Deloitte
Geneva, Zurich
Operational Technology (OT/IIoT) Security Manager, Technology & Transformation
- 11 November 2026
- 100%
- Geneva, Zurich
About the job
Basic information
Business line
Technology & Transformation
City
Geneva, Zurich
Experience level
Experienced
Working time percentage
80% - 100%
Date published
10-Nov-2026
Req #
25717
Job description
Location: Zurich, Geneva
Work Pattern Percentage: 80-100%
Start Date: Ongoing
About the Role
We focus on enabling our clients’ end to end industrial security transformation journey with our end-to-end OT and supply chain cybersecurity approach.
Cybercriminals are increasingly attacking large scale manufacturing organisations at their weakest points, the industrial and operations environment. Our mission is to develop OT cybersecurity strategies that improve our clients' defence capabilities along with their operations and supply chain and reduce the risk of costly disruptions.
Finding the talent that makes Deloitte unique
To that purpose, our cyber teams work closely with our client’s risk, compliance, procurement, supply chain, operations and network teams to embed security and resilience in critical topics such as manufacturing operations, supply chain and logistics, infrastructure and network in the industrial environment, factory 4.0 strategy.
How you can make an impact:
- You will be part of large industrial cybersecurity programmes working in a multidisciplinary model approach across client and Deloitte teams
- You will drive or assist in driving large scale OT/IIoT cybersecurity transformation programmes
- You will design and implement global operational technology (OT), Industrial IoT (IIoT) and supply chain cybersecurity strategies, governance, and operating models
- You will visit factories and plants to perform assessment and discovery operations by deploying multi-protocol passive monitoring devices (MPPM), analysing results, and identifying security gaps to remediate.
- You will support the design and implementation of core security components in OT (Network segmentation, segregation, security reference architecture, use access control and secure remote access, security monitoring, vulnerability management, patch management)
What you bring to succeed:
- You have 5+ years of hands-on experience in security design and implementation experience on one or more of the OT vendor solutions such as Nozomi Networks, Claroty, Palo Alto Networks, TrendMicro, Tenable OT, Fortinet, etc.
- You are passionate about the subject of cyber and have experience in industrial security (ICS/OT and/or IoT)
- You have a technical background, good observational skills, problem-solving skills and the ability to articulate complex concepts in a clear and concise manner
- Experience in network segmentation and segregation for OT, security architecture and security certifications such as GICSP, GRID, Lead SCADA security engineers, CISSP are desirable
- Fluency in English is mandatory, French and German would be considered a plus
Your team
You will join a diverse, international, and highly collaborative team of cyber security professionals who are passionate about helping organisations strengthen their resilience against cyber threats. Most importantly, we foster an open and inclusive culture where people are encouraged to bring new ideas, challenge the status quo, and shape the future of cyber defence.
What makes our team different is the opportunity to work across the full cyber defence lifecycle. One day you may be helping a client define their future Cyber Defence Centre strategy, the next designing security monitoring capabilities, improving incident response processes, or supporting the implementation of leading security technologies.
We believe that great careers are built through challenging work, continuous learning, and strong support. You will benefit from hands-on experience, dedicated mentoring, professional certifications, and collaboration with experts across Deloitte's global network.
Benefits for you
We believe in more than just work – we're committed to creating meaningful, inclusive experiences where you can thrive, both personally and professionally. From flexible working arrangements and continuous learning to comprehensive well-being support and opportunities to make a social impact, we invest in helping you grow.
Careers at Deloitte
At Deloitte, your ideas create impact and spark meaningful change for our clients, people and society. Your unique expertise, background, and perspective help us find new ways into the most complex challenges so we can brighten the futures of those our work affects.
With more than 460’000 employees globally, Deloitte is the largest professional services firm in the world, with offices in more than 150 countries.
In Switzerland, we provide a wide range of integrated services in the areas of Audit & Assurance, Tax & Legal, Strategy, Risk & Transactions, and Technology & Transformation. With around 2,500 employees at six locations, we serve companies and organisations of all sizes in every industry sector. Experience endless opportunities for professional growth, where you can bring in your entrepreneurial spirit while advising top-tier organizations on cutting-edge interdisciplinary projects within a global environment.
Join a collaborative culture where you can work flexibly alongside talented, inspiring colleagues from over 70 nationalities.
We are looking for people who approach challenges with curiosity and flexibility; bring a collaborative mindset and a can-do attitude; and wish to grow their career in a dynamic and fast-paced environment.
Together makes progress.
How to apply
Ready to make an impact? Apply now! We're looking forward to hearing from you. Please click on “apply now” to submit a complete application, including CV, cover letter, references and degree certificates.
What to expect: Learn about our recruitment process and read tips from our recruiters that help you best prepare.
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*We consider all qualified applicants for employment regardless of race, ethnicity, religious beliefs, gender, sexual orientation, gender identity, national origin, age or disability, in accordance with applicable law. Research shows that women are less likely to apply for roles unless they match all the criteria; don’t hold yourself back – apply today.
We do not accept applications from recruitment agencies for this position.
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