Censys

Censys

Censys provides security teams with a comprehensive and accurate mapping of the internet, enabling them to effectively defend against attack surfaces and proactively hunt for threats.

IT Services
51-250
Founded 2017
$53M raised

Description

  • Design, build, and operate Internet-scale scanning, DNS, crawling, attribution, and data collection systems.
  • Own backend services and pipelines that collect, process, validate, and enrich large Internet datasets.
  • Improve the accuracy, freshness, reliability, and coverage of Censys’ Internet Map.
  • Lead technical design for distributed services, streaming pipelines, storage, caching, scheduling, and scan orchestration systems.
  • Partner with Research, Product, Security, and Engineering teams to productionize research ideas.
  • Balance reliability, cost, scale, latency, data quality, and operational complexity.
  • Own observability, incident response, deployments, and on-call operations for production systems.
  • Mentor engineers, review designs, and raise the technical standard for backend and scanning infrastructure.

Requirements

  • 10+ years of software engineering experience building production systems.
  • Strong backend engineering experience with ingestion pipelines, scanning systems, crawlers, schedulers, APIs, storage systems, or high-throughput services.
  • Experience designing and operating large-scale or Internet-scale systems.
  • Strong programming experience; Go is the primary language.
  • Experience with AWS, GCP, Azure, or comparable cloud infrastructure.
  • Experience with message queues or streaming systems such as Pub/Sub, Kafka, or Kinesis.
  • Experience with distributed databases or large-scale storage systems such as Bigtable, Spanner, HBase, Cassandra, or Postgres.
  • Strong knowledge of reliability, observability, testing, deployment, and operational ownership.
  • Strong technical communication and ability to explain complex systems to technical and nontechnical stakeholders.
  • Preferred: experience with Internet scanners, DNS infrastructure, network measurement, attribution, Kubernetes, distributed task execution, or productionizing research prototypes.

Benefits

  • Remote work within the continental United States.
  • Salary of $172,000–$216,000 outside high-cost areas or $198,000–$233,000 in the San Francisco Bay Area, New York City, and Seattle.
  • Bonus eligibility and equity.
  • Health, dental, and vision coverage.
  • Retirement plan with company contribution.
  • Parental leave, mental health and wellness benefits, and flexible PTO.
  • Professional development stipend.

Interested in this position?

Apply directly on the company website

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