Quantum Science Solutions is hiring: Software Engineer - Principal with Security

Job Title: Software Engineer – Principal I Location: On-site – Dulles Clearance Required: Active Secret (S); must be able to obtain TS/SCI and DHS Suitability Company: Quantum Science Solutions (QSS) Rate: Open Position Overview Quantum Science Solutions (QSS) is seeking a Software Engineer – Principal I with expertise in data engineering and cloud-based development to design, implement, and optimize secure data pipelines in support of mission customers. The ideal candidate will have hands-on experience in data ingestion, processing, and orchestration, leveraging AWS, Databricks, Elasticsearch, and modern DevOps tools. This senior-level role includes oversight of pipeline development, automation, performance monitoring, and process improvement to ensure technical correctness, timeliness, and high-quality delivery. Key Responsibilities • Design, develop, and implement end-to-end data ingestion and processing pipelines using Cloud and Platform technologies. • Transform data from bronze (RAW) to silver (clean) to gold (projected) tiers following the Medallion model. • Schedule, orchestrate, and monitor automated/semi-automated pipelines. • Map and integrate data assets in support of multiple mission customers. • Develop and maintain a team process improvement plan for data engineering. • Write code in programming and scripting languages to automate ingestion, pipeline orchestration, and data management. • Implement pipeline transparency using tools such as AWS CloudWatch for monitoring and performance metrics. • Ensure team Standard Operating Procedures (SOPs) are captured, communicated, and followed. • Guarantee technical correctness, timeliness, and delivery quality for the team. • Provide excellent oral and written communication with management and customer stakeholders. Required Skills & Experience • Must be a U.S. Citizen. • Active Secret clearance; must be able to obtain TS/SCI clearance and DHS Suitability. • 8+ years of software engineering experience. • 4+ years performing data engineering in a cloud environment. • Experience with relational, NoSQL, and/or file-based storage (Databricks, Elastic, Postgres, etc.). • Experience with DevOps tools such as Jenkins, Docker, Ansible, Puppet, Chef, Splunk. • Working knowledge of Databricks, Cloud Relational Database Services, and Elasticsearch. Desired Skills • Experience with Databricks workflows, Unity Catalog, Autoloader, Delta Live Tables, Apache Spark. • Basic working knowledge of Apache NiFi. • Experience with collaboration tools (MS Teams, Outlook, SharePoint, Confluence). • AWS Professional certification or equivalent. Education Requirement • Bachelor’s degree in Software Engineering, Computer Science, or related discipline is required. • Ten (10) years of additional experience (for a total of 18+) may be substituted in lieu of a degree. Certifications (Preferred) • DoD 8570.1-M IAT Level I compliance certification (e.g., CISSP) highly desired. • AWS Professional-level certifications. Why Join QSS At QSS, you’ll help build mission-driven data engineering and software solutions that directly support national security. You’ll lead teams working on cutting-edge pipeline development, cloud platforms, and DevOps automation, while advancing your career with certifications, continuous learning, and leadership opportunities in a cleared environment. Employee Benefits • Competitive Compensation & Incentives • Premium Medical, Dental & Vision Plans • Generous PTO and Paid Holidays • 401(k) with Company Match