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Software Developer

Quantum Science Solutions

Posted today

Job Requirements

McLean, VA
Top Secret/SCI Full Scope Polygraph
Career Level not specified
Salary not specified
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Job Description

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 highly skilled Software Developer (Systems Software) to support a team specializing in the design, engineering, implementation, development, and maintenance of enterprise-quality systems, networks, and applications. This is a DevOps-focused role requiring hands-on expertise in cloud infrastructure, automation, and system integration. The ideal candidate will bring strong experience in CI/CD, Infrastructure as Code, AWS cloud services, and containerized environments, along with a deep understanding of system reliability, scalability, and security.
The successful candidate will work closely with cross-functional teams in an Agile environment to deliver secure, high-performance solutions and support mission-critical operations.

Key Responsibilities
• Design, implement, and maintain scalable systems and infrastructure using DevOps best practices
• Develop and manage CI/CD pipelines using Jenkins
• Implement and maintain Infrastructure as Code (IaC) using Terraform
• Deploy, manage, and optimize applications within AWS cloud environments
• Develop automation scripts using Bash and Python
• Build and maintain containerized environments (Docker, Podman)
• Administer and support self-hosted databases (PostgreSQL, MySQL) including backup/recovery, HA, and performance tuning
• Implement monitoring, logging, and alerting using Prometheus, Alertmanager, and CloudWatch
• Integrate and deploy cloud services, open-source tools, and custom applications
• Ensure compliance with networking, security, IAM policies, and AWS architecture best practices
• Manage source code and workflows using Git-based version control systems
• Collaborate within Agile teams to deliver reliable and scalable system solutions

Mandatory Skills
• Demonstrated experience implementing and managing CI/CD pipelines (Jenkins required)
• Strong proficiency with Infrastructure as Code tools (Terraform required)
• Hands-on experience with AWS services, including EC2, S3, RDS, Lambda, VPC, IAM, and CloudWatch
• Experience with containerization technologies such as Docker and Podman
• Strong scripting proficiency in Bash (required) and Python (required)
• Experience with self-hosted databases, including installation, configuration, backup/recovery, high availability, and performance tuning (PostgreSQL and MySQL)
• Hands-on experience with monitoring, logging, and alerting systems (Prometheus, Alertmanager, CloudWatch)
• Experience integrating and deploying AWS services, open-source applications, COTS/GOTS products, and custom systems
• Strong understanding of networking, security, IAM policies, and AWS architecture best practices
• Experience with Git-based workflows, branching strategies, and version control best practices

Preferred Skills
• Experience deploying and managing data platform components (Apache Spark, Trino, Apache Ranger, Apache Iceberg, Apache Superset, data catalogs)
• Familiarity with data lakehouse architectures
• Experience with secrets management solutions (AWS Secrets Manager, Parameter Store)
• Knowledge of disaster recovery, backup strategies, and continuity planning
• Familiarity with API gateways and microservices architectures
• Experience with AWS cost optimization practices
• Background supporting AI/ML workloads or model serving infrastructure
• Experience mentoring team members on DevOps and cloud best practices
• Experience with NoSQL databases (DynamoDB, MongoDB, etc.)
• Familiarity with monitoring and visualization tools (Grafana, ELK stack)
• Experience integrating with enterprise-level services

Education
• B.S. in Computer Science, Computer Engineering, Computer Information Systems, or related field, or equivalent experience

Why QSS?
At QSS, you’re not just filling a role, you’re building and sustaining systems that matter. We invest in your growth, foster innovation, and reward technical excellence.

Benefits include:
• Competitive compensation with annual performance bonuses
• Premium Medical, Dental, & Vision coverage
• Generous PTO plus Federal Holidays
• 401(k) with company match
• Opportunities for continuous learning and skill development
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About Us
Quantum Science Solutions is traditional in the sense that it was built with core foundations based on honesty and integrity. We take great pride in all of our efforts and projects, we are proud to serve the front lines of cyber defense. We challenge our team members frequently and thrive on the motto “One for all, all for one”. Here at QSS, we invite individuals who think outside of the box and are mentally stimulated by complex problems in the fast paced world of cyber and technology. Our collaborative work environment allows you to think freely and develop iron clad solutions for our customers. At QSS, your ideas and designs are not only heard but are recognized and rewarded. We support you and will provide you with the resources needed to fuel innovations and creativity. Imagine, you are working on cyber integration concept and it turns into fully funded project by a federal agency. Join the QSS team where rather than making a difference, we are the difference

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Job Category
IT - Software
Clearance Level
Top Secret/SCI