OT Cybersecurity Consultant

Jacobs Engineering Group Inc.; Greater London; Hybrid; GBP 60,000 - 90,000; Full time

Benefits offered by this job

Pension

Flexible working

Learning & development

Hybrid working policy

Job summary

Jacobs is seeking an OT Cybersecurity Consultant to support Critical National Infrastructure across Energy, Water, Rail, Highways, Aviation and Defence. You will work at the intersection of engineering, operations and cybersecurity to protect OT systems and enable secure operations across complex OT estates.

You will assess, design and implement security controls, contribute to secure OT architectures, and produce client deliverables.

Qualifications

• Experience in OT cybersecurity within critical infrastructure or industrial environments.
• Understanding of OT/ICS technologies such as SCADA, DCS, PLCs, RTUs and industrial networking.
• Ability to communicate risk-informed security considerations to business owners.

Responsibilities

• Assist design and implementation of cybersecurity controls in OT/IC environments.
• Collaborate with engineers and operations to understand architectures and security risks.
• Review OT networks and supporting infrastructure to identify security improvements.

Skills

OT cybersecurity

Industrial networks

Threat modeling

Stakeholder comms

Security architecture

Tools

Endpoint protection

Firewalls

IDS/IPS

Security monitoring

Job description

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.

Your impact

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
• 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.

#LI-JW8 #DigitalUKI

Here's what you'll need

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/NIS2.
• 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 safety, reliability, resilience, and secure system lifecycle management.
• Awareness of cloud and edge technology integration within OT environments.

Joining Jacobs not only connects you locally but globally. Our values stand on a foundation of safety, integrity, inclusion and belonging. We put people at the heart of our business, and we truly believe that by supporting one another through our culture of caring, we all succeed. We value positive mental health and a sense of belonging for all employees.

With safety and flexibility always top of mind, we’ve gone beyond traditional ways of working so you have the support, means and space to maximize your potential. You’ll uncover flexible working arrangements, benefits, and opportunities, from well-being benefits to our global giving and volunteering program, to exploring new and inventive ways to help our clients make the world a better place. No matter what drives you, you’ll discover how you can cultivate, nurture, and achieve your goals – all at a single global company. Find out more about life at Jacobs .

We aim to embed inclusion and belonging in everything we do. We know that if we are inclusive, we’re more connected and creative. We accept people for who they are, and we champion the richness of different perspectives, lived experiences and backgrounds in the workplace, as a source of learning and innovation. We are committed to building vibrant communities within Jacobs, including through our Jacobs Employee Networks, Communities of Practice and our Find Your Community initiatives, allowing every employee to find connection, purpose, and belonging.Find out more about ourJacobs Employee Networks here .

Jacobs partners with VERCIDA to help us attract and retain talent from a wide range of backgrounds. For greater online accessibility please visit https://www.vercida.com/uk/employers/jacobs to view and access our roles.

As a disability confident employer, we will interview disabled candidates who best meet the criteria. We welcome applications from candidates who are seeking flexible working and from those who may not meet all the listed requirements for a role.

We value collaboration and believe that in-person interactions are crucial for both our culture and client delivery. We empower employees with our hybrid working policy, allowing them to split their work week between Jacobs offices/projects and remote locations enabling them to deliver their best work.

Your application experience is important to us, and we’re keen to adapt to make every interaction even better. If you require further support or reasonable adjustments with regards to the recruitment process (for example, you require the application form in a different format), please contact the team via Careers Support .