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ExtraHop Networks, Inc.

At ExtraHop, we're on a mission to help organizations achieve complete visibility, real-time threat detection, and proactive security through cutting-edge network detection and response (NDR) technology. Our NDR product is a market leader, providing our customers with the ability to detect, investigate, and respond to threats faster than ever before.

Were proud of the work we do and the recognition weve received, including our recent Gartner Peer Insights award, which reflects the trust and satisfaction our customers have in our solutions.

If you're passionate about innovation, dedicated to protecting digital infrastructures, and ready to make a real impact, we invite you to join our team and help us shape the future of cybersecurity.

Position Summary

• We are seeking a Sr. IT Systems Engineer to ensure the 24x7 availability and performance of our infrastructure through secure, scalable cloud solutions and automation. This is a hybrid architectural, implementation, and support role. You will design and manage production monitoring, streamline workflows, contribute to documentation, and write efficient, maintainable code. With 8+ years of experience, strong Unix/Linux expertise, and knowledge of networking protocols, youll collaborate across teams to solve complex problems, improve system reliability, and proactively address security risks. You will work within a team of mid-level and senior IT engineers and developers spanning the network and systems infrastructure, identity management, security, and integration spaces, expanding our service portfolio following business needs and iterating and improving upon our existing infrastructure. This role offers the opportunity to tackle new challenges and grow within a dynamic, fast-paced environment.

Key Responsibilities

• Ensure 24x7 responsiveness of services and infrastructure, including on-call rotation for production services.
• Design and manage production system monitoring, using ExtraHop wire data products and conventional tools.
• Add to our internal and stakeholder-facing knowledge bases, including design documents, playbooks, diagrams, and documentation.
• Design and construct secure, future-proof, hybrid/multi-cloud services and networks.
• Implement and improve human and automated workflows for operations and support.
• Write elegant, extensible, sustainable code to solve current and future problems as simply as possible, but no simpler.
• Learn and grow as an engineer and as a colleague.

Required Qualifications

• 8+ years of experience in Unix/Linux systems administration and software development.
• Proficiency in using Shell/Bash and other automation tools within a Linux/Unix environment.
• Familiarity with a distributed version-control workflow in a team setting (e.g., Git).
• Competency in web infrastructure operations, including development and deployment.
• Experience or strong interest in cloud and serverless infrastructure.
• Understanding of virtualization platforms such as Linux KVM.
• In-depth knowledge of enterprise networking and application protocols: TCP/IP, HTTP, SSH, DNS, LDAP, TLS.
• Strong communication skills (verbal and written), with an ability to collaborate effectively across teams.
• Self-directed problem-solving ability, with skills in building consensus among peers and partners.
• Security-focused mindset across all operational activities.
• Ability to express and defend well-formed opinions on technical topics, even in respectful disagreement (e.g., emacs vs. vi).
• Willingness to take on new, undefined challenges and explore innovative solutions.

Preferred Qualifications

Experience with cloud virtualization platforms lik