Senior Cyber Security Consultant | Careers
About this role
The Future of Geospatial in UK Water - Download the whitepaper Open roles Senior Cyber Security Consultant Role info Consultant Full Time Solihull - UK Competitive Apply Now Share this role Introduction 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. The role 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. Responsibilites 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. Safer, smarter, more resilient infrastructure. Newsletter We never expose your data to 3rd parties Thank you, your submission has been received! Oops! Something went wrong while submitting the form. Navigate Home About Us Solutions People Our Clients Get in Touch Careers Solutions IT/OT transformation & managed services Power infrastructure design & engineering Enterprise optimisation Asset intelligence & security More Health Safety and Environment Policy Modern Slavery Statement Privacy and Registered in England & Wales 05704180.
What this role is, and what else it is called
Employers in the UK advertise this kind of work as Security Engineer, Fire & Security Engineer, Cybersecurity Engineer and Cyber Security Consultant too, so it is worth searching more than one wording. It is a senior Cybersecurity role in the UK, advertised as fully remote, so it is open to candidates working from home.
About hiring at Nxzen
Nxzen has 22 other live technology roles on its careers page, across Data, AI & Machine Learning, DevOps, Platform & SRE and Cloud & IT Infrastructure. Of those, 4% are advertised as fully remote and 65% as hybrid. Elsewhere in its adverts Nxzen asks for SAP, Azure, AWS, Terraform and Google Cloud. We have been observing Nxzen hiring technology staff since May 2026. See all Nxzen roles, salaries and stack.
How this role compares to the market
237 live UK roles list Cisco right now, from 75 employers. The median advertised salary is £40,000; 18% are advertised as remote. Browse Cisco roles.
Senior roles make up 1,630 of the live UK IT market and advertise a median of £80,000.
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Technologies mentioned
Detected on Nxzen's careers page. ProdReady Recruitment lists this vacancy as an aggregator and is not the employer; applications go to the employer's own site.