Senior Cyber Security Consultant
Senior Cyber Security Consultant

Senior Cyber Security Consultant

Full-Time 70000 - 90000 £ / year (est.) No home office possible
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At a Glance

  • Tasks: Lead and deliver complex security engagements for UK Energy & Utilities clients.
  • Company: Join a leading consultancy in the cyber security sector.
  • Benefits: Competitive salary, flexible working, and opportunities for professional growth.
  • Other info: Mentor junior consultants and engage with senior stakeholders.
  • Why this job: Shape security strategies and make a real impact in the energy sector.
  • Qualifications: Extensive OT/ICS experience and strong consulting skills required.

The predicted salary is between 70000 - 90000 £ per year.

We are seeking a highly experienced Senior OT Security Consultant to lead and deliver complex security engagements across UK Energy & Utilities clients. This senior role will be responsible for shaping security strategy, leading technical delivery, influencing senior stakeholders, and mentoring consultants across IT/OT security domains. The ideal candidate brings deep OT/ICS expertise, an understanding of energy and utility sector regulations, strong consulting capability, and the ability to operate confidently at both technical and executive levels.

ABOUT THE ROLE

  • OT Security Advisory Leadership
    • Lead OT and ICs security strategy development, maturity assessments, and architectural reviews.
    • Advise senior client stakeholders on governance, risk, resilience, and regulatory obligations.
    • Define OT security improvement roadmaps and investment cases.
  • Technical OT / ICs Delivery Leadership
    • Lead design and validation of secure OT architectures including segmentation, firewalls, DMZs, and remote access.
    • Oversee OT vulnerability assessments, configuration reviews, and secure integration of ICs solutions.
    • Provide senior guidance during OT cyber incidents including containment, forensics, and recovery.
  • Regulatory & Compliance Expertise
    • Interpret and apply NIS/NISR, Ofgem/Ofwat expectations, NCSC CAF and IEC62443 requirements.
    • Support audit readiness, evidence collation, and remediation planning.
  • Client Engagement & Delivery Excellence
    • Own client relationships and act as senior point of escalation.
    • Produce and review high-quality deliverables including designs, assessments, and reports.
    • Lead proposals, pre‑sales activities and contribute to business development.
    • Mentor and coach junior consultants.

Responsibilities

Essential Experience

  • Extensive experience with OT, ICs, SCADA, DCS and industrial networking.
  • Proven track record delivering and leading OT security engagements in Energy & Utilities.
  • Expert understanding of ICs protocols (Modbus, DNP3, IEC‑104, OPC/UA etc.).
  • Significant experience designing and reviewing OT architectures using the Purdue Model.
  • Strong familiarity with major OT/ICs vendors (Siemens, ABB, GE, Schneider Electric).
  • Experience applying frameworks such as IEC62443, NIST CSF, NIST 800‑82, NCSC CAF.
  • Senior‑level stakeholder management experience.

Certifications – Highly Desirable

  • OT/ICs Security/Safety Certifications ISA/IEC 62443 Cybersecurity Expert GIAC: GRID, GICSP, GCIP TÜV Certified Cyber Security or Functional Safety (preferred)

General Security Certifications

  • CISSP, CISM, ISO 27001 Lead Implementer/Lead Auditor

Engineering Certifications

  • CCNA/CCNP or equivalent networking certification (optional)

Personal Attributes

  • Strategic thinker with ability to influence senior stakeholders.
  • Strong analytical and problem‑solving capability.
  • Excellent communication and documentation skills.
  • Ability to work flexibly across industrial client environments.

The candidate Nice to have

  • Technical Leadership Skills
  • Experience with OT IDS technologies (e.g. Claroty, Nozomi, Dragos).
  • Knowledge of secure ICs engineering lifecycle and OT asset management.
  • Experience leading OT penetration testing or red‑team style engagements.
  • Understanding of IoT/IIoT integrations and cloud‑connected OT systems.

