Shash Rathnasinghe
Pakenham,VIC
Summary
Analyst Engineer with extensive experience in AWS infrastructure and automation, transitioning into Cloud Engineering. Demonstrated success in leading platform initiatives, including FSx migrations and automated patching pipelines, utilizing Terraform, Ansible, and Python. Proficient in CI/CD practices, Linux, networking, and containerization, with a strong emphasis on AWS security and disaster recovery planning. Committed to delivering scalable, customer-focused solutions in fast-paced environments.
Overview
6
6
years of professional experience
1
1
Certification
Work History
ANALYST ENGINEER
National Australia Bank
07.2022 - Current
- Developed automated patching and testing pipelines for Windows servers in Landing Zone LZ029 using AWS Lambda, Systems Manager, and Ansible-reducing manual intervention and cutting operational overhead.
- Collaborated with external data providers (Refinitiv, Rimes) and queried relational databases to support Asset Servicing Business Performance and Compliance Reporting for client deliverables.
- Provided critical on-call production support for multiple applications across Asset Servicing Reporting and Front Office Technology-troubleshooting high-impact incidents and ensuring SLA adherence.
- Performed monthly patching, vulnerability remediation, and IAM issue resolution across AWS and Linux environments, reinforcing security and compliance for ADI and DSE applications.
- Led Change Approval Board (CAB) coordination for 18+ months, streamlining risk-free production deployments through structured change management and engagement across eight development squads.
- Spearheaded AWS infrastructure projects, including the FSxN migration to Amazon FSx for ONTAP-creating IaC modules using Terraform and resolving complex access control issues.
- Supported patching and provisioning activities, conducted test automation, and contributed to system readiness in multiple AWS landing zones.
- Delivered ongoing BAU support across non-prod and prod AWS environments, gathering requirements, executing change requests, and troubleshooting Linux/Windows patching and data transfer issues.
JUNIOR ANALYST
Ai Group
08.2019 - 04.2022
- Processed and analyzed raw data using Excel and Python, leveraging Tableau for visualization to identify trends and support data-driven decisions.
- Developed reports and presentations on project initiatives, sales performance, and status updates, enabling strategic decision-making.
- Optimized databases and identified process improvements, enhancing data management efficiency and operational workflows.
- Conducted market research and competitive analysis, contributing to product positioning strategies and R&D initiatives.
- Collaborated with stakeholders to transform data insights into actionable business strategies, aligning analytics with client and organizational objectives.
Education
Master's - Data Science
RMIT University
Melbourne04.2025
Certificate - Data Science
RMIT University
MelbourneBachelor's Degree - Mechanical Engineering
North Dakota State University (NDSU)
USASkills
- AWS services: Lambda, EC2, RDS, S3, IAM
- Infrastructure as code: Terraform, CloudFormation
- Automation tools: Ansible, Jenkins, GitHub Actions
- Monitoring and logging: CloudWatch
- Container orchestration: ECS, Docker
- Scripting languages: Python, Bash
- Networking components: VPC, Subnets, NAT, Route tables
- Security management: IAM policies
- Development methodologies: Agile/Scrum
- Project management tools: Confluence, Rally
- Collaboration skills: Cross-regional team collaboration
- Cost management strategies
- Vulnerability remediation and patching automation
Certification
- Currently studying for AWS Certified Solutions Architect - Associate
- AWS Certified Cloud Practitioner
- ITIL Foundation Certificate in IT Service Management
Timeline
ANALYST ENGINEER
National Australia Bank
07.2022 - Current
JUNIOR ANALYST
Ai Group
08.2019 - 04.2022
Master's - Data Science
RMIT University
Certificate - Data Science
RMIT University
Bachelor's Degree - Mechanical Engineering
North Dakota State University (NDSU)
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