What are the responsibilities and job description for the Senior Database Administrator (Sr. DBA) position at Changeis, Inc.?
Place of Performance: Atlantic City, NJ or Boonsboro, MD (onsite required)
Role Summary: Designs, implements, and maintains secure, high-performance database infrastructure supporting surveillance data distribution to DoD, DHS, and LE agencies, with primary focus on high availability, disaster recovery, and mission continuity.
Critical Job Functions:
Role Summary: Designs, implements, and maintains secure, high-performance database infrastructure supporting surveillance data distribution to DoD, DHS, and LE agencies, with primary focus on high availability, disaster recovery, and mission continuity.
Critical Job Functions:
- Design, implement, and maintain secure, high-performance relational and non-relational databases supporting Linux, Windows, and cloud platforms
- Implement and manage HA/DR features including replication, clustering, geo-redundancy, and automated failover to support the 99.999% availability target
- Conduct backup and recovery testing to validate disaster recovery procedures; develop and maintain technical documentation for failover procedures, RPO, and RTO
- Optimize database performance through query tuning and capacity planning; ensure resilience to outages and support continuity of operations
- Perform data migration and restoration testing to validate reliability during DR events; participate in periodic DR drills and failover exercises
- Manage and track configuration baselines for all database CIs in coordination with the CM team (Task 3), including version control, change tracking, and rollback planning
- Perform patch management and updates for database operating systems, applications, and firmware to ensure compliance, security, and stability
- Monitor and analyze database logs, alerts, and telemetry to proactively identify and address potential failures before they impact operations
- Perform security maintenance tasks including vulnerability remediation, compliance patching, and verification of security hardening standards against CIS guidelines
- Develop technical documentation including system architecture documents, network/database diagrams, and operational procedures; deliver within 10 days of COR request
- Support asset correlation for database systems — mapping CVEs/KEVs to known database software/versions and providing remediation recommendations