![Istvan Lajtos](https://jobicy.com/react/themes/app/images/avatar.jpg) Istvan Lajtos # Head of Product / IoT Product Leader Open to offers · Member since 27 Jul 2026 [Message](https://jobicy.com/dashboard-page.md) ShareLocationLondon, United KingdomDesired salaryUnspecifiedWork preferenceHybrid / Full TimeExperience levelLead * [Overview](#overview) * [Portfolio 0](#portfolio) * [Services 0](#services) ## About Professional summaryI am a telecom and ICT product leader with more than 25 years of experience across mobile networks, IoT connectivity, device lifecycle management, and technology strategy. I specialize in building and scaling IoT connectivity solutions, including cellular IoT, eUICC/eSIM, private wireless networks, and cloud-based platforms for enterprise deployments. In my recent roles, I have led product strategy, roadmap execution, and cross-functional delivery for global IoT platforms, working closely with engineering, sales, customer success, and executive leadership. I enjoy turning complex technical capabilities into customer-centric products that create commercial value, improve operational efficiency, and support long-term platform growth. My background also includes programme management, agile delivery, stakeholder management, and technical account leadership across major telecom organizations and industry initiatives. I am passionate about innovation in IoT, 5G, and emerging technologies, and I focus on building scalable solutions that help businesses deploy connected devices securely and reliably worldwide. ## Skills 27 capabilities[Agile Delivery](https://jobicy.com/talent/agile-delivery.md)[Analytics](https://jobicy.com/talent/analytics.md)[Business Analysis](https://jobicy.com/talent/business-analysis.md)[Cloud Platforms](https://jobicy.com/talent/cloud-platforms.md)[Data Analysis](https://jobicy.com/talent/data-analysis.md)[ESIM](https://jobicy.com/talent/esim.md)[EUICC](https://jobicy.com/talent/euicc.md)[Gitlab](https://jobicy.com/talent/gitlab.md)[Go To Market](https://jobicy.com/talent/go-to-market.md)[HTML5](https://jobicy.com/talent/html5.md)[ICT](https://jobicy.com/talent/ict.md)[IoT](https://jobicy.com/talent/iot.md)[MEC](https://jobicy.com/talent/mec.md)[Mobile Advertising](https://jobicy.com/talent/mobile-advertising.md)[NFV](https://jobicy.com/talent/nfv.md)[PaaS](https://jobicy.com/talent/paas.md)[Predictive Maintenance](https://jobicy.com/talent/predictive-maintenance.md)[Product Management](https://jobicy.com/talent/product-management.md)[Product Strategy](https://jobicy.com/talent/product-strategy.md)[Program Management](https://jobicy.com/talent/program-management.md)[Roadmap Planning](https://jobicy.com/talent/roadmap-planning.md)[SaaS](https://jobicy.com/talent/saas.md)[Scrum](https://jobicy.com/talent/scrum.md)[Stakeholder Management](https://jobicy.com/talent/stakeholder-management.md)[Technical Account Management](https://jobicy.com/talent/technical-account-management.md)[Telecommunications](https://jobicy.com/talent/telecommunications.md)[WebRTC](https://jobicy.com/talent/webrtc.md) ## Tech stack & tools Working toolkit ### Collaboration [![Image](https://cdn.jsdelivr.net/gh/devicons/devicon@master/icons/jira/jira-original.svg) Jira](https://jobicy.com/talent?tool=jira.md) ### Development [![Image](https://cdn.jsdelivr.net/gh/devicons/devicon@master/icons/github/github-original.svg) GitHub](https://jobicy.com/talent?tool=github.md)[![Image](https://cdn.jsdelivr.net/gh/devicons/devicon@master/icons/gitlab/gitlab-original.svg) GitLab](https://jobicy.com/talent?tool=gitlab.md) ### Languages & Frameworks [![Image](https://cdn.jsdelivr.net/gh/devicons/devicon@master/icons/html5/html5-original.svg) HTML5](https://jobicy.com/talent?tool=html5.md) ## Experience Career history ### Head of Product · Velos IoT Sep 2025 – PresentI lead product strategy and roadmap execution for a global IoT connectivity platform. I manage cross-functional teams to deliver analytics, automation, and data capabilities while balancing commercial priorities, customer needs, and delivery capacity. I also oversee JIRA Service Management and agile delivery practices, and I support go-to-market efforts with product positioning and roadmap narratives. ### Head of Products · Eseye Ltd Apr 2019 – Aug 2025I defined and managed a three-year roadmap for the Infinity IoT Platform, including billing, SIM lifecycle management, and Remote SIM Provisioning. I owned the product backlog, sprint planning, and user stories in JIRA, and worked closely with development, sales, and customer success teams. I also collaborated with MNOs and MVNOs across more than 190 countries and introduced Agile SCRUM, JIRA, and GitLab to improve delivery efficiency. ### 5G Programme Manager · AWTG Ltd Apr 2018 – Mar 2019I