Profile
AWS-focused Cloud & Infrastructure Engineer with 10+ years' (3+ in AWS Cloud) experience across system administration, cloud platforms, and enterprise IT operations. Skilled in designing, deploying, and supporting AWS environments including EC2, S3, IAM, Lambda, CloudWatch. Adept at automation using PowerShell and Bash, infrastructure monitoring, and implementing secure, scalable solutions. Proven record of working with cloud migrations, optimizing costs, and improving service reliability in global enterprises.
Key Achievements
Strengthened cybersecurity by implementing Privileged Access Management (PAM), migrating CommBank's CommBiz domain user accounts to CyberArk (Privas), and improving compliance and account security 2023-2024.
Identified and Resolved (RCA) critical system errors in a core IIS-based business application used by CommBank's CommBiz online platform, preventing operational disruption and improving system stability 2023-2024.
Reduced ongoing AWS infrastructure costs at Maxamation by optimizing cloud architecture and resource utilization, delivering significant cost savings 2022-2023.
Enabled seamless remote operations for WellDone Int'l by adapting IT infrastructure (servers, network, desktops) to support work-from-home capabilities during 2020–2021.
Delivered enterprise infrastructure projects at Virtusa Global, including Lenel Access Control, CCTV, and Security systems, completing a full migration within 12 months 2014-2017.
Achieved USD 50K annual savings by designing and deploying a global managed print solution, standardizing processes across multiple continents 2014-2016.
Core Skills
CloudOps & SysOps
AWS (EC2, S3, Lambda, IAM, CloudWatch, Systems Manager), Azure basics, Terraform/CloudFormation (learning), Docker, Kubernetes (learning).
Automation & Scripting
PowerShell, Bash, CI/CD (ACDC, Octopus, Git Basics).
Infrastructure
Windows Server (2008–2022), Linux (CentOS, Ubuntu), VMware ESXi, Hyper-V.
Networking & Security
Cisco routing/switching, VPNs, F5 BigIP, Wireshark, Security Hardening, Endpoint Protection (McAfee, Symantec).
Observability & Monitoring
Splunk, AppDynamics, Grafana, AWS CloudWatch.
Service Management
ITIL Framework, Incident/Problem/Change Management, Project Delivery.
Professional Experience
Technical Support Engineer
Port.io (Remote, Sydney)
Feb 2026 – Present
- Provide Tier 3 technical support for enterprise customers using a cloud-native internal developer portal platform.
- Troubleshoot Kubernetes integrations, APIs, SSO and cloud connectivity issues.
- Collaborate with Engineering and Product teams on complex customer issues.
Infrastructure & Cloud Operations Engineer
Habitat3 (Project Based - Remote, Sydney)
Jan 2025 – Sept 2025 (9 months)
- Provide advanced technical support for Windows Virtual Environments (Windows Servers) and Microsoft Office deployments in cloud environments.
- Troubleshoot and resolve issues with third-party professional services applications (medical and accounting).
- Maintain and patch Windows servers, collaborating with teams on AWS and Azure cloud solutions.
- Document knowledge base articles and streamline technical processes.
Infrastructure Engineer
Commonwealth Bank of Australia (Sydney)
Oct 2023 – Nov 2024 (1 year 2 months)
- Administer Windows Servers (EC2) running on AWS Infrastructure.
- Delivered production deployments working with DevOps Teams via Octopus Deploy and ACDC, managing infrastructure monitoring with Splunk and AppDynamics.
- Administered SSL certificates, F5 BigIP load balancers, and production server smoke testing.
- Managed incident response for P1–P3 issues, leading root cause analysis and change planning.
System & Infrastructure Support Engineer
Maxamation (Remote, Sydney)
Dec 2021 – Oct 2023 (1 year 11 months)
- Administered AWS services (EC2, S3, Security Groups, IAM, CloudWatch, Lambda) for SaaS production workloads.
- Managed Linux and Windows servers, deploying applications through Git, and automating workflows using Bash and PowerShell.
- Developed Python scripts to maintain and automate alerts and resource management within AWS Lambda.
- Supported Office 365, JIRA, and cloud-based collaboration platforms.
IT Officer
WellDone International (Nowra, NSW)
Nov 2019 – Dec 2021 (2 years 2 months)
- Managed hybrid infrastructure (Windows, CentOS, VMware ESXi, Hyper-V) and network devices (Mikrotik).
- Supported remote call centre operations, deploying PBX systems, backup strategies, and patch management.
Earlier Career
Virtusa (Sri Lanka)
Progressed from Systems Engineer to Senior IT Consultant, delivering enterprise server, network, and security projects globally. Please refer to my LinkedIn page for details.
Education & Certifications
AWS Certified Solutions Architect – Associate (In Progress – 2026)
MCSE: Core Infrastructure | CCNA | ITIL v3 Foundation | LENEL Certified Professional | Diploma in Linux Administration | BSc. (Hons.) Computing
Hobbies & Interests
AWS Cloud Enthusiast, Technology Blogging, Guitar Playing, Christian Literature, Travel.