Software Engineer 1 (Backend Development & Test)

Cornerstone Defense LLC; Maryland; On-site; USD 150,000 - 170,000; Full time

Job summary

Cornerstone Defense LLC is seeking a Software Engineer 1 focused on backend development and testing in Annapolis Junction, MD. The role requires an active TS/SCI with Polygraph to apply and offers a compensation range of $150,000–$170,000 annually.

The Software Engineer will develop, maintain, and troubleshoot Cornerstone Defense's software suite, collaborating with DevOps and security teams to ensure robust, secure, and scalable solutions for challenging defense programs.

Qualifications

• Master's degree in Computer Science or related discipline from an accredited college oruniversity.
• Bachelor's degree in Computer Science or related discipline from an accredited college oruniversity, plus two (2) years of experience as a SWE, in programs and contracts of similarscope, type, and complexity
• Four (4) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity.

Responsibilities

• Develop, sustain, and troubleshoot backend software applications.
• Collaborate with cross-functional teams to integrate with COTS and FOSS systems.
• Participate in testing and validation of software components and deployments.

Skills

Linux CLI

Bash/Python scripting

Java

Spring Framework

Spring Boot

Spring Data

Spring Integration

MongoDB

Docker

Kubernetes

RabbitMQ

Kafka

Bamboo

GitLab CI

Ansible

Git

Education

Bachelor's degree in Computer Science or related discipline (with 2 years SWE experience)

Master's degree in Computer Science or related discipline

Job description

Title: Software Engineer 1 (Backend Development & Test)

Location: Annapolis Junction, MD

Compensation Range: $150 - $170K

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 *

Position Description: The Software Engineer shall be responsible for developing, sustaining, and troubleshooting GHOSTGEM's software suite of applications. Software development activities include implementation, testing, and integration with other COTS and FOSS products, packages, and libraries.

Qualifications:
Master's degree in Computer Science or related discipline from an accredited college oruniversity.
OR
Bachelor's degree in Computer Science or related discipline from an accredited college oruniversity, plus two (2) years of experience as a SWE, in programs and contracts of similarscope, type, and complexity
OR
Four (4) 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 scripts using Bash/Python
• Recent software development experience using Java
• Recent software development experience using the Spring Framework including Spring Boot, Spring Data and Spring Integration
• Experience with NoSQL databases including MongoDB
• Experience with containerization technologies such as Docker and containerd
• Experience with container orchestration technologies including Kubernetes
• Familiar with Messaging Frameworks such as RabbitMQ and Kafka
• Familiar with CI/CD principles, methodologies, and tools such as Bamboo and GitLab CI
• Familiar with IaC principles, methodologies, and tools including Ansible
• Experience using Git Source Control System

Position Desired Skills:

• Experience with the Atlassian Tool Suite including Jira and Confluence
• Experience creating Helm Charts to deploy containerized services in a Kubernetes environment