InfoSec People Ltd
OT Cybersecurity Engineer
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About the Role
We're supporting a leading organisation within the energy and utilities sector that is investing heavily in the security of critical operational technology infrastructure.
As part of a growing cybersecurity team, we're looking for an OT Security Architect to help shape the security of smart energy solutions, grid infrastructure and operational technology environments.
This is an opportunity to work across the full lifecycle of OT security, from architecture and risk assessment through to secure deployment and regulatory compliance.
What you'll be doing
- Conduct OT threat and risk assessments
- Support secure design of industrial and energy systems
- Define OT cybersecurity architecture and controls
- Drive network segmentation and Purdue Model implementation
- Support vulnerability management and incident response processes
- Review firmware, embedded device and supply chain security risks
- Assess hardware and software bills of materials (SBOMs)
- Work closely with engineering, architecture and delivery teams
- Support compliance with ISA/IEC 62443, NIST and NIS requirements
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What we're looking for
- Experience within OT, ICS or SCADA cybersecurity
- Strong understanding of security architecture principles
- Experience within utilities, energy or critical infrastructure environments
- Knowledge of ISA/IEC 62443
- Experience conducting cybersecurity risk assessments
- Understanding of OT network segmentation and industrial protocols
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Desirable
- Smart metering experience
- Firmware or embedded device security
- Secure boot, TPMs or HSMs
- IEC 61850
- DNP3, OPC UA, Modbus or IEC 104
- GICSP, GIAC or ISA/IEC 62443 certifications
What's on offer
- Competitive Salary
- Professional development support
- Hybrid working
- Opportunity to secure critical national infrastructure
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