Senior Data Engineer (On-Site) — Secret Clearance

National Capitol Contracting, LLC; Norfolk (VA); On-site; USD 175,000 - 185,000; Full time

Job summary

National Capitol Contracting, LLC seeks a Senior Data Engineer to design, develop, and maintain scalable data pipelines, analytics platforms, and BI reporting systems essential for enterprise decision-making.

The role requires deep PostgreSQL DBA expertise, strong SQL and Python skills, and experience with Qlik Sense, Power BI, and Tableau. A current Active Secret clearance is mandatory, with at least nine years in data engineering or BI environments.

Qualifications

• Active Secret clearance required at time of application.
• BS degree in Computer Science or related field.
• 9+ years of data engineering, database administration, BI, or analytics experience.
• Strong PostgreSQL DBA experience including backup/recovery, security, and performance.
• Advanced SQL development and data transformation skills.
• Proficiency in Python for data engineering, automation and ETL.
• Experience designing and maintaining ETL/ELT pipelines.
• Experience with Qlik Sense dashboards, data modeling and reporting.

Responsibilities

• Design, build, and maintain scalable data pipelines and ETL/ELT processes.
• Integrate data from multiple structured and unstructured sources.
• Administer PostgreSQL DBAs: install, configure, security, backup, recovery, monitoring, performance.
• Develop, optimize SQL queries, stored procedures, views, and indexes.
• Perform database tuning, capacity planning, and troubleshooting.
• Develop Python-based data ingestion, transformation, automation, and reporting.
• Design enterprise data models and schemas for reporting and BI.
• Develop and support Qlik Sense dashboards, data models, and reporting solutions.
• Manage Qlik Sense connections, reloads, and security rules.
• Support Power BI and Tableau environments as needed.
• Monitor data quality and resolve data inconsistencies.
• Collaborate with stakeholders to gather requirements and deliver data solutions.
• Implement data governance and security controls.
• Lead initiatives and mentor junior engineers.
• Document architectures, data flows, ETL processes, and configurations.
• Ensure compliance with security and contractual requirements.
• Participate in project planning and continuous improvement.
• Provide production support and maintenance.

Skills

PostgreSQL DBA

SQL development

Python

Qlik Sense

Data architecture

ETL/ELT

Data governance

Security best practices

Education

Bachelor's degree in Computer Science or related field

Tools

Qlik Sense

Power BI

Tableau

Job description

National Capitol Contracting, LLC seeks a Senior Data Engineer to design, develop, and maintain scalable data pipelines, analytics platforms, and BI reporting systems essential for enterprise decision-making.

The role requires deep PostgreSQL DBA expertise, strong SQL and Python skills, and experience with Qlik Sense, Power BI, and Tableau. A current Active Secret clearance is mandatory, with at least nine years in data engineering or BI environments.