Senior Software Engineer - Security & Threat Detection

BranchFactor; Seattle (WA); Hybrid; USD 150,000 - 163,000; Full time

Benefits offered by this job

Health, Dental, and Vision Benefits

Hybrid and Remote Work Model

401k with Employer Match

Flexible PTO

Parental Leave

Job summary

ExtraHop is seeking an experienced software engineer with strong networking and cybersecurity fundamentals to join our R&D team. You will build and improve systems that empower threat research and enable researchers to emulate adversary behavior.

You’ll collaborate with a seasoned team, participate in code reviews, and contribute to scalable pipelines and cloud-based labs. The role supports flexible onsite, hybrid, and remote work options for a global team.

Qualifications

• Bachelor’s degree in Computer Science, Computer Engineering, or a related technical field, or equivalent practical experience.
• 5+ years of experience in software engineering.
• Excellent engineering chops and strong Python skills.
• In-depth knowledge of networking fundamentals, OSI model, and Layer 2–7 protocols.
• Self-starter with a strong problem-solving track record and collaborative mindset.
• Excellent communication and documentation skills.

Responsibilities

• Support Threat Research and Detection Engineering teams by providing tools and automation to accelerate R&D.
• Develop and support internal systems, including deployment pipelines and ingestion pipelines for device fingerprinting.
• Contribute to Threat Intelligence acquisition and sharing
• Enable on-demand threat research labs using Infrastructure-as-Code and cloud technologies
• Participate in code reviews and help uplift peers on quality and best practices

Skills

Python

Networking fundamentals

Engineering chops

Education

Bachelor's degree in Computer Science or related field

Tools

tshark

tcpdump

tcprewrite

Scapy

Job description

ExtraHop is seeking an experienced software engineer with strong networking and cybersecurity fundamentals to join our R&D team. You will build and improve systems that empower threat research and enable researchers to emulate adversary behavior.

You’ll collaborate with a seasoned team, participate in code reviews, and contribute to scalable pipelines and cloud-based labs. The role supports flexible onsite, hybrid, and remote work options for a global team.