Profileimage by L Dhanu Associate Consultant, Apps DBA Lead and AWS Solutions Architect from Chennai

L Dhanu

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Last update: 06.09.2022

Associate Consultant, Apps DBA Lead and AWS Solutions Architect

Graduation: B.E Information and Technology
Hourly-/Daily rates: show
Languages: English (Full Professional)

Skills

Oracle Application DBA, backup, database, shell scripts, databases, backups, user accounts, access rights, Oracle Apps, Cloud, AWS, Oracle, RDS, Database Migration, coding, quality assurance, Database Administration, Telnet, system security, Oracle Database, 11g & 12c, 19c, RAC, Physical Standby, Exadata X3-2, Oracle Database Appliance X5, EBS R12, EBS R12.2, Apex 5, Weblogic, GRC 8.6.6.13, RMAN(Backup and Recovery), EXPDP/IMPDP, Cold Backups, SQL, PL/SQL, PHP, HTML, Shell, Batch, Perl (Basic), Toad, PL/SQL Developer, Workflow, Putty, WINSCP, VNC Viewer & BI Publisher, Template Viewer, Operating System, RHEL 5, 6 and 7, OEL, IBM Aix 6.1 Power System, HP - UX Itanium(64), Server R2 2008 & 2010, Compute EC2, ELB, ECS Services, VPC, Route53, Security Group, DynamoDB Storage S3, S3 Glacier, AWS Backup Management Services Terraform, CloudWatch, AutoScaling, CloudFormation, CloudTrial, Security, Identity, SSO, Application Integration, Simple Notification Service, CI/CD Git, Jenkins, Ansible, YML, CodeCommit, CodeDeploy, Middleware, IBM-Aix OS, DB 11g, EBS R12.1.3, OVM 3.1, DB, EBS R12.1.2, R12.2.8, EBS R12.1, EBS 12.2, R12, EBS R12.2.6 and DB, HP-UX, Itanium, Oracle E-Business Suite, RHEL, Oracle Apps DBA, RAC EBS R12, AWS Cloud migration, ERP, EC2, network security, network topology, VPN, Apps DBA, Oracle EBS, Cloud Infrastructure (DBaaS, IaaS, OVM, 1.3 & R12.2.8, IBM-Aix OS level Cluster Architecture, EBS R12.2.6, Linux 6, RAC for EBS R12.2.5, 11i, IBM AIX -6, DMZ, RHEL 5.7, Windows Server 2008, R2, 11g, OEM, & R12.2, Oracle apps r12, Apex 4.2, 5.0, E-Business Suite, Server Migration, IBM, Power 7, Oracle Database 11g & 12c, 19c Weblogic, GRC, 12c, Weblogic 12.1.3, Solaris SPARC, Application Access Control Governance, Dataguard, Oracle Enterprise Manager, OEM grid, crontab, Microsoft SQL Server, Microsoft SQL Server 2012, 2014, log shipping, SQL Server Management Studio, SQL servers, SQL Server, DG4ODBC, IAM, S3, CloudFront, log files, Amazon RDS, MySQL

Project history

09/2020 - 09/2020
Oracle Apps & Fusion Middleware DBA - Onsite Support

EBS Implementation Project:

Client: Department of Finance, Abu Dhabi.
Role: Oracle Apps & Fusion Middleware DBA - Onsite Support
Environment: EBS R12.2(IBM-Aix OS level Cluster Architecture)
Implementaion Governance Risk and Compliance Installation and Implementation (CCG,AACG,TCG
and PCG)

09/2020 - 09/2020
Orale Apps DBA Lead - Onsite

Client: ADNIP (Abu Dhabi)
Role: Orale Apps DBA Lead - Onsite
Environment: DB 11g and EBS R12.1.3 on OVM 3.1
Implementaion Upgraded DB & Application from
DB 11.1.0.7 to 12.1.0.2 and EBS R12.1.2 to R12.2.8

09/2020 - 09/2020
Oracle Apps and Fusion Middleware DBA
Panasonic Inc.

Environment: EBS R12.1 and EBS 12.2
Implementaion EBS R12.1 Upgrade from DB(11.2.0.4) and EBS R12.1.3 -to- EBS R12.2.6 and
DB(12.1.0.2)

Client: India Pistons Pvt. Ltd., Onsite Support, Mumbai & Chennai.
Role: Apps DBA Consultant
Environment: HP-UX Itanium - Oracle E-Business Suite R12.1 with Database 11.2.0.4
Implementaion Cross Endian Platform Migration (HP-UX Itanium to RHEL 7)

09/2020 - 09/2020
Oracle Apps DBA

AWS Cloud Implementation Project:

Client: AHCL (Abdullah Hashim Company LTD, Saudi Arabia)
Role: Oracle Apps DBA
Environment: Exadata X3-2 with Two node RAC EBS R12
Implementaion Migration of Oracle Database and EBS to AWS

Responsibilities
* On-premise to AWS Cloud migration of Oracle Database and ERP application to EC2.
* Worked on EC2 for compute and VPC & Route53 for network security. Created a network topology
in a secured way with public and private subnets.
* Configured two way tunnel VPN for accessing the ERP application.
* To maintain steady, predictable performance of the application and database, enabled Auto
Scaling for the EC2 instances.
* Enabled AWS CloudWatch to monitor the resources.

