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 the Senior Software Quality Engineer for our Release Testing team, you serve as the critical final gatekeeper for our Open NDR platform. You will ensure that the actionable insights generated by Zeek, Suricata, and YARA are delivered with absolute reliability to our global customers. By orchestrating complex, real-world network scenarios across cloud and on-prem environments, you bridge the gap between infrastructure and deep network analysis to ensure that defenders have a robust foundation to hunt threats and disrupt attacks.
Specific Responsibilities:
- Drive the End-to-End Testing Lifecycle: Act as the final technical authority on product quality, leading the strategy for stable, high-performance releases across multiple concurrent projects.
- Architect Scalable Test Infrastructure: Design and maintain high-fidelity test environments across on-prem, virtual, and cloud platforms (AWS, Azure, GCP) using Infrastructure as Code (Ansible, Terraform).
- Develop Advanced Automation: Build and optimize sophisticated automated test frameworks and utility scripts using Python and Bash to ensure fast, reliable feedback loops.
- Continuous Quality Integration: Manage test code within Git and seamlessly integrate automated suites into CI/CD workflows to modernize our release cadence.
- Network Protocol Deep-Dive: Perform expert-level analysis of network traffic (TCP/IP, HTTP, DNS, SSL/TLS) to design realistic test scenarios that mimic sophisticated production environments.
- Cross-Functional Triage: Partner with Development, Product Management, and the global QE organization to identify, prioritize, and resolve bottlenecks in the release pipeline.
Knowledge/Skills/Abilities needed to be successful:
- Proactive Problem-Solving: You are a proactive problem solver who doesn’t wait for instructions to address a bottleneck; you explore the "how" and "why" of system failures.
- Collaborative Leadership: You have a proven ability to lead testing efforts across multiple teams, managing priorities effectively even when timelines or requirements are ambiguous.
- Systems Thinking: You can visualize how complex network protocols and security insights interact across a geographically distributed, distributed-system architecture.
- High-Fidelity Mentality: You take pride in being the final gatekeeper, ensuring that every release is robust enough to protect the mission-critical assets of our global customers.
Qualifications/Requirements:
- Experience: 5–10 years of professional experience in Software Quality Engineering, SDET, or Systems Engineering roles.
- Automation Mastery: High proficiency in Python and Bash for infrastructure automation and tool development.
- Cloud & IaC Expertise: Hands-on experience with Ansible and Terraform, as well as production experience with at least one major cloud provider (AWS, Azure, or GCP).
- Networking Foundations: Deep working knowledge of Linux administration (RHEL/Ubuntu) and core protocols including TCP/IP, HTTP, DNS, and SSL/TLS.
- SIEM Proficiency: Hands-on experience with security analytics tools such as Splunk, Elastic, or Microsoft Sentinel.
- Education: Bachelor's degree in Computer Science or related fields, or equivalent professional experience.
- Preferred Differentiators: Experience with Docker/Kubernetes, CI/CD pipeline optimization, or familiarity with Zeek, Suricata, and YARA.
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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