Gurvinder Singh

Seasoned Unix/Linux and Oracle Database Administrator with 24+ years of IT experience spanning enterprise system administration, Oracle database management, and SAP Basis support. Proven expertise in AIX/Linux administration, Oracle database installation, migration, backup/recovery, performance tuning, and troubleshooting in mission-critical environments. Strong track record of managing large-scale infrastructure projects, database upgrades, and data center migrations with minimal downtime.

Adept at collaborating with stakeholders, leading teams, and ensuring high availability and performance of systems.

Senior System Lead - Kyndryl Solutions Pvt. Ltd.

(2020-08)

• Administer and manage AIX servers (300+ LPARs) and Oracle DB environment.
• Lead AIX/Linux estate migration to Vodafone/Kyndryl DC with minimal downtime.
• Provide day-to-day service delivery and technical leadership for Unix and Oracle DB.
• Collaborate with application teams for Oracle DB change management, patching, and troubleshooting.

General Manager (Head IT SAP Infra/Basis) - Trident Ltd.

(2019-06 - 2020-08)

• Designed infrastructure for S4HANA migration (AIX → VMware) including CPU/memory sizing and Dell hardware procurement.
• Oversaw DBA, SAP Basis, Unix/Windows Admin, and Backup teams.
• Performed Oracle database monitoring, tablespace administration, backups, and refresh (PRD → QA).
• Executed Oracle & HANA DB patching/upgrades and performance tuning.
• Managed storage migration from IBM V7000 to Hitachi VSP.

Service Delivery Manager - IBM India Ltd.

(2016-08 - 2019-06)

• Delivered SAP and Oracle DBA services across large landscapes.
• Directed Oracle DB upgrades, advanced compression, and patching.
• Performed Oracle/HANA system refreshes (PRD → QA).
• Lead incident management, troubleshooting, and performance tuning activities.

General Manager IT - Trident Ltd.

(2015-03 - 2016-07)

• Managed SLA, escalation, and project delivery for SAP/Oracle systems.
• Lead migration of SAP QA Landscape between data centers.
• Installed and configured Oracle DB, managed backups & archive logs with brtools.
• Tuned DB parameters (spfile/pfile), performed system refresh and support package implementation.

Consultant (Team Lead) - Dell Services

(2008-05 - 2015-02)

• Managed team of Unix/Linux admins and Oracle DBAs.
• Handled Oracle DB patching/upgrades, OS migrations, and consolidation projects.
• Provided DBA escalation support and vendor coordination.

Sr. System Administrator - ACS India Pvt. Ltd.

(2007-04 - 2008-05)

• Administered AIX/Linux for SAP and Oracle Apps in GPFS/HACMP.
• Performed DB and system recovery, DR activities, and backup management.

System Administrator - IBM India Pvt. Ltd.

(2006-02 - 2007-04)

• Supported Oracle DB and AIX/Linux systems for SAP/Oracle Apps.
• Managed DB backups (TSM), recovery, patching, and monitoring.

System Administrator - Wipro Infotech

(2005-07 - 2006-01)

• Installed and upgraded AIX on RS/6000 P-Series systems.
• Performed user administration, filesystem management, and system backups.

Sr. Customer Support Engineer - Spectra Computech Pvt. Ltd.

(1997-08 - 2005-07)

• Lead team managing AIX/Unix systems at banking and government clients.
• Handled backups, LPAR administration, printer/server management.

Customer Support Engineer - Prime Computers

(1996-01 - 1997-07)

• Installed/configured PCs, maintained software/hardware, and preventive maintenance.

B.E. - Electronics & Communication - Gulbarga University (1991)