Data Transformation & Analytics Engineer II

Cornerstone Defense LLC; Annapolis (MD); On-site; USD 170,000 - 190,000; Full time

Benefits offered by this job

Medical, dental and vision plans

401(k)

Tuition reimbursement

Perks at Work Discount Program

Travel assistance

Job summary

Cornerstone Defense LLC is seeking a Software Engineer 2 focused on data transformation and analytics. The role centers on turning raw, structured and unstructured data into reliable, analytics-ready datasets to support advanced modeling and data-driven decisions.

You will leverage Python, Spark, Jupyter and Git to build robust data pipelines. The position requires TS/SCI with polygraph to apply, a strong data background, and collaboration across teams to meet mission-driven goals in Annapolis

Qualifications

• Experience transforming raw, complex data into clean, analysis-ready datasets.
• Proficiency with Python and distributed data processing (Spark).
• Strong background in data wrangling, validation, and anomaly detection.

Responsibilities

• Transform data into repeatable, reliable datasets to support advanced analytics.
• Develop data pipelines and analytics-ready outputs for modeling and decision making.
• Collaborate with data scientists to enable predictive analytics.
• Maintain versioned code and data quality across datasets.

Skills

Linux CLI

Bash scripting

Python

Apache Spark

Jupyter Notebook

Pandas

NumPy

Data wrangling

Data quality concepts

Git

Education

Master's degree in computer science or related discipline

Bachelor's degree in computer science or related discipline

7+ years SWE experience

Tools

Jupyter Notebook

Git

Pandas

NumPy

Bash

Spark

Job description

Cornerstone Defense LLC is seeking a Software Engineer 2 focused on data transformation and analytics. The role centers on turning raw, structured and unstructured data into reliable, analytics-ready datasets to support advanced modeling and data-driven decisions.

You will leverage Python, Spark, Jupyter and Git to build robust data pipelines. The position requires TS/SCI with polygraph to apply, a strong data background, and collaboration across teams to meet mission-driven goals in Annapolis