Senior Database Administrator

General Dynamics Information Technology

Senior Database Administrator leading database reliability, performance, and security at GDIT. Collaborating on migrations and optimizing data services for enterprise environments.

Posted 5/16/2026full-timeRemote • 🇺🇸 United StatesSenior💰 $129,813 - $155,250 per yearWebsite

Tech Stack

Tools & technologies

AnsibleAWSCloudEC2LinuxPostgresPythonSQLTerraform

About the role

Key responsibilities & impact

Administer, configure, and maintain databases across Db2 for z/OS, Db2 LUW, SQL Server, PostgreSQL, and AWS
Manage schema design, indexing strategies, data partitioning, compression, and workload management for high-throughput transactional and analytical systems
Implement and verify backup/restore, HA/DR, log shipping, replication, and failover strategies (native tools and third-party solutions)
Conduct deep performance tuning: query optimization, execution plans, parallelism, memory, I/O, buffer pools, and connection management
Enforcement of security baselines: encryption (at rest/in transit), secrets management, key rotation (KMS/HSM) etc.
Build infrastructure-as-code patterns for database provisioning and configuration (e.g., Terraform, CloudFormation, Ansible)

Requirements

What you’ll need

8–12+ years of progressive DBA experience across Db2 (z/OS & LUW), SQL Server, and PostgreSQL, including production ownership in enterprise environments
Hands-on mainframe experience: TSO/ISPF, JCL, Linux, Db2 utilities, and performance analysis using SMF/IFC data and Db2 traces
Proven AWS experience running databases on RDS/Aurora and EC2, with strong knowledge of networking, storage, IAM, and monitoring (CloudWatch)
Expert-level performance tuning and query optimization; adept with execution plans, indexing, partitioning, and statistics maintenance
Strong command of backup/restore, replication, HA/DR, and business continuity across on-prem and cloud
Practical automation skills with PowerShell, Python, Bash, and mainframe scripting (REXX, JCL)
Solid grasp of security, compliance, and audit practices; experience with encryption, RBAC, auditing, and key management
Excellent communication, stakeholder management, and incident leadership under pressure.

Benefits

Comp & perks

Comprehensive benefits and wellness packages
401K with company match
Paid time off
Full-flex work week to own your priorities at work and at home
GDIT Paid Family Leave program providing a total of up to 160 hours of paid leave
Short and long-term disability benefits
Life, accidental death and dismemberment insurance
Personal accident, critical illness and business travel and accident insurance

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

Db2SQL ServerPostgreSQLAWSTerraformCloudFormationAnsiblePowerShellPythonBash

Soft Skills

communicationstakeholder managementincident leadership