Control, Instrumentation & OT Technician

Uniper

Control, Instrumentation & OT Technician at Uniper responsible for cyber security and maintenance tasks. Supporting technology solutions in a modern and sustainable energy supply environment.

Posted 7/1/2026full-timeMiddlewich • 🇬🇧 United KingdomMid-LevelSenior💰 £53,000 - £65,000 per yearWebsite

Tech Stack

Tools & technologies

Cyber Security

About the role

Key responsibilities & impact

Support the Lead C & I 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.

Requirements

What you’ll need

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.
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.
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

Benefits

Comp & perks

Competitive salary
Personal development and Learning opportunities
Enhanced company pension – With up to 12% company contributions
26 days annual leave plus Bank Holidays
Electric vehicle charging at our sites
In house Occupational Health Services
Company funded Private Medical Insurance including free GP service
Performance related benefits
Access to a range of flexible benefits such as Share Incentive Plan, Dental, Critical Illness and Life Insurance, Cycle2Work, or buy and sell extra holiday
Future career opportunities (UK & International) with a strong focus on Diversity Equity and Inclusion

ATS Keywords

✓ Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools

Industrial Automation MaintenanceSensors And ActuatorsSignal Conditioning EquipmentPiping And Instrumentation Diagrams (P&IDs)Logic DiagramsLoop DrawingsCause And Effect ChartsFunctional SafetyDSEAR TopicsCyber Security Risk Mitigation

Certifications

Level 3 QualificationCOMPEX Modules 1-4Functional Safety Qualification