Poly)

Parsons Corporation•Columbia, MD

1d•$112,200 - $196,400•Onsite

About The Position

Parsons is seeking an experienced Database Administrator (DBA) with strong Linux systems administration and networking expertise. The DBA will support and maintain database systems hosted on Linux-based servers across both physical and virtual environments. This role includes ensuring database performance, reliability, and security while supporting the underlying Linux and network infrastructure required for distributed data operations. The ideal candidate will conduct daily database and system health checks, optimize performance, troubleshoot and resolve issues, coordinate upgrades, and collaborate with security personnel to maintain compliance. The ability to think critically, solve complex problems, and operate with minimal supervision is essential.

Requirements

Current TS/SCI clearance with Poly
Bachelor’s degree in a technology discipline and 8+ years of experience; additional experience may substitute for a degree
Experience administering Linux operating systems in support of enterprise applications or database workloads
Experience supporting virtual environments and deploying Linux-based services used by databases
Experience with Cisco network devices, including networking fundamentals essential to database connectivity
Strong understanding of core networking technologies (TCP/IP, UDP, firewall concepts) as they relate to secure and reliable database operations

Nice To Haves

Familiarity with modern data workflow tools such as NiFi
Experience with virtualization or container technologies (e.g., Docker) used to host database services
Familiarity with ELK or similar monitoring and logging stacks
Understanding of enterprise network services supporting authentication, logging, and distributed access control
Experience with automation tools such as Salt, Ansible, or Puppet
Experience with Atlassian tools (Confluence, Jira)
Background in network security, intrusion detection, and server/database monitoring
Experience installing or maintaining server and networking equipment in rack-mounted environments

Responsibilities

Perform daily maintenance and health checks for Linux-hosted database environments
Diagnose and resolve database, Linux system, and infrastructure issues in networked environments
Monitor and optimize both database and system performance using established tools
Plan and coordinate database upgrades, migrations, and scheduled system outages
Support network monitoring and maintain connectivity essential for database operations
Install and maintain server, storage, and networking equipment in datacenter environments
Document database architecture, configuration changes, and infrastructure updates
Work with the Information System Security Officer (ISSO) to maintain system authorization and compliance
Support occasional after-hours maintenance windows for critical database or system updates