Senior Oracle DBA – Vulnerability Management

Unisys•USA Remote, CT

About The Position

Unisys is seeking a Senior Oracle DBA to strengthen day-to-day support of its Oracle database environments, provide vulnerability management expertise, and mentor the existing team. The role includes installing, configuring, maintaining, backing up, recovering, and tuning Oracle databases on Linux and Unix. The successful candidate will lead remediation of database vulnerabilities, improve incident resolution and service resilience, and help reduce the team’s reliance on escalations. When operational capacity permits, the role also contributes to Oracle database projects and service improvements. The position supports Oracle Database environments including Oracle 19c, RAC, ASM, and Data Guard. It involves security hardening and compliance, vulnerability review and remediation, incident and change management, backup and recovery, high availability, database upgrades and migrations, scripting and automation, monitoring tools, capacity planning, stakeholder communication, mentoring, and documentation.

Requirements

BA/BS degree and 6–8 years of relevant experience, or an equivalent combination of education and experience.
Strong hands-on Oracle DBA experience in enterprise production environments.
Proven experience patching Oracle using OPatch, Release Updates, and Critical Patch Updates, and fixing vulnerabilities.
Experience with backup and recovery using RMAN and high availability using RAC and Data Guard.
Solid Linux/Unix skills, with scripting and automation experience using Bash, SQL, and PL/SQL.
Experience with incident, problem, and change management, using ITIL or a similar framework.

Nice To Haves

Experience with vulnerability scanning tools such as Tenable/Nessus, Qualys, or Rapid7, and Oracle security features such as Database Vault, TDE, or Unified Auditing.
Experience with Oracle Enterprise Manager and automation tools such as Ansible.
Exposure to Exadata or Oracle Cloud Infrastructure.
Experience mentoring or leading technical staff.
Relevant certifications such as Oracle Certified Professional or ITIL.

Responsibilities

Provide day-to-day support for Oracle Database environments, including Oracle 19c, RAC, ASM, and Data Guard; install, configure, upgrade, maintain, and tune database performance.
Lead Oracle database vulnerability remediation by reviewing scan findings, prioritizing risk, applying Release Updates and quarterly Critical Patch Updates, and making configuration and hardening changes.
Maintain compliance with security policies and hardening standards, including CIS Benchmarks and DISA STIGs; manage users and privileges, auditing, and encryption.
Work with Security teams to review Oracle security alerts, identify exposed databases, and plan fixes within agreed timeframes.
Resolve complex database incidents and problems, perform root-cause analysis, and implement permanent fixes to improve availability and reliability.
Maintain service resilience through tested backup, recovery, and high-availability setups using RMAN and Data Guard.
Handle incidents, problems, and changes through ITSM processes and meet service level agreements.
Mentor and coach team members, share knowledge, and document procedures to reduce reliance on escalations.
Plan and carry out database upgrades, migrations, and patch cycles with minimal service disruption.
Develop and maintain Bash, SQL, PL/SQL, and Ansible scripts and automation for patching, vulnerability fixes, health checks, and routine database tasks.
Evaluate, recommend, and maintain database monitoring and management tools, including Oracle Enterprise Manager.
Contribute to Oracle database projects, capacity planning, and service improvements as capacity permits.
Explain technical issues and risks clearly to non-technical stakeholders.
Maintain documentation, runbooks, and knowledge articles.