Data Transformation & Analytics Software Engineer II

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

Benefits offered by this job

Medical, Dental & Vision Plans

Generous PTO

401(k) and Matching

HSA/FSA options

Life and Disability Insurance

Tuition Reimbursement and Training

Perks at Work Discount Program

Job summary

Cornerstone Defense LLC is hiring a Software Engineer 2 focused on Data Transformation & Analytics in Annapolis Junction, MD. You will transform raw data into analysis-ready datasets to support advanced analytics, predictive modeling, and data-driven decisions across the organization.

Qualifications include a Master’s or Bachelor’s in CS or related field with extensive SWE experience, strong Python, Spark, SQL, and data-wrangling skills, plus TS/SCI with polygraph clearance to apply.

Qualifications

• Transforms raw, complex, unstructured data into clean, reliable datasets for analytics.
• Supports predictive modeling and data-driven decision-making across the organization.
• Requires advanced SWE experience and related degree or equivalent experience.

Responsibilities

• Identify repeatable capabilities to transform data for analytics.
• Develop data pipelines and automation to support analytics workloads.
• Collaborate with analytics teams to ensure data quality and reliability.

Skills

Linux CLI

Bash scripting

Python

Apache Spark

Jupyter Notebook

Pandas

NumPy

Data wrangling

Structured data

Git

Data quality concepts

Data validation

Education

Master's degree in Computer Science or related discipline

Bachelor's degree in Computer Science or related discipline

Seven years of SWE experience

Tools

Jupyter Notebook

Git

JIRA

Confluence

Job description

Cornerstone Defense LLC is hiring a Software Engineer 2 focused on Data Transformation & Analytics in Annapolis Junction, MD. You will transform raw data into analysis-ready datasets to support advanced analytics, predictive modeling, and data-driven decisions across the organization.

Qualifications include a Master’s or Bachelor’s in CS or related field with extensive SWE experience, strong Python, Spark, SQL, and data-wrangling skills, plus TS/SCI with polygraph clearance to apply.