OT Security Specialist

6 days ago

London, Greater London, United Kingdom Bridewell Consulting Full time

About the Role


We are seeking a highly experienced and skilled Senior Consultant to join our Operational Technology (OT) Cyber Security team at Bridewell Consulting. As a Senior OT Security Consultant, you will play a key role in delivering OT Cyber Security services to our clients across various industries, including energy, water, aviation, and manufacturing.


Key Responsibilities

  • Deliver OT Cyber Security services to clients, including transitioning them to a position of mature Cyber Security & resilience.
  • Support clients in implementing frameworks, standards, and guidance, including ISA/IEC62443, NCSC CAF, NIST SP 800-82, and HSE OG86.
  • Help clients understand their attack vectors that could be exploitable by threats.
  • Design secure OT network architectures and perimeter defences.
  • Design OT remote access solutions.
  • Design OT cloud data centre solutions.
  • Delivery of innovative security solutions to overcome security limitations of older OT systems.
  • Support the selection and development of security solutions and technologies.


Requirements

  • Excellent verbal communication skills with the ability to engage confidently with a variety of different stakeholders, including engineers and senior management.
  • Deep understanding of common OT cyber security controls and approaches.
  • Delivered Cyber Security solutions for OT systems across all levels of the Purdue Enterprise Reference Architecture (PERA) model.
  • Experience in operating within industrial environments, including familiarity with common management of change procedures, as well as FAT & SAT.
  • Experience in applying innovative solutions to overcome common Cyber Security challenges in OT environments, including IdAM limitations, lack of message authentication in OT protocols, and complexities with the application security updates.
  • Ability to understand and articulate the impacts of cyber security events in various OT environments.
  • Understanding of the different priorities of cyber security in OT vs IT.
  • Strong understanding and knowledge of performing cyber risk assessments.
  • Demonstrable knowledge of cyber security frameworks, including but not limited to ISA/IEC 62443, NCSC CAF, NIST SP 800-82, HSE OG86, and ISA TR84.
  • Ability to understand and interpret process control and single-line diagrams.
  • Experience of designing and implementing enterprise security.
  • Awareness and understanding of the OT security threat landscape.
  • Broad understanding of a range of computer operating systems.
  • Strong network and network security capabilities.
  • Very strong understanding of SCADA and PLC technologies.
  • Very strong technical authoring capabilities.
  • Experience of cloud platforms is advantageous.


What We Offer

  • Competitive salary.
  • 25 Days Holiday - plus buy and sell options.
  • Flexible working (around core office hours).
  • Profit share scheme.
  • Company pension.
  • Employee shareholder scheme.
  • Dedicated training budget.
  • Home office equipment (for remote working employees).
  • Life assurance.
  • Cycle to work scheme.
  • Electric vehicle scheme.
  • Private healthcare (incl. gym discounts).
  • Vision care.
  • Birthday off (after 1 year).

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