), Colorado, Connecticut, Illinois, Washington DC Metro, Maryland, Massachusetts, New Jersey, Texas, Washington, Virginia, and Alaska: $132,225 – $193,930 USD. All other cities and states: $120,525 – $176,770 USD. How to Apply Submit your application at https://www.proofpoint.com/us/company/careers. Contact accessibility@proofpoint.com if you need accommodation during the application or interview process. #J-18808-Ljbffr

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