Senior Cybersecurity Engineer

Salary: £38,000 - 78,000 per year

Requirements:

• Extensive experience in OT, ICS, or SCADA environments and strong knowledge of industrial cybersecurity architectures, including zones, conduits, segmentation, Active Directory, PKI, secure remote access, and risk and vulnerability management.
• Hands-on experience with firewalls, IDS/IPS, endpoint security, and SIEM platforms, including security monitoring, threat detection, and incident response.
• Strong understanding of industrial protocol security and OT security best practices, including jump hosts, bastion hosts, and MFA-enabled connectivity.
• Applied knowledge of cybersecurity frameworks and standards, including NIST, ISO 27001, IEC 62443, and the NCSC Cyber Assessment Framework (CAF).
• Strong networking knowledge, including Ethernet-based industrial networks, switching, high availability, redundancy, segmentation, link aggregation, routing protocols, and wireless technologies.
• Practical experience designing and implementing TCP/IP networks, VLANs, trunking, VPNs, NAT, firewalls, data diodes, WAN, and secure remote access; network troubleshooting and packet analysis, including industrial protocols.
• Experience administering and securing Windows Server and clients, Linux/Unix, and Active Directory environments, including Group Policy, PKI, certificate authorities, certificate management, and hardening.
• Experience with virtualization platforms such as VMware vSphere, ESXi, and Hyper-V; OT endpoint security; backup and recovery; and scripting or automation using Bash, Python, or similar languages.
• Experience using cybersecurity assessment tools and working with cloud-connected OT architectures is desirable.
• Familiarity with cybersecurity, networking, and remote access technologies from vendors such as Cisco, Palo Alto, Fortinet, Moxa, Hirschmann, Claroty, and Schneider Electric is desirable.
• Strong analytical, troubleshooting, and communication skills, with the ability to engage technical and non-technical stakeholders.
• Proactive and self-motivated, able to manage multiple priorities independently and as part of multidisciplinary teams, with a willingness to learn and develop across cybersecurity and OT disciplines.
• A degree-level qualification in Cybersecurity, Information Technology, Computer Science, Engineering, or a related discipline is desirable.
• Relevant certifications are advantageous, including CISSP, CISM, GICSP, CEH, OSCP, CCSP, CCNA/CCNP, ISA/IEC 62443, and other recognized OT, cybersecurity, cloud, or vendor-specific certifications.
• Relevant safety certifications, such as Safety Passport or BOSIET.

Responsibilities:

• Design, implement, and support cybersecurity solutions for industrial and critical infrastructure customers.
• Configure, maintain, and troubleshoot network and host-based security technologies.
• Develop and review secure architectures, standards, procedures, and security controls.
• Support system hardening, vulnerability management, and security improvement initiatives.
• Produce technical documentation, reports, procedures, and customer deliverables.
• Perform IEC 62443 cybersecurity risk assessments and vulnerability assessments in OT and industrial environments.
• Plan and manage customer workshops to gather OT cybersecurity requirements and support design and implementation.
• Work with customers, Schneider Electric project and operations teams, and other stakeholders to deliver cybersecurity projects.
• Provide technical leadership and act as an escalation point for complex technical issues.
• Mentor, coach, and share knowledge with other cybersecurity team members.

Technologies:

• Active Directory
• Bash
• Cloud
• Cisco
• Ethernet
• Hyper-V
• Support
• Linux
• NAT
• Network
• Python
• Security
• TCP/IP
• Unix
• VMware
• Windows
• VPN

More:

We are seeking an experienced OT/IACS Cybersecurity Engineer to join our growing UK&I cybersecurity delivery team, delivering cybersecurity solutions, consulting services, and technical support in industrial and critical infrastructure environments. You will support customers throughout the project lifecycle, from assessments and design to implementation, support, and continuous improvement. The role involves approximately 30–50% travel across the UK, with occasional travel to Ireland and other European locations. For this UK-based full-time position, the expected pay range is GBP 57,600–86,400 per year, including base pay and short-term incentives. We offer a competitive salary and bonus scheme, 28 days of annual leave plus public holidays, a pension scheme, employee share ownership, health and wellbeing support, Gym Flex, discounts, learning resources, mentoring, and global career opportunities. We foster an inclusive workplace, participate in the Disability Confident Program, and provide equitable opportunities for employees to develop and contribute.

last updated 39 week of 2026