Sr Oracle Database Administration

TekWissen LLC; Chennai District, Bengaluru; Hybrid; INR 3,000,000 - 6,000,000; Full time

Job summary

TekWissen LLC is hiring a Senior Oracle Database Administrator for PAN India operations. The role supports on-premises and OCI environments, including RAC, Data Guard, and Exadata, ensuring high availability, security, and performance across enterprise systems.

You will lead database provisioning, migrations, backups with RMAN, and engage with stakeholders to align with ITIL processes and SLAs. Ten years of relevant experience and Oracle certifications are preferred.

Qualifications

• Bachelor's degree in Computer Science or IT.
• Oracle certifications (DBA/OCI/Security) preferred.
• 10+ years of experience in enterprise, high-availability database environments.
• Experience with cloud migrations and modernization (OCI).
• Strong troubleshooting and stakeholder management skills.

Responsibilities

• Manage full database lifecycle: install, configure, upgrades, patching, decommissioning.
• Provision databases, schema management, storage optimization.
• Perform migrations and modernization initiatives.
• Implement Oracle RAC, Data Guard, and ASM environments.

Skills

Oracle DBA

PL/SQL

SQL tuning

Performance tuning

Incident management

OCI

Hybrid architecture

Education

Bachelor's degree in CS/IT

Oracle certifications

Tools

Oracle Enterprise Manager

RMAN

Exadata

Data Guard

ASM

OKV

OCI monitoring tools

Job description

Overview:

TekWissen is a global workforce management provider throughout India and many other countries in the world.The below job opportunity is to one of our clients who is a part of a trusted global innovator of IT and business services headquartered in Tokyo. We help clients transform through consulting, industry solutions, business process services, IT modernization and managed services. This client enables us to move confidently into the digital future. This client committed to Long Term success and combine global reach with local client attention to serve them in over 50 Countries.

Position: Sr Oracle Database Administration

Location: PAN India

Work Type: Hybrid

Job Type: Full Time

Job Description:

• The Client is seeking a highly skilled Oracle Database Administrator to support enterprise database environments across on-premises and cloud platforms.
• Acts as a key resource responsible for administration, maintenance, and optimization of Oracle database environments supporting enterprise applications.
• Ensures high availability, performance, and security while delivering services aligned to ITIL processes, SLAs, and operational standards.
• This role ensures high availability, performance, security, and compliance of database systems across on-premises and cloud platforms.
• The position supports mission-critical environments support both on-premises and Oracle Cloud Infrastructure (OCI) environments, including RAC, Data Guard, ASM, Exadata and modernization initiatives.
• This role contributes to proactive monitoring, incident resolution, and continuous improvement in database services.

Primary Responsibilities

Database Administration & Lifecycle Management

• Manage full database lifecycle including installation, configuration, upgrades, patching, and decommissioning
• Perform database provisioning, schema management, and storage optimization
• Execute database migrations, upgrades, and platform modernization initiatives

High Availability & Disaster Recovery

• Implement and manage Oracle RAC, Data Guard, and ASM environments
• Design and support disaster recovery strategies and failover mechanisms
• Ensure business continuity through resilient architecture and validation testing

Performance Tuning & Optimization

• Monitor database performance and conduct query optimization, indexing, and partitioning strategies
• Perform capacity planning and performance trend analysis
• Leverage OEM and OCI observability tools for proactive monitoring

Backup, Recovery & Data Protection

• Define and execute backup strategies using RMAN and enterprise tools
• Perform database recovery, restore, and disaster recovery drills
• Ensure data integrity and compliance with recovery SLAs

Security & Compliance

• Implement database security controls including encryption, access control, and auditing
• Manage Oracle Security, Oracle Key Vault (OKV), and compliance requirements (SOX, HIPAA, etc.)
• Apply patches and security hardening practices aligned with policies

Cloud & Platform Modernization

• Administer Oracle Cloud Infrastructure (OCI) environments
• Support cloud migration, hybrid architecture, and database transformation initiatives
• Implement OCI services including monitoring, logging, and automation frameworks

Incident, Problem & Change Management

• Troubleshoot and resolve database incidents and performance issues
• Conduct root cause analysis and implement preventive measures
• Participate in CAB processes and change management workflows

Stakeholder & Project Management

• Collaborate with application teams, infrastructure teams, and business stakeholders
• Lead or support database-related projects and initiatives
• Provide status reporting, documentation, and knowledge transfer
• Oracle Database Administration (Core DBA)
• Oracle Exadata Administration
• Oracle RAC, ASM, Data Guard
• Oracle Key Vault (OKV) & Security Administration
• PL/SQL, SQL tuning & performance optimization
• Backup & Recovery (RMAN)
• Oracle Enterprise Manager (OEM)
• Oracle APEX Development

Secondary / Preferred Skills:

• Oracle Cloud Infrastructure (OCI)
• Automation tools knowledge (Ansible, AWX) would be plus
• Replication tools (GoldenGate)

Experience Requirements:

• Years of Experience: 10+ years
• Experience supporting enterprise, high-availability database environments
• Experience with cloud migrations and modernization initiatives preferred

Education & Certifications

• Bachelors degree in Computer Science / IT or equivalent experience
• Oracle certifications (DBA / OCI / Security) Preferred

Soft Skills & Competencies

• Strong troubleshooting and analytical skills
• Ability to manage critical production environments
• Effective communication and stakeholder management
• Ability to work in fast-paced, SLA-driven environments
• Team collaboration and mentoring capabilities

TekWissen® Group is an equal opportunity employer supporting workforce diversity