Senior Oracle Cloud Infrastructure (OCI) Database Administrator

ECS Federal•ARLINGTON, VA

2d•Remote

About The Position

ECS is seeking a mission-driven Senior Oracle Cloud Infrastructure (OCI) Database Administrator to support high-consequence, mission-critical DHS systems. This is a hands-on technical role focused on day-to-day administration, optimization, and security of cloud database environments, with significant emphasis on complex data transfers and system migrations. The position is the primary custodian of database operations, supporting migration of legacy workloads into OCI, management of data flows across secure networks, maintenance of Oracle Exadata systems, and use of Oracle 26ai capabilities for database efficiency. The role also supports maximum uptime, rigorous patch management, and compliance with federal data security standards. The position administers production databases on Oracle Exadata Cloud Service and Dedicated Infrastructure, as well as OCI database services and Autonomous Database environments. It manages multitenant databases and Autonomous Container Databases; plans and executes legacy Oracle migrations into OCI; and supports database upgrades and transitions to Oracle 26ai. Additional responsibilities include performance tuning, high availability and disaster recovery, backup and recovery, continuous security patching, vulnerability remediation, and compliance with DHS and DISA STIGs.

Requirements

U.S. citizenship; dual citizenship is not permitted.
Ability to obtain the required public trust suitability.
Bachelor’s degree.
At least 6 years of relevant professional experience.

Responsibilities

Manage and maintain production databases hosted on Oracle Exadata Cloud Service (ExaCS) and Dedicated Infrastructure.
Perform daily administration of OCI database services, including monitoring, space management, and resource optimization in Autonomous Database environments.
Administer multitenant environments, including the daily lifecycle, cloning, and resource allocation of Container Databases (CDBs) and Pluggable Databases (PDBs).
Configure and maintain Autonomous Container Databases (ACDs) for stable, isolated agency workloads.
Plan, test, and execute migrations of legacy on-premises Oracle workloads into OCI using Oracle Data Pump, Transportable Tablespaces, and Zero Downtime Migration (ZDM).
Manage secure data transfers across security domains and federal networks in compliance with DHS data transit policies.
Support database upgrades and transitions to Oracle 26ai, transferring schemas, metadata, and tablespaces with minimal operational disruption.
Perform performance tuning, diagnostics, and query optimization using AWR, ADDM, ASH, and execution plan analysis.
Maintain High Availability and Disaster Recovery configurations using Active Data Guard at CDB and individual PDB levels.
Oversee database backup and recovery using RMAN, OCI Object Storage, and localized backup policies to guarantee zero data loss.
Perform continuous security patching, including Quarterly CPUs/PSUs, and vulnerability remediation across database environments.
Harden and maintain databases in compliance with DHS and DISA Security Technical Implementation Guides (STIGs).