OT Security

A global organisation are looking for an experienced Operational Technology (OT) Security Engineer with Lab experience to join a global R&D team. You will play a key role in securing and managing OT environments, supporting new implementations to manage firewall policy and support OT security controls within the OT and IT environment.

This will be a 6-12 months contract opportunity with the possibility for multiple extensions.

The position is based on-site in Greater London, UK.

RESPONSIBILITIES:

• Lab Security Support
  – Oversee and maintain OT security controls in lab-based environments used for R&D operations.
• Network Security
  – Implement and manage network segmentation, access controls (user/vendor), and secure wireless communication.
• Firewall Policy Management
  – Own and deliver firewall policy; engage with firewall change processes and tools (e.g
  .
  Zscaler, Dynamic Edge Segmentation (DES)).
• Incident Management
  – Serve as the lead contact for OT-related incidents, ensuring rapid technical resolution.
• Device Management
  – Work closely with R&D and global teams to secure OT assets to internal standards.
• Vulnerability Management
  – Identify, assess, and prioritise vulnerabilities based on business risk.
• Patch Management
  – Coordinate with R&D lines and vendors to validate and deploy security updates for OT environments.
• Security Controls Deployment
  – Lead deployment of new OT security controls, including user training and awareness.
• Quality, risk and compliance
  – Ensure alignment with GxP, internal risk policies, and relevant life sciences regulations.

REQUIRED SKILLS:

• Lab experience in a life sciences organisation (e.g., biotech, pharma, clinical R&D).
• Proven background in technical/lab support – equipment, software, or lab infrastructure.
• Hands-on experience with firewalls, IDS/IPS, and OT/IT integrations.
• Strong understanding of network architecture and segmentation.
• Experience managing firewall policies and working with policy engines.
• Knowledge of OT security standards, patching, and incident response in technical settings.
• Strong grasp of compliance and cybersecurity in regulated industries.

QUALIFICATIONS:

• Certifications such as GICSP, CompTIA Security+, CISSP, ISA/IEC 62443.
• Experience working in pharmaceutical, clinical, or regulated R&D environments.
• Familiarity with cloud security standards and hybrid/cloud-first environments.