Senior PostgreSQL Database Engineer

General Dynamics Information Technology • St. Louis, MO

2d • $124,093 - $154,100 • Onsite

About The Position

General Dynamics Information Technology (GDIT) is seeking a Senior PostgreSQL Database Engineer to support the operation, design, and continuous improvement of database capabilities for a mission-critical system. The role combines hands-on PostgreSQL administration with database engineering and architecture. The engineer will serve as the team’s primary database subject matter expert, partnering with software developers and systems engineers to maintain reliable database operations and improve performance, design, security, and maintainability.

The environment uses PostgreSQL for transactional and analytical workloads and OpenShift for application deployment. The position is on-site at the customer location. Active TS/SCI clearance is required, along with the ability to obtain and maintain a polygraph; sponsorship may be available. The position requires U.S. citizenship and is scheduled for 40 hours per week, with no travel required.

The likely salary range is $124,093–$154,100. Compensation may vary based on experience, geographic location, and contractual requirements. GDIT describes benefits including medical, dental, vision, 401(k) with company match, paid time off, disability and life insurance, and wellness offerings.

Requirements

• Active TS/SCI security clearance and ability to obtain and maintain a polygraph; polygraph sponsorship may be available.
• U.S. citizenship required.
• Bachelor’s degree in Computer Science, Information Technology, or a related technical discipline, or equivalent education, training, certifications, and experience.
• Five or more years of experience in database administration, database engineering, database architecture, or a related technical discipline.
• Hands-on experience administering and supporting PostgreSQL databases.
• Experience with relational database design, data modeling, SQL, schema development, indexing, and query optimization.
• Experience troubleshooting database issues and managing database users, roles, permissions, and configurations.
• Experience with database backups, restores, upgrades, and routine maintenance.
• Working knowledge of database high availability, replication, and disaster recovery concepts.
• Ability to collaborate with developers and infrastructure engineers to resolve technical issues and improve system performance.
• Strong analytical, troubleshooting, documentation, and communication skills.

Nice To Haves

• Experience supporting PostgreSQL in OpenShift, Kubernetes, containerized, or Linux-based environments.
• Experience with PostgreSQL replication, failover, connection pooling, or high-availability technologies.
• Experience with database monitoring, logging, alerting, and performance diagnostics.
• Experience supporting transactional and analytical data workloads.
• Experience with database automation, scripting, infrastructure as code, or repeatable deployment practices.
• Experience planning and executing database migrations, upgrades, and modernization initiatives.
• Familiarity with database security practices in regulated or classified environments.
• Experience with Oracle database administration or Oracle-to-PostgreSQL migration.
• CompTIA Security+ certification or equivalent, as required by the applicable customer environment.

Responsibilities

• Administer PostgreSQL databases, including configuration, user accounts, roles, permissions, routine maintenance, patching, upgrades, and operational troubleshooting.
• Develop and refine database architectures, schemas, data models, indexing strategies, and data access patterns to support application functionality, performance, and changing requirements.
• Analyze SQL queries and execution plans, identify performance bottlenecks, and improve queries, indexes, database configuration, and resource utilization.
• Collaborate with platform and application teams to support PostgreSQL deployment, connectivity, configuration, monitoring, and operational integration with OpenShift-based systems.
• Implement and maintain backup and restore procedures, validate recovery processes, and support high-availability, replication, and disaster recovery capabilities.
• Configure and maintain database monitoring, logging, alerting, capacity tracking, and operational reporting to proactively identify and resolve issues.
• Advise software developers on schema design, SQL development, transaction management, data access patterns, and database integration.
• Identify and implement practical improvements to database performance, reliability, scalability, and maintainability.
• Plan and execute database upgrades, migrations, configuration changes, and modernization efforts while minimizing operational risk and service disruption.
• Document database architecture, configurations, security controls, operational procedures, and recommended engineering practices.
• Apply access controls, least-privilege permissions, auditing, and other security practices according to customer and system requirements.
• Serve as the primary database technical resource for the engineering team, assisting with troubleshooting and decisions about database design and operations.

Benefits

• Medical plan options, including some with Health Savings Accounts
• Dental plan options
• Vision plan
• 401(k) plan with company match
• Paid time off, including vacation, sick and personal time, holidays, and paid parental, military, bereavement, and jury duty leave
• Full flex work weeks where possible
• Short- and long-term disability benefits
• Life insurance
• Accidental death and dismemberment insurance
• Personal accident, critical illness, and business travel and accident insurance
• Wellness packages

What This Job Offers

• Job Type: Full-time
• Career Level: Senior