Data Transformation & Analytics Software Engineer III

Cornerstone Defense LLC; Annapolis, Northern (MD, KY); Hybrid; USD 190,000 - 210,000; Full time

Benefits offered by this job

Medical coverage

PTO

401(k)

HSA/FSA

Life and Disability Insurance

Tuition Reimbursement

Perks at Work

Referral Program

Leads Generation Program

529 Plan

Fitness Reimbursement

Travel Assistance

Norton Lifelock Benefit Solutions

Life Planning Financial & Legal

Job summary

Cornerstone Defense LLC is hiring a Software Engineer 3 focused on Data Transformation & Analytics in Annapolis Junction, MD. The role emphasizes dataflow design, data transport, and Apache Spark-based processing to support scalable analytics workloads.

The ideal candidate has strong Python/Java skills, experience with big data ecosystems, and a TS/SCI w/ Polygraph clearance. Competitive compensation accompanies comprehensive benefits and growth opportunities.

Qualifications

• Master’s degree in computer science or related discipline; 5 years SWE exp.
• Bachelor’s degree in computer science or related discipline; 7 years SWE exp.
• 9 years of SWE experience in similar scope and complexity.

Responsibilities

• Design, implement, and optimize data ingress and egress pathways.
• Develop dataflow designs and Spark-based distributed processing.
• Ensure scalable, reliable analytics workloads and data transformations.

Skills

Linux CLI

Bash scripting

Python

Java

Apache Spark

Jupyter Notebook

Pandas/NumPy

Data formats

Data quality

Git

Education

Master’s degree in computer science or related discipline

Bachelor’s degree in computer science or related discipline

Tools

Apache Airflow

SQL: MySQL/PostgreSQL

HPC: Slurm

Atlassian JIRA/Confluence

Job description

Cornerstone Defense LLC is hiring a Software Engineer 3 focused on Data Transformation & Analytics in Annapolis Junction, MD. The role emphasizes dataflow design, data transport, and Apache Spark-based processing to support scalable analytics workloads.

The ideal candidate has strong Python/Java skills, experience with big data ecosystems, and a TS/SCI w/ Polygraph clearance. Competitive compensation accompanies comprehensive benefits and growth opportunities.