Marcin Hoffmann

Experience

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  Indywidualna specjalistyczna praktyka lekarska

  Mar 2007 - Jan 2011

  IT specialist

  Built and maintained a small infrastructure for multiple medical facilities across Gdańsk, Gdynia and Sopot cities in Poland. Responsibilities:- purchasing and setting up IT environment and network configuration, OS installation and maintenance- delivered trainings regarding system usage and security to the end users- created and sustained backup solution for all of the facilities- oncall support

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  SuperHost.pl

  Jan 2010 - Jan 2011

  System and Network Specialist

  Network & Server specialist in hosting company in Poland with > 10k customers and >400 machines. Responibilities included:- customized dedicated server depoyment, including OS/service configuration and maintenance- Linux and network administration- hardware planning, purchasing and landing in the datacenter- responsible for customer technical support (2nd line) in regard to linux matters/issues including network support for the servers

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  Intel Corporation

  Jan 2012 - Jan 2024

  Engineer in Reference Architecture team. Expertise in design, deployment, validation and benchmarking of reference architecture solutions for internal and external clients, including industry leaders: Dell/Lenovo/VMware/RedHat. Roles and responsibilities:• Developing AI tech demos (LLM chatbots) to showcase performance on Intel Xeon for stakeholders and thirdparty entities, including Lenovo and US Public Sector (Llama 2 and 3.1 LLM Private AI Chatwith multimodal RAG using PyTorch/transformers/LangChain)• Design and development of AI based benchmarks (BERT large training/Llama inference(offline and online using TorchServe) and their automation on bare-metal and Kubernetes• Optimizations for AI training/inference workflows (hyperparameter finetuning using SigOpt, hardware/software configuration for best performance)• Leading the technical direction and executing an array of Kubernetes and VMware basedprojects, i.e. Hybrid Cloud Data Analytics Solution (VMware) and Online AI Inference(K8s/OpenShift)• Delivering trainings and providing extended support to external teams/engineers. Sharing experience during conferences and speeches, covering a range of topics from vSAN performance and VMware configuration to AI inference and LLM multimodal RAG Chat development• Deployment/maintenance/optimizations of VMware and Kubernetes clusters• Engineering automation solutions for lab environments and benchmarking (Python/Ansible/Bash) for operational efficiency Pokaż mniej DevOps in Advanced Driver Assistance Systems (Autonomous Driving) project in cooperation between Intel and BMW. Roles and responsibilities:• Deployment, administration and maintenance of several Hadoop and Kubernetes environments. Hadoop (Cloudera CDH) environments included clusters of >300 machines and >25PB of data. OS: Ubuntu/Centos/SLES 12, monitored by Zabbix• Automation of processes (Ansible, Python, Bash, CfEngine)• Support of the end customer (development teams using mostly spark/yarn) and ongoing development and improvements to the existing pipeline (Kubernetes, Docker, Cloudera Hadoop)• On-Call support for all production environments Pokaż mniej Roles and responsibilities:• Support of internal platform solution (Trusted Analytics Platform (TAP), technologies included: Docker, Kubernetes, Ceph, Ansible)• Automating storage cleanup proces (Baremetal and S3 on AWS using Python)• Implementing monitoring of key subsystems (ESXi, Kubernetes, Ceph) using Zabbix• ESXi environment maintenance, automation and integration with existing Continuous Integration (TeamCity, Python, Git)• Deployments of TAP environment, troubleshooting issues Pokaż mniej Roles and responsibilities:• SLES enterprise compute environment support and maintenance of Intel's core infrastructure in the European (EMEA) region• Member of multiple global engineering teams: • Engineering Computing (SLES, Ubuntu) - infrastructure automation and continuous operation of 140000 servers across the world • Virtualization (VMware, ESXi) - support and automation of Intel's global virtualization environment • OS DevOps team - operational and engineering aspects of general Linux environment• Support of local batch cluster• Delivery of custom system/network solutions (monitoring, IPv6, proxies etc.) for labs located in Gdańsk• ITIL Service Management Incident and Request Specialist LvL3 for local EMEA region• automation (Quickbuild) and scriptingPreviously: • Owner of the global linux mailing subsystem and primary customer support for engineers located in Gdańsk site Pokaż mniej

  • Machine Learning Engineer / Cloud Solutions Engineer

    Jan 2018 - Jan 2024

  • DevOps Engineer / Cloud Software Engineer

    Jan 2017 - Jan 2018

  • DevOps Engineer

    Jan 2017 - Jan 2017

  • Administrator / System programmer

    Jan 2012 - Jan 2017
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  Velocità Consultancy

  Jan 2025 - now

  Senior DevOps Engineer
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  BT Group

  Jan 2025 - now

  Senior DevOps Engineer