Marcos Aparecido Sarzi Junior

Vice President of Platform at Holland & Barrett

Netherlands

About

Internationally-educated in Information System Bachelor's Degree with 26 years’ experience in IT, detailed in the Mind Map at https://goo.gl/YTLKve. Highly skilled in analyse, plan, organize, develop and implement several technologies and process including SOA, Oracle products, Microsoft products, RUP, PMI, Agile. Assembled and managed teams to deal with critic mission projects of information systems as Internet and Mobile Bank for 10 million customers and an entire new middleware to deal with more than 1 billion of transactions per day and integrate 2000 different systems in distinct platforms. Experience in Outsourcing process with Agile Teams, Manage Waterfall/Agile Teams, Infrastructure and Cloud Computing (Amazon AWS), Security/Stress Tests and Akamai (CDN) systems, Oracle Fusion Middleware 11g - BEA SOA Platform (Currently Oracle SOA Suite), Weblogic Portal (WLP), Weblogic Integration (WLI), Weblogic Application Server (WLS), Weblogic Workshop, Red Hat Linux, Windows Server and Ubuntu, Web Services (SOAP, WSDL, XML Schema, XQuery, XPath), Search engines on critical systems (Apache Lucene / Solr / Fast Search), Java Enterprise Platform (J2EE) - JSP ,Servlets, EJB, Hibernate, JPA, Struts, Spring, JSF), .Net 1.1, 2.0, 3.0, 3.5 with C# and ASP 3.0, Node.JS, C and C++, Database (Oracle, MySql, SQL Server, MongoDB). Strong communication and leadership skills with the capacity to understand technical information and terminologies within a dynamic environment and implement into workflow.

Experience

  • Vice President of Platform at Holland & Barrett
    Aug 2026 · 1 mo

  • Just Eat Takeaway.com (4 yrs 1 mo)
    • Head of Platform Engineering
      May 2025 - Jun 2026 · 1 yr 2 mos

    • Platform Senior Technology Manager
      Aug 2024 - Apr 2025 · 9 mos

    • Permanent Full-time
      Jun 2022 - Jul 2024 · 2 yrs 2 mos

  • Neo Financial (1 yr 5 mos)
    • Senior Cloud Infrastructure Engineer
      Jun 2021 - Jun 2022 · 1 yr 1 mo

      Conducted SOC 2 and PCI Compliance audits from the architecture, security, and infrastructure side. Implementing the infrastructure's security opportunities and helping with the application improvements. Managed penetration tests and network scans using security specialized third-party and developed new internal scan strategies with automation using OpenVas, Nessus, and Qualys. Reviewed and improved the Security Awareness training and helped select new phishing protection and training tools. Implemented and owned the ongoing operation of the security tools in AWS with automated alerts using AWS Trust Advisor, Config, Security Hub, and GuardDuty. Designed, built, and maintained Network solutions using AWS and other solutions like Unifi and Fortigate VPNs and network connections between VPCs using AWS Peer, AWS Site-To-Site VPN, and AWS Transit Gateway Designed, built, and maintained CI/CD pipelines using AWS Pipeline, Code Build, YML, and shell scripts. Created, maintained, and scanned docker images used in AWS ECS Fargate containers in AWS ECR using Doker HUB and GitHub actions to conduct automated tests and security scanning. Automated reports based on metrics or logs to help the developers have recurring information about performance improvements and pipeline states using Typescript, AWS Lambdas, Event Bridge, and SNS. Integrated tools like SumoLogic, FortiAnalyser, and FortiGate. Created numerous monitors in Datadog using Terraform to monitor database performance, security issues, dashboards, etc. Implemented and maintained AWS WAF solutions/rules and AWS WAF Edge Lambdas improving the security of the external websites and APIs. Conducted and implemented numerous security initiatives from the AWS Security Hub recommendations. Like review and tide up IAM policy, security groups, and others, apply the use of resource-based policies, review os AWS S3 bucket permissions, Key rotations, and others. Collaborated with Disaster recovery initiatives.

    • Infrastructure Engineer
      Feb 2021 - May 2021 · 4 mos

      Working closely with Amazon AWS every day. Crafting elegant Infrastructure as Code (IaC) modules (using Terraform) to ensure repeatable and maintainable cloud deployments. Improving containerized infrastructure behind our cutting-edge GraphQL microservice architecture in AWS (using ECS, Fargate, & more). Employing serverless solutions to achieve massive scale and reliability without breaking the bank. Spinning up, maintaining, monitoring, and securing various data platforms, including PostgreSQL, MongoDB Atlas, Elasticsearch, or Redis. Improving network design and AWS networking infrastructure to optimize cost, performance, security, and scalability. Developing tools and improving processes to make it easier for developers to ship code and work with our cloud resources. Jumping in on production incidents if they occur and helping us learn and improve. Developing tools and practices to detect and defend us from infrastructure-centric security attacks: bots, DDOS attacks, and other evolving threats. Collaborating with stakeholders from across Neo to ensure secure, reliable, and scalable cloud solutions are available to everyone.

  • Fleet Profit Center (4 yrs)
    • Information Technology Manager
      Jan 2020 - Feb 2021 · 1 yr 2 mos

      Leading our fantastic development team on applying cutting edge technologies on solutions for the most variated segments with performance, security and reliability. Integrating data from Geotab (GPS Portal and Metrics) and custom data providing new experiences and insights for customers.

    • Software Developer
      Mar 2017 - Jan 2020 · 2 yrs 11 mos

      Working with the sales and the project lead, building custom solutions for Fleet Profit Center clients. Integrating data from Geotab (GPS Portal and Metrics) and custom data, providing new experiences and insights for customers. Defined and implemented the new software and infrastructure architecture for Fleet Profit Center, using Amazon AWS (API Gateway, Lambda, IAM, NAT Gateways, VPC, RDS, and others) for the infrastructure and JavaScript with Node.JS as a server for the APIs. Defined and Implemented the first Fleet Profit Center API SDK using Node.JS, automatic code review using EsLint and AWS automated deployment using AWS APIs. Organized the IT projects tasks and execution and integrated the cost data with the financial system to track projects and costs. Implemented source control for projects using GitLab and automated deployment. Implemented ISO 27001 requirements on the infrastructures, development's environment and developed systems. Develop customized Addins on the Geotab portal to be used by the companies that use the Geotab GPS. One example is an Addin to Control delivery planning for a fleet of trucks, customized reports using Geotab and external data, and others. Defined and developed Windows Service to integrate MS Dynamics and Scribe to Geotab and Fleet Profit Center APIs, using .Net 4.7 C#, Message Queue, Node.JS APIs and others. Main technologies/processes: Javascript, Amazon AWS, API Gateway, Lambda, Serverless, Agile Delivery, Custom Authentication, Postgres, RDS, Multi-AZ, High availability, C#, SQL Server, IIS, Certificate, API Security, Zoho Projects, Swagger, GitLab, EsLint, Code Review, Automatic Deploy, and others.

  • Business Technology Management Student at Red River College
    Oct 2016 - Sep 2017 · 1 yr

    Finished first term (Jan 17 - Apr 17) with follow grades: * A+ for Financial Accounting 1 * A for Communications for BTM * Recognition of prior learning for Introduction to Programming Logic * Recognition of prior learning for Business Computing * A+ for Math for BTM * A for Statistics for BTM * Pass for Professional Development 1 Winter 2017 GPA: 4.25 Cumulative GPA: 4.25