led a £9M UK Government-funded 5G testbed project and worked with industry partners including Huawei, O2, and BT. I managed the rollout of a private 5G network for smart manufacturing and supported AI-driven predictive maintenance use cases. I also coordinated cross-functional stakeholders, conducted process mapping, and presented findings to senior leadership. ### Delivery Director · Bristol Is Open Sep 2017 – Feb 2018I led a smart city R&D platform initiative and oversaw a 10-person team across multiple communication technologies. I delivered EU-funded R&D projects, managed strategic partnerships, and contributed to the launch of the first 5G test bed. I also helped shape experimentation-as-a-service and smart city innovation strategies. ### Director · Technology Consultancy Jun 2017 – Aug 2017I provided consultancy services focused on early 5G technologies, including multi-access edge computing solutions. I supported large international blue-chip customers with technology strategy and solution development. ### Web Working Group Director, Web and Internet · GSM Association, London Jul 2014 – May 2017I led a GSMA working group providing thought leadership for global mobile network operators. I developed technology strategy and delivered solutions in areas such as encrypted traffic management, NFV, IoT, cloud services, and MEC. I also authored whitepapers and created product propositions for emerging technologies including blockchain, WebVR, and web payments. ### Senior Product Manager · OneAPI, Technology Nov 2012 – Jun 2014I guided the evolution of HTML5-based web apps and defined SaaS and PaaS strategies for mobile operators. I integrated Rich Communication Suite with WebRTC and managed the Smarter Application Guidelines website. I also supported developer engagement and sponsorship growth. ### Technical Account Manager – Devices, Marketing · Telefonica (O2) UK, Slough Jan 2012 – Oct 2012I managed technical validation activities for device OEMs and led the OpenOS working group within Telefonica Group’s global technical committee. I worked with OEMs such as HTC and Nokia and helped improve test quality and efficiency. I also managed the O2 Health mobile telecare platform and completed technical delivery ahead of schedule. ### Technology Strategy Manager – Devices, Marketing · Telefonica (O2) UK, Slough Mar 2009 – Dec 2011I developed and delivered Telefonica Group’s mobile platform technology strategy with a focus on R&D and innovation. I led strategy for smartphone platform security and pioneered cloud-based mobile platform processing concepts. I also established compliance processes to improve user experience across major smartphone platform providers. ### Senior Technical Product Manager – O2 Branded Devices · Telefonica (O2) UK, Slough Mar 2006 – Feb 2009I oversaw the device lifecycle for O2 branded devices from development to end of life. I worked with white-label OEMs on product specification, design, software, UI development, accreditation, and sales support. I also led cost-saving initiatives, including savings on USB modems. ### Technical Account & Product Manager, Terminal Integration and Validation · T-Mobile International, Hatfield Jul 2004 – Feb 2006I was responsible for device interoperability testing and vendor relationship management. I worked with major vendors such as LG Electronics and Samsung on device integration, functional testing, conformance, and quality gate testing. ### Technical Product Manager, Group Devices · Vodafone UK/Group, Newbury Nov 2002 – Jun 2004I managed the device accreditation process and trained new staff for lab testing and protocol stack evaluation. I developed testing scopes and specifications for 3G handsets and created vendor self-certification processes. I also supported the launch of Vodafone branded flagship devices across global markets. ### 2.5G / 3G Verification & Package Leader, Senior Engineer · Ericsson Ltd, Guildford Aug 1998 – Oct 2002I served as a technical test and package leader for packet switching systems. I managed technical projects, handled daily technical issues, and set up global software verification objectives. I also supported Vodafone Group projects across Europe. ## Education Learning history ### Axelos 2020 – 2020Certified SCRUM Master, SCRUM Master Certification Professional certification in Scrum Mastery. ### Axelos 2019 – 2019PRINCE2 Foundation and Practitioner Certification, Project Management Project management certification covering PRINCE2 Foundation and Practitioner levels. ### CIM (Chartered Institute of Marketing), UK 2012 – 2012Professional Degree, Marketing Member of the Chartered Institute of Marketing (MCIM). This professional hasn’t added portfolio projects yet. This professional hasn’t listed any services yet.