Manufacturing Security Lead

Role Overview

• Act as the authoritative OT / Manufacturing Security SME for Twinings OVO.
• Own manufacturing security architecture, principles and technical standards aligned to ABF policy and IEC 62443.
• Provide expert judgement on security risk, design decisions and trade‑offs in safety‑ and availability‑critical environments.
• Ensure clear lines of accountability for manufacturing security exist across central teams, sites and third parties.
• Own the ongoing OT security posture across all manufacturing sites.
• Develop and maintain asset inventories and security baselines for critical manufacturing systems.
• Drive factory‑specific security roadmaps addressing risk, technical debt and end‑of‑life technology.
• Own the OT vulnerability management lifecycle, governance and reporting.
• Ensure vulnerabilities identified via monitoring platforms, assessments and third parties are risk‑rated, tracked and owned.
• Act as the senior OT security lead during manufacturing‑related security incidents.
• Define, maintain and exercise OT incident response playbooks and recovery plans, including ransomware scenarios.
• Ensure threat detection and monitoring technologies are fully leveraged.
• Ensure appropriate segregation and segmentation of manufacturing environments from IT networks.
• Ensure secure remote access solutions are implemented without compromising security or safety.
• Define scope, priorities and sequencing for the Manufacturing Security transformation programme.
• Retain accountability for outcomes while leveraging assigned Project Management resources where appropriate. Ensure effective transition of delivered capabilities into BAU operation with clear ownership and support models.
• Build trusted relationships with manufacturing leadership, engineering teams and operational staff.

Requirements

• Strong hands‑on experience in OT / Manufacturing environments with practical understanding of industrial networks, segmentation and production constraints.
• Demonstrable expertise in OT / Manufacturing Security and real‑world application of IEC 62443 principles.
• Experience acting as a technical authority, shaping security outcomes rather than simply executing plans.
• Strong incident management leadership experience in availability‑critical environments.
• Pragmatic, risk‑based mindset with the ability to balance security, safety and production continuity.
• Strong communication skills, both verbal and written.
• Experience owning security outcomes within complex, federated and international organizations.
• Proven leadership experience, with the ability to prioritise activities and influence internal and external stakeholders to achieve results.
• Experience working alongside Project Managers while retaining technical and risk accountability.
• Relevant professional certifications such as CISSP, CISM, GICSP, PMP or MSP.
• Experience of delivery in the cyber security space and knowledge of security frameworks & standards (e.g. ISO 27001, NIST CSF, CIS, GDPR, SOC 2, IEC62443)

Tech Stack

• Cyber Security
• PMP

Benefits

• Yearly bonus based on personal contribution and financial performance
• Flexible working options
• 25 days holiday plus 8 bank holidays and the option to buy and sell holidays
• Onsite Gym and Wellbeing Centre
• Perkbox – employee discount scheme with discounts online, in high street stores, cinema, holidays, restaurants and many more
• Pension scheme with your contributions matched for up to 10% of your salary
• Cycle to work scheme
• SimplyHealth Cash plan
• Onsite Staff shop and online staff discounts
• Access to LinkedIn Learning
• Access to ABF Networking, connect, collaborate, and grow across the ABF Group.