Software Developer Security Clearance

Position: Software Developer with Security Clearance
Job Title:

Software Developer (Systems Software)

Location:

McLean, VA (On-Site) Clearance: TS/SCI with Full Scope Polygraph (Required) Company:
Quantum Science Solutions (QSS) Compensation:
Open Rate

Position Overview Quantum Science Solutions (QSS) is seeking a Software Developer (Systems Software) to support the design, engineering, implementation, development, and maintenance of enterprise-quality mission systems, networks, and applications. This role will focus on cloud infrastructure automation, CI/CD implementation, infrastructure as code (IaC), containerization, system integration, and operational support within AWS environments. The ideal candidate will possess strong hands-on experience building and maintaining cloud native infrastructure, automating deployment pipelines, supporting enterprise applications, and implementing Dev Ops best practices.

This position requires expertise in AWS services, Terraform, Cloud Formation, Python, Bash scripting, containerized environments, and infrastructure operations while supporting highly available, secure, and scalable enterprise systems.

Key Responsibilities
• Design, develop, deploy, and maintain enterprise cloud infrastructure and application environments supporting mission-critical systems.
• Develop and maintain Infrastructure as Code (IaC) using Terraform and Cloud Formation to automate provisioning, configuration, and lifecycle management of AWS resources.
• Configure, administer, and troubleshoot AWS services including EC2, Lambda, S3, RDS, VPCs, Security Groups, NACLs, IAM, Cloud Watch, and other core cloud services.
• Design, implement, and maintain CI/CD pipelines utilizing Jenkins, Git Lab CI, Git Hub Actions, or similar automation platforms.
• Develop and maintain automation scripts and operational tooling using Bash and Python.
• Build, deploy, and manage containerized applications using Docker and associated container technologies.
• Integrate and deploy diverse technology solutions including AWS cloud services, opensource software, COTS/GOTS products, and custom-developed applications.
• Implement monitoring, logging, alerting, and observability solutions to support system availability, performance, and operational awareness.
• Administer and maintain self-hosted Postgre

SQL and MySQL database environments, including installation, configuration, backup and recovery, high availability, and performance optimization.
• Support Git-based software development workflows, branching strategies, version control practices, and release management processes.
• Collaborate with software developers, systems engineers, cloud architects, and cybersecurity teams to deliver secure and scalable solutions.
• Apply AWS architecture best practices, networking principles, IAM controls, and security standards across enterprise environments.
• Troubleshoot infrastructure, deployment, integration, and application issues across development, test, and production environments.
• Support infrastructure and modernization efforts and continuous improvement initiatives to increase reliability, scalability, and automation. Mandatory Skills
• Active TS/SCI with Full Scope Poly
• Hands-on experience writing, testing, and maintaining Infrastructure as Code using Terraform and AWS Cloud Formation.
• Hands-on experience configuring, managing, and troubleshooting AWS services including: EC2, Lambda, S3, RDS, VPC, Security Groups, NACLs, IAM, Cloud Watch, Other core AWS services.
• Experience implementing and managing CI/CD pipelines using Jenkins, Git Lab CI, Git Hub Actions, or similar tools.
• Strong scripting proficiency using Bash and Python.
• Hands-on experience with Docker and containerized application deployments.
• Experience integrating and deploying AWS cloud services, open-source applications, COTS/GOTS products, and custom-developed applications.
• Strong understanding of networking fundamentals, AWS architecture best practices, IAM policies, and cloud security principles.
• Experience utilizing Git-based workflows, branching strategies, and version control best practices.
• Experience implementing monitoring, logging, and alerting solutions such as…