Lead OT Cyber Security Consultants / Architects NCSC-CAF
UK-based Hybrid working Competitive salary and benefits
I'm working with a leading UK consultancy who are expanding their OT Cyber-security team following continued demand from organisations operating complex, safety-critical environments.
We are looking for an experienced OT Cyber Security Consultants and Architects to design secure operational environments and advise clients undertaking major technology and infrastructure programmes.
We are looking for people who have worked in the
Utilities sector - power transmission, generation or distribution, Water, Civil Nuclear or wider Critical National Infrastructure (CNI).
The role
You will:
Design target-state security architectures across OT, ICs and SCADA environments.
Define network segmentation, zoning and secure IT/OT integration patterns.
Develop secure remote-access, identity, monitoring and asset-visibility solutions.
Translate cyber risks into architecture requirements, controls and delivery roadmaps.
Lead OT security workstreams from initial assessment through to implementation.
Review technical designs and provide architecture assurance.
Advise engineering, operational, security and senior business stakeholders.
Support technology selection while balancing security, safety and operational continuity.
Lead technical workshops and collaborate with multidisciplinary delivery teams.
Experience required
You should have:
Strong experience designing and delivering OT security architecture.
Knowledge of industrial control systems, SCADA, PLCs, RTUs and OT networks.
Experience within complex, regulated or safety-critical operational environments.
Practical knowledge of segmentation, zones and conduits, secure remote access, monitoring and IT/OT convergence.
Experience producing target-state architectures, high-level designs, detailed designs and implementation roadmaps.
Knowledge of recognised OT security standards and regulatory frameworks.
Experience with OT asset-discovery, monitoring or threat-detection technologies.
The ability to explain complex technical risks to engineering and senior business stakeholders.
Previous consultancy, advisory or client-facing delivery experience.
The position offers varied work across major operational-security programmes, alongside a competitive salary, bonus and benefits package. Hybrid working is available, although some client assignments will require regular on-site attendance.
Applicants must be able to complete the required employment screening, with additional checks potentially required for certain client assignments.
Recruiting at all levels from Consultant to Architect
Salary: £55,000 - £105,000 + bonus + good benefits
Location: Work from any of their offices across the UK.
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Lead OT Cyber Security Consultants / Architects - UK wide in London employer: Avanti
As a Mechanical Design Engineer at our Warrington facility, you will thrive in a dynamic and collaborative work culture that prioritises innovation and technical excellence. We offer competitive hourly rates, comprehensive training, and opportunities for professional growth within the highly regulated nuclear sector, ensuring that your contributions are both meaningful and impactful. Join us to be part of a team that values safety, quality, and continuous improvement in every project phase.
