Senior IT Systems Engineer

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 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, you’ll 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 like AWS, Azure, or GCP. - Our team doubles as an escalation point for desktop support, and we manage the Active Directory environment; Windows and/or MacOS competency is a plus. - Experience with Google Workspace administration is an asset. - Understanding of firewall and security management principles. - Understanding of secondary networking and application protocols: UDP, SMTP, NTP, SNMP, Finger. - Hands-on experience with Linux configuration management systems (e.g., Ansible, Puppet, Chef). - Familiarity with network switching and routing equipment, including configuration and deployment. - Strong attention to detail, especially regarding grammatical nuances such as the Oxford comma and double sentence spacing. Skills and Competencies - Technical Expertise: Deep understanding of Linux/Unix systems, networking protocols, and automation tools. - Collaboration: Strong teamwork and interpersonal skills, working effectively across cross-functional teams. - Problem-Solving: Ability to diagnose complex systems and offer clear, actionable solutions. - Security Mindset: Proactively identifies and mitigates security risks in operational workflows. - Communication: Articulate communicator, capable of explaining technical concepts to non-technical audiences. - Adaptability: Comfortable with ambiguity and excited to learn new technologies and approaches. - Critical Thinking: Open-minded yet decisive, with an ability to analyze different perspectives and make informed decisions. Compensation & Benefits: The salary range for this role is $135,000 – $149,000 per year, plus eligibility for an annual performance-based discretionary bonus and stock option grants. We offer a comprehensive benefits package including medical, dental, and vision coverage (effective Day 1), a 401(k) with employer match, flexible PTO, parental leave, and more. 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.