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Software Engineer 3 (Data Management) with Security Clearance

Cornerstone DefenseAnnapolis, MD🇺🇸United StatesPosted 15 Jul 2026

Quick Overview

Salary
$190k - $210k/yr
Work Type
Hybrid
Level
Mid Senior

Job Description

Title: Software Engineer 3 (Data Management) Location: Annapolis Junction, MD Compensation Range: $190 -$210K *Clearance: *Active TS/SCI w/ Polygraph needed to apply * Company Overview: Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation's toughest and most secure problems. If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don't look any further than Cornerstone Defense. Benefits Overview: Cornerstone Defense offers a very comprehensive benefits package including, but not limited to: 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 * Summary: The Software Engineer shall be responsible for the design, development, test, and sustainment of an end-to-end Big Data processing platform that provides downstream systems with aggregated analytic results and allows end-users the ability to query, visualize, and analyze event data from multiple data sources. Qualifications: Master'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. OR Bachelor's degree in computer science or related discipline from an accredited college or university, plus seven (7) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity OR Nine (9) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity. Required Skills: * Experience using the Linux CLI * Experience with Bash/Python scripting * Experience developing Java applications in a Linux environment * Experience developing with the Spring framework including Spring Boot * Experience with processing Big Data * Demonstrated experience with system design and architecture * Experience with Web development, HTTP, and REST services * Experience with NoSQL technologies such as Elasticsearch and Accumulo * Experience with CI/CD principles, concepts, best practices and tools such as Jenkins and GitLab CI Desired Skills: * Experience with the Atlassian Tool suite (Jira, Confluence) * Experience with Git Version Contr ol System * Experience with Test-driven development * Experience with containerization technologies such as Docker

Skills

Docker
Spring
Spring Boot
Bash
Confluence
Git
GitLab CI
HTTP
Java
Jenkins
Jira
Python
REST

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