Database Engineer

iQuasar, LLC; Reston (VA); Hybrid; USD 110,000 - 170,000; Full time

Benefits offered by this job

Health insurance

Vision insurance

Dental insurance

401(k) plan

Flexible work from home

Job summary

iQuasar LLC in Reston, VA is seeking a Database Engineer to design, implement, and optimize enterprise PostgreSQL data stores and data pipelines on AWS. The role emphasizes scalable database architectures, strong SQL, Python, and ETL skills for reliable data movement.

You will work with Glue, Redshift, S3, RDS, and lead migrations, tuning, backups, and performance improvements while collaborating with software teams.

Qualifications

• BS in Computer Science, Information Technology or related field.
• 5–8 years of data engineering experience with AWS Glue, Python, and PostgreSQL.
• 2–4 years of hands-on PostgreSQL RDS experience.

Responsibilities

• Develop applications and data pipelines using PostgreSQL, Python, and AWS.
• Design, develop, and maintain PostgreSQL database architecture for enterprise backend applications.
• Lead schema design, migrations, and versioning with backward compatibility.
• Optimize SQL queries, indexing, and performance.
• Monitor ETL workflows and data pipelines for errors and delays.
• Provide support for data issues and root-cause analysis.
• Configure and manage backup and recovery strategies.
• Collaborate with developers to optimize queries and schemas.
• Participate in cloud database reliability and scalability improvements.
• Assist in designing database schemas for cloud environments.

Skills

PostgreSQL

Python

AWS

Kafka Connect

ETL frameworks

Apache Spark

Apache Airflow

SQL scripting

Bash

Education

Bachelor's degree in Computer Science or Information Technology

Tools

PostgreSQL

Python

AWS

Redshift

S3

Kafka Connect

ETL frameworks

Apache Spark

Apache Airflow

SQL scripting

Bash

Job description

iQuasaris is looking to fill a Database Engineer position in Reston, VA. At iQuasar we strive to provide the next generation of cutting‑edge technologies. Our growth means exciting career opportunities for talented professionals in engineering, software development, and other key areas. We offer competitive compensation and benefits including health, vision, dental insurance, a matching 401(k) plan, and other benefits outlined below, excellent training, and a vibrant working environment. Our employees bring a strong sense of mission and integrity, giving us a competitive advantage.

One of our clients in Reston, VA needs a Database Engineer for a permanent position.

Position Details

• Position: Database Engineer
• Clearance: Public Trust or above
• Location: Reston, VA
• Position Type: Full Time

Responsibilities

• 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, and versioning, ensuring backward compatibility.
• Optimize SQL queries, indexing strategies, execution plans, and overall database performance.
• Identify performance bottlenecks in PostgreSQL RDS, applying tuning techniques such as reviewing 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.
• Analyze 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 designing and optimizing database schemas for cloud environments.

Skills

• 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.
• Experience with scripting languages such as Python and Bash.
• AWS Certified Database – Specialty certification is a plus.

Experience and Qualifications

• 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.

An Equal Opportunity Employer

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, or any other characteristics protected by applicable law.

Flexible work from home options are available.