Principal Engineer Data

Northrop Grumman

Confirmed live today High trust
Hybrid

Quick summary

Work type
Hybrid
Location
El Segundo, CA
Salary
$114,000–$171,000 / yr
Employment
Full-time
Posted
6 days ago
Freshness
Confirmed live today
Closes
Nov 18, 2026

Market check

Salary context

Below market

How this pay compares to similar roles

Similar $213k
This role $142k
$95k $294k
below market most similar roles pay here above market

This role pays less than 95% of similar roles. Most pay $180,468–$245,637 — the blue band above. At the midpoint, this role pays about $142k versus about $213k for comparable roles.

Based on 240 similar postings.

Employer

About Northrop Grumman

Northrop Grumman is a leading global aerospace and defense technology company providing systems in autonomous systems, cyber, C4ISR, space, strike, and logistics. Industry: Aerospace & Defense

Northrop Grumman currently has 629 open roles on FindRole.

Listed pay typically runs $117,500–$176,300 across 314 roles with salary data.

Most-posted roles

View all roles at Northrop Grumman

At a glance

TL;DR · Principal Engineer Data

JOB TITLE: Principal Engineer Data The Principal Engineer Data joins the Northrop Grumman Aeronautics Systems team to design and develop an ecosystem of interconnected business systems, virtualized data pipelines, and end-user consumable data products. This role involves leading designs, mentoring engineers, and building scalable ETL processes across multiple data sources. Key responsibilities include optimizing data models for analytics, implementing robust quality monitoring frameworks, and establishing responsible AI practices. The candidate will utilize a technical stack including Python, SQL, Databricks, Oracle databases, Dagster, Tableau, FastAPI, Azure, SQL Alchemy, PyTorch, Scikit-learn, Pillow, OpenCV, and Torchvision. The work focuses on integrating AI/ML capabilities into enterprise software systems, managing data governance in regulated environments, and developing LLM-enabled solutions like retrieval-augmented generation while ensuring security and privacy compliance for complex analytical requirements.

What does a Data Engineer earn in California?

Median $187700 from 41 postings across 21 companies.

See salary data

What you'll do

  • Design and maintain scalable data pipelines and ETL processes across multiple data sources.
  • Build and optimize data models for analytics, reporting, and end-user consumable data products.
  • Implement robust data quality, validation, and monitoring frameworks to ensure reliability of insights.
  • Develop and maintain Tableau dashboards and ad-hoc querying tools for stakeholders.
  • Deploy AI/ML models to production, including classical ML, deep learning, and LLM-enabled solutions.
  • Integrate AI/ML capabilities into enterprise software systems through APIs, services, and production deployment patterns.
  • Establish responsible AI practices, model governance, and predictive modeling in alignment with security policies.
  • Provide technical leadership through design reviews, prototyping, and mentoring engineers on cross-team technical alignment.

What we're looking for

  • Must have a Bachelor's degree in a STEM field with 5 years of experience, a Master's with 3 years, or a PhD with 1 year.
  • Must possess an active US Government Secret clearance with the ability to obtain special program access.
  • Must be a US Citizen.
  • Must have experience with Python, GIT, Command Line, SQL Servers, Databricks, Oracle, Dagster, Tableau, Excel, Visual Studio, FastAPI, Azure, SQL Alchemy, pytorch, scikit-learn, pillow, and torchvision.
  • Must have experience with data architecture, data models, physical database designs, data integration strategy, and systems integration.
  • Must have experience with SQL Server and proficiency in data visualization tools like Tableau or Power BI.
  • Must have applied AI/ML engineering experience delivering models to production, including classical ML, deep learning, and LLM-enabled solutions.
  • Experience with modern data orchestration tools like Airflow (preferred).

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