Software Engineer II - Mission-Critical GHOSTGEM Suite

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

Benefits offered by this job

Medical

Dental

Vision

PTO

401(k)

Job summary

Cornerstone Defense LLC is seeking a Software Engineer 2 to develop, sustain, and troubleshoot the GHOSTGEM software suite, including JEDIPOWER and DINO, in a Linux environment. You will participate in the full software lifecycle, from design through integration with commercial and open-source products.

The role requires TS/SCI with polygraph, and experience with Java, Spring, SQL/NoSQL databases, containerization (Docker), messaging (RabbitMQ, Kafka), and CI/CD pipelines.

Qualifications

• SWE qualifications include master's or bachelor's with years of experience (3–7) in similar scope and complexity, or 7+ years total experience.

Responsibilities

• Position responsible for developing, sustaining, and troubleshooting GHOSTGEM's software suite (JEDIPOWER/DINO) and future capabilities as mission needs arise.

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

Linux CLI

Bash

Python

Java

Spring Framework (Boot, Data, Integration)

PostgreSQL

MongoDB

Docker

containerd

RabbitMQ

Kafka

CI/CD (Bamboo, GitLab CI)

Ansible

Git

Kubernetes

Helm

Jira

Confluence

Job description

Cornerstone Defense LLC is seeking a Software Engineer 2 to develop, sustain, and troubleshoot the GHOSTGEM software suite, including JEDIPOWER and DINO, in a Linux environment. You will participate in the full software lifecycle, from design through integration with commercial and open-source products.

The role requires TS/SCI with polygraph, and experience with Java, Spring, SQL/NoSQL databases, containerization (Docker), messaging (RabbitMQ, Kafka), and CI/CD pipelines.