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Senior

Senior Software Engineer | Security

Confirmed live in the last 24 hours

ExtraHop

ExtraHop

Remote
Hybrid
Posted April 3, 2026

Job Description

At ExtraHop, we’re on a mission to protect and empower the connected enterprise. We reveal what is happening in the very infrastructure that sustains businesses, lives, and communities, and ensure the integrity of networks, data, systems, and processes. Organizations rely on ExtraHop to provide visibility into the cyber threats, vulnerabilities, and network performance issues that evade their existing security and IT tools. With this insight, organizations can investigate smarter, stop threats faster, and keep operations running.

Our mission is fueled by a profound social and moral responsibility to be the best at what we do, ensuring a secure world where everyone can thrive. If this sounds like a place you’d like to spend the next chapter of your career, we’d love to hear from you. 

Position Summary

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

 

We are seeking a highly skilled and motivated Senior Software Engineer | Security with a strong software and detection engineering background to join our Detection Engineering (DE) team and help expand ExtraHop’s industry leading detection coverage.

 

An ideal candidate will have strong software engineering, networking, and cybersecurity fundamentals. This position works closely with security researchers and data scientists to develop cutting edge network threat detections that leverage rule-based network observations as well as ML-powered anomaly detections. 

 

As a Senior Software Engineer | Security, you will be working as part of a team dedicated to delivering industry leading detection capabilities. You will be expected to work with a high level of autonomy, to mentor other team members, and to demonstrate a high level of ownership of your areas of responsibility. 

 

ExtraHop offers an exciting, high-energy, and versatile environment in which people are encouraged and supported to collaborate on industry-leading technology and create a world-class engineering team while they develop and enrich their individual growth. And we're doing it with creativity, intellectual curiosity, and deep critical thinking.

 

ExtraHop R&D supports fully-flexible work options that include full-time onsite, hybrid, and fully remote working arrangements. Except for a few roles that require physical access, we believe in supporting you in making the choice that works best for you and makes the team successful.

Key Responsibilities

  • Detection Engineering:
    • Develop network threat detectors by leveraging rule-based and ML-based detection strategies
    • Reproduce attacks in a lab environment using live tools and recorded PCAP traffic, and perform threat hunts on aggregated log data, in order to identify malicious behaviors and develop techniques to detect them
    • Collaborate with Threat Research and Data Science teams to gain insight on attacker techniques and take advantage of the latest machine learning models to detect attacker behavior
    • Work with infrastructure teams to help develop and improve tools that Detection Engineering and Threat Research teams use in developing and testing detections.
  • Mentorship:
    • Mentor and coach other Security Engineers regarding detector development and network threats 
    • Actively participate in code review to ensure quality and uplevel other engineers

Required Qualifications

  • Excellent engineering chops
  • 7+ years of experience in software engineering
  • Solid knowledge of Javascript and Python
  • In-depth knowledge of networking fundamentals, including the OSI model and excellent working knowledge of the key protocols from Layer 2 through Layer 7
  • Experience developing solutions using cloud-native technologies
  • Self-starter with a strong problem-solving track record and ability to grow and learn
  • &
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