Forward Deployed Data Engineer; Groton, CT​/Senior Secret

We’re seeking a skilled Forward Deployed Data Engineer to build the next-generation data management and artificial intelligence platform for maritime domain awareness. The position requires a current or active U.S. Secret clearance.

As a forward-deployed engineer, you’ll work on-site with customers — writing code, integrating systems, and solving hard problems in the field. You’re part engineer, part technical advisor, and wholly accountable for making the mission succeed.

Spear AI is a growing defense contracting company dedicated to delivering cutting‑edge solutions that support our nation’s security. As we expand, we’re building a culture where innovation meets mission‑critical work. We operate with a flat organizational structure that empowers every team member to make an impact, collaborate directly with leadership, and contribute to projects that matter. Whether you’re joining our Hardware, Software, or Services division, you’ll work alongside talented professionals who are committed to excellence and advancing the capabilities that keep our nation safe and secure.

Spear AI builds sonobuoy sensors that are deployed into the water and collect edge data. We also work with the U.S. Navy to collect and process their SONAR data. You’ll have an opportunity to work on real‑world projects that directly impact warfighter capabilities and mission success.

We’re a small team wearing many hats, and you’d have a wide variety of responsibilities that include:

• Implement real‑time data pipelines with MQTT and Redpanda for stream processing.

• Implement offline data pipelines using Dagster for batch processing.

• Parse and process binary message formats from various data sources.

• Build data warehouses using Postgres, Apache Iceberg, Parquet, and S3.

• Design data models that allow for high‑performance queries.

• Validate and normalize data sources.

• Improve local development and CI/CD using modern tooling and Git Hub Actions.

We’re looking for someone with strong Software Engineering skills who shares our most important values:

• You’re fanatical about polish. Every detail matters. You love to make sure your code is linted, formatted, fully typed, and has 100% test coverage.

• You care about correctness. You take pride in the fact that downstream consumers trust libraries and services you build.

• You obsess over performance. You daydream about Lighthouse scores and query speed.

• You dive deep. It’s important for you to really know how things work. You’re always building prototypes and setting up experiments to reinforce your understanding.

• You live on the bleeding edge. You’ve got a long list of upcoming platform features you’re excited about and can’t wait for the next nightly to drop.

• You’re a great teacher. You know how to break down a concept for a specific audience and make it click with them in a way that gets them excited.

• Expertise in time-series data processing and analysis (windowing, resampling, interpolation, etc.)

• Proficiency in Python and Rust for data engineering workflows.

• Experience with binary message parsing.

• Experience with row-based & columnar-based data formats.

• Experience with OLTP & OLAP databases.

• Knowledge of distributed systems, streaming architectures, and batch processing patterns.

• Hands‑on experience with a batch orchestrator such as Dagster/Airflow.

• Hands‑on experience with a streaming platform such as Redpanda/Kafka.

• Hands‑on experience with binary message formats such as Protobuf.

• Experience with IoT devices and sensors.

• Digital signal processing experience.

• Geospatial analysis and GIS experience.

• Familiar with working in monorepos.

• Unlimited PTO — Take the time you need to recharge and maintain work‑life balance.

• Dedicated sick time — Your health and well‑being come first.

• Comprehensive health and benefits – Medical, dental, and vision coverage to keep you and your family protected.

• 11 Paid Holidays — Enjoy time off throughout the year to celebrate and spend time with loved ones.

• Professional development — Educational opportunities and resources to help you grow your skills and advance your career.

• Collaborative environment — Work directly with…