(Remote Work) Sr. Security Engineer, Threat Research – ExtraHop

Job Overview

  • Job Title Sr. Security Engineer, Threat Research
  • Hiring Organization ExtraHop
  • Company Website https://www.extrahop.com/
  • Remote Locations Worldwide
  • Job Type Remote, Full-Time

We are ExtraHop. We’re on a mission to provide security teams with the intelligence they need to confront and stop advanced threats like supply chain attacks, zero day exploits, and ransomware attacks. Cyber attackers still have the advantage. We’re taking it back with creativity, intellectual curiosity, and a sense of humor. Are you ready to help us reclaim the upper hand?

The ExtraHop platform is a novel approach to processing vast amounts of wire data in order to detect network threats, even if traffic is encrypted. We can identify exploitation attempts in real-time by dissecting protocols and packets as they traverse the wire and then using cloud scale to apply advanced detection logic and algorithms to notify when threats occur.

Do you like securing complex networks? Want to be a part of a collaborative team that builds solutions that protect some of the biggest networks in the world? ExtraHop is seeking a Senior Threat Researcher experienced with networking and malware analysis to grow our world-class Threat Research team. We collect massive amounts of network data and are looking for novel, effective ways to detect cyber attacks on the wire. We are looking for a self-starter that enjoys investigating cyber attacks and how adversaries are traversing the network for lateral movement. You must have a strong understanding of the attack lifecycle, but a deep desire to be a white hat and stop attackers before they can do damage.


Cyberattackers have the advantage. ExtraHop is on a mission to help you take it back with security that can’t be undermined, outsmarted, or compromised. Our dynamic cyber defense platform, Reveal(x) 360, helps organizations detect and respond to advanced threats––before they compromise business operations. We apply cloud-scale AI to petabytes of traffic per day, performing line-rate decryption and behavioral analysis across all infrastructure, workloads, and data-in-flight. With complete visibility from ExtraHop, enterprises can detect malicious behavior, hunt advanced threats, and forensically investigate any incident with confidence.

ExtraHop is recognized by leading organizations for both its innovation in the market and its commitment to building a world-class team. In 2020, we’ve already been named a “Best Place to Work” by Inc.ComputerworldBuiltIn Seattle and Seattle Business Magazine, and we’ve been named to Wealthfront’s Career-Launching Companies list for the last four years. Forbes named ExtraHop to its 2020 AI 50 List, as well as the list of “20 Best Cybersecurity Startups to Watch.” In 2019 and 2020, JMP Securities put ExtraHop on its Elite 80 List as one of the most strategically positioned private companies in the cybersecurity industry. SC Media has named ExtraHop an Industry Innovator for enterprise network detection and response for the past two years.

Equal Opportunity Employer

We are equally committed to equal employment opportunity, and it is foundational to how we recruit and hire our talented team. Employment is determined based upon capabilities and qualifications without discrimination on the basis of race, creed, color, religion, sex, gender identification and expression, marital status, military status or status as an honorably discharge/veteran, pregnancy (including potential pregnancy, pregnancy-related conditions, and childbearing), sexual orientation, age (40 and over), national origin, ancestry, citizenship or immigration status, physical, mental, or sensory disability , HIV/AIDS or hepatitis C status, genetic information, status as an actual or perceived victim of domestic violence, sexual assault, or stalking, or any other protected class as established by law.

Our people are our most important competitive advantage, leading the charge against nation-states, cyber criminals, and insider threats.

Job Responsibilities

ExtraHop is seeking a candidate with a strong grasp of fundamental principles of networking and security. You will be analyzing real-world attack data to determine optimal strategies to detect similar attacks in customer networks. Research latest network threats, including network vulnerabilities, ransomware, and other malware behaviors, such as C2 communications and Windows lateral movement.


  • Ability to reproduce exploits and adversary techniques in a lab environment
  • Detonate and analyze malware and its C2 communications with a sandbox
  • Ability to communicate research findings clearly in written format
  • Work with a collaborative, dedicated, and seasoned team of detection engineers
  • Mentor and teach less experienced researchers

Job Requirements

  • At least 3 years of experience with network security or malware reverse engineering
  • A deep understanding of network protocols
  • A deep understanding of how attack tools are used in networks
  • Familiar with Wireshark, TShark and other network analysis tools
  • Permission to work in the US

Desirable Experience:

  • Experience with scripting languages
  • Low-level understanding of ethernet, TCP/IP, and the OSI model
  • Experience with common Windows protocols
  • Experience with red teaming or penetration testing
  • Familiarity with MITRE’s ATT&CK Framework
  • Experience managing or writing rules for IDS/IPS/NGFW
  • Experience with various signature languages, such as YARA, JA3, Snort, ClamAV, etc. #LI-

Employee Benefits

  • Health, dental, and vision benefits
  • Generous Paid Time Off and Holidays + Paid Volunteer Time
  • FSA and Dependent Care Accounts + EAP where applicable
  • Educational Reimbursement
  • 401k with employer match or Pension where applicable
  • Pet Insurance (US only)
  • Generous Parental Leave

*Benefits outside of the US vary by region.

We are intentional about our culture, diversity, and inclusion, and we welcome everyone to come ready to participate in contributing to this truly unique environment. At ExtraHop, we believe that the best products, services, and companies are built by strong teams that include a diversity of backgrounds, perspectives, ideas, and experiences. We are committed to supporting and enabling growth and opportunity for every employee at every level. This is the foundation of our success.

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