Principal Systems Engineer (Internet Infrastructure)

TL;DR

Principal Systems Engineer (Internet Infrastructure): Operating and optimizing enterprise-grade IP-to-DUNS mapping capabilities and high-scale data pipelines with an accent on network routing, IP intelligence, and infrastructure security. Focus on designing automated attribution pipelines, solving complex global internet topology challenges, and maintaining stable entity resolution systems.

Location: On-site in Vienna, Virginia, United States

Company

Global provider of business data, analytics, and insights.

What you will do

• Own the end-to-end technical execution of the IP-to-DUNS mapping lifecycle, including data ingestion, normalization, and delivery.
• Develop and maintain automation code using Python, focusing on operational best practices and security.
• Build and operate automated pipelines to refresh IP attribution and entity resolution at scale.
• Manage internet-facing infrastructure across bare-metal, VPS, and Google Cloud Platform (GCP).
• Implement security controls including network segmentation, encryption, and least-privilege access.
• Provide technical leadership and subject-matter guidance to junior engineers and analysts.

Requirements

• 10+ years of experience in internet infrastructure, network engineering, or IP intelligence.
• Deep working knowledge of ASNs, BGP, DNS, and global internet routing topology.
• Proficiency in Python and SQL (specifically PostgreSQL) for large-scale data analysis.
• Experience with Cloud Infrastructure (GCP preferred) and Infrastructure-as-Code (Terraform).
• Strong Linux fundamentals and experience deploying bare-metal/VPS environments.
• Must be based in or authorized to work in the United States (On-site in Vienna, Virginia).

Nice to have

• Experience with Go, Rust, or Bash.
• Master's degree in Computer Science, Information Systems, or a related engineering field.

Culture & Benefits

• Full-time employment status with corporate benefits.
• Culture emphasizing an ownership mindset, curiosity, and proactive problem-solving.
• Environment focused on continuous growth and professional development.
• Commitment to equal employment opportunity and diversity.