Senior Database Architect – Oracle & NoSQL, On‑Call

Crimson Phoenix; Springfield (VA); On-site; USD 100,000 - 130,000; Full time

Job summary

Crimson Phoenix is seeking a capable Database Administrator to support and optimize Oracle and multi‑platform environments, including Linux servers, backups, and security compliance.

You will administer Oracle, MSSQL, PostgreSQL, MySQL, and NoSQL systems, perform RMAN backups, data guard, and disaster recovery, and collaborate with stakeholders to keep systems reliable and secure.

This role requires after‑hours on‑call rotations and strong problem solving, scripting, and cross‑team communication.

Responsibilities

• Support and administer Oracle RDBMS environments, including Oracle Grid Infrastructure, ASM, Data Guard, and Oracle Enterprise Manager Cloud Control.
• Provide database administration across multiple platforms: Oracle, MSSQL, PostgreSQL, MySQL, and NoSQL systems (MarkLogic, MongoDB, DynamoDB).
• Perform routine backup, restore, and disaster recovery operations using RMAN, snapshots, and archive log management.
• Troubleshoot system, database, hardware, and network issues; analyze performance and resolve complex technical problems.
• Create and execute ad‑hoc SQL queries for diagnostics, analysis, and issue resolution.
• Manage and maintain Linux operating systems and associated file systems.
• Develop and maintain administrative scripts in various languages.
• Conduct regular server audits to ensure compliance with standards, policies, and configuration guidelines.
• Maintain user accounts and ACLs on network file systems.
• Support system-level changes, assess impacts, and participate in technical exchanges with stakeholders.
• Ensure compliance with IT security, accreditation, and enterprise policies.
• Provide exceptional customer service to internal teams, external partners, and vendors.
• Participate in after‑hours and on‑call rotations as needed.

Job description

Crimson Phoenix is seeking a capable Database Administrator to support and optimize Oracle and multi‑platform environments, including Linux servers, backups, and security compliance.

You will administer Oracle, MSSQL, PostgreSQL, MySQL, and NoSQL systems, perform RMAN backups, data guard, and disaster recovery, and collaborate with stakeholders to keep systems reliable and secure.

This role requires after‑hours on‑call rotations and strong problem solving, scripting, and cross‑team communication.