OT Cyber Security Architect – Critical Infrastructure

Jacobs; City of Edinburgh; Hybrid; GBP 70,000 - 110,000; Full time

Benefits offered by this job

Global network of expertise

Certification opportunities

Flexible working arrangements

Mentoring and development

Job summary

Jacobs is seeking an experienced OT cyber security architect to join our Cyber & Digital team in the UK. You’ll design secure OT environments, guide senior client stakeholders, and help shape industrial cyber security across critical national infrastructure.

You’ll lead design and delivery across regulated industrial sectors, embedding Zero Trust, segmentation and secure integration between IT and OT while maintaining operations. The role offers hybrid working within a global engineering network.

Qualifications

• Experience designing and delivering OT cyber security architectures within critical infrastructure, industrial or highly regulated environments.
• Strong understanding of ICS, SCADA environments and OT networking principles.
• Experience implementing network segmentation, secure remote access and OT monitoring solutions.
• Knowledge of OT security platforms such as Nozomi, Claroty, Dragos, OPSWAT or similar technologies.
• Experience developing logging, telemetry and detection capabilities within operational environments.
• Understanding of operational risk, asset criticality and the balance between security, safety and operational performance.
• Familiarity with IEC 62443, NIST CSF, NIS CAF, ISO 27001 and NIS/NIS2.
• Experience in energy, utilities, transport, manufacturing or other critical infrastructure sectors.
• Strong stakeholder engagement skills with the ability to influence diverse audiences.
• Experience leading technical workstreams, cyber security programmes or multidisciplinary delivery teams.

Responsibilities

• Design and develop OT cyber security architectures aligned to industry frameworks and regulatory requirements including IEC 62443, NIS/NIS2 and Zero Trust principles.
• Define secure network segmentation, access control and monitoring strategies across complex industrial and operational environments.
• Develop secure integration patterns between IT and OT systems while maintaining operational performance and resilience.
• Translate cyber security risk assessments into practical target-state architectures, security controls and implementation roadmaps.
• Embed secure-by-design principles throughout the asset lifecycle from design and deployment through to operation and maintenance.
• Lead the delivery of OT cyber security initiatives including monitoring, vulnerability management, secure remote access and resilience improvement programmes.
• Develop reference architectures, standards and security patterns that support long-term cyber security maturity.
• Support the evaluation, selection and deployment of OT security technologies and platforms.
• Advise senior stakeholders including CISOs, CIOs, operational leaders and engineering teams on cyber risk, resilience and investment priorities.
• Facilitate collaboration across cyber security, engineering, operational and technology teams to achieve secure business outcomes.
• Support organisations operating within regulated environments and contribute to compliance activities where required.
• Communicate technical concepts, risks and recommendations effectively to both technical and non-technical audiences.

Skills

OT security architectures

ICS/SCADA

OT networking

stakeholder engagement

leading technical workstreams

Tools

Nozomi

Claroty

Dragos

OPSWAT

Job description

Jacobs is seeking an experienced OT cyber security architect to join our Cyber & Digital team in the UK. You’ll design secure OT environments, guide senior client stakeholders, and help shape industrial cyber security across critical national infrastructure.

You’ll lead design and delivery across regulated industrial sectors, embedding Zero Trust, segmentation and secure integration between IT and OT while maintaining operations. The role offers hybrid working within a global engineering network.