OT Cybersecurity Consultant

OT Cybersecurity Consultant This is an exciting opportunity to join our growing Cyber Security team as an OT Cybersecurity Consultant, supporting Critical National Infrastructure clients across sectors including Energy, Water, Rail, Highways, Aviation and Defence. You'll work at the intersection of engineering, operational technology and cybersecurity, helping organisations protect the systems and services that underpin the UK's critical infrastructure.

Working alongside operational, engineering and security teams, you'll help assess, design and implement cybersecurity solutions across industrial control system environments. Whether your experience comes from OT cybersecurity, industrial networking, control systems engineering or automation, you'll have the opportunity to contribute to meaningful projects that improve resilience, reduce risk and support secure operations across complex OT estates.

Day to Day
Support the assessment, design and implementation of cybersecurity controls within OT and ICS environments
Work alongside engineers and operational teams to understand system architectures, operational requirements and potential security risks
Review OT networks, industrial control systems and supporting infrastructure to identify opportunities to improve security and resilience
Contribute to the development of secure OT architectures, including network segmentation, remote access and monitoring solutions
Support cybersecurity assessments, technical reviews and security improvement initiatives across a range of Critical National Infrastructure sectors
Produce clear technical documentation, recommendations and client deliverables
Support the identification and mitigation of cyber risks across OT environments
Assist with the integration of security controls across converged IT and OT networks
Work with stakeholders to improve operational resilience and cyber maturity
Contribute to incident readiness, threat detection and monitoring initiatives where required
Keep up to date with developments in OT cybersecurity, industrial technologies and emerging threats
Communicate progress, risks and recommendations effectively with clients and project teams

What's In It For You
Work on impactful cybersecurity projects that help protect the UK's critical national infrastructure
Develop expertise across OT security, industrial control systems and critical infrastructure environments
Gain exposure to a broad range of sectors including Energy, Water, Rail, Highways, Aviation and Defence
Collaborate with experienced cybersecurity consultants, engineers and operational specialists
Build your knowledge of technologies including SCADA, PLCs, RTUs, DCS and industrial communications
Develop experience with OT security technologies supporting asset visibility, monitoring and threat detection
Access mentoring, knowledge sharing and professional development opportunities to support your career growth
Expand your understanding of industry standards and frameworks including IEC 62443, NIST CSF and NIS/NIS2
Progress through clearly defined technical and professional development pathways as your experience grows

Benefits
A global network of expertise and opportunity
A culture founded on safety, integrity, inclusion and belonging
Flexible working arrangements that support your well-being and potential
Investment in your development through training, certifications and access to experienced mentors
Opportunities to contribute to communities of practice and internal cyber security initiatives
Exposure to a variety of projects, sectors and technical challenges
Competitive benefits package including pension, holiday allowance and additional perks
An inclusive environment where diverse perspectives, backgrounds and experiences are valued and encouraged

We welcome applications from candidates with varied backgrounds and experiences. If you don't meet every requirement listed but believe you can bring value to the role, we encourage you to apply.

We welcome applications from candidates who can demonstrate a strong blend of the following skills, experience, and attributes suitable for a Mid - Senior level position:
Experience in OT cybersecurity, ideally gained within Critical National Infrastructure (CNI) or other industrial and operational environments.
Understanding of OT/ICS technologies commonly used across CNI sectors, such as SCADA, DCS, PLCs, RTUs, industrial networking, and safety systems.
Hands-on experience with security engineering technologies across both IT and OT networks (e.g., endpoint protection tools, firewalls, intrusion detection systems).
Familiarity with key standards, frameworks, and regulations, including IEC 62443, NIST CSF, the ISO 27000 series, MITRE ATT&CK, and NIS/NIS
2.
Excellent stakeholder engagement and communication skills, with the ability to articulate threat-based and risk-informed security considerations in clear business terms, enabling risk owners to make proportionate and well-informed decisions.
Understanding of core design principles…