Consulting & Leadership Skills

  • Ability to translate complex OT risks into business‑aligned recommendations.
  • Strong workshop facilitation and presentation capability.
  • Ability to lead multidisciplinary teams and manage complex client programmes.

Senior Cyber Security Consultant employer: nxzen Global

As a Senior Cyber Security Consultant with us, you will join a dynamic and innovative team dedicated to enhancing the security landscape within the UK Energy & Utilities sector. We pride ourselves on fostering a collaborative work culture that encourages professional growth through mentorship and continuous learning opportunities, while also offering competitive benefits and a commitment to work-life balance. Our location provides a unique advantage, allowing you to engage directly with key industry stakeholders and make a meaningful impact in a rapidly evolving field.
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Contact Detail:

nxzen Global Recruiting Team

StudySmarter Expert Advice 🤫

We think this is how you could land Senior Cyber Security Consultant

✨Network Like a Pro

Get out there and connect with people in the industry! Attend conferences, webinars, or local meetups related to cyber security. You never know who might have a lead on your dream job or can introduce you to someone influential.

✨Show Off Your Expertise

When you get the chance to chat with potential employers, don’t hold back! Share your insights on OT security strategies and recent trends in the energy sector. This will not only showcase your knowledge but also demonstrate your passion for the field.

✨Tailor Your Approach

Every company is different, so make sure you tailor your conversations to align with their specific needs and challenges. Research their current projects and think about how your skills can help them achieve their goals.

✨Apply Through Our Website

Don’t forget to check out our website for the latest job openings! Applying directly through us not only shows your interest but also gives you a better chance of being noticed by our hiring team.

We think you need these skills to ace Senior Cyber Security Consultant

OT Security Strategy Development
ICS Expertise
Energy and Utility Sector Regulations
Governance and Risk Management
OT Architecture Design
Vulnerability Assessments
Incident Response
Regulatory Compliance (NIS/NISR, IEC62443)
Client Relationship Management
High-Quality Deliverable Production
Stakeholder Management
Analytical Skills
Problem-Solving Skills
Communication Skills
Technical Leadership

Some tips for your application 🫡

Tailor Your CV: Make sure your CV is tailored to the Senior Cyber Security Consultant role. Highlight your experience with OT/ICS, energy sector regulations, and any relevant certifications. We want to see how your skills align with 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 the perfect fit for this role. Share specific examples of your past experiences that relate to the responsibilities mentioned in the job description. Let us know how you can add value!

Showcase Your Leadership Skills: Since this is a senior role, we’re keen to see your leadership capabilities. Mention any experience you have in mentoring or leading teams, especially in OT security contexts. We love candidates who can inspire and guide others!

Apply Through Our Website: Don’t forget to apply through our website! It’s the best way for us to receive your application and ensures you’re considered for the role. Plus, it shows you’re serious about joining our team at StudySmarter!

How to prepare for a job interview at nxzen Global

✨Know Your OT/ICS Inside Out

Make sure you brush up on your knowledge of OT and ICS systems, especially protocols like Modbus and DNP3. Be ready to discuss how you've applied this expertise in past roles, as it will show your depth of understanding and experience in the field.

✨Showcase Your Leadership Skills

Prepare examples that highlight your ability to lead teams and influence senior stakeholders. Think about specific situations where you’ve shaped security strategies or mentored junior consultants, as these experiences will resonate well with the interviewers.

✨Understand Regulatory Frameworks

Familiarise yourself with key regulations such as NIS/NISR and IEC62443. Be prepared to discuss how you’ve navigated compliance challenges in previous roles, as this will demonstrate your capability to handle the regulatory aspects of the job.

✨Engage with Real-World Scenarios

Be ready to tackle hypothetical scenarios related to OT cyber incidents or vulnerability assessments. This will not only showcase your technical skills but also your problem-solving abilities and how you approach complex situations in a high-stakes environment.

Senior Cyber Security Consultant
nxzen Global

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