- IQUASAR LLC
- Reston, VA
- Full-Time
- 74 days ago
Database Engineer.
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Database Engineer: our view in 3 lines...
- The Role:This role is for a database engineer focused on PostgreSQL-based data pipelines and cloud database work.
- The Person:The person will design and maintain PostgreSQL database architecture, optimize SQL performance, monitor ETL workflows, troubleshoot data issues, and manage backup and recovery strategies.
- Requirements:The ideal candidate has PostgreSQL, Python, AWS, SQL scripting, AWS Glue, Redshift, S3, Apache Spark, Apache Airflow, and an AWS Certified Database - Specialty certification is a plus.
About the role
One of our clients in Reston VA needs a Database Engineer for a permanent position.
- Position: Database Engineer
- Clearance: Public Trust or above
- Location: Reston VA
- Position Type: Full Time
- Database engineers will develop applications and data pipelines using PostgreSQL, Python and AWS.
- Design, develop, and maintain PostgreSQL database architecture for enterprise backend applications.
- Lead schema design, database migrations, versioning, and ensure backward compatibility.
- Optimize SQL queries, indexing strategies, execution plans, and overall database performance.
- Assist in identifying performance bottlenecks in PostgreSQL RDS. Apply basic performance tuning techniques like reviewing query execution plans, adding missing indexes, and recommending parameter adjustments.
- Monitor ETL workflows and data pipelines for errors, performance bottlenecks, and processing delays. Troubleshoot and resolve issues to ensure reliable and timely data movement.
- Provide support for data related issues and participate in root cause analysis.
- Configure and manage database backup and recovery strategies to ensure data integrity and availability in case of failures or data loss.
- Analyze database query performance and collaborate with developers to optimize SQL queries and schemas.
- Participate in continuous improvement initiatives to enhance the reliability, scalability, and performance of cloud databases.
- Assist in the design and optimization of database schemas for cloud environments.
- Familiarity with data pipeline concepts and technologies such as Kafka Connect, and ETL frameworks.
- Strong understanding of Amazon Glue, Redshift and S3.
- Exposure to Apache Spark for data processing.
- Basic understanding of Apache Airflow for workflow orchestration.
- Strong SQL scripting skills for querying and data manipulation.
- Strong experience with scripting languages (e.g., Python, Bash).
- Having ‘AWS Certified Database - Specialty’ certification is a plus.
- Bachelor's degree in computer science, Information Technology, or a related field.
- 5-8 years of experience in data Engineering, with a focus on AWS Glue, Python and PostgreSQL.
- 2-4 years of hands-on experience with PostgreSQL RDS
- Availability to start a new job
- Best Rates
- Contact
iQuasar LLC is a proud partner of the Military Spouse Employment Partnership (MSEP) and the Virginia Values Veterans (V3) Program, reflecting our strong commitment to supporting military spouses, veterans, and inclusive hiring practices. We are an Equal Opportunity Employer and do not discriminate based on race, religion, color, national origin, political affiliation, sex, sexual orientation, gender identity, age, marital/parental/veteran status, disability, genetic information, membership in an employee organization, retaliation, military service, non-merit factors, or any other characteristics protected by applicable law.
Flexible work from home options available.

