OT Security Engineer

OT Security Engineer

Posted 1 day ago by X4 Technology

£35 Per hour
Outside
Undetermined
Worcestershire, England, United Kingdom

Summary: The OT Security Engineer role focuses on ensuring the security and stability of Operational Technology (OT) and industrial control systems (ICS) within manufacturing environments. The position involves managing vulnerability assessments, patch management, and risk assessments while collaborating with various teams to maintain secure operations. The contract is for 6 months with a potential for extension and is classified as outside IR35. The role is based in Worcestershire, England.

Key Responsibilities:

  • Support security of Operational Technology (OT) and industrial control system (ICS) environments across manufacturing and production sites.
  • Manage and coordinate vulnerability identification, assessment, prioritisation, and remediation activities across OT assets and systems.
  • Oversee and support patch management processes for OT environments, working with site teams to plan, test, and implement updates without impacting production.
  • Conduct risk assessments for OT systems, changes, and known vulnerabilities, providing clear remediation recommendations aligned to operational constraints.
  • Collaborate with engineering, automation, and site operations teams to ensure secure configuration and lifecycle management of OT systems and applications.

Key Skills:

  • Proven experience working in Operational Technology (OT), Industrial Control Systems (ICS), SCADA, or manufacturing environments.
  • Strong understanding of vulnerability management processes, including scanning, risk scoring, prioritisation, and remediation planning in complex environments.
  • Experience coordinating or executing patch management in production or high-availability environments with strict change control requirements.
  • Working knowledge of Windows and Linux security hardening, including system configuration, baseline security controls, and lifecycle maintenance.
  • Ability to assess operational and cybersecurity risk, communicate findings clearly, and work effectively with technical and non-technical stakeholders in industrial environments.

Salary (Rate): £35.00/hr

City: Worcestershire

Country: United Kingdom

Working Arrangements: undetermined

IR35 Status: outside IR35

Seniority Level: undetermined

Industry: IT

Detailed Description From Employer:

Job Title: OT Security Engineer

Day Rate: £250-300/day (OUTSIDE IR35)

Location: Worcestershire

Contract Length: 6 months (extendable)

OT Security Engineer - Role & Responsibilities

  • Support security of Operational Technology (OT) and industrial control system (ICS) environments across manufacturing and production sites, ensuring secure and stable operations.
  • Manage and coordinate vulnerability identification, assessment, prioritisation, and remediation activities across OT assets and systems.
  • Oversee and support patch management processes for OT environments, working with site teams to plan, test, and implement updates without impacting production.
  • Conduct risk assessments for OT systems, changes, and known vulnerabilities, providing clear remediation recommendations aligned to operational constraints.
  • Collaborate with engineering, automation, and site operations teams to ensure secure configuration and lifecycle management of OT systems and applications.

OT Security Engineer - Required Experience

  • Proven experience working in Operational Technology (OT), Industrial Control Systems (ICS), SCADA, or manufacturing environments.
  • Strong understanding of vulnerability management processes, including scanning, risk scoring, prioritisation, and remediation planning in complex environments.
  • Experience coordinating or executing patch management in production or high-availability environments with strict change control requirements.
  • Working knowledge of Windows and Linux security hardening, including system configuration, baseline security controls, and lifecycle maintenance.
  • Ability to assess operational and cybersecurity risk, communicate findings clearly, and work effectively with technical and non-technical stakeholders in industrial environments.

Interviews: May 2026

Start Date: June 2026

How to Apply: Apply to Gary Hargreaves at X4 Technology to learn more about the role or connect with me on LinkedIn to hear about regular job updates available with X4 Technology