Senior Principal Engineer; Cortex Xpanse, Collections

Requirements

• 10+ years of professional software engineering experience building backend systems
• A track record of setting technical direction, leading architectural decisions, and delivering massive, scalable systems into production
• Proficiency in Java or Golang is preferred, though strong experience with other modern backend languages is welcome
• Experience building data pipelines for real-time streaming or batch processing
• Experience with distributed systems, API design, and decoupling complex data architectures
• Experience with at least one major cloud platform (GCP, AWS, or Azure)
• (Desirable) Have expertise with any of the following: GCP, Kubernetes, Terraform, Big Query, PostgreSQL, MySQL, Big Table, Apache Beam
• (Desirable) Familiarity with low-level Internet protocols and high-throughput network scanning
• (Desirable) Experience with cybersecurity, attack surface management, or internet measurement domains

• The Collections team is the foundational engine behind the Cortex Xpanse Attack Surface Management (ASM) platform
• We architect, scale, and orchestrate global internet-scale discovery and scanning infrastructure
• In this role, you will design distributed systems that continuously map the entire IPv4 and IPv6 internet, while building high-throughput data pipelines to create the foundation for Xpanse’s Attack Surface Management
• As a Senior Principal Software Engineer, you will lead the technical vision across the Xpanse organization
• You will architect robust, scalable solutions spanning multiple services and guide the end-to-end delivery of high-impact initiatives
• Partnering closely with engineering leadership, you will define our long-term roadmap while actively mentoring and elevating engineering talent across the organization
• Build, optimize, and scale distributed backend scanning systems in Go
• Design and develop robust data collection pipelines using Apache Beam and Java multithreading frameworks
• Investigate new data sources and perform data analysis to estimate customer impact
• Take ownership of projects, drive them to completion, and support them in production
• Partner with engineering leadership, product managers, and downstream teams to define product strategy and enable the creation of new customer-facing features
• Mentor and grow engineers, setting a high bar for technical excellence, architecture design, and system reliability