Independent senior database engineering · Pittsburgh, PAbajwa.sandeep@gmail.com
Sandeep S. Bajwa · Oracle Database Engineer

Production database experience that goes deep.

Bajwa Consulting provides hands-on Oracle database engineering, replication, performance, recovery, and operational support. The work is led directly by an engineer with decades of Oracle experience and current enterprise production responsibilities.

Oracle OCP across multiple generations500+ Oracle database estate experienceGoldenGate production administration
25+ yrsDatabase engineering experience
500+Oracle databases managed through OEM
8 → 19cOracle certification history
OCI AIGenerative AI Professional
Core consulting services

Senior support for business-critical databases.

Focused project work, difficult production troubleshooting, weekend maintenance, replication operations, or ongoing backup coverage for a primary DBA.

01
Oracle Administration & Operational Support

Availability, listeners, services, jobs, alert logs, tablespaces, datafiles, storage growth, capacity, patching, and production maintenance.

02
GoldenGate & Data Replication

Extract and Replicat operations, Classic and Microservices architectures, lag analysis, mapping errors, trail management, recovery, and migration support.

03
Performance Engineering

AWR/ADDM, waits, locking and blocking, SQL analysis, indexing, statistics, memory and configuration review.

04
Backup, Recovery & DR

RMAN, Data Pump, restore validation, recovery-readiness reviews, disaster-recovery exercises, and runbook development.

05
Upgrades, Migrations & Multitenant

Oracle modernization, CDB/PDB operations, cross-platform transport, cloning, cutover planning, and post-migration validation.

06
Monitoring, Automation & Security

OEM administration, Linux, Ansible, operational automation, access review, Database Vault considerations, and practical hardening.

Current enterprise work

Independent data and database engineering.

Since May 2026, current consulting work is with TCS as a Data Engineer, focused on database engineering and enterprise replication. The preceding PNC Bank engagement through Artech concluded in April 2026.

TCS

Independent Consultant · Data Engineer · May 2026–Present.

Database replication

Engineering and operational work around enterprise data movement and replication.

PNC Bank

Oracle Database Engineer · Artech LLC placement · May 2025–April 2026.

Credentials

Certification backed by long-term hands-on practice.

OCP

Oracle Certified Professional — Database Administration

Certification history spanning Oracle 8, 8i, 9i, 10g, 12c and 19c.

AI

OCI Generative AI Professional

Oracle Cloud Infrastructure 2025 Generative AI Professional.

1Z0-1127-25
DB

Production Oracle specialization

Administration, performance, recovery, OEM, GoldenGate, multitenant and operational engineering.

Professional endorsements

Trusted by database leadership.

“Sandeep is extremely knowledgeable and detail oriented DBA, and a pleasure to work with.”
Michael Gural
Sr. IT Professional · Former Manager
Professional testimonial and management endorsement from a senior database administration leader.
William Wolf
Director, Database Administration · Abarca Health

Need senior database help without adding another full-time role?

Send the platform, problem, timing, and production constraints. Start with the technical facts.

Contact Bajwa Consulting
Featured projects

Replication and database engineering built for production.

Selected technical work and project material covering enterprise Oracle operations, replication architecture, and repeatable engineering practices.

01

Oracle GoldenGate: One-Way & Multi-Master Replication

Detailed GoldenGate setup work covering one-way and multi-master (bi-directional) replication, with practical configuration and operational guidance.

02

Enterprise Replication Engineering

Design, administration and troubleshooting of production replication flows, with attention to recoverability, lag, data consistency and operational support.

03

Large Oracle Estate Operations

Database engineering and OEM-based monitoring experience across a 500+ Oracle database estate, including availability, performance, maintenance and recovery readiness.