Security research engineer

Proofpoint
Cincinnati, OH

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. Proofpoint.

Company Overview

At Proofpoint, people are at the heart of our award-winning lineup of cybersecurity solutions, and the people who work here are the key to our success, and to that of our customers. We’re customer-focused, collaborative and committed to excellence. Through a culture of diversity, honesty and initiative, we deliver meaningful innovation that helps manage today’s biggest threats. With opportunities in all functions, we offer many exciting reasons to join our team.

The Role

This highly technical role has a direct and real-time impact protecting Proofpoint customers. As a Senior Security Research Engineer on Proofpoint’s Threat Research team, you’ll be part of an amazing, collaborative, industry-leading team focused on tracking threat actors, malware, phishing, and TTPs in order to develop static and dynamic (behavioural) signatures that detect and prevent threats on a massive scale. If you enjoy keeping abreast of and analysing attacker techniques, malware and phishing campaigns, and using that knowledge to counteract those threats on a broad scale, then this is the role for you. This role has an absolute and direct impact on the efficacy of Proofpoint products, the quality of Proofpoint’s intelligence, and the protection of Proofpoint customers.

Your day-to-day

  • Stay abreast of a constantly evolving threat landscape including the credential phishing landscape
  • Analyse malware, malicious documents, and malicious URLs provided by internal and external sources
  • Conduct in-depth analysis of email messages to detect and classify threats such as business email compromise (BEC), phishing, and other malicious campaigns.
  • Apply critical thinking skills to identify the most efficient and effective way to mitigate the analysed threat
  • Develop, test, and deploy appropriate static and/or behavioural signatures to mitigate the analysed threat
  • Identify, prioritize, and fill coverage gaps for relevant threats to minimize customer impact
  • Be on the rotation for on-call to respond customer FN/FP escalations that cannot be addressed by customer support
  • Work effectively as part of a remote team using chat, video chat and conference calls
  • Work with engineering teams, defining requirements, for continuous improvement of critical detection capabilities


What You Bring To The Team

  • A passion for threat research and a well-rounded yet deep understanding of the security threat landscape
  • Demonstrable understanding of the malware and credential phishing landscape, TTPs, and experience overcoming bypass techniques
  • Experience proactively identifying, responding to, and defending against malware and credential phishing threats in production environments
  • Familiarity with browser internals and the Document Object Model
  • Broad and demonstrable understanding of document formats commonly used for malicious purposes (e.g. OLE, CDFv2, PDF, OpenOffice, RTF)
  • Experience parsing and analysing malicious documents
  • Experience leveraging sandbox environments as an analysis tool
  • Critical thinking Able to develop high quality detection signatures based on analysis of malicious behaviour
  • Experience creating YARA and/or ClamAV signatures used in production environments
  • Regular expression wizardry
  • Intermediate-level Python experience
  • Interest in learning sandbox engineering concepts and contributing ideas to extend capabilities a plus
  • Interest in creating synthetic malicious samples to test capabilities a plus
  • Willing and able to work independently and collaboratively as part of a distributed team of industry-leading security researchers
  • A hard-working, self-directed team player fully capable of working remotely Additional Information
  • Travel 10%
  • Location Work from home in United States
  • Must be able to work during business hours local to your time-zone


Why Proofpoint

Protecting people is at the heart of our award-winning lineup of cybersecurity solutions, and the people who work here are the key to our success. We’re a customer-focused and a driven-to-win organization with leading-edge products. We are an inclusive, diverse, multinational company that believes in culture fit, but more importantly ‘culture-add’, and we strongly encourage people from all walks of life to apply.

We believe in hiring the best and the brightest to help cultivate our culture of collaboration and appreciation. Apply today and explore your future at Proofpoint!

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 [email protected]. How to Apply Interested? Submit your application here // We can’t wait to hear from you!

Consistent with Proofpoint values and applicable law, we provide the following information to promote pay transparency and equity. Our compensation reflects the cost of labor across several U.S. geographic markets, and we pay differently based on those defined markets as set out below. Pay within these ranges varies and depends on job-related knowledge, skills, and experience. The actual offer will be based on the individual candidate. The range provided may represent a candidate range and may not reflect the full range for an individual tenured employee. This role may be eligible for variable compensation and/or equity. We offer a competitive benefits package, including flexible time off, a comprehensive well-being program with two paid Wellbeing Days and two paid Volunteer Days per year, plus a three-week Work from Anywhere option.

Base Pay Ranges

SF Bay Area, New York City Metro Area

Base Pay Range 161,625.00 - 237,050.00 USD

California (excludes SF Bay Area), Colorado, Connecticut, Illinois, Washington DC Metro, Maryland, Massachusetts, New Jersey, Texas, Washington, Virginia, and Alaska

Base Pay Range 132,225.00 - 193,930.00 USD

All other cities and states excluding those listed above

Base Pay Range 120,525.00 - 176,770.00 USD
Posted 2025-10-27

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