Senior AWS DB Admin — RDS, PostgreSQL & MySQL

Karsun Solutions, LLC; West Virginia; Hybrid; USD 150,000 - 165,000; Full time

Job summary

Karsun Solutions in the United States is seeking a Senior Database Administrator to support production applications, software development, and maintenance projects for government clients. You will manage MySQL and PostgreSQL in AWS, optimize performance, and implement security controls.

Candidates local to the DMV area may work hybrid; the role requires deep Linux DB expertise, RDS/Aurora experience, and collaboration with cross-functional teams to ensure reliability and compliance.

Qualifications

• Bachelor's degree in Computer Science or other IT degree; Engineering, math, and/or science degrees are acceptable substitute degrees
• Minimum of 15 years of relevant experience
• Expertise in MySQL (v5.7, 8.0) and/or PostgreSQL (v12-16) administration in an enterprise environment
• Significant experience with Amazon RDS or Aurora managed services
• Deep understanding of Linux-based database environments and open-source database internals
• Experience in Database Lifecycle Management (DLM)
• Experience in Data Scrubbing, Data Masking, Data Compare and Review
• Experience in improving Database user / systems authentication robustness
• AWS and/or Azure experience
• The ability to successfully obtain and maintain a U.S. Suitability/Public Trust Background Clearance

Responsibilities

• Provide database administration to MySQL and PostgreSQL databases engines within the AWS Cloud environment
• Install, configure, and maintain database instances, including managing RDS Parameter Groups, Option Groups and coordinating engine version upgrades/patches
• Manage database security and user permissions and privileges in accordance with application/database requirements including IAM Database authentication, VPC security groups and user permissions/privileges
• Develop and/or maintain database objects (tables, views, indexes) and optimize Vacuum (Postgres) or Buffer Pool (MySQL) settings
• Monitor and optimize database performance and tuning
• Manage and ensure compliance with database backup strategies
• Customer support to database and associated application development team, owners, and user stakeholders
• Maintain Database Lifecycle Management processes detailed by customer specifications
• Provide impact information on proposed changes to application and it's database structure
• Provide schedule and resource requirements to stakeholders concerning proposed changes to the application and associated database
• Provide sizing recommendations for any new databases or changes to existing databases, including user/data growth projection and the impact on the server memory and performance characteristics
• Participate in meetings with Solution Delivery Service staff and stakeholders
• Work with other database administrators to ensure optimal efficiency and optimization of databases, server clusters, replications, back-up strategies, and database services to customer and its customers.

Skills

MySQL

PostgreSQL

AWS RDS

Linux

Data security

Data masking

Data scrubbing

IAM

Security groups

U.S. clearance

Education

Bachelor's degree in Computer Science or related IT field

Tools

PostgreSQL Extensions

RDS/Aurora

KMS encryption

Job description

Karsun Solutions in the United States is seeking a Senior Database Administrator to support production applications, software development, and maintenance projects for government clients. You will manage MySQL and PostgreSQL in AWS, optimize performance, and implement security controls.

Candidates local to the DMV area may work hybrid; the role requires deep Linux DB expertise, RDS/Aurora experience, and collaboration with cross-functional teams to ensure reliability and compliance.