Jorge Mauricio Diaz Montenegro, Developer in Osaka, Osaka Prefecture, Japan
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Jorge Mauricio Diaz Montenegro

Verified Expert  in Engineering

DevOps Engineer and Developer

Osaka, Osaka Prefecture, Japan
Toptal Member Since
February 22, 2024

Jorge is an information technology engineer with 10+ years of experience as an IT consultant in the financial and telecommunications industries. An expert in software development and IT support, he adheres to the Information Technology Infrastructure Library (ITIL) service management approach. Having navigated professional environments in Chile, Australia, and Japan, Jorge fosters interpersonal relationships, displays proactive initiative, and maintains composure amidst high-stakes scenarios.


VMware, Nagios, AWS CLI, Migration, Windows, Linux, Amazon S3 (AWS S3), Veeam...
OTRS, ASP.NET, Amazon Web Services (AWS), AWS CLI, MySQL, SQL Server 2016, C#...
C#, ASP.NET, HP Smart Cloud, Asset Management...




Preferred Environment


The most amazing...

...thing I've done is ensuring the secure operation of daily transactional systems under a Linux environment while working in multicultural settings.

Work Experience

Platform and System Engineer

2022 - 2023
  • Worked for a company with over 400 employees, facilitating online and on-site purchases for some of the most esteemed card companies.
  • Launched fresh projects to ensure business continuity and foster growth.
  • Ensured the proper functioning of the business and its transactional system.
Technologies: VMware, Nagios, AWS CLI, Migration, Windows, Linux, Amazon S3 (AWS S3), Veeam, Kong, Filebeat, Kibana, Elasticsearch, Docker, Kubernetes, Grafana, Prometheus, On-premise, Cloud, Logstash, Azure Active Directory, WinCollect, SQL Server 2019, Terraform, Cloudflare, Jenkins, Scripting, Power Shell Commands, PostgreSQL

IT Consultant

2015 - 2022
  • Executed diverse projects such as deploying internal ticketing systems, overseeing client infrastructures, and handling internal software development initiatives.
  • Collaborated with a diverse team from around the world and served a global client base.
  • Maintained consistency by performing the same job in both Australia and Japan.
Technologies: OTRS, ASP.NET, Amazon Web Services (AWS), AWS CLI, MySQL, SQL Server 2016, C#, VMware, VirtualBox, Google Cloud Platform (GCP), Linux, Windows, Racking, Microsoft Dynamics 365, Jenkins

IT Consultant

2012 - 2014
  • Advised as a consultant for some important Chilean banks.
  • Represented two major IT companies to clients, gaining valuable experience working alongside them.
  • Managed multiple projects concurrently, demonstrating the ability to juggle various tasks simultaneously.
Technologies: C#, ASP.NET, HP Smart Cloud, Asset Management, IBM Tivoli Service Request Manager (TSRM), IBM Db2, Birt Report, Windows, Linux

Software Developer

2011 - 2012
  • Acquired expertise in custom software development.
  • Mastered C# and SQL Server development for point-of-sale (POS) systems.
  • Initiated consultancy work for various clients to gain practical experience in the field.
Technologies: C#, SQL Server 2016, Microsoft Visual SourceSafe (VSS)

Transitioning from On-premise to Cloud Infrastructure

The migration of on-premise machines to AWS that I oversaw, managing approximately 50 machines with storage capacities ranging from 2 to 200 gigabytes. Each machine hosted specific applications, such as Kong for API calls, requiring seamless post-migration functionality.
2006 - 2012

IT Engineer's Degree in IT Engineering

Duoc UC - Santiago, Chile


Nagios, VMware, Microsoft Visual SourceSafe (VSS), IBM Tivoli Service Request Manager (TSRM), Birt Report, OTRS, AWS CLI, VirtualBox, Jenkins, Kong, Kibana, Grafana, Logstash, WinCollect, Terraform


Windows, Linux, Oracle, Jakarta EE, HP Smart Cloud, Amazon Web Services (AWS), Google Cloud Platform (GCP), Docker, Kubernetes




Java, C#


MySQL, SQL Server 2016, IBM Db2, Amazon S3 (AWS S3), Elasticsearch, On-premise, Azure Active Directory, SQL Server 2019, PostgreSQL

Industry Expertise



Infrastructure, SQL Server 2015, Software Development, Asset Management, Microsoft Dynamics 365, Migration, Veeam, Filebeat, Prometheus, Cloud, Cloudflare, Scripting, Power Shell Commands

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