> Markdown version of [/jobs/ext/4713733-software-engineer-3-data-management](https://www.wearedevelopers.com/jobs/ext/4713733-software-engineer-3-data-management). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Software Engineer 3 (Data Management)

- **Company:** Cornerstone Defense
- **Location:** Annapolis Junction, MD, United States
- **Experience:** Expert
- **Salary:** $190,000 - $210,000
- **Contract:** Permanent contract
- **Skills:** Apache Accumulo, Confluence, JIRA, Bash Shell, Big Data, Continuous Integration, Linux, Web Development, Elasticsearch, Hypertext Transfer Protocols (HTTP), Spring Framework, NoSQL, Scripting, Java Application Server, Test-Driven Development (TDD), Spring-boot, Git, Containerization, Gitlab-ci, Information Technology, Atlassian Tools, Data Management, Restful APIs, Docker, Jenkins
- **Published:** November 14, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9314834/software-engineer-3-data-management

## About the Role

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., * 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 Control System
 * Experience with Test-driven development
 * Experience with containerization technologies such as Docker

## Description

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 *, 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.