3 hours ago
Remote, United StatesStaff+
Base Salary
$172k - $233k/yr
Responsibilities
- 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 quality, freshness, reliability, and coverage of Censys’ Internet Map.
- Build systems for IP scanning, DNS lookups, protocol fingerprinting, asset attribution, and large-scale data ingestion.
- Lead technical design for distributed services, streaming pipelines, storage systems, caching layers, scheduling systems, and scan orchestration infrastructure.
- Partner with Research, Product, Security, and Engineering teams to productionize research ideas safely and scalably.
- Make tradeoffs involving reliability, cost, scale, latency, data quality, and operational complexity.
- Participate in observability, incident response, and on-call rotation for owned systems.
- Mentor engineers, review designs, and raise the technical bar for backend and scanning infrastructure.
Requirements
- 10+ years of software engineering experience building production systems.
- Strong backend engineering experience with data ingestion pipelines, scanning systems, crawlers, schedulers, APIs, storage systems, or high-throughput services.
- Experience designing and operating large-scale, high-volume, or Internet-scale systems.
- Strong programming experience, primarily in Go.
- Experience with cloud infrastructure such as AWS, GCP, or Azure.
- Experience with message queues or streaming systems such as Google Pub/Sub, Kafka, or Kinesis.
- Experience with distributed databases or large-scale storage systems such as Bigtable, Spanner, HBase, Cassandra, or Postgres.
- Strong understanding of reliability, observability, testing, deployment, and operational ownership.
- Ability to write understandable, testable, and maintainable code.
- Strong technical communication skills across engineering, product, research, and leadership audiences.
- Experience with scanners, crawlers, DNS infrastructure, passive or active measurement, or Internet data collection platforms is a standout qualification.
- Deep DNS knowledge, including resolution, delegation, record types, nameservers, and operational edge cases, is a standout qualification.
- Knowledge of Internet protocols, service discovery, network measurement, protocol fingerprinting, or large-scale crawling is a standout qualification.
- Experience with attribution systems, asset mapping, cloud asset discovery, or connecting Internet-facing services to organizations is a standout qualification.
- Familiarity with gRPC, REST, Protobuf, MessagePack, Kubernetes, and distributed task execution concepts is a preferred qualification.
- Experience turning research prototypes into reliable production systems is preferred.
- Good judgment in using AI-assisted development tools is required.
Benefits
- Remote position within the continental United States.
- Competitive benefits package including equity, health, dental and vision coverage, retirement contributions, parental leave, mental health and wellness benefits, flexible PTO, and a professional development stipend.
- Eligible non-sales employees may participate in an annual bonus plan.
- In-person onboarding at the Ann Arbor headquarters is available or expected after hiring.
- Candidates must keep cameras on during video interviews.
- Reasonable accommodations are available for candidates with disabilities.
Tech Stack
About Censys
Censys is the authority in Internet intelligence and insights. Delivering the most comprehensive, accurate, and up-to-date global map of Internet infrastructure, Censys provides the real-time external visibility organizations need to accelerate security operations, investigate threats, and understand Internet exposure. Global governments, Fortune 500 companies, and security providers trust Censys to uncover risks faster and respond more effectively.