OT Cybersecurity Consultant

At Jacobs, we're challenging today to reinvent tomorrow by solving the world's most critical problems for thriving cities, resilient environments, mission- critical outcomes, operational advancement, scientific discovery and cutting-edge manufacturing, turning abstract ideas into realities that transform the world for good.

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.

• Support the assessment, design and implementation of cybersecurity controls within OT and IC 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

• 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

• 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

#DigitalUKI

• 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
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• 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 related to operational…