OT/IOT Security SME in Ansty

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

Hybrid-3-4 days onsite.

Requirement: 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
• Test the OT security use cases in the lab
• Handle OEM communication

Tools experience required:

• Nozomi

Optional/ Alternative Tools:

• Clarity Defender
• Microsoft defender
• Dragos
• Armis

Extra information

Status

Open

Education Level

Secondary School

Location

Ansty

Type of Contract

Part-time jobs

Published at

20-11-2025

Full UK/EU driving license preferred

No

Car Preferred

No

Must be eligible to work in the EU

No

Cover Letter Required

No

Languages

English