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Development Engineer in Test. SDET (Network Security, Apps)

Corelight

On-siteNorth Americasenior$145k–$180kPosted 7h ago

Job description

  • As a Senior SDET at Corelight, you will be the architect of the trust we build with our customers

  • In this role, you aren’t just “checking code”—you are building the sophisticated automation and infrastructure that validates our cutting-edge network security applications

  • By simulating complex network traffic and stress-testing our Zeek, Suricata, and YARA integrations, you ensure that our defenders have the most reliable tools in the industry to disrupt global cyber attacks

  • Architect Automation Frameworks: Design, develop, and maintain scalable automated test frameworks and scripts using high-proficiency Python and Bash

  • Build Infrastructure as Code: Implement and manage dynamic test environments across major cloud platforms (AWS, Azure, and GCP) using Ansible and Terraform

  • Validate Security Logic: Develop security-focused integration tests to ensure the peak functionality of core tools including Zeek, Suricata, and YARA

  • Automate Artifact Deployment: Streamline the deployment and configuration of critical test artifacts, including Snort and Sigma rule sets

  • Network Traffic Analysis: Perform deep-dive analysis of network protocols (TCP/IP, HTTP, DNS, SSL/TLS) to design robust, realistic test scenarios that mirror real-world production constraints

  • Integrate CI/CD: Manage test code and environments within Git, ensuring seamless integration into our continuous delivery pipelines- Technical Leadership: You take ownership of the “User Experience” from a quality perspective, ensuring our products scale as our customers’ codebases grow

  • Action-Oriented Problem Solving: You thrive in fast-paced environments and can drive testing efforts across multiple projects, even when timelines are ambiguous

  • Cross-Functional Partnership: You can effectively partner with Engineering, Product Management, and QE teams to ensure total test coverage

  • Global Collaboration: You are a proactive communicator who enjoys working with geographically distributed teams across the USA and India

  • Network Protocol Depth: Strong working knowledge of TCP/IP, HTTP, DNS, SSL/TLS, Kerberos, and SMB

  • Automation Mastery: High proficiency in Python and Bash for framework development and utility scripting

  • Education: Bachelor of Science or equivalent experience

  • Differentiators: Experience with Docker/Kubernetes, Zeek scripting, CI/CD optimization, or prior exposure to Corelight Fleet Manager

  • Industry Experience: 5–10 years of experience in an SDET or heavy automation role

  • Linux Administration: Solid experience with RHEL/Ubuntu environments for setting up complex test beds

  • Cloud & IaC Expertise: Hands-on experience with at least one major cloud provider (AWS, Azure, GCP) and Infrastructure as Code tools (Ansible/Terraform)