ORACLE Cloud Implementation Project:

Client: Transguard - Emirates Groups (Dubai HQ- UAE)
Role: Oracle Apps DBA
Environment: ODA X5, 2 Node RAC, Multi Node EBS R12.1
Implementaion Oracle EBS R12 migration from On-Premises to Oracle Cloud Infrastructure
(DBaaS & IaaS)



Support Project:

Client: Transguard - Emirates Groups (Dubai HQ - UAE)
Role: Oracle Apps DBA - Onsite
Environment: ODA X5, 2 Node RAC, Multi Node EBS R12.1

Client: ADNIP (Abu Dhabi)
Role: Oracle Apps DBA - Onsite
Environment: 2 Node - RAC on OVM 3.1 - EBS R12.1.3 & R12.2.8

09/2020 - 09/2020
Apps DBA Consultant

Client: Honda Car India Pvt. Ltd., Greater Noida
Role: Apps DBA Consultant - Onsite
Environment: EBS R12.1.3 (IBM-Aix OS level Cluster Architecture)

09/2020 - 09/2020
Lead Apps DBA Consultant - Offshore

Client: IHCC - Saudi Arabia: Jeddah
Role: Lead Apps DBA Consultant - Offshore
Environment: EBS R12.2.6 (Linux 6)

Client: 1800 Flowers
Role: Apps DBA Consultant
Environment: Support on 4 Node - RAC for EBS R12.2.5

Client: Forbes Marshal
Role: Oracle Apps DBA (11i & R12.1.3)
Environment: IBM AIX -6, EBS R12.1 & DMZ Node, RHEL 5.7

Client: Thermos
Role: Apps DBA (Associate Consultant)
Environment: Windows Server 2008-R2

Client: Sri Renganathan Industries
Role: Core DBA (Associate Consultant)
Environment: OEL 5.6 , Oracle Database 11g (2 Node RAC instance),OEM Monitoring


Project Roles & Responsibillities: ( Across all the above Projects)

Oracle EBS R12 & R12.2:
* Upgraded EBS R12.13 to EBS R12.2.6
* Provided 24*7 Support to Oracle 2 node RAC with multi tier EBS R12 on Exadata X3-2.
* Provided support to Oracle Database Appliance ODA X5 with 2 node RAC and Multi node EBS R12.
Provided very secured support for the Number 1 security company of UAE Emirates with signing
the DBA agreement.
* Performig all Database Provisioning tasks, such as Creating infrastructure for the
development, technical and functional team. Cloning, Patching(DB and AD), Troubleshooting,
Performance tuning etc.
* Administering oracle Database in 24*7 and troubleshooting issues with applications deployed on
Oracle EBS
* Applying patches in all the modules of EBS R12.2.6 and very good knowledge of working with
ADOP Phases.
* Performing Oracle MWA installation/configuration and configuring the Dispatcher
* Troubleshooting MWA issues
* Configuring the hand held devices for the scanning the material's LPN using Oracle Telnet
Services
* Troubleshooting issues with Oracle apps r12 and Apex 4.2, 5.0 and providing apps DBA
* Performing the Cross Platform Migration of E-Business Suite R12 and Database 11.2.0.1 from
HP-UX(Big Endian) to RHEL 7(Little Endian)
* Working on the implementation and support of Goods & Service Tax (GST) set-up.
* Cloning the EBS instances for the DEV team
* Resolving major issues
* Block corruption recovery
* Workflow notification and Approval issues
* OPP issues(concurrent program does'nt generate output)
* All types of Concurrent request issues(Long running, Error, etc)
* Worked on Database and Application, storage and Server Migration from IBM Aix - Power 7 to
Power 8 processor
Patching done in adpatch,opatch and other OS patches also


Oracle Database 11g & 12c, 19c Weblogic, GRC :
* Installation of Oracle Governance Risk and Complaince (GRC) in 12c Database and Weblogic
12.1.3 on Solaris SPARC 11.2 64 bit Server.
* Installed Application Access Control Governance.( AACG 8.6.6)
* Installed Transaction Control Governor .(TCG 8.6.6)
* Installed Preventive Control Governor. (PCG 7)
* Developing automated shell scripts
* Configuring and Monitoring RAC and Dataguard instances.
* Monitoring Database through Oracle Enterprise Manager(OEM).
* Installing OEM 11g Agent and integrating DB with OEM grid
* Driving automation for instance monitoring through Shell and batch scripts and scheduled in
crontab and windows task scheduler.

