Experienced IT Professional specializing in system administration and network infrastructure with a proven track record of delivering comprehensive IT support and implementing innovative solutions. Currently serving as a System Administrator at ALANTRA, where I provide end-to-end IT support ranging from tier 1 to tier 3 for both internal and external stakeholders. Key responsibilities include:Leading the implementation of new company internal network infrastructure.Successfully migrating remote sites from MPLS to SD-WAN.Conducting vulnerability assessments and implementing Windows hardening measures.Spearheading the deployment of Intune and Autopilot for enhanced device management.Leveraging advanced tools such as Darktrace for email analysis and conducting phishing simulations to educate users on cybersecurity best practices.Serving as part of the Incident Response Team and administrating EDR solutions like CrowdStrike.Prior to my current role, I honed my skills as an IT Help Desk professional at DAIMLER GROUP SERVICES, providing timely support for hardware and software issues, diagnosing technical problems, and collaborating with peers and managers to resolve system issues effectively.Additionally, I gained valuable experience as a Network Technician at TINGSTAD in Gothenburg, where I specialized in configuring network hardware, troubleshooting network issues, deploying software updates, and managing user accounts and permissions.With a solid foundation in IT support and a passion for staying abreast of emerging technologies, I am committed to delivering high-quality solutions and driving continuous improvement in IT operations.
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Security AnalystAlantra 2019 - PresentMadrid, Madrid, Spanien- Providing local tier 1-3 IT support for internal and external personnel.- Implementation of new company internal network infrastructure.- Migrating from MPLS to SD-WAN on our remote sites.- Vulnerability assessments.- Windows Hardening.- Deployment of Intune & Autopilot.- Email Analysis with Darktrace & Phishing Simulation for user education.- Administrating EDR CrowdStrike & Part of Incident Response Team. -
It-HelpdeskMercedes-Benz Group Ag Mar 2016 - Jul 2019Madrid, Madrid, Spanien-Providing local tier 1-2 IT support for hardware and software to internal personnel.-Responding to breakdown.-Diagnose errors or technical problems and determine proper solutions.-Communicate with peers and managers regarding system issues. -
Network TechnicianTingstad Jul 2013 - Feb 2016Göteborg, Västra Götaland, Sverige-Configuring network hardware like servers, routers and switches.-Troubleshooting network issues-Deploying and updating software.-Set up user accounts, permissions and passwords.
Frequently Asked Questions about David Grigoriu
What company does David Grigoriu work for?
David Grigoriu works for Alantra
What is David Grigoriu's role at the current company?
David Grigoriu's current role is IT.
Who are David Grigoriu's colleagues?
David Grigoriu's colleagues are Yuyi Liu, Javier María González Molina, Paulo Gray, Raúl De Cristóbal, Javier García-Palencia, Clara Ballesteros, Ramón García Leal.
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