Software Engineer 2 (Data Transformation & Analytics)

Cornerstone Defense LLC; Maryland; On-site; USD 170,000 - 190,000; Full time

Benefits offered by this job

Medical, Dental and Vision Plans

Generous PTO Policy

401(k)

HSA and FSA options

Life and Disability Insurance

Tuition Reimbursement and Training

Perks at Work Discount Program

Referral Program

Leads Generation Program

CollegeAmerica 529

Fitness Reimbursement Program

Travel Assistance

Norton Lifelock Benefit Solutions

Life Planning Financial & Legal Services

Job summary

Cornerstone Defense LLC is seeking a Software Engineer 2 (Data Transformation & Analytics) based in Annapolis Junction, MD. This role involves converting complex data into clean, analysis-ready datasets that drive decision-making.

The ideal candidate will possess a Master’s or Bachelor’s degree in Computer Science and several years of relevant experience. Required skills include Python development, Linux tools, and familiarity with Apache Spark.

The position offers a competitive compensation range of $170 - $190K along with comprehensive benefits.

Qualifications

• Active TS/SCI clearance with Polygraph required.
• Transform complex data into high-quality analysis-ready datasets.
• Experience in programs and contracts of similar scope and complexity.

Responsibilities

• Identify ways to create consistent and repeatable capabilities.
• Support advanced analytics and data-driven decision-making.

Skills

Experience using the Linux CLI and Linux tools

Experience developing Bash scripts

Software development experience using Python

Familiar with Apache Spark

Experience using Jupyter Notebook

Data wrangling with pandas and NumPy

Experience working with unstructured data

Familiarity with data quality concepts

Experience with Git Source Control System

Education

Master’s degree in computer science

Bachelor’s degree in computer science

5+ years of experience in relevant programs

7+ years of experience in SWE roles

Tools

Apache Airflow

SQL technologies (MySQL, MariaDB, PostgreSQL)

Atlassian Tool Suite (JIRA, Confluence)

Job description

Title: Software Engineer 2 (Data Transformation & Analytics)

Location: Annapolis Junction, MD

Compensation Range: $170 - $190K

Clearance: Active TS/SCI w/ Polygraph needed to apply

Position Description

The Software Engineer shall be responsible for identifying ways to create consistent and repeatable capabilities including transforming raw, complex, and often unstructured data into clean, reliable, and high-quality analysis-ready datasets that support advanced analytics, predictive modeling, and data-driven decision‑making across the organization.

SWE-2 Qualifications

• Master’s degree in computer science or related discipline from an accredited college or university, plus three (3) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity.
• Bachelor’s degree in computer science or related discipline from an accredited college or university, plus five (5) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity.
• Seven (7) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity.

Position Required Skills

• Experience using the Linux CLI and Linux tools
• Experience developing Bash scripts to automate manual processes
• Recent software development experience using Python
• Familiar with Distributed Big Data processing engines including Apache Spark
• Experience using Jupyter Notebook
• Experience with data wrangling and preprocessing tools such as pandas and NumPy
• Experience working with structured, semi-structured, and unstructured data
• Familiarity with data quality concepts, data validation, and anomaly detection
• Experience with Git Source Control System

Position Desired Skills

• Familiar with Apache Airflow (DAG design, scheduling, operators, sensors) to orchestrate, schedule, and monitor complex workflows
• Familiar with SQL technologies such as MySQL, MariaDB, and PostgreSQL for querying, joining, and aggregating large datasets
• Familiar with HPC Job Scheduling tools including Slurm

Experience using the Atlassian Tool Suite (JIRA, Confluence)

Benefits Overview

• Medical, Dental and Vision Plans
• Generous PTO Policy
• 401(k)
• HSA and FSA options
• Life and Disability Insurance
• Tuition Reimbursement and Training
• Perks at Work Discount Program
• Referral Program
• Leads Generation Program
• CollegeAmerica 529
• Fitness Reimbursement Program
• Travel Assistance
• Norton Lifelock Benefit Solutions
• Life Planning Financial & Legal Services