Staff Data Engineer

hackajob · New York, NY · 2 wk ago

On-siteInformation Technology$138/hrFull-time

About the Company

Twenty Technologies, founded in 2024, industrializes offensive cyber operations for the U.S. and its allies. Based in Arlington, Virginia, Twenty has raised $138M from leading investors.

Role Summary

You will own the data infrastructure that powers Twenty’s cyber operations applications and capabilities. This role involves 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 transform 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

Think in systems: data modeling, storage formats, compute engines, and access patterns all have to fit together.
Opinionated about schema and index design, and you can explain tradeoffs clearly.
Default to measurable reliability: data quality, lineage, repeatability, and operational excellence.
Comfortable working with ambiguous datasets and evolving requirements without lowering standards.
Collaborate tightly across roles, especially with engineers and analysts who need fast, correct answers.
Take leadership seriously—mentoring others, raising the bar, and driving initiatives to completion.
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

8+ years of experience in data engineering and/or data architecture.
Mastery-level expertise building ETL pipelines and operating them in production.
Deep experience with data lake architecture and systems used to query data lakes.
Strong schema and index design skills, including partitioning, indexing, and clustering strategies.
Experience with column-oriented databases in production environments.
Built data systems from scratch (not just maintained existing platforms).
Proven leadership experience mentoring engineers and driving technical initiatives.
U.S. citizenship and meeting the role’s security requirements.

Nice To Have

Experience with key-value datastores.
Experience with streaming and message queue systems.
Experience with graph database technologies.
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

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.

Qualifications

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 just 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.

Pay

Details TBD

Schedule