Marcello Martinelli
@marcellomartinelli
Senior IoT systems engineer and supply chain expert driving resilient global deployments.
What I'm looking for
I am a Senior IoT Systems Engineer and Supply Chain professional with 12 years' experience working in London across startup and corporate environments and recent relocation to Italy. I specialise in IoT connectivity, Android hardware, global device deployments and end-to-end supply chain operations.
At Just Eat Takeaway I monitored 200k+ SIMs, led 20+ network and device projects, managed multiple vendors and was accountable for 24/7 network outage troubleshooting. I implemented broadband and firewall solutions for 50+ global clients and shaped global hardware roll-out strategies.
My achievements include deploying a more resilient single-SKU SIM solution across 100k+ devices, reducing network outages by 30% in 12 months, leading a hackathon to integrate barcode scanning into the ordering app for a global rollout, and introducing a quarterly process to delete dormant SIMs/licenses, saving ~€2m annually.
I am seeking a remote role with occasional travel where I can combine systems integration, product and supply chain expertise to improve reliability, reduce costs and scale global device estates.
Experience
Work history, roles, and key accomplishments
Senior IoT Systems Engineer
Just Eat Takeaway
Jan 2018 - Aug 2025 (7 years 7 months)
Monitored mobile data and resolved network outages across a 200k+ global SIM estate, led 20+ network and device projects, and implemented connectivity solutions for 50+ major retail partners, reducing outages and simplifying global hardware rollouts.
Supply Chain Co-ordinator
Just Eat Takeaway
Jun 2014 - Dec 2017 (3 years 6 months)
Procurred Android devices, phones, SIMs and peripherals across 10+ markets and managed vendor relationships to support global restaurant deployments.
Supply Chain & Operations Manager
Saviour Snacks
Mar 2013 - May 2014 (1 year 2 months)
Managed orders from 20+ food & drink suppliers, oversaw warehouse stock and B2B/B2C logistics while maintaining vendor relationships to ensure supply continuity.
Education
Degrees, certifications, and relevant coursework
Ca' Foscari University of Venice
Master's degree, International Relations
2010 - 2013
Master's degree in International Relations completed at Ca' Foscari University of Venice from September 2010 to February 2013.
Ca' Foscari University of Venice
Bachelor's degree, Modern & Contemporary Western Languages and Literature
2005 - 2010
Bachelor's degree in Modern & Contemporary Western Languages and Literature completed at Ca' Foscari University of Venice from September 2005 to July 2010.
Availability
Location
Authorized to work in
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