Database Engineer

SAIC•Washington, DC

16h•Onsite

About The Position

We are seeking a Senior Database Administrator Expert to lead enterprise database environments to AWS Cloud. The position requires expertise in AWS MySQL, with strong hands-on experience in MySQL cluster administration, PostgreSQL and SQL database technologies, including installation, configuration, maintenance, replication, backup/recovery, and performance tuning of enterprise database systems across both on-premises and AWS cloud environments. This role ensures the security, availability, reliability, and scalability of mission-critical PostgreSQL and MySQL databases supporting enterprise applications. The Senior DBA will drive database architecture, capacity planning, high availability design, disaster recovery strategies, automation of operational workflows, and enforcement of robust security practices across AWS environments. The candidate must be able to work independently and collaborate closely with stakeholders, application teams, and infrastructure engineers to streamline deployments, improve database reliability, and ensure consistent data operations across multiple environments. Strong troubleshooting and problem-solving skills are essential. Must be able to multitask effectively and perform well under pressure in a fast-paced, high-urgency environment. Ability to prioritize competing tasks, manage multiple incidents concurrently, and maintain attention to detail in a high-tempo operations setting. Comfortable working under tight deadlines, handling frequent context switches, and remaining calm during critical production incidents.

Requirements

Expertise in AWS MySQL, with strong hands-on experience in MySQL cluster administration, PostgreSQL and SQL database technologies, including installation, configuration, maintenance, replication, backup/recovery, and performance tuning of enterprise database systems across both on-premises and AWS cloud environments.
Ensures the security, availability, reliability, and scalability of mission-critical PostgreSQL and MySQL databases supporting enterprise applications.
Drives database architecture, capacity planning, high availability design, disaster recovery strategies, automation of operational workflows, and enforcement of robust security practices across AWS environments.
Must be able to work independently and collaborate closely with stakeholders, application teams, and infrastructure engineers to streamline deployments, improve database reliability, and ensure consistent data operations across multiple environments.
Strong troubleshooting and problem-solving skills are essential.
Must be able to multitask effectively and perform well under pressure in a fast-paced, high-urgency environment.
Ability to prioritize competing tasks, manage multiple incidents concurrently, and maintain attention to detail in a high-tempo operations setting.
Comfortable working under tight deadlines, handling frequent context switches, and remaining calm during critical production incidents.
Demonstrated success managing enterprise PostgreSQL and MySQL environments in hybrid (on-premises and AWS cloud) infrastructures.
Proven expertise in planning and executing cloud migration projects with strong hands-on experience in AWS cloud platforms.

Responsibilities

Provide in-person support several days per week, with availability for either the early shift (starting 7:00 AM) or late shift (ending 7:00 PM) as needed.
Install, configure, and maintain enterprise-level PostgreSQL and MySQL database platforms and supporting infrastructure across on-premises and AWS cloud environments.
Configure, manage, and optimize AWS database services including Amazon RDS for PostgreSQL, Amazon RDS for MySQL, Amazon Aurora, and MySQL Cluster environments.
Plan and execute migrations of PostgreSQL and MySQL databases from on-premises environments to AWS cloud platforms (IaaS and PaaS).
Design, implement, and maintain MySQL clustering, replication, failover, and high-availability solutions.
Contribute to database architecture and capacity planning to ensure scalability, reliability, performance, and security.
Design, implement, and maintain disaster recovery strategies for PostgreSQL and MySQL environments hosted on AWS.
Monitor the performance, integrity, and security of all database platforms and investigate anomalies and production incidents.
Perform routine database maintenance tasks including index optimization, query tuning, statistics updates, backups, and consistency checks.
Plan and perform database upgrades, patching, and migrations for standalone, clustered, and cloud-hosted database servers.
Oversee and lead migration projects, including lift-and-shift, modernization, and re-platforming efforts to AWS cloud environments.
Manage database accounts, roles, and permissions according to least privilege and compliance requirements.
Audit database activity and maintain comprehensive logs of configuration and schema changes for compliance and forensic analysis.
Implement encryption, secure connectivity (TLS/SSL), and other security controls for data at rest and data in transit.
Maintain detailed, version-controlled documentation for database environments, architecture diagrams, configurations, operational procedures, and runbooks.
Generate regular reports on database performance, capacity growth, availability, and usage trends for stakeholders.
Collaborate closely with development, infrastructure, cloud, and security teams to streamline deployments and accelerate incident resolution.
Mentor junior DBAs and establish operational best practices for AWS database administration, automation, and cloud migration initiatives.