OT/IOT Security Consultant-Nozomi

JR United Kingdom; Leicester; On-site; GBP 70,000 - 90,000; Full time

Job summary

A leading global technology company in Leicester is seeking an OT/IOT Security SME to design and implement cybersecurity solutions for ICS/OT networks. The ideal candidate has over 10 years of experience in cybersecurity, focusing on asset discovery, security policies, and deploying security platforms. Join a dynamic environment and help drive innovation within the tech industry.

Qualifications

• 10+ years of experience in Cyber security for ICS/OT environments.
• Strong knowledge of security policies and monitoring rules.
• Experience in deploying OT security platforms.

Responsibilities

• Design and implement technical solutions for asset discovery.
• Define and implement OT-specific security policies.
• Deploy OT Security platforms across global sites.

Skills

Cyber security experience

ICS/OT network architectures

Vulnerability assessment tools

NIST SP 800-82

OT Network Communication Protocols

Tools

Nozomi

SIEM

Job description

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Client:

HCLTech

Location:

Job Category:

Other

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EU work permit required:

Yes

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Job Views:

3

Posted:

26.08.2025

Expiry Date:

10.10.2025

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Job Description:

We are a $13+ billion global technology company, home to more than 224,000 people across 60 countries, delivering industry-leading capabilities centered around digital, engineering, cloud, and AI, powered by a broad portfolio of technology services and products.

HCLTech is a globally recognized leader in the Tech and IT industry, but we’ve never forgotten the startup mindset that got us here. We’ve always approached our work with an idea-first attitude because every one of our accomplishments —no matter how big or small —can be traced back to an idea’s single spark.

It’s that spark —that inner drive —that sets our people apart from our competitors. It enables us not just to pull off game-changing feat after game-changing feat but to better our world in the process. We want you to find your spark. Because that’s what drives you to be better, be more and ultimately, be more fulfilled.

OT/IOT Security SME

• Role: 10+ years of experience in Cyber security Designing & implementation on ICS/OT network Architectures, Cybersecurity frameworks for ICS/OT environments NIST SP 800-82 and c, OT Network Communication Protocols (e.g., Ethernet, Modbus, OPC, IEC-101/104 etc.), Information Event Management (SIEM).
• Key Responsibilities:
• Designing and implementing technical solutions for asset discovery, OT cyber security, vulnerability assessment tools
• Define and implement OT-specific security policies and monitoring rules within Nozomi to detect anomalies, threats and compliance violations.
• Deploy OT Security (Nozomi)/IDS platform across global sites.
• Implementation support & reporting for ICS security with help of tools like SIEM