Senior Software Engineer – Java, Spring, Kubernetes

Reflexive Concepts, LLC; United States; On-site; USD 120,000 - 180,000; Full time

Job summary

Reflexive Concepts, LLC is seeking a Software Engineer III to join our team on the GHOSTGEM program. You will develop, sustain, and troubleshoot mission software, implementing Java and Spring services with COTS and FOSS, and deploying containerized workloads to Kubernetes using Helm.

The role requires strong Linux, scripting, and database skills (PostgreSQL, MongoDB), plus expertise in Docker, Kubernetes, Helm, and CI/CD with Bamboo or GitLab CI. Security clearance is a requirement.

Qualifications

• Active TS/SCI + FS Polygraph
• Master's degree in Computer Science or related discipline plus 5 years of SWE experience, in programs/contracts of similar scope, type, and complexity, OR
• Bachelor's degree in Computer Science or related discipline plus 7 years of SWE experience, in programs/contracts of similar scope, type, and complexity, OR
• 9 years of SWE experience in programs/contracts of similar scope, type, and complexity.

Responsibilities

• Support development, sustenance, and troubleshooting of a suite of mission software applications.
• Implement, test, and integrate Java and Spring-based services with COTS and FOSS products, libraries.
• Deploy containerized workloads to Kubernetes using Helm.
• Work with Linux CLI and Linux tools; develop scripts in Bash/Python.

Skills

Linux CLI

Bash scripting

Python scripting

Java development

Spring Framework

PostgreSQL

MongoDB

Docker

Kubernetes

Helm

RabbitMQ

Kafka

CI/CD

Bamboo

GitLab CI

Ansible

Git

Education

Master's degree in Computer Science

Bachelor's degree in Computer Science

9 years SWE experience

Tools

Docker

Kubernetes

Helm

Ansible

Git

GitLab CI

Bamboo

RabbitMQ

Kafka

PostgreSQL

MongoDB

Linux

Java

Spring

Job description

Reflexive Concepts, LLC is seeking a Software Engineer III to join our team on the GHOSTGEM program. You will develop, sustain, and troubleshoot mission software, implementing Java and Spring services with COTS and FOSS, and deploying containerized workloads to Kubernetes using Helm.

The role requires strong Linux, scripting, and database skills (PostgreSQL, MongoDB), plus expertise in Docker, Kubernetes, Helm, and CI/CD with Bamboo or GitLab CI. Security clearance is a requirement.