Microsoft SQL Server :

* Support provided for Microsoft SQL Server 2012, 2014, 2016(Standard and Enterprise).
* Worked on planning and implementing Disaster Recovery for 5 physical Servers using 'Always on
availability groups'. (Primary site in Dubai and Secondary in Abu Dhabi)
* Worked on log shipping and mirroring.
* Having good working skills on SQL Server Management Studio.
* Good skills on monitoring all the SQL servers using DBWatch and troubleshooting the issues log
size, disk spaces, blocking sessions, performance degradation.
* Creating link servers between Oracle and SQL Server using DG4ODBC

09/2020 - 09/2020
AWS Certified Solution Architect - Associate

* Worked on AWS services like IAM, VPC, EC2, ELB, S3, CloudFront, RDS, Route 53, CloudWatch etc.
* Created and configured VPC, Subnets, NACLs and security groups.
* Created S3 buckets, stored DB backup files, log files and other flat files to S3 and assigned
lifecycle policies.
* Launched and configured Amazon RDS for MySQL.
* Hands on experience on creating/Managing AMI, Snapshots and EBS Volumes.
* Configured Autoscaling.
* Upgraded / downgraded AWS resources like CPU, Memory, EBS volume size etc.
* Enabling Cloud watch monitoring for various services likeS3, EC2, RDS, etc
* Launched RDS instance, configured security groups, launched an EC2 instance and installed
Message Queues software on it for a project.
* Setup/Managing VPC, Subnets and Security groups.
* Create/Managing buckets on S3 (CLI) and store DB and logs backup.
* Hands on experience on ELB Configuration.
* Hands on experience on troubleshooting connectivity issues between different servers/Services.
* Experienced in creating multiple VPC's and public, private subnets as per requirement and
distributed them as groups into various availability zones of the VPC

03/2020 - 09/2020
AWS Solution Architect - Consultant and Oracle RDS Database Migration Specialist
UST Global

Significant Accomplishments:
* Collaborated with end-users and department managers for capacity planning and development
* Worked with application support staff in developing database architectures, coding standards, and
quality assurance policies and procedures
* Designed and implemented policies and procedures for disaster recovery and data archiving to
ensure effective protection and integrity of data assets
* Mentored a diverse Database Administration (DBA) team of personnel with resources in multiple
locations
* Optimized system/database operations and resource utilization. Performed system capacity analysis
and planning


NOTABLE ACCOMPLISHMENTS ACROSS CAREER


* Installed and Configured all the modules of Oracle Governance Risk & Compliance(AACG, CCG, PCG
and TCG) within project duration. Provided solutions for product level issues.
* Appreciated for successfully resolving critical 'Telnet Mobile hand-held device hanging issue in
6 warehouses across India'. This device was used for inbound & outbound scanning transaction.
This helped in revenue augmentation, increment in transactions per day and decrease in delivery
time & labor charges
* Appreciated for offering excellent customer service in all the projects & earned customer trust.
* Enrolled users, maintained system security, controlled and monitored user access to the database
operating in 24*7 with 450-500 concurrent users at any given time
* Successfully eliminated months of production server issues by systematically troubleshooting and
resolved the problem with no further downtime

10/2017 - 09/2020
Delivery Manager
AppsysGlobal Inc


05/2013 - 09/2020
Associate Consultant
Doyen System

Growth Path:
* May'13 - Aug'13 3 Months Internship

03/2015 - 10/2017
Apps DBA Lead (5 Team Members)

Role:
* Providing guidance to junior members of the team including second and third tier support
* Ensuring that active and effective backup policies were in place; resolving database maintenance
and corruption issues
* Developing and implementing shell scripts
* Managing the change control & testing processes for modifications to databases
* Testing routine system backups and restores
* Managing end-user accounts, permissions, access rights, and storage allocations in accordance
with privacy, security, and regulatory best practices
* Assisting with network and security audits; recommending software and hardware improvements,
upgrades, patches, reconfigurations, and purchases

11/2013 - 03/2015
Associate Consultant


08/2013 - 11/2013
Trainee (Team Member)
Employee of Doyensys


Local Availability

Only available in these countries: India
Profileimage by L Dhanu Associate Consultant, Apps DBA Lead and AWS Solutions Architect from Chennai Associate Consultant, Apps DBA Lead and AWS Solutions Architect
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