Resume.

Cloud & Database Engineer Β· Auckland, NZ

ajay.kr.ach@gmail.com Β· (027) 808-0814

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01

Experience

Cloud Engineer

Dec 2024 – Present

Amazon Web Services (AWS)

Β·

Auckland, NZ

  • Supporting cloud infrastructure and customer-facing solutions on the AWS platform across New Zealand and the broader APAC region.
  • Collaborating with enterprise customers on cloud adoption strategies, architecture reviews, and technical enablement.
  • Leveraging AWS services including EC2, RDS, DMS, S3, CloudWatch, and IAM to design and operate scalable, secure cloud environments.
  • Contributing to internal tooling and automation initiatives to improve operational efficiency and customer outcomes.
EC2RDSDMSS3CloudWatchIAM

Sr. Consultant – Oracle Database

Sep 2022 – Dec 2024

Cognizant (Project: Kāinga Ora)

Β·

Auckland, NZ

  • Administered, monitored, and performance-tuned Oracle 12c/19c databases with RAC and Data Guard, maintaining 99.9% uptime across production environments.
  • Led Oracle database migration and upgrade to 19c with minimal downtime, ensuring full data integrity throughout the process.
  • Implemented and maintained GoldenGate replication across 5+ databases, ensuring real-time data consistency.
  • Directed 20+ application deployments per quarter using Flex Deploy and CI/CD tooling, streamlining release cycles.
  • Automated operational tasks through custom scripting, reducing manual effort by 30% and increasing team efficiency.
  • Resolved 50+ developer and infrastructure issues per month, managing end-to-end tracking via JIRA.
Oracle 12cOracle 19cGoldenGateSOAOSBWebLogicExadataFlex Deploy

Sr. Software Engineer

Apr 2019 – Sep 2022

Eka Software Solutions

Β·

Bengaluru, India

  • Optimised Oracle database performance (11g, 12c, 18c, 19c) across development and production environments spanning 3 regions.
  • Resolved 95% of application and database support issues within SLA, delivering high service reliability to global customers.
  • Reduced deployment time by 25% by implementing DevOps tooling and streamlining application release pipelines.
  • Configured Single Sign-On (SSO) integrated with LDAP/Active Directory, reducing login-related issues by 30%.
  • Implemented SSL/HTTPS protocols across all application layers, reducing security vulnerabilities by 40% and protecting 10,000+ users.
Oracle 11g–19cSSOLDAPActive DirectorySSL

Software Engineer

May 2017 – Apr 2019

Eka Software Solutions

Β·

Bengaluru, India

  • Installed and configured Oracle databases across DEV, TEST, and production environments, supporting 20+ development projects.
  • Migrated databases and applications to AWS, reducing infrastructure costs by 30% and improving scalability.
  • Achieved 99.9% uptime during critical hyper-care periods in go-live cycles through proactive monitoring and support.
  • Designed and executed disaster recovery solutions for clients in Australia and Europe, achieving an RTO of under 2 hours.
OracleAWSDisaster Recovery

Database Intern

Jul 2014 – Nov 2014

NTT Data

Β·

Noida, India

  • Worked with Oracle 10g/11g, writing PL/SQL packages, procedures, functions, triggers, and views.
Oracle 10gOracle 11gPL/SQL
02

Technical Skills

Cloud
AWS (EC2, RDS, S3, DMS, CloudWatch, IAM)OCIAzure
Databases
Oracle 10g–19cPostgreSQLMySQL
HA & DR
Oracle RACOracle Data GuardGoldenGate Replication
App Servers
WebLogicTomcatJBossWildflyNginxApache
DevOps
JenkinsFlex DeployShell scriptingJIRA
Networking
DNSTCP/IPLAN/WANFirewallLoad Balancing
OS
RHELOELCentOSUbuntuWindows Server
Monitoring
Oracle OEMAWS CloudWatchPrometheusGrafana
Migration
Oracle-to-Oracle upgradesOn-prem to AWS/OCI cloud migrations
03

Certifications

AWS Certified Solutions Architect – Associate

Amazon Web Services Β· 2025

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AWS Certified Cloud Practitioner

Amazon Web Services Β· 2025

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Oracle Cloud Infrastructure 2019 Certified Architect Associate

Oracle Β· 2019

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Oracle Autonomous Database Cloud 2019 Certified Specialist

Oracle Β· 2019

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04

Education

Master of Computer Applications (Computer Science)

GGS Indraprastha University Β· Delhi, India Β· 2014 – 2017

Bachelor of Science – Electronics (Minor: Computer Science & Mathematics)

University of Delhi Β· New Delhi, India Β· 2011 – 2014