About this opportunity:
Manufacturing sites today are increasingly digitized, interconnected, and dependent on Operational Technology systems for Assembly, Test and Surface Mount Assembly (SMA/SMT) and other processes with automation and IoT- equipment. These systems are critical to safety, product quality, and production continuity, but they are also increasingly exposed to cyber threats.
To effectively protect our Supply site Tallinn, a dedicated Operational Technology Security Lead role is necessary to bring the security of Operational Technology and IT together, monitor risk, respond to accidents, manage assets and vulnerabilities to ultimately secure business continuity and meet compliance requirements.
Our ideal candidate is used to and interested in working with legacy technologies, understands the limitations and risks it exposures yet is determined and stubborn enough to find the solutions and make it work. This Operational Technology Security Lead role will lead the local site operations initiatives and coordinate with global Operational Technology security domain.
This is a full-time hybrid position based at our supply site in Tallinn, Estonia.
What you will do:
• Setup local cross function team for Operational Technology security according to governance structure.• Be ESS representative in global Operational Technology security domain, secure cross site collaboration and best practices.• Be accountable to implement process, system and tools for controls.• Manage risk assessment and drive corrective actions with local and global security functions • Lead and coordinate Operational Technology security planned regular activities, e.g. awareness training, internal assessment, monitoring and analysis, etc.• Escalate risk and incidents to local security management board and Global Operational Technology security domain.• Closely collaborate with IT for manufacturing security assurance including information security.• Support enterprise security for Operational Technology related issues.• Be interface for product security for Operational Technology controls.
The skills and expertise you bring:
• Proven experience in Operational Technology and cyber security.• Deep understanding of Operational Technology systems, especially legacy technology. • Knowledge of information and cyber security standards: ISO27001, IEC62443.• Experience in regulatory compliance, audit preparation, and documentation.• Skilled in leading incident response, crisis communication, and coordinating stakeholders during security events.• Effective stakeholder engagement capabilities across business, technical, and external partners.• High level English proficiency and excellent communication skills
Please note, employment is subject to satisfactory pre-employment screening, including a background check, criminal history check and reference verification during recruitment process.
To be considered for this role one needs to have current and valid working rights in Estonia and there is no relocation on offer.
Why join Ericsson?
At Ericsson, you'll have an outstanding opportunity. The chance to use your skills and imagination to push the boundaries of what's possible. To build solutions never seen before to some of the world's toughest problems. You'll be challenged, but you won't be alone. You'll be joining a team of diverse innovators, all driven to go beyond the status quo to craft what comes next.
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Encouraging a diverse and inclusive organization is core to our values at Ericsson, that's why we champion it in everything we do. We truly believe that by collaborating with people with different experiences we drive innovation, which is essential for our future growth. We encourage people from all backgrounds to apply and realize their full potential as part of our Ericsson team. Ericsson is proud to be an Equal Opportunity Employer. learn more.
Point of hire (country and city): Estonia (EE) || Tallinn
Req ID: 778746
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Ericsson builds the digital connectivity the world relies on. Our technology underpins the mobile networks, platforms, and systems that billions of people, businesses, and societies depend on every day.
We are a global leader in communications technology, delivering mobile network infrastructure, cloud software, and wireless connectivity solutions for service providers and enterprises worldwide. Our networks support connectivity across 180+ countries, helping power everyday communication as well as critical digital services at global scale.
Connectivity has evolved far beyond consumer mobile use. Today, nearly 80% of the world’s population accesses the internet via mobile networks, and Ericsson is helping shape what comes next. We are advancing 5G and 5G Advanced, developing network APIs that open connectivity to the global developer ecosystem, and applying automation and AI to make networks more intelligent, efficient, and resilient.
Ericsson was the first company to launch live 5G networks on five continents, and our 5G platform is now commercially live in 150+ networks across 60+ countries. We also support more than 36,000 enterprise customers, enabling secure, high-performance connectivity for industries such as manufacturing, aviation, logistics, utilities, and public safety, where reliability and performance are mission critical.
Innovation is central to how we work. Ericsson has approximately 28,000 employees in research and development, backed by one of the strongest intellectual property portfolios in the industry with 60,000+ granted patents. Our engineers, researchers, and technologists work across 100+ global R&D sites, helping define how networks evolve and how digital infrastructure is built for the long term.
As the world moves toward a mobile-first, AI-powered, and cloud-driven future, connectivity becomes the foundation for digital transformation across every industry. Ericsson is building that foundation, shaping the future of digital connectivity through technology that operates at global scale and supports real-world impact, today and for what comes next.
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Ericsson is a place for people who want to work on technology that powers everyday life. You’ll contribute to large-scale systems used every day, tackle complex challenges in live environments, and keep developing your skills and career in your own vision.
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