Cyber Security Consultant
hace 1 día
Solihull
About us nxzen is a global technology, consulting, and engineering partner advancing the national infrastructure that society depends on. Our mission is to empower energy, utilities, and national infrastructure providers to deliver safer, smarter, and more resilient operations. Backed by leading investors, we combine deep domain expertise with engineering excellence and digital innovation to deliver measurable impact. Our solutions include NNNCo’s national-scale IoT networks, EAD’s turnkey renewable and grid energy systems, Digital Twin Simulation for real-time predictive optimisation, and N2N’s connected infrastructure platform for end-to-end asset intelligence. We help operators modernise, connect, and optimise national systems to meet performance, compliance, and net-zero goals without compromise. The role OT Security Consultant Location: UK (Hybrid) Cyber Security Reports to: Head of Cyber Security 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. ABOUT THE ROLE OT Security Advisory · Deliver expert consultancy on OT and ICS 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 ICS 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. · Support pre‑sales activities. What we’re looking for Essential Experience · 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 · ISA/IEC 62443 Cybersecurity · GIAC (GRID, GICSP, GCIP) General Security Certifications · CISM, CISSP, ISO 27001 Lead Implementer/Auditor Engineering Certifications · CCNA/CCNP (optional) Personal Attributes · Strong analytical and problem‑solving skills. · Calm under pressure. · Comfortable working on industrial client sites. · Strong communication skills. · Collaborative mindset. Nice to have · Understanding of OT vs IT architecture differences. · Knowledge & experience of OT IDS technologies (e.g. Nozomi, Claroty, Dragos). · Understanding of industrial networking and gateways. · Experience with OT focused penetration testing. · Knowledge of cloud‑integrated OT solutions. · Consulting Skills · Ability to translate technical findings into business recommendations. · Strong stakeholder management. · Comfortable delivering workshops. Why join us? At nxzen, we’re more than designers, engineers, or consultants - we’re one global team with one shared purpose: to solve what matters and stand by it. For us, delivery isn’t the end; it’s the expectation. We stay accountable long after the work is done, because integrity, care, and lasting impact are at the heart of how we show up - for each other, for our customers, and for the systems we serve. Joining nxzen means becoming part of a company that is advancing the national infrastructure society depends on. Backed by leading investors and powered by domain expertise, engineering excellence, and digital innovation, we help energy, utilities, and infrastructure providers deliver safer, smarter, and more resilient operations. Here, you’ll: 1. Take on complex, high-stakes challenges that matter — from shaping the energy transition to strengthening critical national systems., 2. Learn from and collaborate with global leaders and specialists across consulting, engineering, and technology., 3. Be trusted to deliver and supported to grow, with opportunities to sharpen your skills and expand your impact., 4. Join a team that values fresh thinking and real follow-through, where your creativity will make a measurable difference. This is work that lasts. Work that powers communities, protects critical networks, and accelerates progress toward net-zero. And it starts with people like you. Benefits & perks We want you to thrive both at work and in life. Here’s what we offer to support your wellbeing and career: · Pension scheme with a 5% employer contribution and 5% employee contribution, helping you build a secure future. · Employee Assistance Programme (EAP) providing confidential support when you need it most. · EV scheme to help you drive toward a greener future. · Life assurance at 4x your salary, giving you and your loved ones peace of mind. · Private healthcare (for Level 3+ employees) to help you take care of yourself. · 25 days’ annual leave + 8 bank holidays so you can rest, recharge, and spend time on what matters. · LinkedIn Learning access, giving you thousands of courses to sharpen your skills and fuel your growth. · Free on-site parking, making your commute that bit easier. Our hiring process We know your time is valuable, so we keep our process clear and straightforward: 1. Application review – Our team will assess your CV and portfolio against the role requirements., 2. Initial interview – A short call to understand your experience, skills, and motivations., 3. Practical task – You may be given a short exercise to showcase your ability., 4. Final interview – Meet with team leaders and Client Partners to discuss collaboration, technical skills, and fit., 5. Offer & onboarding – If successful, you’ll receive an offer and begin your journey with nxzen We value fairness, speed, and respect at every stage of the process. You’ll always know where you stand, and we’ll provide feedback along the way. Diversity & inclusion statement As a global technology, consulting, and engineering partner, we are committed to fostering an inclusive environment where every individual is valued and empowered to contribute their unique talents. We embrace diversity in all its forms – across gender, ethnicity, culture, and experience – and are dedicated to creating a workplace that reflects the communities we serve. Together, we drive innovation and deliver excellence to our clients.