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Staff Data EngineerTwenty Inc. • United States
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Staff Data Engineer

Twenty Inc.
  • US
    United States
  • US
    United States
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Über

About the Company
America is under sustained cyber attack. Our adversaries infiltrate our networks, steal our IP, and degrade the digital infrastructure that modern life runs on. They've learned—correctly—that those attacks rarely produce consequences. Twenty was founded to change that, by making our adversaries think twice before they attack us. Our vision is American and allied primacy in cyberspace—a future where they cannot contest us, deterrence is assured, and the free world remains secure. Founded in 2024, Twenty Technologies industrializes offensive cyber operations for the U.S. and its allies. Headquartered in Arlington, Virginia, Twenty has raised $138M from Accel, Caffeinated Capital, Friends & Family Capital, Point72 Ventures, General Catalyst, and In-Q-Tel. Role Summary
You will own the data infrastructure that powers Twenty's cyber operations applications and capabilities. This role is about building a durable, high-performance data lake and the pipelines, schemas, and query patterns that make petabyte-scale datasets usable and economical. You'll partner closely with engineers and intelligence analysts to turn messy, high-volume operational data into reliable, well-modeled systems that drive real missions. You'll also lead technical initiatives and mentor other engineers as we scale what we can support and ship. Who You Are
You think in systems: data modeling, storage formats, compute engines, and access patterns all have to fit together.
You're opinionated about schema and index design, and you can explain tradeoffs clearly.
You default to measurable reliability: data quality, lineage, repeatability, and operational excellence.
You're comfortable working with ambiguous datasets and evolving requirements without lowering standards.
You collaborate tightly across roles, especially with engineers and analysts who need fast, correct answers.
You take leadership seriously—mentoring others, raising the bar, and driving initiatives to completion.
You're motivated by national security outcomes and want your work to matter in the real world.
What You'll Do
Lead the development and operation of a data lake for cyber operations and intelligence data.
Design schemas, partitions, and indexes that make complex datasets performant and cost-effective to query.
Partner with engineers and intelligence analysts to define query patterns and data products for mission use cases.
Build and evolve ETL pipelines that are observable, recoverable, and resilient to upstream change.
Drive technical initiatives end-to-end, from architecture decisions through production rollout and iteration.
Establish best practices for data quality, documentation, and operational ownership across the platform.
Mentor engineers on data modeling, performance tuning, and production-grade pipeline design.
Identify bottlenecks in storage/compute/query layers and ship improvements with clear performance wins.
Must Have
You have 8+ years of experience in data engineering and/or data architecture.
You have mastery-level expertise building ETL pipelines and operating them in production.
You have deep experience with data lake architecture and systems used to query data lakes.
You have strong schema and index design skills, including partitioning, indexing, and clustering strategies.
You have experience with column-oriented databases in production environments.
You have built data systems from scratch (not only maintained existing platforms).
You have proven leadership experience mentoring engineers and driving technical initiatives.
You are a U.S. citizen and can meet the role's security requirements.
Nice To Have
You have experience with key-value datastores.
You have worked with streaming and message queue systems.
You have experience with graph database technologies.
You have worked with internet/networking datasets (e.g., scan data, DNS, netflow, certificates).
You have experience supporting analysts or operational users with high-stakes data needs.
Tech Environment (You Might Work With)
Data lakes: Apache Iceberg, Delta Lake, Apache Hive
Query engines: Trino, Presto, AWS Athena, Apache Spark
Column stores: ClickHouse, Amazon Redshift, Google BigQuery
ETL / orchestration: Airflow, AWS Glue, NiFi, ClickPipe
Streaming / queues: Kafka, RabbitMQ, NATS, AWS Kinesis
Graph: Neo4j, AWS Neptune, Memgraph, Apache AGE
Benefits
What's on the table: Health.
Medical, dental, and vision plan options. Life / AD&D, disability coverage options.
Family.
Paid parental leave for eligible full-time employees. 12 weeks for birthing parents, 4 for non-birthing parents, 6 weeks for adoptive, foster, or intended parents through surrogacy.
Vacation.
Paid holidays and flexible PTO. Take what you need.
Retirement.
401(k) with pre-tax and Roth options. HSA/FSA options, dependent care FSA.
At the office.
Commuter benefits. On-site garage parking. Bike storage. Building fitness center. Desk setup stipend.
Benefits vary by location, role, and eligibility. Full plan details provided during the interview and offer process. If this role sounds like you, apply and share with us your interest. Some positions may require eligibility to obtain a U.S. Government security clearance. Any clearance requirement will be listed in the role description. Twenty is an equal opportunity employer. We consider all qualified applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, veteran status, disability, or any other protected status. If you need a reasonable accommodation during the hiring process, let us know and we will work with you.
  • United States

Sprachkenntnisse

  • English
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