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# Operational Technology Technician - Holford

- **Company:** Uniper
- **Location:** Byley, UK
- **Contract:** Permanent contract
- **Skills:** Cyber Security, Network Diagrams, Network Segmentation, Data Logging, ABB 800xa, Operational Systems
- **Published:** June 4, 2026
- **Apply:** https://uk.indeed.com/viewjob?jk=992b1329bc9f27e0

## About the Role

Do you have experience in Programmable logic controllers?, * Technical apprenticeship, including Level 3 Qualification or equivalent qualifications and experience in cyber security / control engineering / automation engineering

 * Proven C & I or Industrial automation maintenance experience.
 * Demonstratable experience and understanding of sensors, actuators, and signal conditioning equipment. Ability to read and interpret PLC logic in various languages would be beneficial but not essential.
 * Working knowledge of Distributed Control Systems, Process Control concepts/philosophies and OT security principles
 * Basic awareness of common OT cyber security controls (e.g. network segmentation, access control, patching, logging) and their application in industrial environments.
 * Ability to read and interpret a range of engineering drawings and documentation such as piping and instrumentation diagrams (P&IDs), panel schematics, logic diagrams, loop drawings & cause and effect charts.

Desirable:

 * Has a basic understanding of cyber security principles and standards (e.g. IEC 62443, ISO 2700x) and demonstrates a willingness to learn and develop further in this area.
 * An understanding of the health, safety and environmental aspects of the management of external service providers activities.
 * Experience of trouble shooting DCS / PLC systems ideally ABB 800xA
 * Understanding of Functional Safety & DSEAR topics.
 * COMPEX modules 1-4
 * Functional Safety Qualification

## Description

* Support the Lead OT Engineer with the delivery of the site Control and Instrumentation Maintenance and Engineering Strategy
 * Support the OT Security Engineer with the technical execution of Operational Technology (OT) maintenance for cyber security risk mitigation.
 * Investigate and resolve emergent issues for field instrument and control equipment.
 * Carry out routine OT cyber security maintenance activities under approved procedures, including patching support, antivirus updates, application control support, and upkeep of OT asset inventories, network diagrams, and records.
 * Prepare maintenance orders for on-site works
 * Delivery of packages of work within areas of competence.
 * Support operation and upkeep of OT security controls and infrastructure, carrying out maintenance activities and corrective actions arising from assessments, audits, or engineering decisions.
 * Provide technical assistance during OT cyber or OT-related incidents and fault investigations through information gathering, directed checks, and execution of corrective actions.


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