OT Security Consultant

OT Security Consultant

Full-Time 60000 - 80000 £ / year (est.) No home office possible
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At a Glance

  • Tasks: Support Energy & Utilities clients in enhancing their IT/OT security capabilities.
  • Company: Join a leading consultancy focused on critical national infrastructure.
  • Benefits: Competitive salary, flexible working options, and opportunities for professional growth.
  • Other info: Dynamic role with hands-on experience and client engagement in a complex environment.
  • Why this job: Make a real difference in securing vital energy systems and managing cyber risks.
  • Qualifications: Experience with OT security, industrial control systems, and strong analytical skills.

The predicted salary is between 60000 - 80000 £ per year.

We are seeking an experienced OT Security Consultant to support our Energy & Utilities clients in designing, implementing and maturing their IT/OT security capabilities. In this role, you will work with Critical National Infrastructure (CNI) operators, distribution networks, generation facilities and major utilities organisations to help them secure their operational technology environments, manage cyber risk, and comply with sector‑specific regulations.

The ideal candidate will have strong hands‑on experience across industrial control systems (ICS), SCADA, OT network security, and a solid understanding of the challenges faced by organisations in the UK Energy & Utilities sectors. This role suits someone who thrives in complex environments, can communicate effectively with engineering teams and senior stakeholders, and enjoys blending security engineering with consultancy.

OT Security Advisory

  • Deliver expert consultancy on OT and IC security, providing guidance across risk management, architecture, governance, strategy, and controls implementation.
  • Conduct OT security assessments, including maturity reviews, threat modelling and risk assessments aligned to industry standards.
  • Support clients in developing OT security improvement plans, security roadmaps and investment cases.

Technical OT /ICS Security Delivery

  • Perform OT network security reviews, segmentation assessments and architecture validation work.
  • Assist with the design and implementation of secure OT networks, including firewalls, DMZs, data diodes and remote access solutions.
  • Conduct vulnerability assessments within IC environments.

Regulatory & Compliance Support

  • Guide clients on compliance with UK frameworks such as NIS/NISR and NCSC CAF.
  • Assist with audit preparation, documentation and remediation planning.

Client Engagement & Delivery Leadership

  • Work with engineering, IT, security, and operations teams.
  • Produce high‑quality consultancy deliverables.

Responsibilities

  • Experience with operational technology, industrial control systems and SCADA.
  • Experience delivering OT security projects within the Energy & Utilities sector.
  • Understanding of industrial protocols.
  • Hands‑on experience with OT network design and security.
  • Familiarity with control system vendors.
  • Experience applying OT frameworks such as IEC62443.

Certifications – Highly Desirable

  • OT/ICS Security/Safety Certifications
  • General Security Certifications
  • Engineering Certifications

Personal Attributes

  • Strong analytical and problem‑solving skills.
  • Comfortable working on industrial client sites.

The candidate Nice to have

  • Understanding of OT vs IT architecture differences.
  • Knowledge & experience of OT IDS technologies such as Nozomi, Claroty, Dragos.
  • Understanding of industrial networking and gateways.
  • Experience with OT focused penetration testing.
  • Knowledge of cloud‑integrated OT solutions.
  • Ability to translate technical findings into business recommendations.
  • Comfortable delivering workshops.

OT Security Consultant employer: nxzen Global

As an OT Security Consultant with us, you will join a dynamic team dedicated to enhancing the security of critical national infrastructure within the Energy & Utilities sector. We pride ourselves on fostering a collaborative work culture that values innovation and professional growth, offering extensive training and development opportunities tailored to your career aspirations. Located in the heart of the UK, our company provides a unique chance to engage with industry leaders while making a meaningful impact on national security.
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Contact Detail:

nxzen Global Recruiting Team

StudySmarter Expert Advice 🤫

We think this is how you could land OT Security Consultant

✨Network Like a Pro

Get out there and connect with people in the Energy & Utilities sector. Attend industry events, webinars, or even local meetups. The more you engage with professionals, the better your chances of landing that OT Security Consultant role.

✨Show Off Your Skills

When you get the chance to chat with potential employers, don’t hold back! Share your hands-on experience with ICS, SCADA, and OT network security. Let them know how you can tackle the challenges they face in their operational technology environments.

✨Tailor Your Approach

Every company is different, so make sure you tailor your discussions to their specific needs. Research their current OT security posture and come prepared with ideas on how you can help them improve. This shows initiative and that you’re genuinely interested in their success.

✨Apply Through Our Website

Don’t forget to apply through our website! It’s the best way to ensure your application gets noticed. Plus, we love seeing candidates who are proactive about their job search and want to be part of our team.

We think you need these skills to ace OT Security Consultant

OT Security
Industrial Control Systems (ICS)
SCADA
OT Network Security
Cyber Risk Management
Regulatory Compliance
Risk Assessments
Threat Modelling
Network Design
Vulnerability Assessments
IEC62443 Framework
Analytical Skills
Problem-Solving Skills
Client Engagement
Communication Skills

Some tips for your application 🫡

Tailor Your CV: Make sure your CV is tailored to the OT Security Consultant role. Highlight your experience with industrial control systems, SCADA, and any relevant certifications. We want to see how your skills match what we're looking for!

Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Use it to explain why you're passionate about OT security and how your background makes you a great fit for our team. Keep it engaging and relevant to the Energy & Utilities sector.

Showcase Your Problem-Solving Skills: In your application, don’t forget to mention specific examples where you've tackled complex challenges in OT environments. We love seeing how you approach problems and come up with effective solutions!

Apply Through Our Website: We encourage you to apply directly through our website. It’s the best way to ensure your application gets into the right hands. Plus, it shows us you’re keen on joining the StudySmarter family!

How to prepare for a job interview at nxzen Global

✨Know Your OT Security Basics

Make sure you brush up on your knowledge of operational technology and industrial control systems. Be ready to discuss specific frameworks like IEC62443 and how they apply to the Energy & Utilities sector. This will show that you understand the technical landscape and can engage in meaningful conversations.

✨Showcase Your Consultancy Skills

Prepare examples from your past experiences where you've successfully delivered consultancy services. Highlight how you’ve helped clients with risk management, compliance, or security assessments. This will demonstrate your ability to blend security engineering with consultancy, which is key for this role.

✨Communicate Effectively

Practice explaining complex technical concepts in simple terms. You’ll need to communicate with both engineering teams and senior stakeholders, so being able to translate technical findings into business recommendations is crucial. Consider doing mock interviews to refine this skill.

✨Understand the Regulatory Landscape

Familiarise yourself with UK regulations like NIS/NISR and NCSC CAF. Be prepared to discuss how these frameworks impact OT security and how you can assist clients in achieving compliance. Showing that you’re knowledgeable about regulatory requirements will set you apart from other candidates.

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