Nathan O. Email & Phone Number

Walldorf, Bw, De

• Developed and maintains Hermes, a highly scalable multi-tenant notification service for SAP Cloud Computing (SAPCC), using Python and Golang. Hermes provides reliable event-driven communication for critical cloud services, improving system integration and performance.• Created openstack-audit-middleware, a comprehensive auditing tool for OpenStack using Golang, ELK stack, and CADF audit mappings. This middleware significantly increased security visibility and facilitated compliance reporting, bolstering the company's security posture.• Deploys and manages global cloud infrastructure using Helm, Kubernetes, and various CNCF projects, substantially improving system scalability, reliability, and automation capabilities. Proficient in working with complex Kubernetes environments and GitOps methodologies.• Implemented and maintains monitoring solutions using Prometheus, Grafana, ElasticSearch, Logstash, RabbitMQ, and OpenSearch, enabling proactive issue detection, improved troubleshooting, and data-driven decision making. • Leverages Concourse CI for efficient CI/CD pipelines, ensuring high quality code deployments and faster time-to-market for new features and enhancements.• Implemented a Netflow monitoring solution that greatly improved network transparency, anomaly detection, and troubleshooting capabilities, resulting in reduced mean-time-to-resolution for network incidents.• Automated HANA installations and configurations using XSA, and managed HANA systems for custom applications, significantly improving deployment efficiency.• Actively contributes to open-source projects, including CNCF CloudEvents in the Serverless Working Group, promoting standardization and best practices in event-driven architectures.With a strong focus on automation, scalability, and reliability, I continuously deliver high-impact enhancements to SAP's cloud platform, empowering the business with robust, secure, and efficient cloud services.

London, London, Gb

Lead team to build and architect a Petabyte scale Data Warehouse for Intel. Partners included EMC, Lenovo, SAP, Intel, and Bluefin. Data Warehouse included the in-memory database HANA connected with a Dynamic Tiering implementation as well as a Spark cluster utilizing HANA Vora. The work involved was displayed at the SAP TechEd 2015 Keynote with John Appleby US GM for Bluefin. Have worked on multiple predictive analytics use cases using SAP HANA's PAL algorithms. Developed Data Volume Management guide for customers. -----Spent a year consulting with some of the most intelligent people I've ever worked with @ Bluefin Solutions. People like Srinivas Totapally, Lloyd Palfrey, Brenton O'Callaghan, and Jody Hesch that are ridiculously good at what they do. If you have any need for help with HANA services from implementation, to best practices, to architecture guidance, these are the people to know. Should also mention Fred McLinn and Randall Spires as master delivery directors. And if I could stick one last thing in your head, John Appleby is an incredible mentor and nuanced thinker. Best to all @ Bluefin Solutions

Walldorf, Bw, De

Split time working in the Cloud Systems Engineering team helping on several projects including Baremetal deployments on Openstack, and the architecture of the HANA Enterprise Cloud. Worked on project to move Successfactors and Ariba to SAP HANA. Helped develop architecture for the HANA Enterprise Cloud to enable Hadoop deployments. Built monitoring system and support for an implementation of the HANA Enterprise Cloud.Presales with direct customer communications at board level and below. Customer meetings, talks, lectures, and webinars.

Walldorf, Bw, De

Enterprise Architect at SAP in the CIO Office. Major projects that I've worked on have included upgrading SAP's internal global business systems (CRM/ERP) to HANA. Customer engagements communicating the experience of our internal implementations (SAP Runs SAP). Speaking at SAP Conferences TechEd, DKOM, and Sapphire. Created a whitepaper for SAP's partnership with the Open Data Center Alliance. Worked Presales on several customer deals helping to provide guidance to customers on best practices in implementation.NFL Stats project with SAP HANATraining SAP ABAP developers on the move to HANA. Data Volume management for Suite on HANA. Architecture for Price Optimization software. Transitioning Oracle systems to HANA. Custom Development of net new implementations on HANA. Led POC project to move SAP's internal Search from TREX to SAP HANA. Worked in HANA Warroom during BW on HANA Ramp Up. Several years of Venture Capital innovation projects working with SAP Ventures, Andreesen Horowitz, Greylock Ventures, and Sequoia Ventures.

Design AI Mods for Civilization 4 and Civilization 5. Included Fall From Heaven, and Fall Further. Python, Lua, SQL, and C++ skills involved.

Implement retail pricing for customers using Khimetrics advanced retail analytics software. Helped Architect the software, and host it from Khimetrics Data Centers, as well as implementing it onsite at customers like Petsmart, Lowes, and El Corte Ingles. Linux Administrator, Aix Administration, Veritas Backups, Nagios monitoring, IBM Blade Center Management, CVS, Bugzilla, Netweaver J2EE installation/configuration, Redhat, Suse, Netboot automated installations.

Indianapolis, Indiana, Us

Tier 3 support for large insurance company. Valuable experience with a range of enterprise software and support.

Support for IndyNet, a dial up ISP located in Indianapolis. Provided phone support for dial up customers.