Sr. Software Engineer, Framework at ExtraHop in Seattle, WA

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 As a Senior Software Engineer on the Framework team, you will take ownership of complex development challenges, lead technical design within your area, and play a meaningful role in shaping how we build and scale the systems that power ExtraHop's core products. You will work closely with cross-functional partners in Engineering, Product, and Security to deliver customer-facing features that enable detection, visibility, and automation at scale. This role is ideal for an engineer who brings technical depth, exercises sound judgment independently, and is motivated to grow their impact through excellent engineering and active collaboration. Our team builds high-performance network detection and monitoring systems that operate at  scale across increasingly complex protocols and data volumes.Our services and features are written primarily in C and C++  with a focus on security, scalability, stability, and reliability. Our team is focussed on enhancing, maintaining and optimizing core components of the system and  functional areas related to protocol parsing, metrics publishing, continuous packet capture and Time Series DB. This role focuses on designing and optimizing these core systems with an emphasis on performance, reliability and deep protocol awareness. You will work on next generation initiatives including scaling and performance improvement efforts, evolution of our data storage architecture (custom to open-source based) and early steps towards a cloud enabled model. Key Responsibilities Design, develop, and maintain high-performance services for ExtraHop's core Framework systems, taking ownership of moderately complex to complex features with limited guidance. Work across networking layers to implement and enhance protocol support Participate actively in technical design discussions, contribute to architecture decisions within your team, and author clear technical documentation for your work. Engage fully in agile development processes, including sprint planning, code reviews, and retrospectives; hold a high bar for code quality and test coverage. Collaborate with Product and cross-functional engineering partners such as platform , infrastructure and cloud teams  to translate business requirements into well-scoped, scalable engineering solutions. Investigate, diagnose, and resolve production and performance issues independently; conduct root-cause analysis and implement preventive measures. Contribute to platform modernization efforts and help evaluate and adopt new technologies or frameworks in partnership with senior and principal engineers. Participate in on-call rotations and improve system observability, reliability and operational readiness. Mentor junior engineers through code pairing, reviews, and knowledge-sharing; actively contribute to a strong team learning culture. Required Qualifications Bachelor's degree in Computer Science, Engineering, STEM, or a related field requiring systematic and analytical thinking. 5+ years of professional experience designing and delivering production software. Strong expertise in C and C++ and other languages such as Go and Python. Experience developing on Linux Systems (multi threading, memory management, IPC etc) Proven ability to build and maintain performance critical systems. Proven ability to debug complex issues (eg. using gdb, coredumps, performance tools) Strong understanding of networking fundamentals (TCP/IP, packet processing etc) Strong command of data structures, algorithms, and software design principles, with the ability to decompose complex problems into clear, actionable engineering tasks. Self-starter who can operate independently, manage competing priorities, and drive work to completion with minimal oversight. Excellent collaborator and communicator with a growth mindset and customer-first orientation. Nice-to-Have Qualifications Experience with network protocols (eg. HTTP, SMB, Kerberos, TLS, Microsoft protocols or similar) Exposure to cloud platforms (AWS preferred)  or distributed systems Experience with observability, on-call practices and production systems Scripting experience (Python or similar) The salary range for this role is $160,000 - $175,000 + bonus + benefits ABOUT EXTRAHOP ExtraHop is reinventing Network Detection and Response (NDR) to offer enterprises unparalleled visibility, context, and control against emerging threats. The platform integrates NDR with Network Performance Management (NPM), Intrusion Detection Systems (IDS), and forensics, providing a single, comprehensive solution. By decrypting and analyzing complete packet-level data at wire speed and leveraging cloud-scale machine learning, ExtraHop empowers Security Operations Centers (SOCs) to detect, investigate, and remediate modern cyber risks in real time across their entire hybrid infrastructure, including data center, cloud, and SASE environments. This comprehensive approach and market innovation have earned ExtraHop unique recognition as the only NDR vendor acknowledged as a leader by all major analyst firms, including the 2025 Gartner® Magic Quadrant for Network Detection and Response™, the 2025 Forrester® Wave for Network Analysis and Visibility, the 2024 IDC® Marketscape for NDR, and the 2025 Gigamon® Radar Report for Network Detection and Response. Since 2007, ExtraHop has consistently helped organizations worldwide extract in-depth network telemetry and contextual insights, affirming its commitment to protecting and empowering the connected enterprise. OUR VALUES Our culture is rooted in our five Values. These set the expectations for how we work individually and collectively as a team. Lead with Purpose: We are driven to deliver results that create a positive impact for our customers, partners, and colleagues. Act with Integrity: We operate with transparency, authenticity, and always in the best interest of the company. Find a Way: We are resourceful, tackle hard problems with a sense of urgency and ownership, and do what it takes to get the job done. Innovate: We listen to customers, partners, and the market, and respectfully push boundaries and challenge the status quo. Share Success: We run together, we win together. We value diverse perspectives, hold space for all voices, and achieve the best results as a team. BENEFITS Employees' wellbeing is top of mind for the ExtraHop team. Employees and their families will have the option to participate in the following benefits: Health, Dental, and Vision Benefits Flexible PTO, Sick Time Prorated Based on Date of Hire, and All Federal Holidays (US Only) + 3 Days of Paid Volunteer Time Non-Commissioned Positions may be eligible to participate in the Annual Discretionary Bonus Plan FSA and Dependent Care Accounts + EAP, where applicable Educational Reimbursement 401k with Employer Match or Pension where applicable Pet Insurance (US Only) Parental Leave (US Only) Hybrid and Remote Work Model Our people are our most important competitive advantage, leading the charge against cyber criminals. Join the fight today! To learn more, visit our website or follow us on LinkedIn. Create a Job Alert Interested in building your career at ExtraHop? Get future opportunities sent straight to your email.