Lead Software Engineer - Applications

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 Lead Software Engineer at Corelight, you will be at the forefront of engineering excellence, bridging the gap between innovative open-source foundations and enterprise-grade performance. You will play a pivotal role in shaping the architecture of our detection platform, ensuring that our defenders have the most reliable, high-performance tools to outsmart global adversaries. Your leadership will not only define the technical roadmap of our products but also cultivate the next generation of engineering talent within our distributed-first culture.

Specific Responsibilities:

• Drive End-to-End Architecture: Lead software design and implementation from conception through to testing, monitoring, and robust CI/CD practices.
• Mentor and Cultivate Talent: Provide technical guidance to junior engineers through design reviews, architectural oversight, and the promotion of performant, maintainable code standards.
• Implement High-Availability Systems: Build and manage automated test suites, sophisticated monitoring tools, and proactive alerting mechanisms to ensure platform stability.
• Strategic Agile Collaboration: Partner closely with Product Managers and Scrum Masters to refine epics, provide accurate estimates, and ensure a predictable, high-quality release schedule.
• Continuous Innovation: Proactively research and propose emerging technologies and industry trends to improve software development practices and maintain Corelight’s competitive edge.

Knowledge/Skills/Abilities needed to be successful:

• Technical Vision: The ability to translate complex product requirements into scalable, multi-threaded architectural designs.
• Collaborative Leadership: A natural ability to facilitate technical meetings, align stakeholders, and foster a culture of transparent communication.
• Agile Mindset: Comfort working in a fast-paced, iterative environment where adaptability and quality go hand-in-hand.
• Mission-Driven Focus: A passion for cybersecurity and a commitment to following open-source workflows to secure global networks.

Qualifications/Requirements:

• Education: Bachelor’s degree in Computer Science, Software Engineering, or a related technical field.
• Professional Experience: 8+ years of software development experience specifically on Linux or Unix-style platforms.
• Core Languages: Expert-level proficiency in Golang and C++.
• System Mastery: Proven experience developing and maintaining multi-threaded applications in production environments.
• Cloud & Infrastructure: Hands-on experience with cloud platforms (AWS, GCP, or Azure) and containerization tools (Docker, Kubernetes).
• Modern DevOps: Expertise in CI/CD pipelines (e.g., Jenkins, GitLab CI/CD) and open-source development tools (Git, CMake, make).
• Data Architecture: Strong working knowledge of both SQL and NoSQL databases.
• Preferred (Bonus): Prior experience leading software teams, a background in Network Security, or familiarity with NDR tools like Zeek and Suricata.

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.