Description
Be part of the team that defends the networks the world depends on
Corelight defends the world’s most sensitive networks—from global commerce to national defense—quietly, relentlessly, and with resolve. As cyber threats grow faster and smarter, we serve as the trusted force behind network resilience, putting elite defense within reach.
By transforming digital footprints from physical, virtual, and cloud networks into actionable insights, we empower defenders to illuminate blind spots and stay ahead of an evolving threat landscape. Built on open-source innovations and fueled by industry leading agentic AI technology, Corelight helps teams to detect advanced threats and close cases with unprecedented clarity and precision.
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.
Specific Responsibilities:
- 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.
Knowledge, Skills, and Abilities needed to be successful:
- Action-Oriented Problem Solving: You thrive in fast-paced environments and can drive testing efforts across multiple projects, even when timelines are ambiguous.
- Global Collaboration: You are a proactive communicator who enjoys working with geographically distributed teams across the USA and India.
- Cross-Functional Partnership: You can effectively partner with Engineering, Product Management, and QE teams to ensure total test coverage.
- Technical Leadership: You take ownership of the "User Experience" from a quality perspective, ensuring our products scale as our customers' codebases grow.
Qualifications/Requirements:
- Industry Experience: 5–10 years of experience in an SDET or heavy automation role.
- Automation Mastery: High proficiency in Python and Bash for framework development and utility scripting.
- Cloud & IaC Expertise: Hands-on experience with at least one major cloud provider (AWS, Azure, GCP) and Infrastructure as Code tools (Ansible/Terraform).
- Linux Administration: Solid experience with RHEL/Ubuntu environments for setting up complex test beds.
- Network Protocol Depth: Strong working knowledge of TCP/IP, HTTP, DNS, SSL/TLS, Kerberos, and SMB.
- Differentiators: Experience with Docker/Kubernetes, Zeek scripting, CI/CD optimization, or prior exposure to Corelight Fleet Manager.
- Education: Bachelor of Science or equivalent experience
Notice of Pay Transparency:
The compensation for this position may vary depending on factors such as your location, skills and experience. Depending on the nature and seniority of the role, a percentage of compensation may come in the form of a commission-based or discretionary bonus. Equity and additional benefits will also be awarded.
Why Join Us?
Fueled by investments from top-tier venture capital organizations such as Crowdstrike, Accel and Insight, Corelight is one of the fastest growing network detection and response platforms in the industry. Our passionate team thrives in a collaborative, inclusive, and geographically distributed culture. We embrace diverse perspectives, neurodiversity, curiosity and low ego results - fostering an environment where every innovator can solve the toughest challenges in cybersecurity and contribute their best work.
We are looking forward to meeting you. Check us out at www.corelight.com
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