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Principal Engineer, Investigator



United States · Canada · Mexico
Posted on Tuesday, November 14, 2023

By making evidence the heart of security, we help customers stay ahead of ever-changing cyber-attacks.

Corelight is a cybersecurity company that transforms network and cloud activity into evidence. Evidence that elite defenders use to proactively hunt for threats, accelerate response to cyber incidents, gain complete network visibility and create powerful analytics using machine-learning and behavioral analysis tools. Easily deployed, and available in traditional and SaaS-based formats, Corelight is the fastest-growing Network Detection and Response (NDR) platform in the industry. And we are the only NDR platform that leverages the power of Open Source projects in addition to our own technology to deliver Intrusion Detection (IDS), Network Security Monitoring (NSM), and Smart PCAP solutions. We sell to some of the most sensitive, mission critical large enterprises and government agencies in the world.

As a Principal Engineer, you will play a crucial role in leading the development and architecture of the backend systems that power our products and services. You will be responsible for overseeing a team of backend engineers, guiding their work, and collaborating with cross-functional teams to deliver high-quality, scalable, and reliable software solutions. Your deep understanding of SaaS and cloud technologies, combined with your leadership skills, will be vital in shaping the future of Corelight's Open NDR SaaS Platform.


  • Lead the technical design discussions within the team and collaborate with other teams across the organization.
  • Design, develop and operate scalable, elastic and secure microservices based on serverless architectures.
  • Build REST APIs / GraphQL services to interface with large datasets and analytics using AWS technologies and services like AWS Lambda, API Gateway, DynamoDB, S3, and Cloudwatch.
  • Design, develop and maintain robust and scalable Machine Learning pipelines.
  • Work in an Agile development team to design and deliver service features end-to-end from design to production deployment and monitoring.
  • Evangelize and drive adoption of software development best practices in code health, quality, test stability and maintainability.
  • Work closely with offshore teams on various development projects.

Minimum Qualifications

  • Strong appreciation and support for our core values: low ego results, tireless service, and applied curiosity.
  • 10+ years of professional software development experience.
  • Experience building REST APIs / GraphQL to support a rich data-heavy visual user interface.
  • Experience using AWS Services (Lambda, AppSync, API Gateway) or equivalent.
  • Experience in designing and implementing machine learning pipelines using Apache Spark or Apache Flink.
  • Experience programming skills in Python, Java/Scala and/or Go.
  • Experience with Relational and NoSQL databases.
  • Solid understanding of distributed systems and big data technologies.
  • Experience adopting & using Agile development methodologies
  • Excellent communication skills. You thrive by collaborating with multiple teams and use your communication skills to influence product directions.
  • Bachelor's degree in Computer Science or related fields, or equivalent experience

Preferred Qualifications

  • Experience using Docker, Kubernetes, and containerized microservices
  • Experience in optimizing and troubleshooting complex, large-scale systems.
  • Knowledge of Network-based Security Detections and Attack techniques desirable.
  • Experience with Search and Analytics tools like Splunk, Elasticsearch etc.
  • Experience with frontend technologies such as React is desirable.
  • Experience working in a distributed team.

We are proud of our culture and values - driving diversity of background and thought, low-ego results, applied curiosity and tireless service to our customers and community. Corelight is committed to a geographically dispersed yet connected employee base with employees working from home and office locations around the world. Fueled by an accelerating revenue stream, and investments from top-tier venture capital organizations such as Crowdstrike, Accel and Insight - we are rapidly expanding our team.

Check us out at www.corelight.com