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ExtraHop Networks

Software Engineer III | Framework

ExtraHop Networks

Seattle, WA · Remote · Senior

$150,000 – $163,000

Listed on ExtraHop Networks’s own careers site. You apply with them directly — we never stand between you and the employer.

What this role is

This role involves designing and optimizing core network detection systems written in C and C++, working on performance-critical infrastructure that handles complex protocols at scale. It's suited for an experienced engineer comfortable with low-level systems work who wants to shape architectural decisions and mentor others on a security-focused platform team.

Our summary, not ExtraHop Networks’s wording. The full posting is on their site.

Skills this role names

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What they ask for

Required

  • Bachelor's degree in STEM, Computer Science, Engineering, or related field
  • 4+ years of professional software engineering experience designing and operating production systems at scale
  • Strong expertise in C and C++
  • Experience developing on Linux systems (multithreading, memory management, IPC)
  • Ability to build and maintain performance-critical systems
  • Ability to debug complex issues using tools like gdb and coredumps
  • Strong understanding of networking fundamentals
  • Strong command of data structures, algorithms, and software design principles
  • Self-starter who operates independently with minimal oversight
  • Excellent communication and collaboration skills

Nice to have

  • Experience with network protocols (HTTP, SMB, Kerberos, TLS, Microsoft protocols)
  • Exposure to cloud platforms (AWS preferred) or distributed systems
  • Experience with observability, on-call practices, and production systems
  • Scripting experience in Python or similar languages

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