> Markdown version of [/jobs/ext/4490819-ot-cyber-security-engineer](https://www.wearedevelopers.com/jobs/ext/4490819-ot-cyber-security-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # OT Cyber Security Engineer - **Company:** Vantage Consulting - **Location:** Reading, UK - **Salary:** £60,000.0 - £70,000.0 - **Contract:** Permanent contract - **Skills:** Active Directory, Communications Protocols, Cyber Security, VMware ESX Servers, Supervisory Control and Data Acquisition (SCADA), Intrusion Detection Systems, Network Diagrams, Network Monitoring, TCP/IP, Software Vulnerability Management, Firewalls (Computer Science), Patch Management, Windows Security - **Published:** November 1, 2026 - **Apply:** https://jobsthamesvalley.co.uk/jobs/apply/ats-redirect/?id=3043611193-2 ## About the Role * A degree, HNC/HND or equivalent experience in Electrical/Electronic Engineering, Control Systems, Cybersecurity or a related discipline. * Experience delivering cybersecurity solutions within an Operational Technology / industrial automation environment. * Strong knowledge of industrial automation systems, including PLC, HMI, SCADA, drives and telemetry. * Experience with industrial networking, TCP/IP, managed switches and firewalls. * Experience of cybersecurity technologies such as network monitoring, IDS/IPS, endpoint security and vulnerability management. * Practical understanding of the IEC 62443 family of standards and defence-in-depth principles. * Experience taking projects through the full lifecycle, from specification and design through to testing and on-site commissioning. * Experience with platforms such as Rockwell, Siemens, AVEVA or Ignition would be advantageous. * Knowledge of Microsoft Active Directory and Windows security within an OT environment. * Experience with VMware ESXi and industrial communication protocols would be beneficial. * Strong communication skills and the ability to work confidently with colleagues, clients and other stakeholders. * A structured, adaptable approach with a genuine interest in developing your OT cybersecurity expertise. * Relevant cybersecurity or engineering certifications are desirable, such as: * IEC 62443 / ISA * GICSP * CISSP * Cyber Essentials / Cyber Essentials Plus ## Description * Lead the technical delivery of OT cybersecurity within automation projects, including PLC, HMI, SCADA, servers and industrial networks. * Design and implement secure OT network solutions, including managed L2/L3 switches, firewalls and network monitoring. * Develop and maintain cybersecurity documentation, including risk assessments, asset lists, network diagrams and device configuration standards. * Apply cybersecurity standards and best practice, particularly IEC 62443, NIS and relevant UK guidance. * Support vulnerability, patch management, device hardening and threat management activities. * Design and implement cybersecurity technologies including IDS/IPS, endpoint security and other OT security solutions. * Work with Project Managers to manage cybersecurity scope, risks, issues and technical delivery. * Support testing, commissioning and client handover of cybersecurity solutions. * Provide technical input into bids, proposals and wider automation projects. * Keep up to date with developments in OT cybersecurity, standards and regulations and contribute to continuous improvement across the business.